From 6eb9c5a5657d1fe77b55cc261450f3538d35a94d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 14:19:15 +0200 Subject: Adding upstream version 13.4. Signed-off-by: Daniel Baumann --- contrib/pgcrypto/.gitignore | 4 + contrib/pgcrypto/Makefile | 88 + contrib/pgcrypto/blf.c | 499 +++ contrib/pgcrypto/blf.h | 46 + contrib/pgcrypto/crypt-blowfish.c | 756 +++++ contrib/pgcrypto/crypt-des.c | 791 +++++ contrib/pgcrypto/crypt-gensalt.c | 187 ++ contrib/pgcrypto/crypt-md5.c | 169 + contrib/pgcrypto/expected/3des.out | 71 + contrib/pgcrypto/expected/blowfish.out | 175 ++ contrib/pgcrypto/expected/cast5.out | 88 + contrib/pgcrypto/expected/crypt-blowfish.out | 36 + contrib/pgcrypto/expected/crypt-des.out | 31 + contrib/pgcrypto/expected/crypt-md5.out | 27 + contrib/pgcrypto/expected/crypt-xdes.out | 51 + contrib/pgcrypto/expected/des.out | 63 + contrib/pgcrypto/expected/hmac-md5.out | 72 + contrib/pgcrypto/expected/hmac-sha1.out | 72 + contrib/pgcrypto/expected/init.out | 28 + contrib/pgcrypto/expected/md5.out | 45 + contrib/pgcrypto/expected/pgp-armor.out | 372 +++ contrib/pgcrypto/expected/pgp-compression.out | 80 + contrib/pgcrypto/expected/pgp-decrypt.out | 425 +++ contrib/pgcrypto/expected/pgp-encrypt.out | 210 ++ contrib/pgcrypto/expected/pgp-info.out | 79 + contrib/pgcrypto/expected/pgp-pubkey-decrypt.out | 656 ++++ contrib/pgcrypto/expected/pgp-pubkey-encrypt.out | 70 + contrib/pgcrypto/expected/pgp-zlib-DISABLED.out | 1 + contrib/pgcrypto/expected/rijndael.out | 126 + contrib/pgcrypto/expected/sha1.out | 45 + contrib/pgcrypto/expected/sha2.out | 139 + contrib/pgcrypto/imath.c | 3588 ++++++++++++++++++++++ contrib/pgcrypto/imath.h | 445 +++ contrib/pgcrypto/internal-sha2.c | 316 ++ contrib/pgcrypto/internal.c | 597 ++++ contrib/pgcrypto/mbuf.c | 562 ++++ contrib/pgcrypto/mbuf.h | 124 + contrib/pgcrypto/md5.c | 397 +++ contrib/pgcrypto/md5.h | 79 + contrib/pgcrypto/openssl.c | 817 +++++ contrib/pgcrypto/pgcrypto--1.0--1.1.sql | 9 + contrib/pgcrypto/pgcrypto--1.1--1.2.sql | 14 + contrib/pgcrypto/pgcrypto--1.2--1.3.sql | 41 + contrib/pgcrypto/pgcrypto--1.3.sql | 217 ++ contrib/pgcrypto/pgcrypto.c | 475 +++ contrib/pgcrypto/pgcrypto.control | 6 + contrib/pgcrypto/pgcrypto.h | 37 + contrib/pgcrypto/pgp-armor.c | 488 +++ contrib/pgcrypto/pgp-cfb.c | 264 ++ contrib/pgcrypto/pgp-compress.c | 348 +++ contrib/pgcrypto/pgp-decrypt.c | 1213 ++++++++ contrib/pgcrypto/pgp-encrypt.c | 705 +++++ contrib/pgcrypto/pgp-info.c | 235 ++ contrib/pgcrypto/pgp-mpi-internal.c | 304 ++ contrib/pgcrypto/pgp-mpi-openssl.c | 284 ++ contrib/pgcrypto/pgp-mpi.c | 142 + contrib/pgcrypto/pgp-pgsql.c | 1018 ++++++ contrib/pgcrypto/pgp-pubdec.c | 235 ++ contrib/pgcrypto/pgp-pubenc.c | 244 ++ contrib/pgcrypto/pgp-pubkey.c | 584 ++++ contrib/pgcrypto/pgp-s2k.c | 308 ++ contrib/pgcrypto/pgp.c | 371 +++ contrib/pgcrypto/pgp.h | 327 ++ contrib/pgcrypto/px-crypt.c | 164 + contrib/pgcrypto/px-crypt.h | 82 + contrib/pgcrypto/px-hmac.c | 177 ++ contrib/pgcrypto/px.c | 460 +++ contrib/pgcrypto/px.h | 239 ++ contrib/pgcrypto/rijndael.c | 677 ++++ contrib/pgcrypto/rijndael.h | 59 + contrib/pgcrypto/rijndael.tbl | 1138 +++++++ contrib/pgcrypto/sha1.c | 331 ++ contrib/pgcrypto/sha1.h | 75 + contrib/pgcrypto/sql/3des.sql | 31 + contrib/pgcrypto/sql/blowfish.sql | 92 + contrib/pgcrypto/sql/cast5.sql | 47 + contrib/pgcrypto/sql/crypt-blowfish.sql | 26 + contrib/pgcrypto/sql/crypt-des.sql | 21 + contrib/pgcrypto/sql/crypt-md5.sql | 17 + contrib/pgcrypto/sql/crypt-xdes.sql | 33 + contrib/pgcrypto/sql/des.sql | 29 + contrib/pgcrypto/sql/hmac-md5.sql | 44 + contrib/pgcrypto/sql/hmac-sha1.sql | 44 + contrib/pgcrypto/sql/init.sql | 18 + contrib/pgcrypto/sql/md5.sql | 11 + contrib/pgcrypto/sql/pgp-armor.sql | 216 ++ contrib/pgcrypto/sql/pgp-compression.sql | 51 + contrib/pgcrypto/sql/pgp-decrypt.sql | 315 ++ contrib/pgcrypto/sql/pgp-encrypt.sql | 106 + contrib/pgcrypto/sql/pgp-info.sql | 22 + contrib/pgcrypto/sql/pgp-pubkey-decrypt.sql | 647 ++++ contrib/pgcrypto/sql/pgp-pubkey-encrypt.sql | 50 + contrib/pgcrypto/sql/pgp-zlib-DISABLED.sql | 1 + contrib/pgcrypto/sql/rijndael.sql | 63 + contrib/pgcrypto/sql/sha1.sql | 11 + contrib/pgcrypto/sql/sha2.sql | 33 + 96 files changed, 25626 insertions(+) create mode 100644 contrib/pgcrypto/.gitignore create mode 100644 contrib/pgcrypto/Makefile create mode 100644 contrib/pgcrypto/blf.c create mode 100644 contrib/pgcrypto/blf.h create mode 100644 contrib/pgcrypto/crypt-blowfish.c create mode 100644 contrib/pgcrypto/crypt-des.c create mode 100644 contrib/pgcrypto/crypt-gensalt.c create mode 100644 contrib/pgcrypto/crypt-md5.c create mode 100644 contrib/pgcrypto/expected/3des.out create mode 100644 contrib/pgcrypto/expected/blowfish.out create mode 100644 contrib/pgcrypto/expected/cast5.out create mode 100644 contrib/pgcrypto/expected/crypt-blowfish.out create mode 100644 contrib/pgcrypto/expected/crypt-des.out create mode 100644 contrib/pgcrypto/expected/crypt-md5.out create mode 100644 contrib/pgcrypto/expected/crypt-xdes.out create mode 100644 contrib/pgcrypto/expected/des.out create mode 100644 contrib/pgcrypto/expected/hmac-md5.out create mode 100644 contrib/pgcrypto/expected/hmac-sha1.out create mode 100644 contrib/pgcrypto/expected/init.out create mode 100644 contrib/pgcrypto/expected/md5.out create mode 100644 contrib/pgcrypto/expected/pgp-armor.out create mode 100644 contrib/pgcrypto/expected/pgp-compression.out create mode 100644 contrib/pgcrypto/expected/pgp-decrypt.out create mode 100644 contrib/pgcrypto/expected/pgp-encrypt.out create mode 100644 contrib/pgcrypto/expected/pgp-info.out create mode 100644 contrib/pgcrypto/expected/pgp-pubkey-decrypt.out create mode 100644 contrib/pgcrypto/expected/pgp-pubkey-encrypt.out create mode 100644 contrib/pgcrypto/expected/pgp-zlib-DISABLED.out create mode 100644 contrib/pgcrypto/expected/rijndael.out create mode 100644 contrib/pgcrypto/expected/sha1.out create mode 100644 contrib/pgcrypto/expected/sha2.out create mode 100644 contrib/pgcrypto/imath.c create mode 100644 contrib/pgcrypto/imath.h create mode 100644 contrib/pgcrypto/internal-sha2.c create mode 100644 contrib/pgcrypto/internal.c create mode 100644 contrib/pgcrypto/mbuf.c create mode 100644 contrib/pgcrypto/mbuf.h create mode 100644 contrib/pgcrypto/md5.c create mode 100644 contrib/pgcrypto/md5.h create mode 100644 contrib/pgcrypto/openssl.c create mode 100644 contrib/pgcrypto/pgcrypto--1.0--1.1.sql create mode 100644 contrib/pgcrypto/pgcrypto--1.1--1.2.sql create mode 100644 contrib/pgcrypto/pgcrypto--1.2--1.3.sql create mode 100644 contrib/pgcrypto/pgcrypto--1.3.sql create mode 100644 contrib/pgcrypto/pgcrypto.c create mode 100644 contrib/pgcrypto/pgcrypto.control create mode 100644 contrib/pgcrypto/pgcrypto.h create mode 100644 contrib/pgcrypto/pgp-armor.c create mode 100644 contrib/pgcrypto/pgp-cfb.c create mode 100644 contrib/pgcrypto/pgp-compress.c create mode 100644 contrib/pgcrypto/pgp-decrypt.c create mode 100644 contrib/pgcrypto/pgp-encrypt.c create mode 100644 contrib/pgcrypto/pgp-info.c create mode 100644 contrib/pgcrypto/pgp-mpi-internal.c create mode 100644 contrib/pgcrypto/pgp-mpi-openssl.c create mode 100644 contrib/pgcrypto/pgp-mpi.c create mode 100644 contrib/pgcrypto/pgp-pgsql.c create mode 100644 contrib/pgcrypto/pgp-pubdec.c create mode 100644 contrib/pgcrypto/pgp-pubenc.c create mode 100644 contrib/pgcrypto/pgp-pubkey.c create mode 100644 contrib/pgcrypto/pgp-s2k.c create mode 100644 contrib/pgcrypto/pgp.c create mode 100644 contrib/pgcrypto/pgp.h create mode 100644 contrib/pgcrypto/px-crypt.c create mode 100644 contrib/pgcrypto/px-crypt.h create mode 100644 contrib/pgcrypto/px-hmac.c create mode 100644 contrib/pgcrypto/px.c create mode 100644 contrib/pgcrypto/px.h create mode 100644 contrib/pgcrypto/rijndael.c create mode 100644 contrib/pgcrypto/rijndael.h create mode 100644 contrib/pgcrypto/rijndael.tbl create mode 100644 contrib/pgcrypto/sha1.c create mode 100644 contrib/pgcrypto/sha1.h create mode 100644 contrib/pgcrypto/sql/3des.sql create mode 100644 contrib/pgcrypto/sql/blowfish.sql create mode 100644 contrib/pgcrypto/sql/cast5.sql create mode 100644 contrib/pgcrypto/sql/crypt-blowfish.sql create mode 100644 contrib/pgcrypto/sql/crypt-des.sql create mode 100644 contrib/pgcrypto/sql/crypt-md5.sql create mode 100644 contrib/pgcrypto/sql/crypt-xdes.sql create mode 100644 contrib/pgcrypto/sql/des.sql create mode 100644 contrib/pgcrypto/sql/hmac-md5.sql create mode 100644 contrib/pgcrypto/sql/hmac-sha1.sql create mode 100644 contrib/pgcrypto/sql/init.sql create mode 100644 contrib/pgcrypto/sql/md5.sql create mode 100644 contrib/pgcrypto/sql/pgp-armor.sql create mode 100644 contrib/pgcrypto/sql/pgp-compression.sql create mode 100644 contrib/pgcrypto/sql/pgp-decrypt.sql create mode 100644 contrib/pgcrypto/sql/pgp-encrypt.sql create mode 100644 contrib/pgcrypto/sql/pgp-info.sql create mode 100644 contrib/pgcrypto/sql/pgp-pubkey-decrypt.sql create mode 100644 contrib/pgcrypto/sql/pgp-pubkey-encrypt.sql create mode 100644 contrib/pgcrypto/sql/pgp-zlib-DISABLED.sql create mode 100644 contrib/pgcrypto/sql/rijndael.sql create mode 100644 contrib/pgcrypto/sql/sha1.sql create mode 100644 contrib/pgcrypto/sql/sha2.sql (limited to 'contrib/pgcrypto') diff --git a/contrib/pgcrypto/.gitignore b/contrib/pgcrypto/.gitignore new file mode 100644 index 0000000..5dcb3ff --- /dev/null +++ b/contrib/pgcrypto/.gitignore @@ -0,0 +1,4 @@ +# Generated subdirectories +/log/ +/results/ +/tmp_check/ diff --git a/contrib/pgcrypto/Makefile b/contrib/pgcrypto/Makefile new file mode 100644 index 0000000..61eabd2 --- /dev/null +++ b/contrib/pgcrypto/Makefile @@ -0,0 +1,88 @@ +# contrib/pgcrypto/Makefile + +INT_SRCS = md5.c sha1.c internal.c internal-sha2.c blf.c rijndael.c \ + pgp-mpi-internal.c imath.c +INT_TESTS = sha2 + +OSSL_SRCS = openssl.c pgp-mpi-openssl.c +OSSL_TESTS = sha2 des 3des cast5 + +ZLIB_TST = pgp-compression +ZLIB_OFF_TST = pgp-zlib-DISABLED + +CF_SRCS = $(if $(subst no,,$(with_openssl)), $(OSSL_SRCS), $(INT_SRCS)) +CF_TESTS = $(if $(subst no,,$(with_openssl)), $(OSSL_TESTS), $(INT_TESTS)) +CF_PGP_TESTS = $(if $(subst no,,$(with_zlib)), $(ZLIB_TST), $(ZLIB_OFF_TST)) + +SRCS = \ + $(CF_SRCS) \ + crypt-blowfish.c \ + crypt-des.c \ + crypt-gensalt.c \ + crypt-md5.c \ + mbuf.c \ + pgcrypto.c \ + pgp-armor.c \ + pgp-cfb.c \ + pgp-compress.c \ + pgp-decrypt.c \ + pgp-encrypt.c \ + pgp-info.c \ + pgp-mpi.c \ + pgp-pgsql.c \ + pgp-pubdec.c \ + pgp-pubenc.c \ + pgp-pubkey.c \ + pgp-s2k.c \ + pgp.c \ + px-crypt.c \ + px-hmac.c \ + px.c + +MODULE_big = pgcrypto +OBJS = \ + $(SRCS:.c=.o) \ + $(WIN32RES) + +EXTENSION = pgcrypto +DATA = pgcrypto--1.3.sql pgcrypto--1.2--1.3.sql pgcrypto--1.1--1.2.sql \ + pgcrypto--1.0--1.1.sql +PGFILEDESC = "pgcrypto - cryptographic functions" + +REGRESS = init md5 sha1 hmac-md5 hmac-sha1 blowfish rijndael \ + $(CF_TESTS) \ + crypt-des crypt-md5 crypt-blowfish crypt-xdes \ + pgp-armor pgp-decrypt pgp-encrypt $(CF_PGP_TESTS) \ + pgp-pubkey-decrypt pgp-pubkey-encrypt pgp-info + +EXTRA_CLEAN = gen-rtab + +ifdef USE_PGXS +PG_CONFIG = pg_config +PGXS := $(shell $(PG_CONFIG) --pgxs) +include $(PGXS) +else +subdir = contrib/pgcrypto +top_builddir = ../.. +include $(top_builddir)/src/Makefile.global +include $(top_srcdir)/contrib/contrib-global.mk +endif + +# Add libraries that pgcrypto depends (or might depend) on into the +# shared library link. (The order in which you list them here doesn't +# matter.) +SHLIB_LINK += $(filter -lcrypto -lz, $(LIBS)) +ifeq ($(PORTNAME), win32) +SHLIB_LINK += $(filter -leay32, $(LIBS)) +# those must be at the end +SHLIB_LINK += -lws2_32 +endif + +# Upstream uses a larger subset of C99. +imath.o: CFLAGS+=$(PERMIT_DECLARATION_AFTER_STATEMENT) + +rijndael.o: rijndael.tbl + +rijndael.tbl: + $(CC) $(CPPFLAGS) $(CFLAGS) -DPRINT_TABS rijndael.c -o gen-rtab + ./gen-rtab > rijndael.tbl diff --git a/contrib/pgcrypto/blf.c b/contrib/pgcrypto/blf.c new file mode 100644 index 0000000..f8a2c63 --- /dev/null +++ b/contrib/pgcrypto/blf.c @@ -0,0 +1,499 @@ +/* + * Butchered version of sshblowf.c from putty-0.59. + * + * contrib/pgcrypto/blf.c + */ + +/* + * PuTTY is copyright 1997-2007 Simon Tatham. + * + * Portions copyright Robert de Bath, Joris van Rantwijk, Delian + * Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas Barry, + * Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, Markus + * Kuhn, and CORE SDI S.A. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation files + * (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE + * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * Blowfish implementation for PuTTY. + * + * Coded from scratch from the algorithm description. + */ + +#include "postgres.h" +#include "blf.h" + +#define GET_32BIT_MSB_FIRST(p) ( \ + ((p)[0] << 24) | ((p)[1] << 16) | ((p)[2] << 8) | ((p)[3]) ) + +#define PUT_32BIT_MSB_FIRST(p, v) do { \ + (p)[0] = v >> 24; \ + (p)[1] = v >> 16; \ + (p)[2] = v >> 8; \ + (p)[3] = v; \ +} while (0) + +/* + * The Blowfish init data: hex digits of the fractional part of pi. + * (ie pi as a hex fraction is 3.243F6A8885A308D3...) + */ +static const uint32 parray[] = { + 0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, + 0x082EFA98, 0xEC4E6C89, 0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C, + 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917, 0x9216D5D9, 0x8979FB1B, +}; + +static const uint32 sbox0[] = { + 0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7, 0xB8E1AFED, 0x6A267E96, + 0xBA7C9045, 0xF12C7F99, 0x24A19947, 0xB3916CF7, 0x0801F2E2, 0x858EFC16, + 0x636920D8, 0x71574E69, 0xA458FEA3, 0xF4933D7E, 0x0D95748F, 0x728EB658, + 0x718BCD58, 0x82154AEE, 0x7B54A41D, 0xC25A59B5, 0x9C30D539, 0x2AF26013, + 0xC5D1B023, 0x286085F0, 0xCA417918, 0xB8DB38EF, 0x8E79DCB0, 0x603A180E, + 0x6C9E0E8B, 0xB01E8A3E, 0xD71577C1, 0xBD314B27, 0x78AF2FDA, 0x55605C60, + 0xE65525F3, 0xAA55AB94, 0x57489862, 0x63E81440, 0x55CA396A, 0x2AAB10B6, + 0xB4CC5C34, 0x1141E8CE, 0xA15486AF, 0x7C72E993, 0xB3EE1411, 0x636FBC2A, + 0x2BA9C55D, 0x741831F6, 0xCE5C3E16, 0x9B87931E, 0xAFD6BA33, 0x6C24CF5C, + 0x7A325381, 0x28958677, 0x3B8F4898, 0x6B4BB9AF, 0xC4BFE81B, 0x66282193, + 0x61D809CC, 0xFB21A991, 0x487CAC60, 0x5DEC8032, 0xEF845D5D, 0xE98575B1, + 0xDC262302, 0xEB651B88, 0x23893E81, 0xD396ACC5, 0x0F6D6FF3, 0x83F44239, + 0x2E0B4482, 0xA4842004, 0x69C8F04A, 0x9E1F9B5E, 0x21C66842, 0xF6E96C9A, + 0x670C9C61, 0xABD388F0, 0x6A51A0D2, 0xD8542F68, 0x960FA728, 0xAB5133A3, + 0x6EEF0B6C, 0x137A3BE4, 0xBA3BF050, 0x7EFB2A98, 0xA1F1651D, 0x39AF0176, + 0x66CA593E, 0x82430E88, 0x8CEE8619, 0x456F9FB4, 0x7D84A5C3, 0x3B8B5EBE, + 0xE06F75D8, 0x85C12073, 0x401A449F, 0x56C16AA6, 0x4ED3AA62, 0x363F7706, + 0x1BFEDF72, 0x429B023D, 0x37D0D724, 0xD00A1248, 0xDB0FEAD3, 0x49F1C09B, + 0x075372C9, 0x80991B7B, 0x25D479D8, 0xF6E8DEF7, 0xE3FE501A, 0xB6794C3B, + 0x976CE0BD, 0x04C006BA, 0xC1A94FB6, 0x409F60C4, 0x5E5C9EC2, 0x196A2463, + 0x68FB6FAF, 0x3E6C53B5, 0x1339B2EB, 0x3B52EC6F, 0x6DFC511F, 0x9B30952C, + 0xCC814544, 0xAF5EBD09, 0xBEE3D004, 0xDE334AFD, 0x660F2807, 0x192E4BB3, + 0xC0CBA857, 0x45C8740F, 0xD20B5F39, 0xB9D3FBDB, 0x5579C0BD, 0x1A60320A, + 0xD6A100C6, 0x402C7279, 0x679F25FE, 0xFB1FA3CC, 0x8EA5E9F8, 0xDB3222F8, + 0x3C7516DF, 0xFD616B15, 0x2F501EC8, 0xAD0552AB, 0x323DB5FA, 0xFD238760, + 0x53317B48, 0x3E00DF82, 0x9E5C57BB, 0xCA6F8CA0, 0x1A87562E, 0xDF1769DB, + 0xD542A8F6, 0x287EFFC3, 0xAC6732C6, 0x8C4F5573, 0x695B27B0, 0xBBCA58C8, + 0xE1FFA35D, 0xB8F011A0, 0x10FA3D98, 0xFD2183B8, 0x4AFCB56C, 0x2DD1D35B, + 0x9A53E479, 0xB6F84565, 0xD28E49BC, 0x4BFB9790, 0xE1DDF2DA, 0xA4CB7E33, + 0x62FB1341, 0xCEE4C6E8, 0xEF20CADA, 0x36774C01, 0xD07E9EFE, 0x2BF11FB4, + 0x95DBDA4D, 0xAE909198, 0xEAAD8E71, 0x6B93D5A0, 0xD08ED1D0, 0xAFC725E0, + 0x8E3C5B2F, 0x8E7594B7, 0x8FF6E2FB, 0xF2122B64, 0x8888B812, 0x900DF01C, + 0x4FAD5EA0, 0x688FC31C, 0xD1CFF191, 0xB3A8C1AD, 0x2F2F2218, 0xBE0E1777, + 0xEA752DFE, 0x8B021FA1, 0xE5A0CC0F, 0xB56F74E8, 0x18ACF3D6, 0xCE89E299, + 0xB4A84FE0, 0xFD13E0B7, 0x7CC43B81, 0xD2ADA8D9, 0x165FA266, 0x80957705, + 0x93CC7314, 0x211A1477, 0xE6AD2065, 0x77B5FA86, 0xC75442F5, 0xFB9D35CF, + 0xEBCDAF0C, 0x7B3E89A0, 0xD6411BD3, 0xAE1E7E49, 0x00250E2D, 0x2071B35E, + 0x226800BB, 0x57B8E0AF, 0x2464369B, 0xF009B91E, 0x5563911D, 0x59DFA6AA, + 0x78C14389, 0xD95A537F, 0x207D5BA2, 0x02E5B9C5, 0x83260376, 0x6295CFA9, + 0x11C81968, 0x4E734A41, 0xB3472DCA, 0x7B14A94A, 0x1B510052, 0x9A532915, + 0xD60F573F, 0xBC9BC6E4, 0x2B60A476, 0x81E67400, 0x08BA6FB5, 0x571BE91F, + 0xF296EC6B, 0x2A0DD915, 0xB6636521, 0xE7B9F9B6, 0xFF34052E, 0xC5855664, + 0x53B02D5D, 0xA99F8FA1, 0x08BA4799, 0x6E85076A, +}; + +static const uint32 sbox1[] = { + 0x4B7A70E9, 0xB5B32944, 0xDB75092E, 0xC4192623, 0xAD6EA6B0, 0x49A7DF7D, + 0x9CEE60B8, 0x8FEDB266, 0xECAA8C71, 0x699A17FF, 0x5664526C, 0xC2B19EE1, + 0x193602A5, 0x75094C29, 0xA0591340, 0xE4183A3E, 0x3F54989A, 0x5B429D65, + 0x6B8FE4D6, 0x99F73FD6, 0xA1D29C07, 0xEFE830F5, 0x4D2D38E6, 0xF0255DC1, + 0x4CDD2086, 0x8470EB26, 0x6382E9C6, 0x021ECC5E, 0x09686B3F, 0x3EBAEFC9, + 0x3C971814, 0x6B6A70A1, 0x687F3584, 0x52A0E286, 0xB79C5305, 0xAA500737, + 0x3E07841C, 0x7FDEAE5C, 0x8E7D44EC, 0x5716F2B8, 0xB03ADA37, 0xF0500C0D, + 0xF01C1F04, 0x0200B3FF, 0xAE0CF51A, 0x3CB574B2, 0x25837A58, 0xDC0921BD, + 0xD19113F9, 0x7CA92FF6, 0x94324773, 0x22F54701, 0x3AE5E581, 0x37C2DADC, + 0xC8B57634, 0x9AF3DDA7, 0xA9446146, 0x0FD0030E, 0xECC8C73E, 0xA4751E41, + 0xE238CD99, 0x3BEA0E2F, 0x3280BBA1, 0x183EB331, 0x4E548B38, 0x4F6DB908, + 0x6F420D03, 0xF60A04BF, 0x2CB81290, 0x24977C79, 0x5679B072, 0xBCAF89AF, + 0xDE9A771F, 0xD9930810, 0xB38BAE12, 0xDCCF3F2E, 0x5512721F, 0x2E6B7124, + 0x501ADDE6, 0x9F84CD87, 0x7A584718, 0x7408DA17, 0xBC9F9ABC, 0xE94B7D8C, + 0xEC7AEC3A, 0xDB851DFA, 0x63094366, 0xC464C3D2, 0xEF1C1847, 0x3215D908, + 0xDD433B37, 0x24C2BA16, 0x12A14D43, 0x2A65C451, 0x50940002, 0x133AE4DD, + 0x71DFF89E, 0x10314E55, 0x81AC77D6, 0x5F11199B, 0x043556F1, 0xD7A3C76B, + 0x3C11183B, 0x5924A509, 0xF28FE6ED, 0x97F1FBFA, 0x9EBABF2C, 0x1E153C6E, + 0x86E34570, 0xEAE96FB1, 0x860E5E0A, 0x5A3E2AB3, 0x771FE71C, 0x4E3D06FA, + 0x2965DCB9, 0x99E71D0F, 0x803E89D6, 0x5266C825, 0x2E4CC978, 0x9C10B36A, + 0xC6150EBA, 0x94E2EA78, 0xA5FC3C53, 0x1E0A2DF4, 0xF2F74EA7, 0x361D2B3D, + 0x1939260F, 0x19C27960, 0x5223A708, 0xF71312B6, 0xEBADFE6E, 0xEAC31F66, + 0xE3BC4595, 0xA67BC883, 0xB17F37D1, 0x018CFF28, 0xC332DDEF, 0xBE6C5AA5, + 0x65582185, 0x68AB9802, 0xEECEA50F, 0xDB2F953B, 0x2AEF7DAD, 0x5B6E2F84, + 0x1521B628, 0x29076170, 0xECDD4775, 0x619F1510, 0x13CCA830, 0xEB61BD96, + 0x0334FE1E, 0xAA0363CF, 0xB5735C90, 0x4C70A239, 0xD59E9E0B, 0xCBAADE14, + 0xEECC86BC, 0x60622CA7, 0x9CAB5CAB, 0xB2F3846E, 0x648B1EAF, 0x19BDF0CA, + 0xA02369B9, 0x655ABB50, 0x40685A32, 0x3C2AB4B3, 0x319EE9D5, 0xC021B8F7, + 0x9B540B19, 0x875FA099, 0x95F7997E, 0x623D7DA8, 0xF837889A, 0x97E32D77, + 0x11ED935F, 0x16681281, 0x0E358829, 0xC7E61FD6, 0x96DEDFA1, 0x7858BA99, + 0x57F584A5, 0x1B227263, 0x9B83C3FF, 0x1AC24696, 0xCDB30AEB, 0x532E3054, + 0x8FD948E4, 0x6DBC3128, 0x58EBF2EF, 0x34C6FFEA, 0xFE28ED61, 0xEE7C3C73, + 0x5D4A14D9, 0xE864B7E3, 0x42105D14, 0x203E13E0, 0x45EEE2B6, 0xA3AAABEA, + 0xDB6C4F15, 0xFACB4FD0, 0xC742F442, 0xEF6ABBB5, 0x654F3B1D, 0x41CD2105, + 0xD81E799E, 0x86854DC7, 0xE44B476A, 0x3D816250, 0xCF62A1F2, 0x5B8D2646, + 0xFC8883A0, 0xC1C7B6A3, 0x7F1524C3, 0x69CB7492, 0x47848A0B, 0x5692B285, + 0x095BBF00, 0xAD19489D, 0x1462B174, 0x23820E00, 0x58428D2A, 0x0C55F5EA, + 0x1DADF43E, 0x233F7061, 0x3372F092, 0x8D937E41, 0xD65FECF1, 0x6C223BDB, + 0x7CDE3759, 0xCBEE7460, 0x4085F2A7, 0xCE77326E, 0xA6078084, 0x19F8509E, + 0xE8EFD855, 0x61D99735, 0xA969A7AA, 0xC50C06C2, 0x5A04ABFC, 0x800BCADC, + 0x9E447A2E, 0xC3453484, 0xFDD56705, 0x0E1E9EC9, 0xDB73DBD3, 0x105588CD, + 0x675FDA79, 0xE3674340, 0xC5C43465, 0x713E38D8, 0x3D28F89E, 0xF16DFF20, + 0x153E21E7, 0x8FB03D4A, 0xE6E39F2B, 0xDB83ADF7, +}; + +static const uint32 sbox2[] = { + 0xE93D5A68, 0x948140F7, 0xF64C261C, 0x94692934, 0x411520F7, 0x7602D4F7, + 0xBCF46B2E, 0xD4A20068, 0xD4082471, 0x3320F46A, 0x43B7D4B7, 0x500061AF, + 0x1E39F62E, 0x97244546, 0x14214F74, 0xBF8B8840, 0x4D95FC1D, 0x96B591AF, + 0x70F4DDD3, 0x66A02F45, 0xBFBC09EC, 0x03BD9785, 0x7FAC6DD0, 0x31CB8504, + 0x96EB27B3, 0x55FD3941, 0xDA2547E6, 0xABCA0A9A, 0x28507825, 0x530429F4, + 0x0A2C86DA, 0xE9B66DFB, 0x68DC1462, 0xD7486900, 0x680EC0A4, 0x27A18DEE, + 0x4F3FFEA2, 0xE887AD8C, 0xB58CE006, 0x7AF4D6B6, 0xAACE1E7C, 0xD3375FEC, + 0xCE78A399, 0x406B2A42, 0x20FE9E35, 0xD9F385B9, 0xEE39D7AB, 0x3B124E8B, + 0x1DC9FAF7, 0x4B6D1856, 0x26A36631, 0xEAE397B2, 0x3A6EFA74, 0xDD5B4332, + 0x6841E7F7, 0xCA7820FB, 0xFB0AF54E, 0xD8FEB397, 0x454056AC, 0xBA489527, + 0x55533A3A, 0x20838D87, 0xFE6BA9B7, 0xD096954B, 0x55A867BC, 0xA1159A58, + 0xCCA92963, 0x99E1DB33, 0xA62A4A56, 0x3F3125F9, 0x5EF47E1C, 0x9029317C, + 0xFDF8E802, 0x04272F70, 0x80BB155C, 0x05282CE3, 0x95C11548, 0xE4C66D22, + 0x48C1133F, 0xC70F86DC, 0x07F9C9EE, 0x41041F0F, 0x404779A4, 0x5D886E17, + 0x325F51EB, 0xD59BC0D1, 0xF2BCC18F, 0x41113564, 0x257B7834, 0x602A9C60, + 0xDFF8E8A3, 0x1F636C1B, 0x0E12B4C2, 0x02E1329E, 0xAF664FD1, 0xCAD18115, + 0x6B2395E0, 0x333E92E1, 0x3B240B62, 0xEEBEB922, 0x85B2A20E, 0xE6BA0D99, + 0xDE720C8C, 0x2DA2F728, 0xD0127845, 0x95B794FD, 0x647D0862, 0xE7CCF5F0, + 0x5449A36F, 0x877D48FA, 0xC39DFD27, 0xF33E8D1E, 0x0A476341, 0x992EFF74, + 0x3A6F6EAB, 0xF4F8FD37, 0xA812DC60, 0xA1EBDDF8, 0x991BE14C, 0xDB6E6B0D, + 0xC67B5510, 0x6D672C37, 0x2765D43B, 0xDCD0E804, 0xF1290DC7, 0xCC00FFA3, + 0xB5390F92, 0x690FED0B, 0x667B9FFB, 0xCEDB7D9C, 0xA091CF0B, 0xD9155EA3, + 0xBB132F88, 0x515BAD24, 0x7B9479BF, 0x763BD6EB, 0x37392EB3, 0xCC115979, + 0x8026E297, 0xF42E312D, 0x6842ADA7, 0xC66A2B3B, 0x12754CCC, 0x782EF11C, + 0x6A124237, 0xB79251E7, 0x06A1BBE6, 0x4BFB6350, 0x1A6B1018, 0x11CAEDFA, + 0x3D25BDD8, 0xE2E1C3C9, 0x44421659, 0x0A121386, 0xD90CEC6E, 0xD5ABEA2A, + 0x64AF674E, 0xDA86A85F, 0xBEBFE988, 0x64E4C3FE, 0x9DBC8057, 0xF0F7C086, + 0x60787BF8, 0x6003604D, 0xD1FD8346, 0xF6381FB0, 0x7745AE04, 0xD736FCCC, + 0x83426B33, 0xF01EAB71, 0xB0804187, 0x3C005E5F, 0x77A057BE, 0xBDE8AE24, + 0x55464299, 0xBF582E61, 0x4E58F48F, 0xF2DDFDA2, 0xF474EF38, 0x8789BDC2, + 0x5366F9C3, 0xC8B38E74, 0xB475F255, 0x46FCD9B9, 0x7AEB2661, 0x8B1DDF84, + 0x846A0E79, 0x915F95E2, 0x466E598E, 0x20B45770, 0x8CD55591, 0xC902DE4C, + 0xB90BACE1, 0xBB8205D0, 0x11A86248, 0x7574A99E, 0xB77F19B6, 0xE0A9DC09, + 0x662D09A1, 0xC4324633, 0xE85A1F02, 0x09F0BE8C, 0x4A99A025, 0x1D6EFE10, + 0x1AB93D1D, 0x0BA5A4DF, 0xA186F20F, 0x2868F169, 0xDCB7DA83, 0x573906FE, + 0xA1E2CE9B, 0x4FCD7F52, 0x50115E01, 0xA70683FA, 0xA002B5C4, 0x0DE6D027, + 0x9AF88C27, 0x773F8641, 0xC3604C06, 0x61A806B5, 0xF0177A28, 0xC0F586E0, + 0x006058AA, 0x30DC7D62, 0x11E69ED7, 0x2338EA63, 0x53C2DD94, 0xC2C21634, + 0xBBCBEE56, 0x90BCB6DE, 0xEBFC7DA1, 0xCE591D76, 0x6F05E409, 0x4B7C0188, + 0x39720A3D, 0x7C927C24, 0x86E3725F, 0x724D9DB9, 0x1AC15BB4, 0xD39EB8FC, + 0xED545578, 0x08FCA5B5, 0xD83D7CD3, 0x4DAD0FC4, 0x1E50EF5E, 0xB161E6F8, + 0xA28514D9, 0x6C51133C, 0x6FD5C7E7, 0x56E14EC4, 0x362ABFCE, 0xDDC6C837, + 0xD79A3234, 0x92638212, 0x670EFA8E, 0x406000E0, +}; + +static const uint32 sbox3[] = { + 0x3A39CE37, 0xD3FAF5CF, 0xABC27737, 0x5AC52D1B, 0x5CB0679E, 0x4FA33742, + 0xD3822740, 0x99BC9BBE, 0xD5118E9D, 0xBF0F7315, 0xD62D1C7E, 0xC700C47B, + 0xB78C1B6B, 0x21A19045, 0xB26EB1BE, 0x6A366EB4, 0x5748AB2F, 0xBC946E79, + 0xC6A376D2, 0x6549C2C8, 0x530FF8EE, 0x468DDE7D, 0xD5730A1D, 0x4CD04DC6, + 0x2939BBDB, 0xA9BA4650, 0xAC9526E8, 0xBE5EE304, 0xA1FAD5F0, 0x6A2D519A, + 0x63EF8CE2, 0x9A86EE22, 0xC089C2B8, 0x43242EF6, 0xA51E03AA, 0x9CF2D0A4, + 0x83C061BA, 0x9BE96A4D, 0x8FE51550, 0xBA645BD6, 0x2826A2F9, 0xA73A3AE1, + 0x4BA99586, 0xEF5562E9, 0xC72FEFD3, 0xF752F7DA, 0x3F046F69, 0x77FA0A59, + 0x80E4A915, 0x87B08601, 0x9B09E6AD, 0x3B3EE593, 0xE990FD5A, 0x9E34D797, + 0x2CF0B7D9, 0x022B8B51, 0x96D5AC3A, 0x017DA67D, 0xD1CF3ED6, 0x7C7D2D28, + 0x1F9F25CF, 0xADF2B89B, 0x5AD6B472, 0x5A88F54C, 0xE029AC71, 0xE019A5E6, + 0x47B0ACFD, 0xED93FA9B, 0xE8D3C48D, 0x283B57CC, 0xF8D56629, 0x79132E28, + 0x785F0191, 0xED756055, 0xF7960E44, 0xE3D35E8C, 0x15056DD4, 0x88F46DBA, + 0x03A16125, 0x0564F0BD, 0xC3EB9E15, 0x3C9057A2, 0x97271AEC, 0xA93A072A, + 0x1B3F6D9B, 0x1E6321F5, 0xF59C66FB, 0x26DCF319, 0x7533D928, 0xB155FDF5, + 0x03563482, 0x8ABA3CBB, 0x28517711, 0xC20AD9F8, 0xABCC5167, 0xCCAD925F, + 0x4DE81751, 0x3830DC8E, 0x379D5862, 0x9320F991, 0xEA7A90C2, 0xFB3E7BCE, + 0x5121CE64, 0x774FBE32, 0xA8B6E37E, 0xC3293D46, 0x48DE5369, 0x6413E680, + 0xA2AE0810, 0xDD6DB224, 0x69852DFD, 0x09072166, 0xB39A460A, 0x6445C0DD, + 0x586CDECF, 0x1C20C8AE, 0x5BBEF7DD, 0x1B588D40, 0xCCD2017F, 0x6BB4E3BB, + 0xDDA26A7E, 0x3A59FF45, 0x3E350A44, 0xBCB4CDD5, 0x72EACEA8, 0xFA6484BB, + 0x8D6612AE, 0xBF3C6F47, 0xD29BE463, 0x542F5D9E, 0xAEC2771B, 0xF64E6370, + 0x740E0D8D, 0xE75B1357, 0xF8721671, 0xAF537D5D, 0x4040CB08, 0x4EB4E2CC, + 0x34D2466A, 0x0115AF84, 0xE1B00428, 0x95983A1D, 0x06B89FB4, 0xCE6EA048, + 0x6F3F3B82, 0x3520AB82, 0x011A1D4B, 0x277227F8, 0x611560B1, 0xE7933FDC, + 0xBB3A792B, 0x344525BD, 0xA08839E1, 0x51CE794B, 0x2F32C9B7, 0xA01FBAC9, + 0xE01CC87E, 0xBCC7D1F6, 0xCF0111C3, 0xA1E8AAC7, 0x1A908749, 0xD44FBD9A, + 0xD0DADECB, 0xD50ADA38, 0x0339C32A, 0xC6913667, 0x8DF9317C, 0xE0B12B4F, + 0xF79E59B7, 0x43F5BB3A, 0xF2D519FF, 0x27D9459C, 0xBF97222C, 0x15E6FC2A, + 0x0F91FC71, 0x9B941525, 0xFAE59361, 0xCEB69CEB, 0xC2A86459, 0x12BAA8D1, + 0xB6C1075E, 0xE3056A0C, 0x10D25065, 0xCB03A442, 0xE0EC6E0E, 0x1698DB3B, + 0x4C98A0BE, 0x3278E964, 0x9F1F9532, 0xE0D392DF, 0xD3A0342B, 0x8971F21E, + 0x1B0A7441, 0x4BA3348C, 0xC5BE7120, 0xC37632D8, 0xDF359F8D, 0x9B992F2E, + 0xE60B6F47, 0x0FE3F11D, 0xE54CDA54, 0x1EDAD891, 0xCE6279CF, 0xCD3E7E6F, + 0x1618B166, 0xFD2C1D05, 0x848FD2C5, 0xF6FB2299, 0xF523F357, 0xA6327623, + 0x93A83531, 0x56CCCD02, 0xACF08162, 0x5A75EBB5, 0x6E163697, 0x88D273CC, + 0xDE966292, 0x81B949D0, 0x4C50901B, 0x71C65614, 0xE6C6C7BD, 0x327A140A, + 0x45E1D006, 0xC3F27B9A, 0xC9AA53FD, 0x62A80F00, 0xBB25BFE2, 0x35BDD2F6, + 0x71126905, 0xB2040222, 0xB6CBCF7C, 0xCD769C2B, 0x53113EC0, 0x1640E3D3, + 0x38ABBD60, 0x2547ADF0, 0xBA38209C, 0xF746CE76, 0x77AFA1C5, 0x20756060, + 0x85CBFE4E, 0x8AE88DD8, 0x7AAAF9B0, 0x4CF9AA7E, 0x1948C25C, 0x02FB8A8C, + 0x01C36AE4, 0xD6EBE1F9, 0x90D4F869, 0xA65CDEA0, 0x3F09252D, 0xC208E69F, + 0xB74E6132, 0xCE77E25B, 0x578FDFE3, 0x3AC372E6, +}; + +#define Fprime(a,b,c,d) ( ( (S0[a] + S1[b]) ^ S2[c] ) + S3[d] ) +#define F(x) Fprime( ((x>>24)&0xFF), ((x>>16)&0xFF), ((x>>8)&0xFF), (x&0xFF) ) +#define ROUND(n) ( xL ^= P[n], t = xL, xL = F(xL) ^ xR, xR = t ) + +static void +blowfish_encrypt(uint32 xL, uint32 xR, uint32 *output, + BlowfishContext *ctx) +{ + uint32 *S0 = ctx->S0; + uint32 *S1 = ctx->S1; + uint32 *S2 = ctx->S2; + uint32 *S3 = ctx->S3; + uint32 *P = ctx->P; + uint32 t; + + ROUND(0); + ROUND(1); + ROUND(2); + ROUND(3); + ROUND(4); + ROUND(5); + ROUND(6); + ROUND(7); + ROUND(8); + ROUND(9); + ROUND(10); + ROUND(11); + ROUND(12); + ROUND(13); + ROUND(14); + ROUND(15); + xL ^= P[16]; + xR ^= P[17]; + + output[0] = xR; + output[1] = xL; +} + +static void +blowfish_decrypt(uint32 xL, uint32 xR, uint32 *output, + BlowfishContext *ctx) +{ + uint32 *S0 = ctx->S0; + uint32 *S1 = ctx->S1; + uint32 *S2 = ctx->S2; + uint32 *S3 = ctx->S3; + uint32 *P = ctx->P; + uint32 t; + + ROUND(17); + ROUND(16); + ROUND(15); + ROUND(14); + ROUND(13); + ROUND(12); + ROUND(11); + ROUND(10); + ROUND(9); + ROUND(8); + ROUND(7); + ROUND(6); + ROUND(5); + ROUND(4); + ROUND(3); + ROUND(2); + xL ^= P[1]; + xR ^= P[0]; + + output[0] = xR; + output[1] = xL; +} + +void +blowfish_encrypt_cbc(uint8 *blk, int len, BlowfishContext *ctx) +{ + uint32 xL, + xR, + out[2], + iv0, + iv1; + + Assert((len & 7) == 0); + + iv0 = ctx->iv0; + iv1 = ctx->iv1; + + while (len > 0) + { + xL = GET_32BIT_MSB_FIRST(blk); + xR = GET_32BIT_MSB_FIRST(blk + 4); + iv0 ^= xL; + iv1 ^= xR; + blowfish_encrypt(iv0, iv1, out, ctx); + iv0 = out[0]; + iv1 = out[1]; + PUT_32BIT_MSB_FIRST(blk, iv0); + PUT_32BIT_MSB_FIRST(blk + 4, iv1); + blk += 8; + len -= 8; + } + + ctx->iv0 = iv0; + ctx->iv1 = iv1; +} + +void +blowfish_decrypt_cbc(uint8 *blk, int len, BlowfishContext *ctx) +{ + uint32 xL, + xR, + out[2], + iv0, + iv1; + + Assert((len & 7) == 0); + + iv0 = ctx->iv0; + iv1 = ctx->iv1; + + while (len > 0) + { + xL = GET_32BIT_MSB_FIRST(blk); + xR = GET_32BIT_MSB_FIRST(blk + 4); + blowfish_decrypt(xL, xR, out, ctx); + iv0 ^= out[0]; + iv1 ^= out[1]; + PUT_32BIT_MSB_FIRST(blk, iv0); + PUT_32BIT_MSB_FIRST(blk + 4, iv1); + iv0 = xL; + iv1 = xR; + blk += 8; + len -= 8; + } + + ctx->iv0 = iv0; + ctx->iv1 = iv1; +} + +void +blowfish_encrypt_ecb(uint8 *blk, int len, BlowfishContext *ctx) +{ + uint32 xL, + xR, + out[2]; + + Assert((len & 7) == 0); + + while (len > 0) + { + xL = GET_32BIT_MSB_FIRST(blk); + xR = GET_32BIT_MSB_FIRST(blk + 4); + blowfish_encrypt(xL, xR, out, ctx); + PUT_32BIT_MSB_FIRST(blk, out[0]); + PUT_32BIT_MSB_FIRST(blk + 4, out[1]); + blk += 8; + len -= 8; + } +} + +void +blowfish_decrypt_ecb(uint8 *blk, int len, BlowfishContext *ctx) +{ + uint32 xL, + xR, + out[2]; + + Assert((len & 7) == 0); + + while (len > 0) + { + xL = GET_32BIT_MSB_FIRST(blk); + xR = GET_32BIT_MSB_FIRST(blk + 4); + blowfish_decrypt(xL, xR, out, ctx); + PUT_32BIT_MSB_FIRST(blk, out[0]); + PUT_32BIT_MSB_FIRST(blk + 4, out[1]); + blk += 8; + len -= 8; + } +} + +void +blowfish_setkey(BlowfishContext *ctx, + const uint8 *key, short keybytes) +{ + uint32 *S0 = ctx->S0; + uint32 *S1 = ctx->S1; + uint32 *S2 = ctx->S2; + uint32 *S3 = ctx->S3; + uint32 *P = ctx->P; + uint32 str[2]; + int i; + + Assert(keybytes > 0 && keybytes <= (448 / 8)); + + for (i = 0; i < 18; i++) + { + P[i] = parray[i]; + P[i] ^= ((uint32) key[(i * 4 + 0) % keybytes]) << 24; + P[i] ^= ((uint32) key[(i * 4 + 1) % keybytes]) << 16; + P[i] ^= ((uint32) key[(i * 4 + 2) % keybytes]) << 8; + P[i] ^= ((uint32) key[(i * 4 + 3) % keybytes]); + } + + for (i = 0; i < 256; i++) + { + S0[i] = sbox0[i]; + S1[i] = sbox1[i]; + S2[i] = sbox2[i]; + S3[i] = sbox3[i]; + } + + str[0] = str[1] = 0; + + for (i = 0; i < 18; i += 2) + { + blowfish_encrypt(str[0], str[1], str, ctx); + P[i] = str[0]; + P[i + 1] = str[1]; + } + + for (i = 0; i < 256; i += 2) + { + blowfish_encrypt(str[0], str[1], str, ctx); + S0[i] = str[0]; + S0[i + 1] = str[1]; + } + for (i = 0; i < 256; i += 2) + { + blowfish_encrypt(str[0], str[1], str, ctx); + S1[i] = str[0]; + S1[i + 1] = str[1]; + } + for (i = 0; i < 256; i += 2) + { + blowfish_encrypt(str[0], str[1], str, ctx); + S2[i] = str[0]; + S2[i + 1] = str[1]; + } + for (i = 0; i < 256; i += 2) + { + blowfish_encrypt(str[0], str[1], str, ctx); + S3[i] = str[0]; + S3[i + 1] = str[1]; + } +} + +void +blowfish_setiv(BlowfishContext *ctx, const uint8 *iv) +{ + ctx->iv0 = GET_32BIT_MSB_FIRST(iv); + ctx->iv1 = GET_32BIT_MSB_FIRST(iv + 4); +} diff --git a/contrib/pgcrypto/blf.h b/contrib/pgcrypto/blf.h new file mode 100644 index 0000000..84aba37 --- /dev/null +++ b/contrib/pgcrypto/blf.h @@ -0,0 +1,46 @@ +/* contrib/pgcrypto/blf.h */ +/* + * PuTTY is copyright 1997-2007 Simon Tatham. + * + * Portions copyright Robert de Bath, Joris van Rantwijk, Delian + * Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas Barry, + * Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, Markus + * Kuhn, and CORE SDI S.A. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation files + * (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE + * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +typedef struct +{ + uint32 S0[256], + S1[256], + S2[256], + S3[256], + P[18]; + uint32 iv0, + iv1; /* for CBC mode */ +} BlowfishContext; + +void blowfish_setkey(BlowfishContext *ctx, const uint8 *key, short keybytes); +void blowfish_setiv(BlowfishContext *ctx, const uint8 *iv); +void blowfish_encrypt_cbc(uint8 *blk, int len, BlowfishContext *ctx); +void blowfish_decrypt_cbc(uint8 *blk, int len, BlowfishContext *ctx); +void blowfish_encrypt_ecb(uint8 *blk, int len, BlowfishContext *ctx); +void blowfish_decrypt_ecb(uint8 *blk, int len, BlowfishContext *ctx); diff --git a/contrib/pgcrypto/crypt-blowfish.c b/contrib/pgcrypto/crypt-blowfish.c new file mode 100644 index 0000000..a663852 --- /dev/null +++ b/contrib/pgcrypto/crypt-blowfish.c @@ -0,0 +1,756 @@ +/* + * contrib/pgcrypto/crypt-blowfish.c + * + * This code comes from John the Ripper password cracker, with reentrant + * and crypt(3) interfaces added, but optimizations specific to password + * cracking removed. + * + * Written by Solar Designer in 1998-2002 and + * placed in the public domain. + * + * There's absolutely no warranty. + * + * It is my intent that you should be able to use this on your system, + * as a part of a software package, or anywhere else to improve security, + * ensure compatibility, or for any other purpose. I would appreciate + * it if you give credit where it is due and keep your modifications in + * the public domain as well, but I don't require that in order to let + * you place this code and any modifications you make under a license + * of your choice. + * + * This implementation is compatible with OpenBSD bcrypt.c (version 2a) + * by Niels Provos , and uses some of his + * ideas. The password hashing algorithm was designed by David Mazieres + * . + * + * There's a paper on the algorithm that explains its design decisions: + * + * http://www.usenix.org/events/usenix99/provos.html + * + * Some of the tricks in BF_ROUND might be inspired by Eric Young's + * Blowfish library (I can't be sure if I would think of something if I + * hadn't seen his code). + */ + +#include "postgres.h" +#include "miscadmin.h" + +#include "px-crypt.h" +#include "px.h" + +#ifdef __i386__ +#define BF_ASM 0 /* 1 */ +#define BF_SCALE 1 +#elif defined(__x86_64__) || defined(__alpha__) || defined(__hppa__) +#define BF_ASM 0 +#define BF_SCALE 1 +#else +#define BF_ASM 0 +#define BF_SCALE 0 +#endif + +typedef unsigned int BF_word; +typedef signed int BF_word_signed; + +/* Number of Blowfish rounds, this is also hardcoded into a few places */ +#define BF_N 16 + +typedef BF_word BF_key[BF_N + 2]; + +typedef struct +{ + BF_word S[4][0x100]; + BF_key P; +} BF_ctx; + +/* + * Magic IV for 64 Blowfish encryptions that we do at the end. + * The string is "OrpheanBeholderScryDoubt" on big-endian. + */ +static BF_word BF_magic_w[6] = { + 0x4F727068, 0x65616E42, 0x65686F6C, + 0x64657253, 0x63727944, 0x6F756274 +}; + +/* + * P-box and S-box tables initialized with digits of Pi. + */ +static BF_ctx BF_init_state = { + { + { + 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, + 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, + 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, + 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, + 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, + 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, + 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, + 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, + 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, + 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, + 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, + 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, + 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, + 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, + 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, + 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, + 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, + 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, + 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, + 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, + 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, + 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, + 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, + 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, + 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, + 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, + 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, + 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, + 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, + 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, + 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, + 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, + 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, + 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, + 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, + 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, + 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, + 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, + 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, + 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, + 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, + 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, + 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, + 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, + 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, + 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, + 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, + 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, + 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, + 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, + 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, + 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, + 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, + 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, + 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, + 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, + 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, + 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, + 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, + 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, + 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, + 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, + 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, + 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a + }, { + 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, + 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, + 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, + 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, + 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, + 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, + 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, + 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1, + 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, + 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, + 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, + 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, + 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, + 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7, + 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, + 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, + 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, + 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, + 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, + 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87, + 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, + 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, + 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, + 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, + 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, + 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509, + 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, + 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, + 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, + 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, + 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, + 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, + 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, + 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, + 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, + 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, + 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, + 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf, + 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, + 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, + 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, + 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, + 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, + 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281, + 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, + 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, + 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, + 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, + 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, + 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0, + 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, + 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, + 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, + 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, + 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, + 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061, + 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, + 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, + 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, + 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, + 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, + 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, + 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, + 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7 + }, { + 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, + 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068, + 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, + 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, + 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, + 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, + 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, + 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, + 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, + 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, + 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, + 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, + 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, + 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb, + 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, + 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, + 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, + 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, + 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, + 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc, + 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, + 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, + 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, + 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, + 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, + 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728, + 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, + 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, + 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, + 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, + 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, + 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b, + 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, + 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, + 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, + 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, + 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, + 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, + 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, + 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, + 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, + 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, + 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, + 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61, + 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, + 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, + 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, + 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, + 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, + 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633, + 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, + 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, + 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, + 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, + 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, + 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62, + 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, + 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, + 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, + 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, + 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, + 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c, + 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, + 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0 + }, { + 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, + 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe, + 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, + 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, + 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, + 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, + 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, + 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22, + 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, + 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, + 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, + 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, + 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, + 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, + 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, + 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, + 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, + 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, + 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, + 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd, + 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, + 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, + 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, + 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, + 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, + 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32, + 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, + 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, + 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, + 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, + 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, + 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47, + 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, + 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, + 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, + 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, + 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, + 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd, + 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, + 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, + 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, + 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, + 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, + 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, + 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, + 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, + 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, + 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, + 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, + 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, + 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, + 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, + 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, + 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, + 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, + 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a, + 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, + 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, + 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, + 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, + 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, + 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9, + 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, + 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6 + } + }, { + 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, + 0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89, + 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, + 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, + 0x9216d5d9, 0x8979fb1b + } +}; + +static unsigned char BF_itoa64[64 + 1] = +"./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; + +static unsigned char BF_atoi64[0x60] = { + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 0, 1, + 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 64, 64, 64, 64, 64, + 64, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 64, 64, 64, 64, 64, + 64, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 64, 64, 64, 64, 64 +}; + +#define BF_safe_atoi64(dst, src) \ +do { \ + tmp = (unsigned char)(src); \ + if ((unsigned int)(tmp -= 0x20) >= 0x60) return -1; \ + tmp = BF_atoi64[tmp]; \ + if (tmp > 63) return -1; \ + (dst) = tmp; \ +} while (0) + +static int +BF_decode(BF_word *dst, const char *src, int size) +{ + unsigned char *dptr = (unsigned char *) dst; + unsigned char *end = dptr + size; + const unsigned char *sptr = (const unsigned char *) src; + unsigned int tmp, + c1, + c2, + c3, + c4; + + do + { + BF_safe_atoi64(c1, *sptr++); + BF_safe_atoi64(c2, *sptr++); + *dptr++ = (c1 << 2) | ((c2 & 0x30) >> 4); + if (dptr >= end) + break; + + BF_safe_atoi64(c3, *sptr++); + *dptr++ = ((c2 & 0x0F) << 4) | ((c3 & 0x3C) >> 2); + if (dptr >= end) + break; + + BF_safe_atoi64(c4, *sptr++); + *dptr++ = ((c3 & 0x03) << 6) | c4; + } while (dptr < end); + + return 0; +} + +static void +BF_encode(char *dst, const BF_word *src, int size) +{ + const unsigned char *sptr = (const unsigned char *) src; + const unsigned char *end = sptr + size; + unsigned char *dptr = (unsigned char *) dst; + unsigned int c1, + c2; + + do + { + c1 = *sptr++; + *dptr++ = BF_itoa64[c1 >> 2]; + c1 = (c1 & 0x03) << 4; + if (sptr >= end) + { + *dptr++ = BF_itoa64[c1]; + break; + } + + c2 = *sptr++; + c1 |= c2 >> 4; + *dptr++ = BF_itoa64[c1]; + c1 = (c2 & 0x0f) << 2; + if (sptr >= end) + { + *dptr++ = BF_itoa64[c1]; + break; + } + + c2 = *sptr++; + c1 |= c2 >> 6; + *dptr++ = BF_itoa64[c1]; + *dptr++ = BF_itoa64[c2 & 0x3f]; + } while (sptr < end); +} + +static void +BF_swap(BF_word *x, int count) +{ + /* Swap on little-endian hardware, else do nothing */ +#ifndef WORDS_BIGENDIAN + BF_word tmp; + + do + { + tmp = *x; + tmp = (tmp << 16) | (tmp >> 16); + *x++ = ((tmp & 0x00FF00FF) << 8) | ((tmp >> 8) & 0x00FF00FF); + } while (--count); +#endif +} + +#if BF_SCALE +/* Architectures which can shift addresses left by 2 bits with no extra cost */ +#define BF_ROUND(L, R, N) \ + tmp1 = (L) & 0xFF; \ + tmp2 = (L) >> 8; \ + tmp2 &= 0xFF; \ + tmp3 = (L) >> 16; \ + tmp3 &= 0xFF; \ + tmp4 = (L) >> 24; \ + tmp1 = data.ctx.S[3][tmp1]; \ + tmp2 = data.ctx.S[2][tmp2]; \ + tmp3 = data.ctx.S[1][tmp3]; \ + tmp3 += data.ctx.S[0][tmp4]; \ + tmp3 ^= tmp2; \ + (R) ^= data.ctx.P[(N) + 1]; \ + tmp3 += tmp1; \ + (R) ^= tmp3 +#else +/* Architectures with no complicated addressing modes supported */ +#define BF_INDEX(S, i) \ + (*((BF_word *)(((unsigned char *)(S)) + (i)))) +#define BF_ROUND(L, R, N) \ + tmp1 = (L) & 0xFF; \ + tmp1 <<= 2; \ + tmp2 = (L) >> 6; \ + tmp2 &= 0x3FC; \ + tmp3 = (L) >> 14; \ + tmp3 &= 0x3FC; \ + tmp4 = (L) >> 22; \ + tmp4 &= 0x3FC; \ + tmp1 = BF_INDEX(data.ctx.S[3], tmp1); \ + tmp2 = BF_INDEX(data.ctx.S[2], tmp2); \ + tmp3 = BF_INDEX(data.ctx.S[1], tmp3); \ + tmp3 += BF_INDEX(data.ctx.S[0], tmp4); \ + tmp3 ^= tmp2; \ + (R) ^= data.ctx.P[(N) + 1]; \ + tmp3 += tmp1; \ + (R) ^= tmp3 +#endif + +/* + * Encrypt one block, BF_N is hardcoded here. + */ +#define BF_ENCRYPT \ + L ^= data.ctx.P[0]; \ + BF_ROUND(L, R, 0); \ + BF_ROUND(R, L, 1); \ + BF_ROUND(L, R, 2); \ + BF_ROUND(R, L, 3); \ + BF_ROUND(L, R, 4); \ + BF_ROUND(R, L, 5); \ + BF_ROUND(L, R, 6); \ + BF_ROUND(R, L, 7); \ + BF_ROUND(L, R, 8); \ + BF_ROUND(R, L, 9); \ + BF_ROUND(L, R, 10); \ + BF_ROUND(R, L, 11); \ + BF_ROUND(L, R, 12); \ + BF_ROUND(R, L, 13); \ + BF_ROUND(L, R, 14); \ + BF_ROUND(R, L, 15); \ + tmp4 = R; \ + R = L; \ + L = tmp4 ^ data.ctx.P[BF_N + 1] + +#if BF_ASM + +extern void _BF_body_r(BF_ctx *ctx); + +#define BF_body() \ + _BF_body_r(&data.ctx) +#else + +#define BF_body() \ +do { \ + L = R = 0; \ + ptr = data.ctx.P; \ + do { \ + ptr += 2; \ + BF_ENCRYPT; \ + *(ptr - 2) = L; \ + *(ptr - 1) = R; \ + } while (ptr < &data.ctx.P[BF_N + 2]); \ +\ + ptr = data.ctx.S[0]; \ + do { \ + ptr += 2; \ + BF_ENCRYPT; \ + *(ptr - 2) = L; \ + *(ptr - 1) = R; \ + } while (ptr < &data.ctx.S[3][0xFF]); \ +} while (0) +#endif + +static void +BF_set_key(const char *key, BF_key expanded, BF_key initial, + int sign_extension_bug) +{ + const char *ptr = key; + int i, + j; + BF_word tmp; + + for (i = 0; i < BF_N + 2; i++) + { + tmp = 0; + for (j = 0; j < 4; j++) + { + tmp <<= 8; + if (sign_extension_bug) + tmp |= (BF_word_signed) (signed char) *ptr; + else + tmp |= (unsigned char) *ptr; + + if (!*ptr) + ptr = key; + else + ptr++; + } + + expanded[i] = tmp; + initial[i] = BF_init_state.P[i] ^ tmp; + } +} + +char * +_crypt_blowfish_rn(const char *key, const char *setting, + char *output, int size) +{ + struct + { + BF_ctx ctx; + BF_key expanded_key; + union + { + BF_word salt[4]; + BF_word output[6]; + } binary; + } data; + BF_word L, + R; + BF_word tmp1, + tmp2, + tmp3, + tmp4; + BF_word *ptr; + BF_word count; + int i; + + if (size < 7 + 22 + 31 + 1) + return NULL; + + /* + * Blowfish salt value must be formatted as follows: "$2a$" or "$2x$", a + * two digit cost parameter, "$", and 22 digits from the alphabet + * "./0-9A-Za-z". -- from the PHP crypt docs. Apparently we enforce a few + * more restrictions on the count in the salt as well. + */ + if (strlen(setting) < 29) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("invalid salt"))); + + if (setting[0] != '$' || + setting[1] != '2' || + (setting[2] != 'a' && setting[2] != 'x') || + setting[3] != '$' || + setting[4] < '0' || setting[4] > '3' || + setting[5] < '0' || setting[5] > '9' || + (setting[4] == '3' && setting[5] > '1') || + setting[6] != '$') + { + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("invalid salt"))); + } + + count = (BF_word) 1 << ((setting[4] - '0') * 10 + (setting[5] - '0')); + if (count < 16 || BF_decode(data.binary.salt, &setting[7], 16)) + { + px_memset(data.binary.salt, 0, sizeof(data.binary.salt)); + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("invalid salt"))); + } + BF_swap(data.binary.salt, 4); + + BF_set_key(key, data.expanded_key, data.ctx.P, setting[2] == 'x'); + + memcpy(data.ctx.S, BF_init_state.S, sizeof(data.ctx.S)); + + L = R = 0; + for (i = 0; i < BF_N + 2; i += 2) + { + L ^= data.binary.salt[i & 2]; + R ^= data.binary.salt[(i & 2) + 1]; + BF_ENCRYPT; + data.ctx.P[i] = L; + data.ctx.P[i + 1] = R; + } + + ptr = data.ctx.S[0]; + do + { + ptr += 4; + L ^= data.binary.salt[(BF_N + 2) & 3]; + R ^= data.binary.salt[(BF_N + 3) & 3]; + BF_ENCRYPT; + *(ptr - 4) = L; + *(ptr - 3) = R; + + L ^= data.binary.salt[(BF_N + 4) & 3]; + R ^= data.binary.salt[(BF_N + 5) & 3]; + BF_ENCRYPT; + *(ptr - 2) = L; + *(ptr - 1) = R; + } while (ptr < &data.ctx.S[3][0xFF]); + + do + { + CHECK_FOR_INTERRUPTS(); + + data.ctx.P[0] ^= data.expanded_key[0]; + data.ctx.P[1] ^= data.expanded_key[1]; + data.ctx.P[2] ^= data.expanded_key[2]; + data.ctx.P[3] ^= data.expanded_key[3]; + data.ctx.P[4] ^= data.expanded_key[4]; + data.ctx.P[5] ^= data.expanded_key[5]; + data.ctx.P[6] ^= data.expanded_key[6]; + data.ctx.P[7] ^= data.expanded_key[7]; + data.ctx.P[8] ^= data.expanded_key[8]; + data.ctx.P[9] ^= data.expanded_key[9]; + data.ctx.P[10] ^= data.expanded_key[10]; + data.ctx.P[11] ^= data.expanded_key[11]; + data.ctx.P[12] ^= data.expanded_key[12]; + data.ctx.P[13] ^= data.expanded_key[13]; + data.ctx.P[14] ^= data.expanded_key[14]; + data.ctx.P[15] ^= data.expanded_key[15]; + data.ctx.P[16] ^= data.expanded_key[16]; + data.ctx.P[17] ^= data.expanded_key[17]; + + BF_body(); + + tmp1 = data.binary.salt[0]; + tmp2 = data.binary.salt[1]; + tmp3 = data.binary.salt[2]; + tmp4 = data.binary.salt[3]; + data.ctx.P[0] ^= tmp1; + data.ctx.P[1] ^= tmp2; + data.ctx.P[2] ^= tmp3; + data.ctx.P[3] ^= tmp4; + data.ctx.P[4] ^= tmp1; + data.ctx.P[5] ^= tmp2; + data.ctx.P[6] ^= tmp3; + data.ctx.P[7] ^= tmp4; + data.ctx.P[8] ^= tmp1; + data.ctx.P[9] ^= tmp2; + data.ctx.P[10] ^= tmp3; + data.ctx.P[11] ^= tmp4; + data.ctx.P[12] ^= tmp1; + data.ctx.P[13] ^= tmp2; + data.ctx.P[14] ^= tmp3; + data.ctx.P[15] ^= tmp4; + data.ctx.P[16] ^= tmp1; + data.ctx.P[17] ^= tmp2; + + BF_body(); + } while (--count); + + for (i = 0; i < 6; i += 2) + { + L = BF_magic_w[i]; + R = BF_magic_w[i + 1]; + + count = 64; + do + { + BF_ENCRYPT; + } while (--count); + + data.binary.output[i] = L; + data.binary.output[i + 1] = R; + } + + memcpy(output, setting, 7 + 22 - 1); + output[7 + 22 - 1] = BF_itoa64[(int) + BF_atoi64[(int) setting[7 + 22 - 1] - 0x20] & 0x30]; + +/* This has to be bug-compatible with the original implementation, so + * only encode 23 of the 24 bytes. :-) */ + BF_swap(data.binary.output, 6); + BF_encode(&output[7 + 22], data.binary.output, 23); + output[7 + 22 + 31] = '\0'; + +/* Overwrite the most obvious sensitive data we have on the stack. Note + * that this does not guarantee there's no sensitive data left on the + * stack and/or in registers; I'm not aware of portable code that does. */ + px_memset(&data, 0, sizeof(data)); + + return output; +} diff --git a/contrib/pgcrypto/crypt-des.c b/contrib/pgcrypto/crypt-des.c new file mode 100644 index 0000000..6efaa60 --- /dev/null +++ b/contrib/pgcrypto/crypt-des.c @@ -0,0 +1,791 @@ +/* + * FreeSec: libcrypt for NetBSD + * + * contrib/pgcrypto/crypt-des.c + * + * Copyright (c) 1994 David Burren + * All rights reserved. + * + * Adapted for FreeBSD-2.0 by Geoffrey M. Rehmet + * this file should now *only* export crypt(), in order to make + * binaries of libcrypt exportable from the USA + * + * Adapted for FreeBSD-4.0 by Mark R V Murray + * this file should now *only* export px_crypt_des(), in order to make + * a module that can be optionally included in libcrypt. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of other contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: src/secure/lib/libcrypt/crypt-des.c,v 1.12 1999/09/20 12:39:20 markm Exp $ + * + * This is an original implementation of the DES and the crypt(3) interfaces + * by David Burren . + * + * An excellent reference on the underlying algorithm (and related + * algorithms) is: + * + * B. Schneier, Applied Cryptography: protocols, algorithms, + * and source code in C, John Wiley & Sons, 1994. + * + * Note that in that book's description of DES the lookups for the initial, + * pbox, and final permutations are inverted (this has been brought to the + * attention of the author). A list of errata for this book has been + * posted to the sci.crypt newsgroup by the author and is available for FTP. + * + * ARCHITECTURE ASSUMPTIONS: + * It is assumed that the 8-byte arrays passed by reference can be + * addressed as arrays of uint32's (ie. the CPU is not picky about + * alignment). + */ + +#include "postgres.h" +#include "miscadmin.h" +#include "port/pg_bswap.h" + +#include "px-crypt.h" + +#define _PASSWORD_EFMT1 '_' + +static const char _crypt_a64[] = +"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; + +static uint8 IP[64] = { + 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, + 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, + 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, + 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7 +}; + +static uint8 inv_key_perm[64]; +static uint8 u_key_perm[56]; +static uint8 key_perm[56] = { + 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, + 10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36, + 63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22, + 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4 +}; + +static uint8 key_shifts[16] = { + 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 +}; + +static uint8 inv_comp_perm[56]; +static uint8 comp_perm[48] = { + 14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10, + 23, 19, 12, 4, 26, 8, 16, 7, 27, 20, 13, 2, + 41, 52, 31, 37, 47, 55, 30, 40, 51, 45, 33, 48, + 44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32 +}; + +/* + * No E box is used, as it's replaced by some ANDs, shifts, and ORs. + */ + +static uint8 u_sbox[8][64]; +static uint8 sbox[8][64] = { + { + 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7, + 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8, + 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0, + 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 + }, + { + 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10, + 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5, + 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15, + 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 + }, + { + 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8, + 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1, + 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7, + 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 + }, + { + 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15, + 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9, + 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4, + 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 + }, + { + 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9, + 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6, + 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14, + 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 + }, + { + 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11, + 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8, + 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6, + 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 + }, + { + 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1, + 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6, + 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2, + 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12 + }, + { + 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7, + 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2, + 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8, + 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 + } +}; + +static uint8 un_pbox[32]; +static uint8 pbox[32] = { + 16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10, + 2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25 +}; + +static uint32 _crypt_bits32[32] = +{ + 0x80000000, 0x40000000, 0x20000000, 0x10000000, + 0x08000000, 0x04000000, 0x02000000, 0x01000000, + 0x00800000, 0x00400000, 0x00200000, 0x00100000, + 0x00080000, 0x00040000, 0x00020000, 0x00010000, + 0x00008000, 0x00004000, 0x00002000, 0x00001000, + 0x00000800, 0x00000400, 0x00000200, 0x00000100, + 0x00000080, 0x00000040, 0x00000020, 0x00000010, + 0x00000008, 0x00000004, 0x00000002, 0x00000001 +}; + +static uint8 _crypt_bits8[8] = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01}; + +static uint32 saltbits; +static long old_salt; +static uint32 *bits28, + *bits24; +static uint8 init_perm[64], + final_perm[64]; +static uint32 en_keysl[16], + en_keysr[16]; +static uint32 de_keysl[16], + de_keysr[16]; +static int des_initialised = 0; +static uint8 m_sbox[4][4096]; +static uint32 psbox[4][256]; +static uint32 ip_maskl[8][256], + ip_maskr[8][256]; +static uint32 fp_maskl[8][256], + fp_maskr[8][256]; +static uint32 key_perm_maskl[8][128], + key_perm_maskr[8][128]; +static uint32 comp_maskl[8][128], + comp_maskr[8][128]; +static uint32 old_rawkey0, + old_rawkey1; + +static inline int +ascii_to_bin(char ch) +{ + if (ch > 'z') + return 0; + if (ch >= 'a') + return (ch - 'a' + 38); + if (ch > 'Z') + return 0; + if (ch >= 'A') + return (ch - 'A' + 12); + if (ch > '9') + return 0; + if (ch >= '.') + return (ch - '.'); + return 0; +} + +static void +des_init(void) +{ + int i, + j, + b, + k, + inbit, + obit; + uint32 *p, + *il, + *ir, + *fl, + *fr; + + old_rawkey0 = old_rawkey1 = 0L; + saltbits = 0L; + old_salt = 0L; + bits24 = (bits28 = _crypt_bits32 + 4) + 4; + + /* + * Invert the S-boxes, reordering the input bits. + */ + for (i = 0; i < 8; i++) + for (j = 0; j < 64; j++) + { + b = (j & 0x20) | ((j & 1) << 4) | ((j >> 1) & 0xf); + u_sbox[i][j] = sbox[i][b]; + } + + /* + * Convert the inverted S-boxes into 4 arrays of 8 bits. Each will handle + * 12 bits of the S-box input. + */ + for (b = 0; b < 4; b++) + for (i = 0; i < 64; i++) + for (j = 0; j < 64; j++) + m_sbox[b][(i << 6) | j] = + (u_sbox[(b << 1)][i] << 4) | + u_sbox[(b << 1) + 1][j]; + + /* + * Set up the initial & final permutations into a useful form, and + * initialise the inverted key permutation. + */ + for (i = 0; i < 64; i++) + { + init_perm[final_perm[i] = IP[i] - 1] = i; + inv_key_perm[i] = 255; + } + + /* + * Invert the key permutation and initialise the inverted key compression + * permutation. + */ + for (i = 0; i < 56; i++) + { + u_key_perm[i] = key_perm[i] - 1; + inv_key_perm[key_perm[i] - 1] = i; + inv_comp_perm[i] = 255; + } + + /* + * Invert the key compression permutation. + */ + for (i = 0; i < 48; i++) + inv_comp_perm[comp_perm[i] - 1] = i; + + /* + * Set up the OR-mask arrays for the initial and final permutations, and + * for the key initial and compression permutations. + */ + for (k = 0; k < 8; k++) + { + for (i = 0; i < 256; i++) + { + *(il = &ip_maskl[k][i]) = 0L; + *(ir = &ip_maskr[k][i]) = 0L; + *(fl = &fp_maskl[k][i]) = 0L; + *(fr = &fp_maskr[k][i]) = 0L; + for (j = 0; j < 8; j++) + { + inbit = 8 * k + j; + if (i & _crypt_bits8[j]) + { + if ((obit = init_perm[inbit]) < 32) + *il |= _crypt_bits32[obit]; + else + *ir |= _crypt_bits32[obit - 32]; + if ((obit = final_perm[inbit]) < 32) + *fl |= _crypt_bits32[obit]; + else + *fr |= _crypt_bits32[obit - 32]; + } + } + } + for (i = 0; i < 128; i++) + { + *(il = &key_perm_maskl[k][i]) = 0L; + *(ir = &key_perm_maskr[k][i]) = 0L; + for (j = 0; j < 7; j++) + { + inbit = 8 * k + j; + if (i & _crypt_bits8[j + 1]) + { + if ((obit = inv_key_perm[inbit]) == 255) + continue; + if (obit < 28) + *il |= bits28[obit]; + else + *ir |= bits28[obit - 28]; + } + } + *(il = &comp_maskl[k][i]) = 0L; + *(ir = &comp_maskr[k][i]) = 0L; + for (j = 0; j < 7; j++) + { + inbit = 7 * k + j; + if (i & _crypt_bits8[j + 1]) + { + if ((obit = inv_comp_perm[inbit]) == 255) + continue; + if (obit < 24) + *il |= bits24[obit]; + else + *ir |= bits24[obit - 24]; + } + } + } + } + + /* + * Invert the P-box permutation, and convert into OR-masks for handling + * the output of the S-box arrays setup above. + */ + for (i = 0; i < 32; i++) + un_pbox[pbox[i] - 1] = i; + + for (b = 0; b < 4; b++) + for (i = 0; i < 256; i++) + { + *(p = &psbox[b][i]) = 0L; + for (j = 0; j < 8; j++) + { + if (i & _crypt_bits8[j]) + *p |= _crypt_bits32[un_pbox[8 * b + j]]; + } + } + + des_initialised = 1; +} + +static void +setup_salt(long salt) +{ + uint32 obit, + saltbit; + int i; + + if (salt == old_salt) + return; + old_salt = salt; + + saltbits = 0L; + saltbit = 1; + obit = 0x800000; + for (i = 0; i < 24; i++) + { + if (salt & saltbit) + saltbits |= obit; + saltbit <<= 1; + obit >>= 1; + } +} + +static int +des_setkey(const char *key) +{ + uint32 k0, + k1, + rawkey0, + rawkey1; + int shifts, + round; + + if (!des_initialised) + des_init(); + + rawkey0 = pg_ntoh32(*(const uint32 *) key); + rawkey1 = pg_ntoh32(*(const uint32 *) (key + 4)); + + if ((rawkey0 | rawkey1) + && rawkey0 == old_rawkey0 + && rawkey1 == old_rawkey1) + { + /* + * Already setup for this key. This optimization fails on a zero key + * (which is weak and has bad parity anyway) in order to simplify the + * starting conditions. + */ + return 0; + } + old_rawkey0 = rawkey0; + old_rawkey1 = rawkey1; + + /* + * Do key permutation and split into two 28-bit subkeys. + */ + k0 = key_perm_maskl[0][rawkey0 >> 25] + | key_perm_maskl[1][(rawkey0 >> 17) & 0x7f] + | key_perm_maskl[2][(rawkey0 >> 9) & 0x7f] + | key_perm_maskl[3][(rawkey0 >> 1) & 0x7f] + | key_perm_maskl[4][rawkey1 >> 25] + | key_perm_maskl[5][(rawkey1 >> 17) & 0x7f] + | key_perm_maskl[6][(rawkey1 >> 9) & 0x7f] + | key_perm_maskl[7][(rawkey1 >> 1) & 0x7f]; + k1 = key_perm_maskr[0][rawkey0 >> 25] + | key_perm_maskr[1][(rawkey0 >> 17) & 0x7f] + | key_perm_maskr[2][(rawkey0 >> 9) & 0x7f] + | key_perm_maskr[3][(rawkey0 >> 1) & 0x7f] + | key_perm_maskr[4][rawkey1 >> 25] + | key_perm_maskr[5][(rawkey1 >> 17) & 0x7f] + | key_perm_maskr[6][(rawkey1 >> 9) & 0x7f] + | key_perm_maskr[7][(rawkey1 >> 1) & 0x7f]; + + /* + * Rotate subkeys and do compression permutation. + */ + shifts = 0; + for (round = 0; round < 16; round++) + { + uint32 t0, + t1; + + shifts += key_shifts[round]; + + t0 = (k0 << shifts) | (k0 >> (28 - shifts)); + t1 = (k1 << shifts) | (k1 >> (28 - shifts)); + + de_keysl[15 - round] = + en_keysl[round] = comp_maskl[0][(t0 >> 21) & 0x7f] + | comp_maskl[1][(t0 >> 14) & 0x7f] + | comp_maskl[2][(t0 >> 7) & 0x7f] + | comp_maskl[3][t0 & 0x7f] + | comp_maskl[4][(t1 >> 21) & 0x7f] + | comp_maskl[5][(t1 >> 14) & 0x7f] + | comp_maskl[6][(t1 >> 7) & 0x7f] + | comp_maskl[7][t1 & 0x7f]; + + de_keysr[15 - round] = + en_keysr[round] = comp_maskr[0][(t0 >> 21) & 0x7f] + | comp_maskr[1][(t0 >> 14) & 0x7f] + | comp_maskr[2][(t0 >> 7) & 0x7f] + | comp_maskr[3][t0 & 0x7f] + | comp_maskr[4][(t1 >> 21) & 0x7f] + | comp_maskr[5][(t1 >> 14) & 0x7f] + | comp_maskr[6][(t1 >> 7) & 0x7f] + | comp_maskr[7][t1 & 0x7f]; + } + return 0; +} + +static int +do_des(uint32 l_in, uint32 r_in, uint32 *l_out, uint32 *r_out, int count) +{ + /* + * l_in, r_in, l_out, and r_out are in pseudo-"big-endian" format. + */ + uint32 l, + r, + *kl, + *kr, + *kl1, + *kr1; + uint32 f, + r48l, + r48r; + int round; + + if (count == 0) + return 1; + else if (count > 0) + { + /* + * Encrypting + */ + kl1 = en_keysl; + kr1 = en_keysr; + } + else + { + /* + * Decrypting + */ + count = -count; + kl1 = de_keysl; + kr1 = de_keysr; + } + + /* + * Do initial permutation (IP). + */ + l = ip_maskl[0][l_in >> 24] + | ip_maskl[1][(l_in >> 16) & 0xff] + | ip_maskl[2][(l_in >> 8) & 0xff] + | ip_maskl[3][l_in & 0xff] + | ip_maskl[4][r_in >> 24] + | ip_maskl[5][(r_in >> 16) & 0xff] + | ip_maskl[6][(r_in >> 8) & 0xff] + | ip_maskl[7][r_in & 0xff]; + r = ip_maskr[0][l_in >> 24] + | ip_maskr[1][(l_in >> 16) & 0xff] + | ip_maskr[2][(l_in >> 8) & 0xff] + | ip_maskr[3][l_in & 0xff] + | ip_maskr[4][r_in >> 24] + | ip_maskr[5][(r_in >> 16) & 0xff] + | ip_maskr[6][(r_in >> 8) & 0xff] + | ip_maskr[7][r_in & 0xff]; + + while (count--) + { + CHECK_FOR_INTERRUPTS(); + + /* + * Do each round. + */ + kl = kl1; + kr = kr1; + round = 16; + while (round--) + { + /* + * Expand R to 48 bits (simulate the E-box). + */ + r48l = ((r & 0x00000001) << 23) + | ((r & 0xf8000000) >> 9) + | ((r & 0x1f800000) >> 11) + | ((r & 0x01f80000) >> 13) + | ((r & 0x001f8000) >> 15); + + r48r = ((r & 0x0001f800) << 7) + | ((r & 0x00001f80) << 5) + | ((r & 0x000001f8) << 3) + | ((r & 0x0000001f) << 1) + | ((r & 0x80000000) >> 31); + + /* + * Do salting for crypt() and friends, and XOR with the permuted + * key. + */ + f = (r48l ^ r48r) & saltbits; + r48l ^= f ^ *kl++; + r48r ^= f ^ *kr++; + + /* + * Do sbox lookups (which shrink it back to 32 bits) and do the + * pbox permutation at the same time. + */ + f = psbox[0][m_sbox[0][r48l >> 12]] + | psbox[1][m_sbox[1][r48l & 0xfff]] + | psbox[2][m_sbox[2][r48r >> 12]] + | psbox[3][m_sbox[3][r48r & 0xfff]]; + + /* + * Now that we've permuted things, complete f(). + */ + f ^= l; + l = r; + r = f; + } + r = l; + l = f; + } + + /* + * Do final permutation (inverse of IP). + */ + *l_out = fp_maskl[0][l >> 24] + | fp_maskl[1][(l >> 16) & 0xff] + | fp_maskl[2][(l >> 8) & 0xff] + | fp_maskl[3][l & 0xff] + | fp_maskl[4][r >> 24] + | fp_maskl[5][(r >> 16) & 0xff] + | fp_maskl[6][(r >> 8) & 0xff] + | fp_maskl[7][r & 0xff]; + *r_out = fp_maskr[0][l >> 24] + | fp_maskr[1][(l >> 16) & 0xff] + | fp_maskr[2][(l >> 8) & 0xff] + | fp_maskr[3][l & 0xff] + | fp_maskr[4][r >> 24] + | fp_maskr[5][(r >> 16) & 0xff] + | fp_maskr[6][(r >> 8) & 0xff] + | fp_maskr[7][r & 0xff]; + return 0; +} + +static int +des_cipher(const char *in, char *out, long salt, int count) +{ + uint32 buffer[2]; + uint32 l_out, + r_out, + rawl, + rawr; + int retval; + + if (!des_initialised) + des_init(); + + setup_salt(salt); + + /* copy data to avoid assuming input is word-aligned */ + memcpy(buffer, in, sizeof(buffer)); + + rawl = pg_ntoh32(buffer[0]); + rawr = pg_ntoh32(buffer[1]); + + retval = do_des(rawl, rawr, &l_out, &r_out, count); + if (retval) + return retval; + + buffer[0] = pg_hton32(l_out); + buffer[1] = pg_hton32(r_out); + + /* copy data to avoid assuming output is word-aligned */ + memcpy(out, buffer, sizeof(buffer)); + + return retval; +} + +char * +px_crypt_des(const char *key, const char *setting) +{ + int i; + uint32 count, + salt, + l, + r0, + r1, + keybuf[2]; + char *p; + uint8 *q; + static char output[21]; + + if (!des_initialised) + des_init(); + + + /* + * Copy the key, shifting each character up by one bit and padding with + * zeros. + */ + q = (uint8 *) keybuf; + while (q - (uint8 *) keybuf - 8) + { + *q++ = *key << 1; + if (*key != '\0') + key++; + } + if (des_setkey((char *) keybuf)) + return NULL; + +#ifndef DISABLE_XDES + if (*setting == _PASSWORD_EFMT1) + { + /* + * "new"-style: setting must be a 9-character (underscore, then 4 + * bytes of count, then 4 bytes of salt) string. See CRYPT(3) under + * the "Extended crypt" heading for further details. + * + * Unlimited characters of the input key are used. This is known as + * the "Extended crypt" DES method. + * + */ + if (strlen(setting) < 9) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("invalid salt"))); + + for (i = 1, count = 0L; i < 5; i++) + count |= ascii_to_bin(setting[i]) << (i - 1) * 6; + + for (i = 5, salt = 0L; i < 9; i++) + salt |= ascii_to_bin(setting[i]) << (i - 5) * 6; + + while (*key) + { + /* + * Encrypt the key with itself. + */ + if (des_cipher((char *) keybuf, (char *) keybuf, 0L, 1)) + return NULL; + + /* + * And XOR with the next 8 characters of the key. + */ + q = (uint8 *) keybuf; + while (q - (uint8 *) keybuf - 8 && *key) + *q++ ^= *key++ << 1; + + if (des_setkey((char *) keybuf)) + return NULL; + } + StrNCpy(output, setting, 10); + + /* + * Double check that we weren't given a short setting. If we were, the + * above code will probably have created weird values for count and + * salt, but we don't really care. Just make sure the output string + * doesn't have an extra NUL in it. + */ + p = output + strlen(output); + } + else +#endif /* !DISABLE_XDES */ + { + /* + * "old"-style: setting - 2 bytes of salt key - only up to the first 8 + * characters of the input key are used. + */ + count = 25; + + if (strlen(setting) < 2) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("invalid salt"))); + + salt = (ascii_to_bin(setting[1]) << 6) + | ascii_to_bin(setting[0]); + + output[0] = setting[0]; + + /* + * If the encrypted password that the salt was extracted from is only + * 1 character long, the salt will be corrupted. We need to ensure + * that the output string doesn't have an extra NUL in it! + */ + output[1] = setting[1] ? setting[1] : output[0]; + + p = output + 2; + } + setup_salt(salt); + + /* + * Do it. + */ + if (do_des(0L, 0L, &r0, &r1, count)) + return NULL; + + /* + * Now encode the result... + */ + l = (r0 >> 8); + *p++ = _crypt_a64[(l >> 18) & 0x3f]; + *p++ = _crypt_a64[(l >> 12) & 0x3f]; + *p++ = _crypt_a64[(l >> 6) & 0x3f]; + *p++ = _crypt_a64[l & 0x3f]; + + l = (r0 << 16) | ((r1 >> 16) & 0xffff); + *p++ = _crypt_a64[(l >> 18) & 0x3f]; + *p++ = _crypt_a64[(l >> 12) & 0x3f]; + *p++ = _crypt_a64[(l >> 6) & 0x3f]; + *p++ = _crypt_a64[l & 0x3f]; + + l = r1 << 2; + *p++ = _crypt_a64[(l >> 12) & 0x3f]; + *p++ = _crypt_a64[(l >> 6) & 0x3f]; + *p++ = _crypt_a64[l & 0x3f]; + *p = 0; + + return output; +} diff --git a/contrib/pgcrypto/crypt-gensalt.c b/contrib/pgcrypto/crypt-gensalt.c new file mode 100644 index 0000000..740f361 --- /dev/null +++ b/contrib/pgcrypto/crypt-gensalt.c @@ -0,0 +1,187 @@ +/* + * Written by Solar Designer and placed in the public domain. + * See crypt_blowfish.c for more information. + * + * contrib/pgcrypto/crypt-gensalt.c + * + * This file contains salt generation functions for the traditional and + * other common crypt(3) algorithms, except for bcrypt which is defined + * entirely in crypt_blowfish.c. + * + * Put bcrypt generator also here as crypt-blowfish.c + * may not be compiled always. -- marko + */ + +#include "postgres.h" + +#include "px-crypt.h" + +typedef unsigned int BF_word; + +static unsigned char _crypt_itoa64[64 + 1] = +"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; + +char * +_crypt_gensalt_traditional_rn(unsigned long count, + const char *input, int size, char *output, int output_size) +{ + if (size < 2 || output_size < 2 + 1 || (count && count != 25)) + { + if (output_size > 0) + output[0] = '\0'; + return NULL; + } + + output[0] = _crypt_itoa64[(unsigned int) input[0] & 0x3f]; + output[1] = _crypt_itoa64[(unsigned int) input[1] & 0x3f]; + output[2] = '\0'; + + return output; +} + +char * +_crypt_gensalt_extended_rn(unsigned long count, + const char *input, int size, char *output, int output_size) +{ + unsigned long value; + +/* Even iteration counts make it easier to detect weak DES keys from a look + * at the hash, so they should be avoided */ + if (size < 3 || output_size < 1 + 4 + 4 + 1 || + (count && (count > 0xffffff || !(count & 1)))) + { + if (output_size > 0) + output[0] = '\0'; + return NULL; + } + + if (!count) + count = 725; + + output[0] = '_'; + output[1] = _crypt_itoa64[count & 0x3f]; + output[2] = _crypt_itoa64[(count >> 6) & 0x3f]; + output[3] = _crypt_itoa64[(count >> 12) & 0x3f]; + output[4] = _crypt_itoa64[(count >> 18) & 0x3f]; + value = (unsigned long) (unsigned char) input[0] | + ((unsigned long) (unsigned char) input[1] << 8) | + ((unsigned long) (unsigned char) input[2] << 16); + output[5] = _crypt_itoa64[value & 0x3f]; + output[6] = _crypt_itoa64[(value >> 6) & 0x3f]; + output[7] = _crypt_itoa64[(value >> 12) & 0x3f]; + output[8] = _crypt_itoa64[(value >> 18) & 0x3f]; + output[9] = '\0'; + + return output; +} + +char * +_crypt_gensalt_md5_rn(unsigned long count, + const char *input, int size, char *output, int output_size) +{ + unsigned long value; + + if (size < 3 || output_size < 3 + 4 + 1 || (count && count != 1000)) + { + if (output_size > 0) + output[0] = '\0'; + return NULL; + } + + output[0] = '$'; + output[1] = '1'; + output[2] = '$'; + value = (unsigned long) (unsigned char) input[0] | + ((unsigned long) (unsigned char) input[1] << 8) | + ((unsigned long) (unsigned char) input[2] << 16); + output[3] = _crypt_itoa64[value & 0x3f]; + output[4] = _crypt_itoa64[(value >> 6) & 0x3f]; + output[5] = _crypt_itoa64[(value >> 12) & 0x3f]; + output[6] = _crypt_itoa64[(value >> 18) & 0x3f]; + output[7] = '\0'; + + if (size >= 6 && output_size >= 3 + 4 + 4 + 1) + { + value = (unsigned long) (unsigned char) input[3] | + ((unsigned long) (unsigned char) input[4] << 8) | + ((unsigned long) (unsigned char) input[5] << 16); + output[7] = _crypt_itoa64[value & 0x3f]; + output[8] = _crypt_itoa64[(value >> 6) & 0x3f]; + output[9] = _crypt_itoa64[(value >> 12) & 0x3f]; + output[10] = _crypt_itoa64[(value >> 18) & 0x3f]; + output[11] = '\0'; + } + + return output; +} + + + +static unsigned char BF_itoa64[64 + 1] = +"./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; + +static void +BF_encode(char *dst, const BF_word *src, int size) +{ + const unsigned char *sptr = (const unsigned char *) src; + const unsigned char *end = sptr + size; + unsigned char *dptr = (unsigned char *) dst; + unsigned int c1, + c2; + + do + { + c1 = *sptr++; + *dptr++ = BF_itoa64[c1 >> 2]; + c1 = (c1 & 0x03) << 4; + if (sptr >= end) + { + *dptr++ = BF_itoa64[c1]; + break; + } + + c2 = *sptr++; + c1 |= c2 >> 4; + *dptr++ = BF_itoa64[c1]; + c1 = (c2 & 0x0f) << 2; + if (sptr >= end) + { + *dptr++ = BF_itoa64[c1]; + break; + } + + c2 = *sptr++; + c1 |= c2 >> 6; + *dptr++ = BF_itoa64[c1]; + *dptr++ = BF_itoa64[c2 & 0x3f]; + } while (sptr < end); +} + +char * +_crypt_gensalt_blowfish_rn(unsigned long count, + const char *input, int size, char *output, int output_size) +{ + if (size < 16 || output_size < 7 + 22 + 1 || + (count && (count < 4 || count > 31))) + { + if (output_size > 0) + output[0] = '\0'; + return NULL; + } + + if (!count) + count = 5; + + output[0] = '$'; + output[1] = '2'; + output[2] = 'a'; + output[3] = '$'; + output[4] = '0' + count / 10; + output[5] = '0' + count % 10; + output[6] = '$'; + + BF_encode(&output[7], (const BF_word *) input, 16); + output[7 + 22] = '\0'; + + return output; +} diff --git a/contrib/pgcrypto/crypt-md5.c b/contrib/pgcrypto/crypt-md5.c new file mode 100644 index 0000000..d38721a --- /dev/null +++ b/contrib/pgcrypto/crypt-md5.c @@ -0,0 +1,169 @@ +/* + * File imported from FreeBSD, original by Poul-Henning Kamp. + * + * $FreeBSD: src/lib/libcrypt/crypt-md5.c,v 1.5 1999/12/17 20:21:45 peter Exp $ + * + * contrib/pgcrypto/crypt-md5.c + */ + +#include "postgres.h" + +#include "px-crypt.h" +#include "px.h" + +#define MD5_SIZE 16 + +static const char _crypt_a64[] = +"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; + +static void +_crypt_to64(char *s, unsigned long v, int n) +{ + while (--n >= 0) + { + *s++ = _crypt_a64[v & 0x3f]; + v >>= 6; + } +} + +/* + * UNIX password + */ + +char * +px_crypt_md5(const char *pw, const char *salt, char *passwd, unsigned dstlen) +{ + static char *magic = "$1$"; /* This string is magic for this algorithm. + * Having it this way, we can get better later + * on */ + static char *p; + static const char *sp, + *ep; + unsigned char final[MD5_SIZE]; + int sl, + pl, + i; + PX_MD *ctx, + *ctx1; + int err; + unsigned long l; + + if (!passwd || dstlen < 120) + return NULL; + + /* Refine the Salt first */ + sp = salt; + + /* If it starts with the magic string, then skip that */ + if (strncmp(sp, magic, strlen(magic)) == 0) + sp += strlen(magic); + + /* It stops at the first '$', max 8 chars */ + for (ep = sp; *ep && *ep != '$' && ep < (sp + 8); ep++) + continue; + + /* get the length of the true salt */ + sl = ep - sp; + + /* we need two PX_MD objects */ + err = px_find_digest("md5", &ctx); + if (err) + return NULL; + err = px_find_digest("md5", &ctx1); + if (err) + { + /* this path is possible under low-memory circumstances */ + px_md_free(ctx); + return NULL; + } + + /* The password first, since that is what is most unknown */ + px_md_update(ctx, (const uint8 *) pw, strlen(pw)); + + /* Then our magic string */ + px_md_update(ctx, (uint8 *) magic, strlen(magic)); + + /* Then the raw salt */ + px_md_update(ctx, (const uint8 *) sp, sl); + + /* Then just as many characters of the MD5(pw,salt,pw) */ + px_md_update(ctx1, (const uint8 *) pw, strlen(pw)); + px_md_update(ctx1, (const uint8 *) sp, sl); + px_md_update(ctx1, (const uint8 *) pw, strlen(pw)); + px_md_finish(ctx1, final); + for (pl = strlen(pw); pl > 0; pl -= MD5_SIZE) + px_md_update(ctx, final, pl > MD5_SIZE ? MD5_SIZE : pl); + + /* Don't leave anything around in vm they could use. */ + px_memset(final, 0, sizeof final); + + /* Then something really weird... */ + for (i = strlen(pw); i; i >>= 1) + if (i & 1) + px_md_update(ctx, final, 1); + else + px_md_update(ctx, (const uint8 *) pw, 1); + + /* Now make the output string */ + strcpy(passwd, magic); + strncat(passwd, sp, sl); + strcat(passwd, "$"); + + px_md_finish(ctx, final); + + /* + * and now, just to make sure things don't run too fast On a 60 Mhz + * Pentium this takes 34 msec, so you would need 30 seconds to build a + * 1000 entry dictionary... + */ + for (i = 0; i < 1000; i++) + { + px_md_reset(ctx1); + if (i & 1) + px_md_update(ctx1, (const uint8 *) pw, strlen(pw)); + else + px_md_update(ctx1, final, MD5_SIZE); + + if (i % 3) + px_md_update(ctx1, (const uint8 *) sp, sl); + + if (i % 7) + px_md_update(ctx1, (const uint8 *) pw, strlen(pw)); + + if (i & 1) + px_md_update(ctx1, final, MD5_SIZE); + else + px_md_update(ctx1, (const uint8 *) pw, strlen(pw)); + px_md_finish(ctx1, final); + } + + p = passwd + strlen(passwd); + + l = (final[0] << 16) | (final[6] << 8) | final[12]; + _crypt_to64(p, l, 4); + p += 4; + l = (final[1] << 16) | (final[7] << 8) | final[13]; + _crypt_to64(p, l, 4); + p += 4; + l = (final[2] << 16) | (final[8] << 8) | final[14]; + _crypt_to64(p, l, 4); + p += 4; + l = (final[3] << 16) | (final[9] << 8) | final[15]; + _crypt_to64(p, l, 4); + p += 4; + l = (final[4] << 16) | (final[10] << 8) | final[5]; + _crypt_to64(p, l, 4); + p += 4; + l = final[11]; + _crypt_to64(p, l, 2); + p += 2; + *p = '\0'; + + /* Don't leave anything around in vm they could use. */ + px_memset(final, 0, sizeof final); + + px_md_free(ctx1); + px_md_free(ctx); + + return passwd; +} diff --git a/contrib/pgcrypto/expected/3des.out b/contrib/pgcrypto/expected/3des.out new file mode 100644 index 0000000..8983a73 --- /dev/null +++ b/contrib/pgcrypto/expected/3des.out @@ -0,0 +1,71 @@ +-- +-- 3DES cipher +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; +-- test vector from somewhere +SELECT encode(encrypt( +decode('80 00 00 00 00 00 00 00', 'hex'), +decode('01 01 01 01 01 01 01 01 + 01 01 01 01 01 01 01 01 + 01 01 01 01 01 01 01 01', 'hex'), +'3des-ecb/pad:none'), 'hex'); + encode +------------------ + 95f8a5e5dd31d900 +(1 row) + +-- val 95 F8 A5 E5 DD 31 D9 00 +select encode( encrypt('', 'foo', '3des'), 'hex'); + encode +------------------ + 752111e37a2d7ac3 +(1 row) + +-- 10 bytes key +select encode( encrypt('foo', '0123456789', '3des'), 'hex'); + encode +------------------ + d2fb8baa1717cb02 +(1 row) + +-- 22 bytes key +select encode( encrypt('foo', '0123456789012345678901', '3des'), 'hex'); + encode +------------------ + a44360e699269817 +(1 row) + +-- decrypt +select decrypt(encrypt('foo', '0123456', '3des'), '0123456', '3des'); + decrypt +--------- + foo +(1 row) + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', '3des'), 'hex'); + encode +------------------ + 50735067b073bb93 +(1 row) + +select decrypt_iv(decode('50735067b073bb93', 'hex'), '0123456', 'abcd', '3des'); + decrypt_iv +------------ + foo +(1 row) + +-- long message +select encode(encrypt('Lets try a longer message.', '0123456789012345678901', '3des'), 'hex'); + encode +------------------------------------------------------------------ + b71e3422269d0ded19468f33d65cd663c28e0871984792a7b3ba0ddcecec8d2c +(1 row) + +select decrypt(encrypt('Lets try a longer message.', '0123456789012345678901', '3des'), '0123456789012345678901', '3des'); + decrypt +---------------------------- + Lets try a longer message. +(1 row) + diff --git a/contrib/pgcrypto/expected/blowfish.out b/contrib/pgcrypto/expected/blowfish.out new file mode 100644 index 0000000..72557ea --- /dev/null +++ b/contrib/pgcrypto/expected/blowfish.out @@ -0,0 +1,175 @@ +-- +-- Blowfish cipher +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; +-- some standard Blowfish testvalues +SELECT encode(encrypt( +decode('0000000000000000', 'hex'), +decode('0000000000000000', 'hex'), +'bf-ecb/pad:none'), 'hex'); + encode +------------------ + 4ef997456198dd78 +(1 row) + +SELECT encode(encrypt( +decode('ffffffffffffffff', 'hex'), +decode('ffffffffffffffff', 'hex'), +'bf-ecb/pad:none'), 'hex'); + encode +------------------ + 51866fd5b85ecb8a +(1 row) + +SELECT encode(encrypt( +decode('1000000000000001', 'hex'), +decode('3000000000000000', 'hex'), +'bf-ecb/pad:none'), 'hex'); + encode +------------------ + 7d856f9a613063f2 +(1 row) + +SELECT encode(encrypt( +decode('1111111111111111', 'hex'), +decode('1111111111111111', 'hex'), +'bf-ecb/pad:none'), 'hex'); + encode +------------------ + 2466dd878b963c9d +(1 row) + +SELECT encode(encrypt( +decode('0123456789abcdef', 'hex'), +decode('fedcba9876543210', 'hex'), +'bf-ecb/pad:none'), 'hex'); + encode +------------------ + 0aceab0fc6a0a28d +(1 row) + +SELECT encode(encrypt( +decode('01a1d6d039776742', 'hex'), +decode('fedcba9876543210', 'hex'), +'bf-ecb/pad:none'), 'hex'); + encode +------------------ + 3273b8badc9e9e15 +(1 row) + +SELECT encode(encrypt( +decode('ffffffffffffffff', 'hex'), +decode('0000000000000000', 'hex'), +'bf-ecb/pad:none'), 'hex'); + encode +------------------ + 014933e0cdaff6e4 +(1 row) + +-- setkey +SELECT encode(encrypt( +decode('fedcba9876543210', 'hex'), +decode('f0e1d2c3b4a5968778695a4b3c2d1e0f', 'hex'), +'bf-ecb/pad:none'), 'hex'); + encode +------------------ + 93142887ee3be15c +(1 row) + +-- with padding +SELECT encode(encrypt( +decode('01234567890123456789', 'hex'), +decode('33443344334433443344334433443344', 'hex'), +'bf-ecb'), 'hex'); + encode +---------------------------------- + 0d04a43a20456dee5ede6ed9e4dcaaa6 +(1 row) + +-- cbc +-- 28 bytes key +SELECT encode(encrypt( +decode('6b77b4d63006dee605b156e27403979358deb9e7154616d959f1652bd5', 'hex'), +decode('37363534333231204e6f77206973207468652074696d6520666f7220', 'hex'), +'bf-cbc'), 'hex'); + encode +------------------------------------------------------------------ + 4f2beb748c4f689ec755edb9dc252a41b93a3786850b4c75d6a702b6a8e48825 +(1 row) + +-- 29 bytes key +SELECT encode(encrypt( +decode('6b77b4d63006dee605b156e27403979358deb9e7154616d959f1652bd5ff92cc', 'hex'), +decode('37363534333231204e6f77206973207468652074696d6520666f722000', 'hex'), +'bf-cbc'), 'hex'); + encode +---------------------------------------------------------------------------------- + 3ea6357a0ee7fad6d0c4b63464f2aafa40c2e91b4b7e1bba8114932fd92b5c8f111e7e50e7b2e541 +(1 row) + +-- blowfish-448 +SELECT encode(encrypt( +decode('fedcba9876543210', 'hex'), +decode('f0e1d2c3b4a5968778695a4b3c2d1e0f001122334455667704689104c2fd3b2f584023641aba61761f1f1f1f0e0e0e0effffffffffffffff', 'hex'), +'bf-ecb/pad:none'), 'hex'); + encode +------------------ + c04504012e4e1f53 +(1 row) + +-- result: c04504012e4e1f53 +-- empty data +select encode(encrypt('', 'foo', 'bf'), 'hex'); + encode +------------------ + 1871949bb2311c8e +(1 row) + +-- 10 bytes key +select encode(encrypt('foo', '0123456789', 'bf'), 'hex'); + encode +------------------ + 42f58af3b2c03f46 +(1 row) + +-- 22 bytes key +select encode(encrypt('foo', '0123456789012345678901', 'bf'), 'hex'); + encode +------------------ + 86ab6f0bc72b5f22 +(1 row) + +-- decrypt +select decrypt(encrypt('foo', '0123456', 'bf'), '0123456', 'bf'); + decrypt +--------- + foo +(1 row) + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', 'bf'), 'hex'); + encode +------------------ + 95c7e89322525d59 +(1 row) + +select decrypt_iv(decode('95c7e89322525d59', 'hex'), '0123456', 'abcd', 'bf'); + decrypt_iv +------------ + foo +(1 row) + +-- long message +select encode(encrypt('Lets try a longer message.', '0123456789', 'bf'), 'hex'); + encode +------------------------------------------------------------------ + a76059f7a1b627b5b84080d9beb337714c7a7f8b70300023e5feb6dfa6813536 +(1 row) + +select decrypt(encrypt('Lets try a longer message.', '0123456789', 'bf'), '0123456789', 'bf'); + decrypt +---------------------------- + Lets try a longer message. +(1 row) + diff --git a/contrib/pgcrypto/expected/cast5.out b/contrib/pgcrypto/expected/cast5.out new file mode 100644 index 0000000..c1ecd91 --- /dev/null +++ b/contrib/pgcrypto/expected/cast5.out @@ -0,0 +1,88 @@ +-- +-- Cast5 cipher +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; +-- test vectors from RFC2144 +-- 128 bit key +SELECT encode(encrypt( +decode('01 23 45 67 89 AB CD EF', 'hex'), +decode('01 23 45 67 12 34 56 78 23 45 67 89 34 56 78 9A', 'hex'), +'cast5-ecb/pad:none'), 'hex'); + encode +------------------ + 238b4fe5847e44b2 +(1 row) + +-- result: 23 8B 4F E5 84 7E 44 B2 +-- 80 bit key +SELECT encode(encrypt( +decode('01 23 45 67 89 AB CD EF', 'hex'), +decode('01 23 45 67 12 34 56 78 23 45', 'hex'), +'cast5-ecb/pad:none'), 'hex'); + encode +------------------ + eb6a711a2c02271b +(1 row) + +-- result: EB 6A 71 1A 2C 02 27 1B +-- 40 bit key +SELECT encode(encrypt( +decode('01 23 45 67 89 AB CD EF', 'hex'), +decode('01 23 45 67 12', 'hex'), +'cast5-ecb/pad:none'), 'hex'); + encode +------------------ + 7ac816d16e9b302e +(1 row) + +-- result: 7A C8 16 D1 6E 9B 30 2E +-- cbc +-- empty data +select encode( encrypt('', 'foo', 'cast5'), 'hex'); + encode +------------------ + a48bd1aabde4de10 +(1 row) + +-- 10 bytes key +select encode( encrypt('foo', '0123456789', 'cast5'), 'hex'); + encode +------------------ + b07f19255e60cb6d +(1 row) + +-- decrypt +select decrypt(encrypt('foo', '0123456', 'cast5'), '0123456', 'cast5'); + decrypt +--------- + foo +(1 row) + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', 'cast5'), 'hex'); + encode +------------------ + 384a970695ce016a +(1 row) + +select decrypt_iv(decode('384a970695ce016a', 'hex'), + '0123456', 'abcd', 'cast5'); + decrypt_iv +------------ + foo +(1 row) + +-- long message +select encode(encrypt('Lets try a longer message.', '0123456789', 'cast5'), 'hex'); + encode +------------------------------------------------------------------ + 04fcffc91533e1505dadcb10766d9fed0937818e663e402384e049942ba60fff +(1 row) + +select decrypt(encrypt('Lets try a longer message.', '0123456789', 'cast5'), '0123456789', 'cast5'); + decrypt +---------------------------- + Lets try a longer message. +(1 row) + diff --git a/contrib/pgcrypto/expected/crypt-blowfish.out b/contrib/pgcrypto/expected/crypt-blowfish.out new file mode 100644 index 0000000..d79b0c0 --- /dev/null +++ b/contrib/pgcrypto/expected/crypt-blowfish.out @@ -0,0 +1,36 @@ +-- +-- crypt() and gen_salt(): bcrypt +-- +SELECT crypt('', '$2a$06$RQiOJ.3ELirrXwxIZY8q0O'); + crypt +-------------------------------------------------------------- + $2a$06$RQiOJ.3ELirrXwxIZY8q0OlGbBEpDmx7IRZlNYvGJ1SHXwNi2cEKK +(1 row) + +SELECT crypt('foox', '$2a$06$RQiOJ.3ELirrXwxIZY8q0O'); + crypt +-------------------------------------------------------------- + $2a$06$RQiOJ.3ELirrXwxIZY8q0OR3CVJrAfda1z26CCHPnB6mmVZD8p0/C +(1 row) + +-- error, salt too short: +SELECT crypt('foox', '$2a$'); +ERROR: invalid salt +-- error, first digit of count in salt invalid +SELECT crypt('foox', '$2a$40$RQiOJ.3ELirrXwxIZY8q0O'); +ERROR: invalid salt +-- error, count in salt too small +SELECT crypt('foox', '$2a$00$RQiOJ.3ELirrXwxIZY8q0O'); +ERROR: invalid salt +CREATE TABLE ctest (data text, res text, salt text); +INSERT INTO ctest VALUES ('password', '', ''); +UPDATE ctest SET salt = gen_salt('bf', 8); +UPDATE ctest SET res = crypt(data, salt); +SELECT res = crypt(data, res) AS "worked" +FROM ctest; + worked +-------- + t +(1 row) + +DROP TABLE ctest; diff --git a/contrib/pgcrypto/expected/crypt-des.out b/contrib/pgcrypto/expected/crypt-des.out new file mode 100644 index 0000000..a462dcd --- /dev/null +++ b/contrib/pgcrypto/expected/crypt-des.out @@ -0,0 +1,31 @@ +-- +-- crypt() and gen_salt(): crypt-des +-- +SELECT crypt('', 'NB'); + crypt +--------------- + NBPx/38Y48kHg +(1 row) + +SELECT crypt('foox', 'NB'); + crypt +--------------- + NB53EGGqrrb5E +(1 row) + +-- We are supposed to pass in a 2-character salt. +-- error since salt is too short: +SELECT crypt('password', 'a'); +ERROR: invalid salt +CREATE TABLE ctest (data text, res text, salt text); +INSERT INTO ctest VALUES ('password', '', ''); +UPDATE ctest SET salt = gen_salt('des'); +UPDATE ctest SET res = crypt(data, salt); +SELECT res = crypt(data, res) AS "worked" +FROM ctest; + worked +-------- + t +(1 row) + +DROP TABLE ctest; diff --git a/contrib/pgcrypto/expected/crypt-md5.out b/contrib/pgcrypto/expected/crypt-md5.out new file mode 100644 index 0000000..a1c8304 --- /dev/null +++ b/contrib/pgcrypto/expected/crypt-md5.out @@ -0,0 +1,27 @@ +-- +-- crypt() and gen_salt(): md5 +-- +SELECT crypt('', '$1$Szzz0yzz'); + crypt +------------------------------------ + $1$Szzz0yzz$To38XrR3BsbXQW2ZpfKjF1 +(1 row) + +SELECT crypt('foox', '$1$Szzz0yzz'); + crypt +------------------------------------ + $1$Szzz0yzz$IYL49cd3t9bllsA7Jmz1M1 +(1 row) + +CREATE TABLE ctest (data text, res text, salt text); +INSERT INTO ctest VALUES ('password', '', ''); +UPDATE ctest SET salt = gen_salt('md5'); +UPDATE ctest SET res = crypt(data, salt); +SELECT res = crypt(data, res) AS "worked" +FROM ctest; + worked +-------- + t +(1 row) + +DROP TABLE ctest; diff --git a/contrib/pgcrypto/expected/crypt-xdes.out b/contrib/pgcrypto/expected/crypt-xdes.out new file mode 100644 index 0000000..8cf9075 --- /dev/null +++ b/contrib/pgcrypto/expected/crypt-xdes.out @@ -0,0 +1,51 @@ +-- +-- crypt() and gen_salt(): extended des +-- +SELECT crypt('', '_J9..j2zz'); + crypt +---------------------- + _J9..j2zzR/nIRDK3pPc +(1 row) + +SELECT crypt('foox', '_J9..j2zz'); + crypt +---------------------- + _J9..j2zzAYKMvO2BYRY +(1 row) + +-- check XDES handling of keys longer than 8 chars +SELECT crypt('longlongpassword', '_J9..j2zz'); + crypt +---------------------- + _J9..j2zz4BeseiQNwUg +(1 row) + +-- error, salt too short +SELECT crypt('foox', '_J9..BWH'); +ERROR: invalid salt +-- error, count specified in the second argument is 0 +SELECT crypt('password', '_........'); +ERROR: crypt(3) returned NULL +-- error, count will wind up still being 0 due to invalid encoding +-- of the count: only chars ``./0-9A-Za-z' are valid +SELECT crypt('password', '_..!!!!!!'); +ERROR: crypt(3) returned NULL +-- count should be non-zero here, will work +SELECT crypt('password', '_/!!!!!!!'); + crypt +---------------------- + _/!!!!!!!zqM49hRzxko +(1 row) + +CREATE TABLE ctest (data text, res text, salt text); +INSERT INTO ctest VALUES ('password', '', ''); +UPDATE ctest SET salt = gen_salt('xdes', 1001); +UPDATE ctest SET res = crypt(data, salt); +SELECT res = crypt(data, res) AS "worked" +FROM ctest; + worked +-------- + t +(1 row) + +DROP TABLE ctest; diff --git a/contrib/pgcrypto/expected/des.out b/contrib/pgcrypto/expected/des.out new file mode 100644 index 0000000..d0fd004 --- /dev/null +++ b/contrib/pgcrypto/expected/des.out @@ -0,0 +1,63 @@ +-- +-- DES cipher +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; +-- no official test vectors atm +-- from blowfish.sql +SELECT encode(encrypt( +decode('0123456789abcdef', 'hex'), +decode('fedcba9876543210', 'hex'), +'des-ecb/pad:none'), 'hex'); + encode +------------------ + ed39d950fa74bcc4 +(1 row) + +-- empty data +select encode( encrypt('', 'foo', 'des'), 'hex'); + encode +------------------ + 752111e37a2d7ac3 +(1 row) + +-- 8 bytes key +select encode( encrypt('foo', '01234589', 'des'), 'hex'); + encode +------------------ + dec0f9c602b647a8 +(1 row) + +-- decrypt +select decrypt(encrypt('foo', '0123456', 'des'), '0123456', 'des'); + decrypt +--------- + foo +(1 row) + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', 'des'), 'hex'); + encode +------------------ + 50735067b073bb93 +(1 row) + +select decrypt_iv(decode('50735067b073bb93', 'hex'), '0123456', 'abcd', 'des'); + decrypt_iv +------------ + foo +(1 row) + +-- long message +select encode(encrypt('Lets try a longer message.', '01234567', 'des'), 'hex'); + encode +------------------------------------------------------------------ + 5ad146043e5f30967e06a0fcbae602daf4ff2a5fd0ed12d6c5913cf85f1e36ca +(1 row) + +select decrypt(encrypt('Lets try a longer message.', '01234567', 'des'), '01234567', 'des'); + decrypt +---------------------------- + Lets try a longer message. +(1 row) + diff --git a/contrib/pgcrypto/expected/hmac-md5.out b/contrib/pgcrypto/expected/hmac-md5.out new file mode 100644 index 0000000..9eded3b --- /dev/null +++ b/contrib/pgcrypto/expected/hmac-md5.out @@ -0,0 +1,72 @@ +-- +-- HMAC-MD5 +-- +SELECT encode(hmac( +'Hi There', +decode('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b', 'hex'), +'md5'), 'hex'); + encode +---------------------------------- + 9294727a3638bb1c13f48ef8158bfc9d +(1 row) + +-- 2 +SELECT encode(hmac( +'Jefe', +'what do ya want for nothing?', +'md5'), 'hex'); + encode +---------------------------------- + 813aead7c4a34bff01a16d61368e7c13 +(1 row) + +-- 3 +SELECT encode(hmac( +decode('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd', 'hex'), +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'md5'), 'hex'); + encode +---------------------------------- + 56be34521d144c88dbb8c733f0e8b3f6 +(1 row) + +-- 4 +SELECT encode(hmac( +decode('cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd', 'hex'), +decode('0102030405060708090a0b0c0d0e0f10111213141516171819', 'hex'), +'md5'), 'hex'); + encode +---------------------------------- + 697eaf0aca3a3aea3a75164746ffaa79 +(1 row) + +-- 5 +SELECT encode(hmac( +'Test With Truncation', +decode('0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c', 'hex'), +'md5'), 'hex'); + encode +---------------------------------- + 56461ef2342edc00f9bab995690efd4c +(1 row) + +-- 6 +SELECT encode(hmac( +'Test Using Larger Than Block-Size Key - Hash Key First', +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'md5'), 'hex'); + encode +---------------------------------- + 6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd +(1 row) + +-- 7 +SELECT encode(hmac( +'Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data', +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'md5'), 'hex'); + encode +---------------------------------- + 6f630fad67cda0ee1fb1f562db3aa53e +(1 row) + diff --git a/contrib/pgcrypto/expected/hmac-sha1.out b/contrib/pgcrypto/expected/hmac-sha1.out new file mode 100644 index 0000000..de605b8 --- /dev/null +++ b/contrib/pgcrypto/expected/hmac-sha1.out @@ -0,0 +1,72 @@ +-- +-- HMAC-SHA1 +-- +SELECT encode(hmac( +'Hi There', +decode('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b', 'hex'), +'sha1'), 'hex'); + encode +------------------------------------------ + 675b0b3a1b4ddf4e124872da6c2f632bfed957e9 +(1 row) + +-- 2 +SELECT encode(hmac( +'Jefe', +'what do ya want for nothing?', +'sha1'), 'hex'); + encode +------------------------------------------ + 156d4c35468a0339f3fa57a067bf47f814eb7a57 +(1 row) + +-- 3 +SELECT encode(hmac( +decode('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd', 'hex'), +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'sha1'), 'hex'); + encode +------------------------------------------ + d730594d167e35d5956fd8003d0db3d3f46dc7bb +(1 row) + +-- 4 +SELECT encode(hmac( +decode('cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd', 'hex'), +decode('0102030405060708090a0b0c0d0e0f10111213141516171819', 'hex'), +'sha1'), 'hex'); + encode +------------------------------------------ + 4c9007f4026250c6bc8414f9bf50c86c2d7235da +(1 row) + +-- 5 +SELECT encode(hmac( +'Test With Truncation', +decode('0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c', 'hex'), +'sha1'), 'hex'); + encode +------------------------------------------ + 37268b7e21e84da5720c53c4ba03ad1104039fa7 +(1 row) + +-- 6 +SELECT encode(hmac( +'Test Using Larger Than Block-Size Key - Hash Key First', +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'sha1'), 'hex'); + encode +------------------------------------------ + aa4ae5e15272d00e95705637ce8a3b55ed402112 +(1 row) + +-- 7 +SELECT encode(hmac( +'Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data', +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'sha1'), 'hex'); + encode +------------------------------------------ + e8e99d0f45237d786d6bbaa7965c7808bbff1a91 +(1 row) + diff --git a/contrib/pgcrypto/expected/init.out b/contrib/pgcrypto/expected/init.out new file mode 100644 index 0000000..bd8f8e1 --- /dev/null +++ b/contrib/pgcrypto/expected/init.out @@ -0,0 +1,28 @@ +-- +-- init pgcrypto +-- +CREATE EXTENSION pgcrypto; +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; +-- check for encoding fn's +SELECT encode('foo', 'hex'); + encode +-------- + 666f6f +(1 row) + +SELECT decode('666f6f', 'hex'); + decode +-------- + foo +(1 row) + +-- check error handling +select gen_salt('foo'); +ERROR: gen_salt: Unknown salt algorithm +select digest('foo', 'foo'); +ERROR: Cannot use "foo": No such hash algorithm +select hmac('foo', 'foo', 'foo'); +ERROR: Cannot use "foo": No such hash algorithm +select encrypt('foo', 'foo', 'foo'); +ERROR: Cannot use "foo": No such cipher algorithm diff --git a/contrib/pgcrypto/expected/md5.out b/contrib/pgcrypto/expected/md5.out new file mode 100644 index 0000000..e3301af --- /dev/null +++ b/contrib/pgcrypto/expected/md5.out @@ -0,0 +1,45 @@ +-- +-- MD5 message digest +-- +SELECT encode(digest('', 'md5'), 'hex'); + encode +---------------------------------- + d41d8cd98f00b204e9800998ecf8427e +(1 row) + +SELECT encode(digest('a', 'md5'), 'hex'); + encode +---------------------------------- + 0cc175b9c0f1b6a831c399e269772661 +(1 row) + +SELECT encode(digest('abc', 'md5'), 'hex'); + encode +---------------------------------- + 900150983cd24fb0d6963f7d28e17f72 +(1 row) + +SELECT encode(digest('message digest', 'md5'), 'hex'); + encode +---------------------------------- + f96b697d7cb7938d525a2f31aaf161d0 +(1 row) + +SELECT encode(digest('abcdefghijklmnopqrstuvwxyz', 'md5'), 'hex'); + encode +---------------------------------- + c3fcd3d76192e4007dfb496cca67e13b +(1 row) + +SELECT encode(digest('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', 'md5'), 'hex'); + encode +---------------------------------- + d174ab98d277d9f5a5611c2c9f419d9f +(1 row) + +SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'md5'), 'hex'); + encode +---------------------------------- + 57edf4a22be3c955ac49da2e2107b67a +(1 row) + diff --git a/contrib/pgcrypto/expected/pgp-armor.out b/contrib/pgcrypto/expected/pgp-armor.out new file mode 100644 index 0000000..89d410a --- /dev/null +++ b/contrib/pgcrypto/expected/pgp-armor.out @@ -0,0 +1,372 @@ +-- +-- PGP Armor +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; +select armor(''); + armor +----------------------------- + -----BEGIN PGP MESSAGE-----+ + + + =twTO + + -----END PGP MESSAGE----- + + +(1 row) + +select armor('test'); + armor +----------------------------- + -----BEGIN PGP MESSAGE-----+ + + + dGVzdA== + + =+G7Q + + -----END PGP MESSAGE----- + + +(1 row) + +select dearmor(armor('')); + dearmor +--------- + +(1 row) + +select dearmor(armor('zooka')); + dearmor +--------- + zooka +(1 row) + +select armor('0123456789abcdef0123456789abcdef0123456789abcdef +0123456789abcdef0123456789abcdef0123456789abcdef'); + armor +------------------------------------------------------------------------------ + -----BEGIN PGP MESSAGE----- + + + + MDEyMzQ1Njc4OWFiY2RlZjAxMjM0NTY3ODlhYmNkZWYwMTIzNDU2Nzg5YWJjZGVmCjAxMjM0NTY3+ + ODlhYmNkZWYwMTIzNDU2Nzg5YWJjZGVmMDEyMzQ1Njc4OWFiY2RlZg== + + =JFw5 + + -----END PGP MESSAGE----- + + +(1 row) + +-- lots formatting +select dearmor(' a pgp msg: + +-----BEGIN PGP MESSAGE----- +Comment: Some junk + +em9va2E= + + =D5cR + +-----END PGP MESSAGE-----'); + dearmor +--------- + zooka +(1 row) + +-- lots messages +select dearmor(' +wrong packet: + -----BEGIN PGP MESSAGE----- + + d3Jvbmc= + =vCYP + -----END PGP MESSAGE----- + +right packet: +-----BEGIN PGP MESSAGE----- + +cmlnaHQ= +=nbpj +-----END PGP MESSAGE----- + +use only first packet +-----BEGIN PGP MESSAGE----- + +d3Jvbmc= +=vCYP +-----END PGP MESSAGE----- +'); + dearmor +--------- + right +(1 row) + +-- bad crc +select dearmor(' +-----BEGIN PGP MESSAGE----- + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); +ERROR: Corrupt ascii-armor +-- corrupt (no space after the colon) +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +foo: + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); +ERROR: Corrupt ascii-armor +-- corrupt (no empty line) +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); +ERROR: Corrupt ascii-armor +-- no headers +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + key | value +-----+------- +(0 rows) + +-- header with empty value +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +foo: + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + key | value +-----+------- + foo | +(1 row) + +-- simple +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +fookey: foovalue +barkey: barvalue + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + key | value +--------+---------- + fookey | foovalue + barkey | barvalue +(2 rows) + +-- insane keys, part 1 +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +insane:key : + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + key | value +-------------+------- + insane:key | +(1 row) + +-- insane keys, part 2 +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +insane:key : text value here + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + key | value +-------------+----------------- + insane:key | text value here +(1 row) + +-- long value +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +long: this value is more than 76 characters long, but it should still parse correctly as that''s permitted by RFC 4880 + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + key | value +------+----------------------------------------------------------------------------------------------------------------- + long | this value is more than 76 characters long, but it should still parse correctly as that's permitted by RFC 4880 +(1 row) + +-- long value, split up +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +long: this value is more than 76 characters long, but it should still +long: parse correctly as that''s permitted by RFC 4880 + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + key | value +------+------------------------------------------------------------------ + long | this value is more than 76 characters long, but it should still + long | parse correctly as that's permitted by RFC 4880 +(2 rows) + +-- long value, split up, part 2 +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +long: this value is more than +long: 76 characters long, but it should still +long: parse correctly as that''s permitted by RFC 4880 + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + key | value +------+------------------------------------------------- + long | this value is more than + long | 76 characters long, but it should still + long | parse correctly as that's permitted by RFC 4880 +(3 rows) + +-- long value, split up, part 3 +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +emptykey: +long: this value is more than +emptykey: +long: 76 characters long, but it should still +emptykey: +long: parse correctly as that''s permitted by RFC 4880 +emptykey: + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + key | value +----------+------------------------------------------------- + emptykey | + long | this value is more than + emptykey | + long | 76 characters long, but it should still + emptykey | + long | parse correctly as that's permitted by RFC 4880 + emptykey | +(7 rows) + +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.blowfish.sha1.mdc.s2k3.z0 + +jA0EBAMCfFNwxnvodX9g0jwB4n4s26/g5VmKzVab1bX1SmwY7gvgvlWdF3jKisvS +yA6Ce1QTMK3KdL2MPfamsTUSAML8huCJMwYQFfE= +=JcP+ +-----END PGP MESSAGE----- +'); + key | value +---------+-------------------------------- + Comment | dat1.blowfish.sha1.mdc.s2k3.z0 +(1 row) + +-- test CR+LF line endings +select * from pgp_armor_headers(replace(' +-----BEGIN PGP MESSAGE----- +fookey: foovalue +barkey: barvalue + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +', E'\n', E'\r\n')); + key | value +--------+---------- + fookey | foovalue + barkey | barvalue +(2 rows) + +-- test header generation +select armor('zooka', array['foo'], array['bar']); + armor +----------------------------- + -----BEGIN PGP MESSAGE-----+ + foo: bar + + + + em9va2E= + + =D5cR + + -----END PGP MESSAGE----- + + +(1 row) + +select armor('zooka', array['Version', 'Comment'], array['Created by pgcrypto', 'PostgreSQL, the world''s most advanced open source database']); + armor +--------------------------------------------------------------------- + -----BEGIN PGP MESSAGE----- + + Version: Created by pgcrypto + + Comment: PostgreSQL, the world's most advanced open source database+ + + + em9va2E= + + =D5cR + + -----END PGP MESSAGE----- + + +(1 row) + +select * from pgp_armor_headers( + armor('zooka', array['Version', 'Comment'], + array['Created by pgcrypto', 'PostgreSQL, the world''s most advanced open source database'])); + key | value +---------+------------------------------------------------------------ + Version | Created by pgcrypto + Comment | PostgreSQL, the world's most advanced open source database +(2 rows) + +-- error/corner cases +select armor('', array['foo'], array['too', 'many']); +ERROR: mismatched array dimensions +select armor('', array['too', 'many'], array['foo']); +ERROR: mismatched array dimensions +select armor('', array[['']], array['foo']); +ERROR: wrong number of array subscripts +select armor('', array['foo'], array[['']]); +ERROR: wrong number of array subscripts +select armor('', array[null], array['foo']); +ERROR: null value not allowed for header key +select armor('', array['foo'], array[null]); +ERROR: null value not allowed for header value +select armor('', '[0:0]={"foo"}', array['foo']); + armor +----------------------------- + -----BEGIN PGP MESSAGE-----+ + foo: foo + + + + =twTO + + -----END PGP MESSAGE----- + + +(1 row) + +select armor('', array['foo'], '[0:0]={"foo"}'); + armor +----------------------------- + -----BEGIN PGP MESSAGE-----+ + foo: foo + + + + =twTO + + -----END PGP MESSAGE----- + + +(1 row) + +select armor('', array[E'embedded\nnewline'], array['foo']); +ERROR: header key must not contain newlines +select armor('', array['foo'], array[E'embedded\nnewline']); +ERROR: header value must not contain newlines +select armor('', array['embedded: colon+space'], array['foo']); +ERROR: header key must not contain ": " diff --git a/contrib/pgcrypto/expected/pgp-compression.out b/contrib/pgcrypto/expected/pgp-compression.out new file mode 100644 index 0000000..d4c57fe --- /dev/null +++ b/contrib/pgcrypto/expected/pgp-compression.out @@ -0,0 +1,80 @@ +-- +-- PGP compression support +-- +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- + +ww0ECQMCsci6AdHnELlh0kQB4jFcVwHMJg0Bulop7m3Mi36s15TAhBo0AnzIrRFrdLVCkKohsS6+ +DMcmR53SXfLoDJOv/M8uKj3QSq7oWNIp95pxfA== +=tbSn +-----END PGP MESSAGE----- +'), 'key', 'expect-compress-algo=1'); + pgp_sym_decrypt +----------------- + Secret message +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret message', 'key', 'compress-algo=0'), + 'key', 'expect-compress-algo=0'); + pgp_sym_decrypt +----------------- + Secret message +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret message', 'key', 'compress-algo=1'), + 'key', 'expect-compress-algo=1'); + pgp_sym_decrypt +----------------- + Secret message +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret message', 'key', 'compress-algo=2'), + 'key', 'expect-compress-algo=2'); + pgp_sym_decrypt +----------------- + Secret message +(1 row) + +-- level=0 should turn compression off +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret message', 'key', + 'compress-algo=2, compress-level=0'), + 'key', 'expect-compress-algo=0'); + pgp_sym_decrypt +----------------- + Secret message +(1 row) + +-- check corner case involving an input string of 16kB, as per bug #16476. +SELECT setseed(0); + setseed +--------- + +(1 row) + +WITH random_string AS +( + -- This generates a random string of 16366 bytes. This is chosen + -- as random so that it does not get compressed, and the decompression + -- would work on a string with the same length as the origin, making the + -- test behavior more predictible. lpad() ensures that the generated + -- hexadecimal value is completed by extra zero characters if random() + -- has generated a value strictly lower than 16. + SELECT string_agg(decode(lpad(to_hex((random()*256)::int), 2, '0'), 'hex'), '') as bytes + FROM generate_series(0, 16365) +) +SELECT bytes = + pgp_sym_decrypt_bytea( + pgp_sym_encrypt_bytea(bytes, 'key', + 'compress-algo=1,compress-level=1'), + 'key', 'expect-compress-algo=1') + AS is_same + FROM random_string; + is_same +--------- + t +(1 row) + diff --git a/contrib/pgcrypto/expected/pgp-decrypt.out b/contrib/pgcrypto/expected/pgp-decrypt.out new file mode 100644 index 0000000..e8250b0 --- /dev/null +++ b/contrib/pgcrypto/expected/pgp-decrypt.out @@ -0,0 +1,425 @@ +-- +-- pgp decrypt tests +-- +-- Checking ciphers +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.blowfish.sha1.mdc.s2k3.z0 + +jA0EBAMCfFNwxnvodX9g0jwB4n4s26/g5VmKzVab1bX1SmwY7gvgvlWdF3jKisvS +yA6Ce1QTMK3KdL2MPfamsTUSAML8huCJMwYQFfE= +=JcP+ +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCci97v0Q6Z0Zg0kQBsVf5Oe3iC+FBzUmuMV9KxmAyOMyjCc/5i8f1Eest +UTAsG35A1vYs02VARKzGz6xI2UHwFUirP+brPBg3Ee7muOx8pA== +=XtrP +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes192.sha1.mdc.s2k3.z0 + +jA0ECAMCI7YQpWqp3D1g0kQBCjB7GlX7+SQeXNleXeXQ78ZAPNliquGDq9u378zI +5FPTqAhIB2/2fjY8QEIs1ai00qphjX2NitxV/3Wn+6dufB4Q4g== +=rCZt +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes256.sha1.mdc.s2k3.z0 + +jA0ECQMC4f/5djqCC1Rg0kQBTHEPsD+Sw7biBsM2er3vKyGPAQkuTBGKC5ie7hT/ +lceMfQdbAg6oTFyJpk/wH18GzRDphCofg0X8uLgkAKMrpcmgog== +=fB6S +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +-- Checking MDC modes +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.nomdc.s2k3.z0 + +jA0EBwMCnv07rlXqWctgyS2Dm2JfOKCRL4sLSLJUC8RS2cH7cIhKSuLitOtyquB+ +u9YkgfJfsuRJmgQ9tmo= +=60ui +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCEeP3idNjQ1Bg0kQBf4G0wX+2QNzLh2YNwYkQgQkfYhn/hLXjV4nK9nsE +8Ex1Dsdt5UPvOz8W8VKQRS6loOfOe+yyXil8W3IYFwUpdDUi+Q== +=moGf +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +-- Checking hashes +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.md5.mdc.s2k3.z0 + +jA0EBwMClrXXtOXetohg0kQBn0Kl1ymevQZRHkdoYRHgzCwSQEiss7zYff2UNzgO +KyRrHf7zEBuZiZ2AG34jNVMOLToj1jJUg5zTSdecUzQVCykWTA== +=NyLk +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCApbdlrURoWJg0kQBzHM/E0o7djY82bNuspjxjAcPFrrtp0uvDdMQ4z2m +/PM8jhgI5vxFYfNQjLl8y3fHYIomk9YflN9K/Q13iq8A8sjeTw== +=FxbQ +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +-- Checking S2K modes +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k0.z0 + +jAQEBwAC0kQBKTaLAKE3xzps+QIZowqRNb2eAdzBw2LxEW2YD5PgNlbhJdGg+dvw +Ah9GXjGS1TVALzTImJbz1uHUZRfhJlFbc5yGQw== +=YvkV +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k1.z0 + +jAwEBwEC/QTByBLI3b/SRAHPxKzI6SZBo5lAEOD+EsvKQWO4adL9tDY+++Iqy1xK +4IaWXVKEj9R2Lr2xntWWMGZtcKtjD2lFFRXXd9dZp1ZThNDz +=dbXm +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCEq4Su3ZqNEJg0kQB4QG5jBTKF0i04xtH+avzmLhstBNRxvV3nsmB3cwl +z+9ZaA/XdSx5ZiFnMym8P6r8uY9rLjjNptvvRHlxIReF+p9MNg== +=VJKg +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes192.sha1.mdc.s2k0.z0 + +jAQECAAC0kQBBDnQWkgsx9YFaqDfWmpsiyAJ6y2xG/sBvap1dySYEMuZ+wJTXQ9E +Cr3i2M7TgVZ0M4jp4QL0adG1lpN5iK7aQeOwMw== +=cg+i +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes192.sha1.mdc.s2k1.z0 + +jAwECAECruOfyNDFiTnSRAEVoGXm4A9UZKkWljdzjEO/iaE7mIraltIpQMkiqCh9 +7h8uZ2u9uRBOv222fZodGvc6bvq/4R4hAa/6qSHtm8mdmvGt +=aHmC +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes192.sha1.mdc.s2k3.z0 + +jA0ECAMCjFn6SRi3SONg0kQBqtSHPaD0m7rXfDAhCWU/ypAsI93GuHGRyM99cvMv +q6eF6859ZVnli3BFSDSk3a4e/pXhglxmDYCfjAXkozKNYLo6yw== +=K0LS +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes256.sha1.mdc.s2k0.z0 + +jAQECQAC0kQB4L1eMbani07XF2ZYiXNK9LW3v8w41oUPl7dStmrJPQFwsdxmrDHu +rQr3WbdKdY9ufjOE5+mXI+EFkSPrF9rL9NCq6w== +=RGts +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes256.sha1.mdc.s2k1.z0 + +jAwECQECKHhrou7ZOIXSRAHWIVP+xjVQcjAVBTt+qh9SNzYe248xFTwozkwev3mO ++KVJW0qhk0An+Y2KF99/bYFl9cL5D3Tl43fC8fXGl3x3m7pR +=SUrU +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes256.sha1.mdc.s2k3.z0 + +jA0ECQMCjc8lwZu8Fz1g0kQBkEzjImi21liep5jj+3dAJ2aZFfUkohi8b3n9z+7+ +4+NRzL7cMW2RLAFnJbiqXDlRHMwleeuLN1up2WIxsxtYYuaBjA== +=XZrG +-----END PGP MESSAGE----- +'), 'foobar'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +-- Checking longer passwords +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCx6dBiuqrYNRg0kQBEo63AvA1SCslxP7ayanLf1H0/hlk2nONVhTwVEWi +tTGup1mMz6Cfh1uDRErUuXpx9A0gdMu7zX0o5XjrL7WGDAZdSw== +=XKKG +-----END PGP MESSAGE----- +'), '0123456789abcdefghij'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCBDvYuS990iFg0kQBW31UK5OiCjWf5x6KJ8qNNT2HZWQCjCBZMU0XsOC6 +CMxFKadf144H/vpoV9GA0f22keQgCl0EsTE4V4lweVOPTKCMJg== +=gWDh +-----END PGP MESSAGE----- +'), '0123456789abcdefghij2jk4h5g2j54khg23h54g2kh54g2khj54g23hj54'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCqXbFafC+ofVg0kQBejyiPqH0QMERVGfmPOjtAxvyG5KDIJPYojTgVSDt +FwsDabdQUz5O7bgNSnxfmyw1OifGF+W2bIn/8W+0rDf8u3+O+Q== +=OxOF +-----END PGP MESSAGE----- +'), 'x'); + pgp_sym_decrypt +----------------- + Secret message. +(1 row) + +-- Checking various data +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCGJ+SpuOysINg0kQBJfSjzsW0x4OVcAyr17O7FBvMTwIGeGcJd99oTQU8 +Xtx3kDqnhUq9Z1fS3qPbi5iNP2A9NxOBxPWz2JzxhydANlgbxg== +=W/ik +-----END PGP MESSAGE----- +'), '0123456789abcdefghij'), 'sha1'), 'hex'); + encode +------------------------------------------ + 0225e3ede6f2587b076d021a189ff60aad67e066 +(1 row) + +-- expected: 0225e3ede6f2587b076d021a189ff60aad67e066 +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat2.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCvdpDvidNzMxg0jUBvj8eS2+1t/9/zgemxvhtc0fvdKGGbjH7dleaTJRB +SaV9L04ky1qECNDx3XjnoKLC+H7IOQ== +=Fxen +-----END PGP MESSAGE----- +'), '0123456789abcdefghij'), 'sha1'), 'hex'); + encode +------------------------------------------ + da39a3ee5e6b4b0d3255bfef95601890afd80709 +(1 row) + +-- expected: da39a3ee5e6b4b0d3255bfef95601890afd80709 +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat3.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCxQvxJZ3G/HRg0lgBeYmTa7/uDAjPyFwSX4CYBgpZWVn/JS8JzILrcWF8 +gFnkUKIE0PSaYFp+Yi1VlRfUtRQ/X/LYNGa7tWZS+4VQajz2Xtz4vUeAEiYFYPXk +73Hb8m1yRhQK +=ivrD +-----END PGP MESSAGE----- +'), '0123456789abcdefghij'), 'sha1'), 'hex'); + encode +------------------------------------------ + 5e5c135efc0dd00633efc6dfd6e731ea408a5b4c +(1 row) + +-- expected: 5e5c135efc0dd00633efc6dfd6e731ea408a5b4c +-- Checking CRLF +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: crlf mess + +ww0ECQMCt7VAtby6l4Bi0lgB5KMIZiiF/b3CfMfUyY0eDncsGXtkbu1X+l9brjpMP8eJnY79Amms +a3nsOzKTXUfS9VyaXo8IrncM6n7fdaXpwba/3tNsAhJG4lDv1k4g9v8Ix2dfv6Rs +=mBP9 +-----END PGP MESSAGE----- +'), 'key', 'convert-crlf=0'), 'sha1'), 'hex'); + encode +------------------------------------------ + 9353062be7720f1446d30b9e75573a4833886784 +(1 row) + +-- expected: 9353062be7720f1446d30b9e75573a4833886784 +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: crlf mess + +ww0ECQMCt7VAtby6l4Bi0lgB5KMIZiiF/b3CfMfUyY0eDncsGXtkbu1X+l9brjpMP8eJnY79Amms +a3nsOzKTXUfS9VyaXo8IrncM6n7fdaXpwba/3tNsAhJG4lDv1k4g9v8Ix2dfv6Rs +=mBP9 +-----END PGP MESSAGE----- +'), 'key', 'convert-crlf=1'), 'sha1'), 'hex'); + encode +------------------------------------------ + 7efefcab38467f7484d6fa43dc86cf5281bd78e2 +(1 row) + +-- expected: 7efefcab38467f7484d6fa43dc86cf5281bd78e2 +-- check BUG #11905, problem with messages 6 less than a power of 2. +select pgp_sym_decrypt(pgp_sym_encrypt(repeat('x',65530),'1'),'1') = repeat('x',65530); + ?column? +---------- + t +(1 row) + +-- expected: true +-- Negative tests +-- Decryption with a certain incorrect key yields an apparent Literal Data +-- packet reporting its content to be binary data. Ciphertext source: +-- iterative pgp_sym_encrypt('secret', 'key') until the random prefix gave +-- rise to that property. +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- + +ww0EBwMCxf8PTrQBmJdl0jcB6y2joE7GSLKRv7trbNsF5Z8ou5NISLUg31llVH/S0B2wl4bvzZjV +VsxxqLSPzNLAeIspJk5G +=mSd/ +-----END PGP MESSAGE----- +'), 'wrong-key', 'debug=1'); +NOTICE: dbg: prefix_init: corrupt prefix +NOTICE: dbg: parse_literal_data: data type=b +NOTICE: dbg: mdcbuf_finish: bad MDC pkt hdr +ERROR: Wrong key or corrupt data +-- Routine text/binary mismatch. +select pgp_sym_decrypt(pgp_sym_encrypt_bytea('P', 'key'), 'key', 'debug=1'); +NOTICE: dbg: parse_literal_data: data type=b +ERROR: Not text data +-- Decryption with a certain incorrect key yields an apparent BZip2-compressed +-- plaintext. Ciphertext source: iterative pgp_sym_encrypt('secret', 'key') +-- until the random prefix gave rise to that property. +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- + +ww0EBwMC9rK/dMkF5Zlt0jcBlzAQ1mQY2qYbKYbw8h3EZ5Jk0K2IiY92R82TRhWzBIF/8cmXDPtP +GXsd65oYJZp3Khz0qfyn +=Nmpq +-----END PGP MESSAGE----- +'), 'wrong-key', 'debug=1'); +NOTICE: dbg: prefix_init: corrupt prefix +NOTICE: dbg: parse_compressed_data: bzip2 unsupported +NOTICE: dbg: mdcbuf_finish: bad MDC pkt hdr +ERROR: Wrong key or corrupt data +-- Routine use of BZip2 compression. Ciphertext source: +-- echo x | gpg --homedir /nonexistent --personal-compress-preferences bzip2 \ +-- --personal-cipher-preferences aes --no-emit-version --batch \ +-- --symmetric --passphrase key --armor +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- + +jA0EBwMCRhFrAKNcLVJg0mMBLJG1cCASNk/x/3dt1zJ+2eo7jHfjgg3N6wpB3XIe +QCwkWJwlBG5pzbO5gu7xuPQN+TbPJ7aQ2sLx3bAHhtYb0i3vV9RO10Gw++yUyd4R +UCAAw2JRIISttRHMfDpDuZJpvYo= +=AZ9M +-----END PGP MESSAGE----- +'), 'key', 'debug=1'); +NOTICE: dbg: parse_compressed_data: bzip2 unsupported +ERROR: Unsupported compression algorithm diff --git a/contrib/pgcrypto/expected/pgp-encrypt.out b/contrib/pgcrypto/expected/pgp-encrypt.out new file mode 100644 index 0000000..8fc558c --- /dev/null +++ b/contrib/pgcrypto/expected/pgp-encrypt.out @@ -0,0 +1,210 @@ +-- +-- PGP encrypt +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; +select pgp_sym_decrypt(pgp_sym_encrypt('Secret.', 'key'), 'key'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- check whether the defaults are ok +select pgp_sym_decrypt(pgp_sym_encrypt('Secret.', 'key'), + 'key', 'expect-cipher-algo=aes128, + expect-disable-mdc=0, + expect-sess-key=0, + expect-s2k-mode=3, + expect-s2k-digest-algo=sha1, + expect-compress-algo=0 + '); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- maybe the expect- stuff simply does not work +select pgp_sym_decrypt(pgp_sym_encrypt('Secret.', 'key'), + 'key', 'expect-cipher-algo=bf, + expect-disable-mdc=1, + expect-sess-key=1, + expect-s2k-mode=0, + expect-s2k-digest-algo=md5, + expect-compress-algo=1 + '); +NOTICE: pgp_decrypt: unexpected cipher_algo: expected 4 got 7 +NOTICE: pgp_decrypt: unexpected s2k_mode: expected 0 got 3 +NOTICE: pgp_decrypt: unexpected s2k_digest_algo: expected 1 got 2 +NOTICE: pgp_decrypt: unexpected use_sess_key: expected 1 got 0 +NOTICE: pgp_decrypt: unexpected disable_mdc: expected 1 got 0 +NOTICE: pgp_decrypt: unexpected compress_algo: expected 1 got 0 + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- bytea as text +select pgp_sym_decrypt(pgp_sym_encrypt_bytea('Binary', 'baz'), 'baz'); +ERROR: Not text data +-- text as bytea +select pgp_sym_decrypt_bytea(pgp_sym_encrypt('Text', 'baz'), 'baz'); + pgp_sym_decrypt_bytea +----------------------- + Text +(1 row) + +-- algorithm change +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'cipher-algo=bf'), + 'key', 'expect-cipher-algo=bf'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'cipher-algo=aes'), + 'key', 'expect-cipher-algo=aes128'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'cipher-algo=aes192'), + 'key', 'expect-cipher-algo=aes192'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- s2k change +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-mode=0'), + 'key', 'expect-s2k-mode=0'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-mode=1'), + 'key', 'expect-s2k-mode=1'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-mode=3'), + 'key', 'expect-s2k-mode=3'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- s2k count change +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-count=1024'), + 'key', 'expect-s2k-count=1024'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- s2k_count rounds up +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-count=65000000'), + 'key', 'expect-s2k-count=65000000'); +NOTICE: pgp_decrypt: unexpected s2k_count: expected 65000000 got 65011712 + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- s2k digest change +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-digest-algo=md5'), + 'key', 'expect-s2k-digest-algo=md5'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-digest-algo=sha1'), + 'key', 'expect-s2k-digest-algo=sha1'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- sess key +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=0'), + 'key', 'expect-sess-key=0'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=1'), + 'key', 'expect-sess-key=1'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=1, cipher-algo=bf'), + 'key', 'expect-sess-key=1, expect-cipher-algo=bf'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=1, cipher-algo=aes192'), + 'key', 'expect-sess-key=1, expect-cipher-algo=aes192'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=1, cipher-algo=aes256'), + 'key', 'expect-sess-key=1, expect-cipher-algo=aes256'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- no mdc +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'disable-mdc=1'), + 'key', 'expect-disable-mdc=1'); + pgp_sym_decrypt +----------------- + Secret. +(1 row) + +-- crlf +select encode(pgp_sym_decrypt_bytea( + pgp_sym_encrypt(E'1\n2\n3\r\n', 'key', 'convert-crlf=1'), + 'key'), 'hex'); + encode +---------------------- + 310d0a320d0a330d0d0a +(1 row) + +-- conversion should be lossless +select encode(digest(pgp_sym_decrypt( + pgp_sym_encrypt(E'\r\n0\n1\r\r\n\n2\r', 'key', 'convert-crlf=1'), + 'key', 'convert-crlf=1'), 'sha1'), 'hex') as result, + encode(digest(E'\r\n0\n1\r\r\n\n2\r', 'sha1'), 'hex') as expect; + result | expect +------------------------------------------+------------------------------------------ + 47bde5d88d6ef8770572b9cbb4278b402aa69966 | 47bde5d88d6ef8770572b9cbb4278b402aa69966 +(1 row) + diff --git a/contrib/pgcrypto/expected/pgp-info.out b/contrib/pgcrypto/expected/pgp-info.out new file mode 100644 index 0000000..9064838 --- /dev/null +++ b/contrib/pgcrypto/expected/pgp-info.out @@ -0,0 +1,79 @@ +-- +-- PGP info functions +-- +-- pgp_key_id +select pgp_key_id(dearmor(pubkey)) from keytbl where id=1; + pgp_key_id +------------------ + D936CF64BB73F466 +(1 row) + +select pgp_key_id(dearmor(pubkey)) from keytbl where id=2; + pgp_key_id +------------------ + 2C226E1FFE5CC7D4 +(1 row) + +select pgp_key_id(dearmor(pubkey)) from keytbl where id=3; + pgp_key_id +------------------ + B68504FD128E1FF9 +(1 row) + +select pgp_key_id(dearmor(pubkey)) from keytbl where id=4; -- should fail +ERROR: No encryption key found +select pgp_key_id(dearmor(pubkey)) from keytbl where id=5; + pgp_key_id +------------------ + D936CF64BB73F466 +(1 row) + +select pgp_key_id(dearmor(pubkey)) from keytbl where id=6; + pgp_key_id +------------------ + FD0206C409B74875 +(1 row) + +select pgp_key_id(dearmor(seckey)) from keytbl where id=1; + pgp_key_id +------------------ + D936CF64BB73F466 +(1 row) + +select pgp_key_id(dearmor(seckey)) from keytbl where id=2; + pgp_key_id +------------------ + 2C226E1FFE5CC7D4 +(1 row) + +select pgp_key_id(dearmor(seckey)) from keytbl where id=3; + pgp_key_id +------------------ + B68504FD128E1FF9 +(1 row) + +select pgp_key_id(dearmor(seckey)) from keytbl where id=4; -- should fail +ERROR: No encryption key found +select pgp_key_id(dearmor(seckey)) from keytbl where id=5; + pgp_key_id +------------------ + D936CF64BB73F466 +(1 row) + +select pgp_key_id(dearmor(seckey)) from keytbl where id=6; + pgp_key_id +------------------ + FD0206C409B74875 +(1 row) + +select pgp_key_id(dearmor(data)) as data_key_id +from encdata order by id; + data_key_id +------------------ + D936CF64BB73F466 + 2C226E1FFE5CC7D4 + B68504FD128E1FF9 + FD0206C409B74875 + FD0206C409B74875 +(5 rows) + diff --git a/contrib/pgcrypto/expected/pgp-pubkey-decrypt.out b/contrib/pgcrypto/expected/pgp-pubkey-decrypt.out new file mode 100644 index 0000000..b4b6810 --- /dev/null +++ b/contrib/pgcrypto/expected/pgp-pubkey-decrypt.out @@ -0,0 +1,656 @@ +-- +-- PGP Public Key Encryption +-- +-- As most of the low-level stuff is tested in symmetric key +-- tests, here's only public-key specific tests +create table keytbl ( + id int4, + name text, + pubkey text, + seckey text +); +create table encdata ( + id int4, + data text +); +insert into keytbl (id, name, pubkey, seckey) +values (1, 'elg1024', ' +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: GnuPG v1.4.1 (GNU/Linux) + +mQGiBELIIUgRBACp401L6jXrLB28c3YA4sM3OJKnxM1GT9YTkWyE3Vyte65H8WU9 +tGPBX7OMuaX5eGZ84LFUGvaP0k7anfmXcDkCO3P9GgL+ro/dS2Ps/vChQPZqHaxE +xpKDUt47B7DGdRJrC8DRnIR4wbSyQA6ma3S1yFqC5pJhSs+mqf9eExOjiwCgntth +klRxIYw352ZX9Ov9oht/p/ED/1Xi4PS+tkXVvyIw5aZfa61bT6XvDkoPI0Aj3GE5 +YmCHJlKA/IhEr8QJOLV++5VEv4l6KQ1/DFoJzoNdr1AGJukgTc6X/WcQRzfQtUic +PHQme5oAWoHa6bVQZOwvbJh3mOXDq/Tk/KF22go8maM44vMn4bvv+SBbslviYLiL +jZJ1A/9JXF1esNq+X9HehJyqHHU7LEEf/ck6zC7o2erM3/LZlZuLNPD2cv3oL3Nv +saEgcTSZl+8XmO8pLmzjKIb+hi70qVx3t2IhMqbb4B/dMY1Ck62gPBKa81/Wwi7v +IsEBQLEtyBmGmI64YpzoRNFeaaF9JY+sAKqROqe6dLjJ7vebQLQfRWxnYW1hbCAx +MDI0IDx0ZXN0QGV4YW1wbGUub3JnPoheBBMRAgAeBQJCyCFIAhsDBgsJCAcDAgMV +AgMDFgIBAh4BAheAAAoJEBwpvA0YF3NkOtsAniI9W2bC3CxARTpYrev7ihreDzFc +AJ9WYLQxDQAi5Ec9AQoodPkIagzZ4LkBDQRCyCFKEAQAh5SNbbJMAsJ+sQbcWEzd +ku8AdYB5zY7Qyf9EOvn0g39bzANhxmmb6gbRlQN0ioymlDwraTKUAfuCZgNcg/0P +sxFGb9nDcvjIV8qdVpnq1PuzMFuBbmGI6weg7Pj01dlPiO0wt1lLX+SubktqbYxI ++h31c3RDZqxj+KAgxR8YNGMAAwYD+wQs2He1Z5+p4OSgMERiNzF0acZUYmc0e+/9 +6gfL0ft3IP+SSFo6hEBrkKVhZKoPSSRr5KpNaEobhdxsnKjUaw/qyoaFcNMzb4sF +k8wq5UlCkR+h72u6hv8FuleCV8SJUT1U2JjtlXJR2Pey9ifh8rZfu57UbdwdHa0v +iWc4DilhiEkEGBECAAkFAkLIIUoCGwwACgkQHCm8DRgXc2TtrwCfdPom+HlNVE9F +ig3hGY1Rb4NEk1gAn1u9IuQB+BgDP40YHHz6bKWS/x80 +=RWci +-----END PGP PUBLIC KEY BLOCK----- +', ' +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.1 (GNU/Linux) + +lQG7BELIIUgRBACp401L6jXrLB28c3YA4sM3OJKnxM1GT9YTkWyE3Vyte65H8WU9 +tGPBX7OMuaX5eGZ84LFUGvaP0k7anfmXcDkCO3P9GgL+ro/dS2Ps/vChQPZqHaxE +xpKDUt47B7DGdRJrC8DRnIR4wbSyQA6ma3S1yFqC5pJhSs+mqf9eExOjiwCgntth +klRxIYw352ZX9Ov9oht/p/ED/1Xi4PS+tkXVvyIw5aZfa61bT6XvDkoPI0Aj3GE5 +YmCHJlKA/IhEr8QJOLV++5VEv4l6KQ1/DFoJzoNdr1AGJukgTc6X/WcQRzfQtUic +PHQme5oAWoHa6bVQZOwvbJh3mOXDq/Tk/KF22go8maM44vMn4bvv+SBbslviYLiL +jZJ1A/9JXF1esNq+X9HehJyqHHU7LEEf/ck6zC7o2erM3/LZlZuLNPD2cv3oL3Nv +saEgcTSZl+8XmO8pLmzjKIb+hi70qVx3t2IhMqbb4B/dMY1Ck62gPBKa81/Wwi7v +IsEBQLEtyBmGmI64YpzoRNFeaaF9JY+sAKqROqe6dLjJ7vebQAAAnj4i4st+s+C6 +WKTIDcL1Iy0Saq8lCp60H0VsZ2FtYWwgMTAyNCA8dGVzdEBleGFtcGxlLm9yZz6I +XgQTEQIAHgUCQsghSAIbAwYLCQgHAwIDFQIDAxYCAQIeAQIXgAAKCRAcKbwNGBdz +ZDrbAJ9cp6AsjOhiLxwznsMJheGf4xkH8wCfUPjMCLm4tAEnyYn2hDNt7CB8B6Kd +ATEEQsghShAEAIeUjW2yTALCfrEG3FhM3ZLvAHWAec2O0Mn/RDr59IN/W8wDYcZp +m+oG0ZUDdIqMppQ8K2kylAH7gmYDXIP9D7MRRm/Zw3L4yFfKnVaZ6tT7szBbgW5h +iOsHoOz49NXZT4jtMLdZS1/krm5Lam2MSPod9XN0Q2asY/igIMUfGDRjAAMGA/sE +LNh3tWefqeDkoDBEYjcxdGnGVGJnNHvv/eoHy9H7dyD/kkhaOoRAa5ClYWSqD0kk +a+SqTWhKG4XcbJyo1GsP6sqGhXDTM2+LBZPMKuVJQpEfoe9ruob/BbpXglfEiVE9 +VNiY7ZVyUdj3svYn4fK2X7ue1G3cHR2tL4lnOA4pYQAA9030E4u2ZKOfJBpUM+EM +m9VmsGjaQZV4teB0R/q3W8sRIYhJBBgRAgAJBQJCyCFKAhsMAAoJEBwpvA0YF3Nk +7a8AniFFotw1x2X+oryu3Q3nNtmxoKHpAJ9HU7jw7ydg33dI9J8gVkrmsSZ2/w== +=nvqq +-----END PGP PRIVATE KEY BLOCK----- +'); +insert into keytbl (id, name, pubkey, seckey) +values (2, 'elg2048', ' +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: GnuPG v1.4.1 (GNU/Linux) + +mQGiBELIIgoRBAC1onBpxKYgDvrgCaUWPY34947X3ogxGOfCN0p6Eqrx+2PUhm4n +vFvmczpMT4iDc0mUO+iwnwsEkXQI1eC99g8c0jnZAvzJZ5miAHL8hukMAMfDkYke +5aVvcPPc8uPDlItpszGmH0rM0V9TIt/i9QEXetpyNWhk4jj5qnohYhLeZwCgkOdO +RFAdNi4vfFPivvtAp2ffjU8D/R3x/UJCvkzi7i9rQHGo313xxmQu5BuqIjANBUij 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+w/TOUxQqoctlRUej5NDD+4eW5G9lcS1FEGuKDWtX096u80vO+TbyJjvx2eVM1k+X +dmeYsGOiNgDimCreJGYc14G7eY9jt24gw10n1sMAKI1qm6lcoHqZ9OOyla+wJdro +PYZGO7R8+1O9R22WrK6BYDT5j/1JwMZqbOESjNvDEVT0yOHClCHRN4CChbt6LhKh +CLUNdz/udIt0JAC6c/HdPLSW3HnmM3+iNj+Kug== +=pwU2 +-----END PGP PUBLIC KEY BLOCK----- +', ' +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.1 (GNU/Linux) + +lQOWBELr2m0BCADOrnknlnXI0EzRExf/TgoHvK7Xx/E0keWqV3KrOyC3/tY2KOrj +UVxaAX5pkFX9wdQObGPIJm06u6D16CH6CildX/vxG7YgvvKzK8JGAbwrXAfk7OIW +czO2zRaZGDynoK3mAxHRBReyTKtNv8rDQhuZs6AOozJNARdbyUO/yqUnqNNygWuT +4htFDEuLPIJwAbMSD0BvFW6YQaPdxzaAZm3EWVNbwDzjgbBUdBiUUwRdZIFUhsjJ +dirFdy5+uuZru6y6CNC1OERkJ7P8EyoFiZckAIE5gshVZzNuyLOZjc5DhWBvLbX4 +NZElAnfiv+4nA6y8wQLSIbmHA3nqJaBklj85AAYpAAf9GuKpxrXp267eSPw9ZeSw +Ik6ob1I0MHbhhHeaXQnF0SuOViJ1+Bs74hUB3/F5fqrnjVLIS/ysYzegYpbpXOIa +MZwYcp2e+dpmVb7tkGQgzXH0igGtBQBqoSUVq9mG2XKPVh2JmiYgOH6GrHSGmnCq +GCgEK4ezSomB/3OtPFSjAxOlSw6dXSkapSxW3pEGvCdaWd9p8yl4rSpGsZEErPPL +uSbZZrHtWfgq5UXdPeE1UnMlBcvSruvpN4qgWMgSMs4d2lXvzXJLcht/nryP+atT +H1gwnRmlDCVv5BeJepKo3ORJDvcPlXkJPhqS9If3BhTqt6QgQEFI4aIYYZOZpZoi +2QQA2Zckzktmsc1MS04zS9gm1CbxM9d2KK8EOlh7fycRQhYYqqavhTBH2MgEp+Dd +ZtuEN5saNDe9x/fwi2ok1Bq6luGMWPZU/nZe7fxadzwfliy/qPzStWFW3vY9mMLu +6uEqgjin/lf4YrAswXDZaEc5e4GuNgGfwr27hpjxE1jg3PsEAPMqXEOMT2yh+yRu +DlLRbFhYOI4aUHY2CGoQQONnwv2O5gFvmOcPlg3J5lvnwlOYCx0c3bDxAtHyjPJq +FAZqcJBaB9RDhKHwlWDrbx/6FPH2SuKE+u4msIhPFin4V3FAP+yTem/TKrdnaWy6 +EUrhCWTXVRTijBaCudfjFd/ipHZbA/0dv7UAcoWK6kiVLzyE+jOvtN+ZxTzxq7CW +mlFPgAC966hgJmz9IXqadtMgPAoL3PK9q1DbPM3JhsQcJrNzTJqZrdN1/kPU0HHa ++aof1BVy3wSvp2mXgaRUULStyhUIyBRM6hAYp3/MoWEYn/bwr+zQkIU8Zsk6OsZ6 +q1xE3cowrUWFtCVSU0EgMjA0OCBFbmMgPHJzYTIwNDhlbmNAZXhhbXBsZS5vcmc+ +iQE0BBMBAgAeBQJC69ptAhsDBgsJCAcDAgMVAgMDFgIBAh4BAheAAAoJEMiZ6pNE +GVVZHMkIAJtGHHZ9iM8Yq1rr0zl1L6SvlQP8JCaxHa31wH3PKqGtq2M+cpb2rXf7 +gAY/doHJPXggfVzkyFrysmQ1gPbDGYLyOutw+IkhihEb5bWxQBNj+3zAFs1YX6v2 +HXWbSUSmyY1V9/+NTtKk03olDc/swd3lXzkuUOhcgfpBgIt3Q+MpT6M2+OIF7lVf +Sb1rWdpwTfGhZzW9szQOeoS4gPvxCCRyuabQRJ6DWH61F8fFIDJg1z+A/Obx4fqX +6GOA69RzgZ3oukFBIXxNwV9PZNnAmHtZVYO80g/oVYBbuvOYedffDBeQarhERZ5W +2TnIE+nqY61YOLBqosliygdZTXULzNidA5YEQuvaugEIAOuCJZdkzORA6e1lr81L +nr4JzMsVBFA+X/yIkBbV6qX/A4nVSLAZKNPXz1YIrMTu+1rMIiy10IWbA6zgMTpz +PhJRfgePONgdnCYyK5Ksh5/C5ntzKwwGwxfKlAXIxJurCHXTbEa+YvPdn76vJ3Hs +XOXVEL+fLb4U3l3Ng87YM202Lh1Ha2MeS2zEFZcAoKbFqAAjDLEai64SoOFh0W3C +sD1DL4zmfp+YZrUPHTtZadsi53i4KKW/ws9UrHlolqYNhYze/uRLyfnUx9PN4r/G +hEzauyDMV0smo91uB3aewPft+eCpmeWnu0PFJVK4xyRmhIq2rVCw16a1pBJirvGM ++y0ABikAB/oC3z7lv6sVg+ngjbpWy9lZu2/ECZ9FqViVz7bUkjfvSuowgpncryLW +4EpVV4U6mMSgU6kAi5VGT/BvYGSAtnqDWGiPs7Kk+h4Adz74bEAXzU280pNBtSfX +tGvzlS4a376KzYFSCJDRBdMebEhJMbY0wQmR8lTZu5JSUI4YYEuN0c7ckdsw8w42 +QWTLonG8HC6h8UPKS0EAcaCo7tFubMIesU6cWuTYucsHE+wjbADjuSNX968qczNe +NoL2BUznXOQoPu6HQO4/8cr7ib+VQkB2bHQcMoZazPUStIID1e4CL4XcxfuAmT8o +3XDvMLgVqNp5W2f8Mzmk3/DbtsLXLOv5BADsCzQpseC8ikSYJC72hcon1wlUmGeH +3qgGiiHhYXFa18xgI5juoO8DaWno0rPPlgr36Y8mSB5qjYHMXwjKnKyUmt11H+hU ++6uk4hq3Rjd8l+vfuOSr1xoTrtBUg9Rwfw6JVo0DC+8CWg4oBWsLXVM6KQXPFdJs +8kyFQplR/iP1XQQA/2tbDANjAYGNNDjJO9/0kEnSAUyYMasFJDrA2q17J5CroVQw +QpMmWwdDkRANUVPKnWHS5sS65BRc7UytKe2f3A3ZInGXJIK2Hl+TzapWYcYxql+4 +ol5mEDDMDbhEE8Wmj9KyB6iifdLI0K+yxNb9T4Jpj3J18+St+G8+9AcFcBEEAM1b +M9C+/05cnV8gjcByqH9M9ypo8fzPvMKVXWwCLQXpaL50QIkzLURkiMoEWrCdELaA +sVPotRzePTIQ1ooLeDxd1gRnDqjZiIR0kwmv6vq8tfzY96O2ZbGWFI5eth89aWEJ +WB8AR3zYcXpwJLwPuhXW2/NlZF0bclJ3jNzAfTIeQmeJAR8EGAECAAkFAkLr2roC +GwwACgkQyJnqk0QZVVku1wgAg1bLSjPkhw+ldG5HzumpqR84+JKyozdJaJzefu2+ +1iqYE0B0WLz2PJVIiK41xiEkKhBvTOQYuXmtWqAWXptD91P5SoXoNJWLQO3TNwar +ANhHxkWgw/TOUxQqoctlRUej5NDD+4eW5G9lcS1FEGuKDWtX096u80vO+TbyJjvx +2eVM1k+XdmeYsGOiNgDimCreJGYc14G7eY9jt24gw10n1sMAKI1qm6lcoHqZ9OOy +la+wJdroPYZGO7R8+1O9R22WrK6BYDT5j/1JwMZqbOESjNvDEVT0yOHClCHRN4CC +hbt6LhKhCLUNdz/udIt0JAC6c/HdPLSW3HnmM3+iNj+Kug== +=UKh3 +-----END PGP PRIVATE KEY BLOCK----- +'); +insert into keytbl (id, name, pubkey, seckey) +values (7, 'rsaenc2048-psw', ' +same key with password +', ' +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.11 (GNU/Linux) + +lQPEBELr2m0BCADOrnknlnXI0EzRExf/TgoHvK7Xx/E0keWqV3KrOyC3/tY2KOrj +UVxaAX5pkFX9wdQObGPIJm06u6D16CH6CildX/vxG7YgvvKzK8JGAbwrXAfk7OIW +czO2zRaZGDynoK3mAxHRBReyTKtNv8rDQhuZs6AOozJNARdbyUO/yqUnqNNygWuT +4htFDEuLPIJwAbMSD0BvFW6YQaPdxzaAZm3EWVNbwDzjgbBUdBiUUwRdZIFUhsjJ +dirFdy5+uuZru6y6CNC1OERkJ7P8EyoFiZckAIE5gshVZzNuyLOZjc5DhWBvLbX4 +NZElAnfiv+4nA6y8wQLSIbmHA3nqJaBklj85AAYp/gcDCNnoEKwFo86JYCE1J92R +HRQ7DoyAZpW1O0dTXL8Epk0sKsKDrCJOrIkDymsjfyBexADIeqOkioy/50wD2Mku +CVHKWO2duAiJN5t/FoRgpR1/Q11K6QdfqOG0HxwfIXLcPv7eSIso8kWorj+I01BP +Fn/atGEbIjdWaz/q2XHbu0Q3x6Et2gIsbLRVMhiYz1UG9uzGJ0TYCdBa2SFhs184 +52akMpD+XVdM0Sq9/Cx40Seo8hzERB96+GXnQ48q2OhlvcEXiFyD6M6wYCWbEV+6 +XQVMymbl22FPP/bD9ReQX2kjrkQlFAtmhr+0y8reMCbcxwLuQfA3173lSPo7jrbH +oLrGhkRpqd2bYCelqdy/XMmRFso0+7uytHfTFrUNfDWfmHVrygoVrNnarCbxMMI0 +I8Q+tKHMThWgf0rIOSh0+w38kOXFCEqEWF8YkAqCrMZIlJIed78rOCFgG4aHajZR +D8rpXdUOIr/WeUddK25Tu8IuNJb0kFf12IMgNh0nS+mzlqWiofS5kA0TeB8wBV6t +RotaeyDNSsMoowfN8cf1yHMTxli+K1Tasg003WVUoWgUc+EsJ5+KTNwaX5uGv0Cs +j6dg6/FVeVRL9UsyF+2kt7euX3mABuUtcVGx/ZKTq/MNGEh6/r3B5U37qt+FDRbw +ppKPc2AP+yBUWsQskyrxFgv4eSpcLEg+lgdz/zLyG4qW4lrFUoO790Cm/J6C7/WQ +Z+E8kcS8aINJkg1skahH31d59ZkbW9PVeJMFGzNb0Z2LowngNP/BMrJ0LT2CQyLs +UxbT16S/gwAyUpJnbhWYr3nDdlwtC0rVopVTPD7khPRppcsq1f8D70rdIxI4Ouuw +vbjNZ1EWRJ9f2Ywb++k/xgSXwJkGodUlrUr+3i8cv8mPx+fWvif9q7Y5Ex1wCRa8 +8FAj/o+hEbQlUlNBIDIwNDggRW5jIDxyc2EyMDQ4ZW5jQGV4YW1wbGUub3JnPokB +NAQTAQIAHgUCQuvabQIbAwYLCQgHAwIDFQIDAxYCAQIeAQIXgAAKCRDImeqTRBlV +WRzJCACbRhx2fYjPGKta69M5dS+kr5UD/CQmsR2t9cB9zyqhratjPnKW9q13+4AG +P3aByT14IH1c5Mha8rJkNYD2wxmC8jrrcPiJIYoRG+W1sUATY/t8wBbNWF+r9h11 +m0lEpsmNVff/jU7SpNN6JQ3P7MHd5V85LlDoXIH6QYCLd0PjKU+jNvjiBe5VX0m9 +a1nacE3xoWc1vbM0DnqEuID78Qgkcrmm0ESeg1h+tRfHxSAyYNc/gPzm8eH6l+hj +gOvUc4Gd6LpBQSF8TcFfT2TZwJh7WVWDvNIP6FWAW7rzmHnX3wwXkGq4REWeVtk5 +yBPp6mOtWDiwaqLJYsoHWU11C8zYnQPEBELr2roBCADrgiWXZMzkQOntZa/NS56+ +CczLFQRQPl/8iJAW1eql/wOJ1UiwGSjT189WCKzE7vtazCIstdCFmwOs4DE6cz4S +UX4HjzjYHZwmMiuSrIefwuZ7cysMBsMXypQFyMSbqwh102xGvmLz3Z++rydx7Fzl +1RC/ny2+FN5dzYPO2DNtNi4dR2tjHktsxBWXAKCmxagAIwyxGouuEqDhYdFtwrA9 +Qy+M5n6fmGa1Dx07WWnbIud4uCilv8LPVKx5aJamDYWM3v7kS8n51MfTzeK/xoRM +2rsgzFdLJqPdbgd2nsD37fngqZnlp7tDxSVSuMckZoSKtq1QsNemtaQSYq7xjPst +AAYp/gcDCNnoEKwFo86JYAsxoD+wQ0zBi5RBM5EphXTpM1qKxmigsKOvBSaMmr0y +VjHtGY3poyV3t6VboOGCsFcaKm0tIdDL7vrxxwyYESETpF29b7QrYcoaLKMG7fsy +t9SUI3UV2H9uUquHgqHtsqz0jYOgm9tYnpesgQ/kOAWI/tej1ZJXUIWEmZMH/W6d +ATNvZ3ivwApfC0qF5G3oPgBSoIuQ/8I+pN/kmuyNAnJWNgagFhA/2VFBvh5XgztV +NW7G//KpR1scsn140SO/wpGBM3Kr4m8ztl9w9U6a7NlQZ2ub3/pIUTpSzyLBxJZ/ +RfuZI7ROdgDMKmEgCYrN2kfp0LIxnYL6ZJu3FDcS4V098lyf5rHvB3PAEdL6Zyhd +qYp3Sx68r0F4vzk5iAIWf6pG2YdfoP2Z48Pmq9xW8qD9iwFcoz9oAzDEMENn6dfq +6MzfoaXEoYp8cR/o+aeEaGUtYBHiaxQcJYx35B9IhsXXA49yRORK8qdwhSHxB3NQ +H3pUWkfw368f/A207hQVs9yYXlEvMZikxl58gldCd3BAPqHm/XzgknRRNQZBPPKJ +BMZebZ22Dm0qDuIqW4GXLB4sLf0+UXydVINIUOlzg+S4jrwx7eZqb6UkRXTIWVo5 +psTsD14wzWBRdUQHZOZD33+M8ugmewvLY/0Uix+2RorkmB7/jqoZvx/MehDwmCZd +VH8sb2wpZ55sj7gCXxvrfieQD/VeH54OwjjbtK56iYq56RVD0h1az8xDY2GZXeT7 +J0c3BGpuoca5xOFWr1SylAr/miEPxOBfnfk8oZQJvZrjSBGjsTbALep2vDJk8ROD +sdQCJuU1RHDrwKHlbUL0NbGRO2juJGsatdWnuVKsFbaFW2pHHkezKuwOcaAJv7Xt +8LRF17czAJ1uaLKwV8Paqx6UIv+089GbWZi7HIkBHwQYAQIACQUCQuvaugIbDAAK +CRDImeqTRBlVWS7XCACDVstKM+SHD6V0bkfO6ampHzj4krKjN0lonN5+7b7WKpgT +QHRYvPY8lUiIrjXGISQqEG9M5Bi5ea1aoBZem0P3U/lKheg0lYtA7dM3BqsA2EfG +RaDD9M5TFCqhy2VFR6Pk0MP7h5bkb2VxLUUQa4oNa1fT3q7zS875NvImO/HZ5UzW +T5d2Z5iwY6I2AOKYKt4kZhzXgbt5j2O3biDDXSfWwwAojWqbqVygepn047KVr7Al +2ug9hkY7tHz7U71HbZasroFgNPmP/UnAxmps4RKM28MRVPTI4cKUIdE3gIKFu3ou +EqEItQ13P+50i3QkALpz8d08tJbceeYzf6I2P4q6 +=QFm5 +-----END PGP PRIVATE KEY BLOCK----- +'); +-- elg1024 / aes128 +insert into encdata (id, data) values (1, ' +-----BEGIN PGP MESSAGE----- +Version: GnuPG v1.4.1 (GNU/Linux) + +hQEOA9k2z2S7c/RmEAQAgVWW0DeLrZ+1thWJGBPp2WRFL9HeNqqWHbKJCXJbz1Uy +faUY7yxVvG5Eutmo+JMiY3mg23/DgVVXHQZsTWpGvGM6djgUNGKUjZDbW6Nog7Mr +e78IywattCOmgUP9vIwwg3OVjuDCN/nVirGQFnXpJBc8DzWqDMWRWDy1M0ZsK7AD +/2JTosSFxUdpON0DKtIY3GLzmh6Nk3iV0g8VgJKUBT1rhCXuMDj3snm//EMm7hTY +PlnObq4mIhgz8NqprmhooxnU0Kapofb3P3wCHPpU14zxhXY8iKO/3JhBq2uFcx4X +uBMwkW4AdNxY/mzJZELteTL8Tr0s7PISk+owb4URpG3n0jsBc0CVULxrjh5Ejkdw +wCM195J6+KbQxOOFQ0b3uOVvv4dEgd/hRERCOq5EPaFhlHegyYJ7YO842vnSDA== +=PABx +-----END PGP MESSAGE----- +'); +-- elg2048 / blowfish +insert into encdata (id, data) values (2, ' +-----BEGIN PGP MESSAGE----- +Version: GnuPG v1.4.1 (GNU/Linux) + +hQIOAywibh/+XMfUEAf+OINhBngEsw4a/IJIeJvUgv1gTQzBwOdQEuc/runr4Oa8 +Skw/Bj0X/zgABVZLem1a35NHaNwaQaCFwMQ41YyWCu+jTdsiyX/Nw0w8LKKz0rNC +vVpG6YuV7Turtsf8a5lXy1K0SHkLlgxQ6c76GS4gtSl5+bsL2+5R1gSRJ9NXqCQP +OHRipEiYwBPqr5R21ZG0FXXNKGOGkj6jt/M/wh3WVtAhYuBI+HPKRfAEjd/Pu/eD +e1zYtkH1dKKFmp44+nF0tTI274xpuso7ShfKYrOK3saFWrl0DWiWteUinjSA1YBY +m7dG7NZ8PW+g1SZWhEoPjEEEHz3kWMvlKheMRDudnQf/dDyX6kZVIAQF/5B012hq +QyVewgTGysowFIDn01uIewoEA9cASw699jw9IoJp+k5WZXnU+INllBLzQxniQCSu +iEcr0x3fYqNtj9QBfbIqyRcY6HTWcmzyOUeGaSyX76j+tRAvtVtXpraFFFnaHB70 +YpXTjLkp8EBafzMghFaKDeXlr2TG/T7rbwcwWrFIwPqEAUKWN5m97Q3eyo8/ioMd +YoFD64J9ovSsgbuU5IpIGAsjxK+NKzg/2STH7zZFEVCtgcIXsTHTZfiwS98/+1H9 +p1DIDaXIcUFV2ztmcKxh9gt2sXRz1W+x6D8O0k3nanU5yGG4miLKaq18fbcA0BD1 ++NIzAfelq6nvvxYKcGcamBMgLo5JkZOBHvyr6RsAKIT5QYc0QTjysTk9l0Am3gYc +G2pAE+3k +=TBHV +-----END PGP MESSAGE----- +'); +-- elg4096 / aes256 +insert into encdata (id, data) values (3, ' +-----BEGIN PGP MESSAGE----- +Version: GnuPG v1.4.1 (GNU/Linux) + +hQQOA7aFBP0Sjh/5EA/+JCgncc8IZmmRjPStWnGf9tVJhgHTn+smIclibGzs0deS +SPSCitzpblwbUDvu964+/5e5Q1l7rRuNN+AgETlEd4eppv7Swn2ChdgOXxRwukcT +Nh3G+PTFvD4ayi7w1db3qvXIt0MwN4Alt436wJmK1oz2Ka9IcyO+wHWrDy1nSGSx +z5x7YEj+EZPgWc/YAvudqE8Jpzd/OT5zSHN09UFkIAk6NxisKaIstbEGFgpqtoDZ +1SJM84XAdL2IcaJ3YY7k/yzwlawhsakKd4GSd5vWmAwvyzzbSiBMfKsDE16ePLNU +ZBF7CzmlCBPZ7YrFAHLpXBXXkCQvzD2BEYOjse50ZEfJ036T7950Ozcdy1EQbGon +nyQ4Gh0PBpnMcBuiXOceWuYzhlzFOzDtlVKdNTxFRDcbEyW2jo9xQYvCCLnYy8EH +2M7S8jCtVYJBbn63a82ELv+3+kWYcsvBJv2ZVBh4ncrBu9o0P+OYS7ApoOU+j6p2 ++t0RXHksqXS1YiUwYF5KSw09EbYMgNZ9G04Px/PxLU6fSC9iDrGX7Xt3kOUP0mku +C518fPckT0zzRXqfFruJNRzDytW50KxkOQZzU1/Az1YlYN9QzWeU4EtLPb2fftZo +D0qH/ln+f9Op5t6sD2fcxZVECU1b/bFtZsxvwH406YL+UQ7hU/XnZrzVVzODal8P +/j1hg7v7BdJqu1DTp9nFWUuwMFcYAczuXn29IG183NZ7Ts4whDeYEhS8eNoLPX4j +txY12ILD/w/3Q4LoW/hPa6OdfEzsn0U5GLf1WiGmJE1H6ft2U/xUnerc/u0kt+FU +WAisArd4MuKtf7B5Vu/VF3kUdrR0hTniUKUivmC4o1jSId31Dufxj4aadVyldXAr +6TNBcdyragZjxEZ6hsBCYzA0Rd1a8atd6OaQoIEEfAzCu5Ks29pydHErStYGjWJ1 +KA5KPLVvjbHpDmRhlCcm8vgpYQsBYEB5gE9fx5yCTlsVhCB6y23h7hfdMqerDqkO +ZOPsO5h+tiHCdIrQ36sMjuINy1/K2rYcXd+Crh2iHcfidpU9fvDz2ihTRNQlhjuT +0cQZM5JhctEx4VXF4LDctRhit7Hn0iqsk604woQfJVvP8O673xSXT/kBY0A/v9C0 +3C4YoFNeSaKwbfZQ/4u1ZFPJxK2IIJa8UGpyAUewLMlzGVVagljybv/f4Z9ERAhy +huq5sMmw8UPsrJF2TUGHz5WSIwoh0J/qovoQI09I9sdEnFczDvRavMO2Mldy3E5i +exz9oewtel6GOmsZQSYWT/vJzbYMmvHNmNpVwwoKrLV6oI3kyQ80GHBwI1WlwHoK +2iRB0w8q4VVvJeYAz8ZIp380cqC3pfO0uZsrOx4g3k4X0jsB5y7rF5xXcZfnVbvG +DYKcOy60/OHMWVvpw6trAoA+iP+cVWPtrbRvLglTVTfYmi1ToZDDipkALBhndQ== +=L/M/ +-----END PGP MESSAGE----- +'); +-- rsaenc2048 / aes128 +insert into encdata (id, data) values (4, ' +-----BEGIN PGP MESSAGE----- +Version: GnuPG v1.4.1 (GNU/Linux) + +hQEMA/0CBsQJt0h1AQf+JyYnCiortj26P11zk28MKOGfWpWyAhuIgwbJXsdQ+e6r +pEyyqs9GC6gI7SNF6+J8B/gsMwvkAL4FHAQCvA4ZZ6eeXR1Of4YG22JQGmpWVWZg +DTyfhA2vkczuqfAD2tgUpMT6sdyGkQ/fnQ0lknlfHgC5GRx7aavOoAKtMqiZW5PR +yae/qR48mjX7Mb+mLvbagv9mHEgQSmHwFpaq2k456BbcZ23bvCmBnCvqV/90Ggfb +VP6gkSoFVsJ19RHsOhW1dk9ehbl51WB3zUOO5FZWwUTY9DJvKblRK/frF0+CXjE4 +HfcZXHSpSjx4haGGTsMvEJ85qFjZpr0eTGOdY5cFhNJAAVP8MZfji7OhPRAoOOIK +eRGOCkao12pvPyFTFnPd5vqmyBbdNpK4Q0hS82ljugMJvM0p3vJZVzW402Kz6iBL +GQ== +=XHkF +-----END PGP MESSAGE----- +'); +-- rsaenc2048 / aes128 (not from gnupg) +insert into encdata (id, data) values (5, ' +-----BEGIN PGP MESSAGE----- + +wcBMA/0CBsQJt0h1AQgAzxZ8j+OTeZ8IlLxfZ/mVd28/gUsCY+xigWBk/anZlK3T +p2tNU2idHzKdAttH2Hu/PWbZp4kwjl9spezYxMqCeBZqtfGED88Y+rqK0n/ul30A +7jjFHaw0XUOqFNlST1v6H2i7UXndnp+kcLfHPhnO5BIYWxB2CYBehItqtrn75eqr +C7trGzU/cr74efcWagbCDSNjiAV7GlEptlzmgVMmNikyI6w0ojEUx8lCLc/OsFz9 +pJUAX8xuwjxDVv+W7xk6c96grQiQlm+FLDYGiGNXoAzx3Wi/howu3uV40dXfY+jx +3WBrhEew5Pkpt1SsWoFnJWOfJ8GLd0ec8vfRCqAIVdLgAeS7NyawQYtd6wuVrEAj +5SMg4Thb4d+g45RksuGLHUUr4qO9tiXglODa4InhmJfgNuLk+RGz4LXjq8wepEmW +vRbgFOG54+Cf4C/gC+HkreDm5JKSKjvvw4B/jC6CDxq+JoziEe2Z1uEjCuEcr+Es +/eGzeOi36BejXPMHeKxXejj5qBBHKV0pHVhZSgffR0TtlXdB967Yl/5agV0R89hI +7Gw52emfnH4Z0Y4V0au2H0k1dR/2IxXdJEWSTG7Be1JHT59p9ei2gSEOrdBMIOjP +tbYYUlmmbvD49bHfThkDiC+oc9947LgQsk3kOOLbNHcjkbrjH8R5kjII4m/SEZA1 +g09T+338SzevBcVXh/cFrQ6/Et+lyyO2LJRUMs69g/HyzJOVWT2Iu8E0eS9MWevY +Qtrkrhrpkl3Y02qEp/j6M03Yu2t6ZF7dp51aJ5VhO2mmmtHaTnCyCc8Fcf72LmD8 +blH2nKZC9d6fi4YzSYMepZpMOFR65M80MCMiDUGnZBB8sEADu2/iVtqDUeG8mAA= +=PHJ1 +-----END PGP MESSAGE----- +'); +-- successful decrypt +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=1 and encdata.id=1; + pgp_pub_decrypt +----------------- + Secret msg +(1 row) + +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=2 and encdata.id=2; + pgp_pub_decrypt +----------------- + Secret msg +(1 row) + +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=3 and encdata.id=3; + pgp_pub_decrypt +----------------- + Secret msg +(1 row) + +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=6 and encdata.id=4; + pgp_pub_decrypt +----------------- + Secret message. +(1 row) + +-- wrong key +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=2 and encdata.id=1; +ERROR: Wrong key +-- sign-only key +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=4 and encdata.id=1; +ERROR: No encryption key found +-- rsa: password-protected secret key, wrong password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey), '123') +from keytbl, encdata where keytbl.id=7 and encdata.id=4; +ERROR: Wrong key or corrupt data +-- rsa: password-protected secret key, right password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey), 'parool') +from keytbl, encdata where keytbl.id=7 and encdata.id=4; + pgp_pub_decrypt +----------------- + Secret message. +(1 row) + +-- password-protected secret key, no password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=5 and encdata.id=1; +ERROR: Need password for secret key +-- password-protected secret key, wrong password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey), 'foo') +from keytbl, encdata where keytbl.id=5 and encdata.id=1; +ERROR: Wrong key or corrupt data +-- password-protected secret key, right password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey), 'parool') +from keytbl, encdata where keytbl.id=5 and encdata.id=1; + pgp_pub_decrypt +----------------- + Secret msg +(1 row) + +-- test for a short read from prefix_init +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=6 and encdata.id=5; +ERROR: Wrong key or corrupt data diff --git a/contrib/pgcrypto/expected/pgp-pubkey-encrypt.out b/contrib/pgcrypto/expected/pgp-pubkey-encrypt.out new file mode 100644 index 0000000..df2756c --- /dev/null +++ b/contrib/pgcrypto/expected/pgp-pubkey-encrypt.out @@ -0,0 +1,70 @@ +-- +-- PGP Public Key Encryption +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; +-- successful encrypt/decrypt +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=1; + pgp_pub_decrypt +----------------- + Secret msg +(1 row) + +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=2; + pgp_pub_decrypt +----------------- + Secret msg +(1 row) + +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=3; + pgp_pub_decrypt +----------------- + Secret msg +(1 row) + +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=6; + pgp_pub_decrypt +----------------- + Secret msg +(1 row) + +-- try with rsa-sign only +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=4; +ERROR: No encryption key found +-- try with secret key +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(seckey)), + dearmor(seckey)) +from keytbl where keytbl.id=1; +ERROR: Refusing to encrypt with secret key +-- does text-to-bytea works +select pgp_pub_decrypt_bytea( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=1; + pgp_pub_decrypt_bytea +----------------------- + Secret msg +(1 row) + +-- and bytea-to-text? +select pgp_pub_decrypt( + pgp_pub_encrypt_bytea('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=1; +ERROR: Not text data diff --git a/contrib/pgcrypto/expected/pgp-zlib-DISABLED.out b/contrib/pgcrypto/expected/pgp-zlib-DISABLED.out new file mode 100644 index 0000000..6f4eccd --- /dev/null +++ b/contrib/pgcrypto/expected/pgp-zlib-DISABLED.out @@ -0,0 +1 @@ +-- zlib is disabled diff --git a/contrib/pgcrypto/expected/rijndael.out b/contrib/pgcrypto/expected/rijndael.out new file mode 100644 index 0000000..5366604 --- /dev/null +++ b/contrib/pgcrypto/expected/rijndael.out @@ -0,0 +1,126 @@ +-- +-- AES cipher (aka Rijndael-128, -192, or -256) +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; +-- some standard Rijndael testvalues +SELECT encode(encrypt( +decode('00112233445566778899aabbccddeeff', 'hex'), +decode('000102030405060708090a0b0c0d0e0f', 'hex'), +'aes-ecb/pad:none'), 'hex'); + encode +---------------------------------- + 69c4e0d86a7b0430d8cdb78070b4c55a +(1 row) + +SELECT encode(encrypt( +decode('00112233445566778899aabbccddeeff', 'hex'), +decode('000102030405060708090a0b0c0d0e0f1011121314151617', 'hex'), +'aes-ecb/pad:none'), 'hex'); + encode +---------------------------------- + dda97ca4864cdfe06eaf70a0ec0d7191 +(1 row) + +SELECT encode(encrypt( +decode('00112233445566778899aabbccddeeff', 'hex'), +decode('000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f', 'hex'), +'aes-ecb/pad:none'), 'hex'); + encode +---------------------------------- + 8ea2b7ca516745bfeafc49904b496089 +(1 row) + +-- cbc +SELECT encode(encrypt( +decode('00112233445566778899aabbccddeeff', 'hex'), +decode('000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f', 'hex'), +'aes-cbc/pad:none'), 'hex'); + encode +---------------------------------- + 8ea2b7ca516745bfeafc49904b496089 +(1 row) + +-- key padding +SELECT encode(encrypt( +decode('0011223344', 'hex'), +decode('000102030405', 'hex'), +'aes-cbc'), 'hex'); + encode +---------------------------------- + 189a28932213f017b246678dbc28655f +(1 row) + +SELECT encode(encrypt( +decode('0011223344', 'hex'), +decode('000102030405060708090a0b0c0d0e0f10111213', 'hex'), +'aes-cbc'), 'hex'); + encode +---------------------------------- + 3b02279162d15580e069d3a71407a556 +(1 row) + +SELECT encode(encrypt( +decode('0011223344', 'hex'), +decode('000102030405060708090a0b0c0d0e0f101112131415161718191a1b', 'hex'), +'aes-cbc'), 'hex'); + encode +---------------------------------- + 4facb6a041d53e0a5a73289170901fe7 +(1 row) + +-- empty data +select encode(encrypt('', 'foo', 'aes'), 'hex'); + encode +---------------------------------- + b48cc3338a2eb293b6007ef72c360d48 +(1 row) + +-- 10 bytes key +select encode(encrypt('foo', '0123456789', 'aes'), 'hex'); + encode +---------------------------------- + f397f03d2819b7172b68d0706fda4693 +(1 row) + +-- 22 bytes key +select encode(encrypt('foo', '0123456789012345678901', 'aes'), 'hex'); + encode +---------------------------------- + 5c9db77af02b4678117bcd8a71ae7f53 +(1 row) + +-- decrypt +select decrypt(encrypt('foo', '0123456', 'aes'), '0123456', 'aes'); + decrypt +--------- + foo +(1 row) + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', 'aes'), 'hex'); + encode +---------------------------------- + 2c24cb7da91d6d5699801268b0f5adad +(1 row) + +select decrypt_iv(decode('2c24cb7da91d6d5699801268b0f5adad', 'hex'), + '0123456', 'abcd', 'aes'); + decrypt_iv +------------ + foo +(1 row) + +-- long message +select encode(encrypt('Lets try a longer message.', '0123456789', 'aes'), 'hex'); + encode +------------------------------------------------------------------ + d9beb785dd5403ed02f66b755bb191b93ed93ca54930153f2c3b9ec7785056ad +(1 row) + +select decrypt(encrypt('Lets try a longer message.', '0123456789', 'aes'), '0123456789', 'aes'); + decrypt +---------------------------- + Lets try a longer message. +(1 row) + diff --git a/contrib/pgcrypto/expected/sha1.out b/contrib/pgcrypto/expected/sha1.out new file mode 100644 index 0000000..9324d5d --- /dev/null +++ b/contrib/pgcrypto/expected/sha1.out @@ -0,0 +1,45 @@ +-- +-- SHA1 message digest +-- +SELECT encode(digest('', 'sha1'), 'hex'); + encode +------------------------------------------ + da39a3ee5e6b4b0d3255bfef95601890afd80709 +(1 row) + +SELECT encode(digest('a', 'sha1'), 'hex'); + encode +------------------------------------------ + 86f7e437faa5a7fce15d1ddcb9eaeaea377667b8 +(1 row) + +SELECT encode(digest('abc', 'sha1'), 'hex'); + encode +------------------------------------------ + a9993e364706816aba3e25717850c26c9cd0d89d +(1 row) + +SELECT encode(digest('message digest', 'sha1'), 'hex'); + encode +------------------------------------------ + c12252ceda8be8994d5fa0290a47231c1d16aae3 +(1 row) + +SELECT encode(digest('abcdefghijklmnopqrstuvwxyz', 'sha1'), 'hex'); + encode +------------------------------------------ + 32d10c7b8cf96570ca04ce37f2a19d84240d3a89 +(1 row) + +SELECT encode(digest('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', 'sha1'), 'hex'); + encode +------------------------------------------ + 761c457bf73b14d27e9e9265c46f4b4dda11f940 +(1 row) + +SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'sha1'), 'hex'); + encode +------------------------------------------ + 50abf5706a150990a08b2c5ea40fa0e585554732 +(1 row) + diff --git a/contrib/pgcrypto/expected/sha2.out b/contrib/pgcrypto/expected/sha2.out new file mode 100644 index 0000000..2df5a0d --- /dev/null +++ b/contrib/pgcrypto/expected/sha2.out @@ -0,0 +1,139 @@ +-- +-- SHA2 family +-- +-- SHA224 +SELECT encode(digest('', 'sha224'), 'hex'); + encode +---------------------------------------------------------- + d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f +(1 row) + +SELECT encode(digest('a', 'sha224'), 'hex'); + encode +---------------------------------------------------------- + abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5 +(1 row) + +SELECT encode(digest('abc', 'sha224'), 'hex'); + encode +---------------------------------------------------------- + 23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7 +(1 row) + +SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha224'), 'hex'); + encode +---------------------------------------------------------- + 75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525 +(1 row) + +SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'sha224'), 'hex'); + encode +---------------------------------------------------------- + b50aecbe4e9bb0b57bc5f3ae760a8e01db24f203fb3cdcd13148046e +(1 row) + +-- SHA256 +SELECT encode(digest('', 'sha256'), 'hex'); + encode +------------------------------------------------------------------ + e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 +(1 row) + +SELECT encode(digest('a', 'sha256'), 'hex'); + encode +------------------------------------------------------------------ + ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb +(1 row) + +SELECT encode(digest('abc', 'sha256'), 'hex'); + encode +------------------------------------------------------------------ + ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad +(1 row) + +SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha256'), 'hex'); + encode +------------------------------------------------------------------ + 248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1 +(1 row) + +SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'sha256'), 'hex'); + encode +------------------------------------------------------------------ + f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e +(1 row) + +-- SHA384 +SELECT encode(digest('', 'sha384'), 'hex'); + encode +-------------------------------------------------------------------------------------------------- + 38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b +(1 row) + +SELECT encode(digest('a', 'sha384'), 'hex'); + encode +-------------------------------------------------------------------------------------------------- + 54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31 +(1 row) + +SELECT encode(digest('abc', 'sha384'), 'hex'); + encode +-------------------------------------------------------------------------------------------------- + cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7 +(1 row) + +SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha384'), 'hex'); + encode +-------------------------------------------------------------------------------------------------- + 3391fdddfc8dc7393707a65b1b4709397cf8b1d162af05abfe8f450de5f36bc6b0455a8520bc4e6f5fe95b1fe3c8452b +(1 row) + +SELECT encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu', 'sha384'), 'hex'); + encode +-------------------------------------------------------------------------------------------------- + 09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712fcc7c71a557e2db966c3e9fa91746039 +(1 row) + +SELECT encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz', 'sha384'), 'hex'); + encode +-------------------------------------------------------------------------------------------------- + 3d208973ab3508dbbd7e2c2862ba290ad3010e4978c198dc4d8fd014e582823a89e16f9b2a7bbc1ac938e2d199e8bea4 +(1 row) + +-- SHA512 +SELECT encode(digest('', 'sha512'), 'hex'); + encode +---------------------------------------------------------------------------------------------------------------------------------- + cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e +(1 row) + +SELECT encode(digest('a', 'sha512'), 'hex'); + encode +---------------------------------------------------------------------------------------------------------------------------------- + 1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75 +(1 row) + +SELECT encode(digest('abc', 'sha512'), 'hex'); + encode +---------------------------------------------------------------------------------------------------------------------------------- + ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f +(1 row) + +SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha512'), 'hex'); + encode +---------------------------------------------------------------------------------------------------------------------------------- + 204a8fc6dda82f0a0ced7beb8e08a41657c16ef468b228a8279be331a703c33596fd15c13b1b07f9aa1d3bea57789ca031ad85c7a71dd70354ec631238ca3445 +(1 row) + +SELECT encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu', 'sha512'), 'hex'); + encode +---------------------------------------------------------------------------------------------------------------------------------- + 8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909 +(1 row) + +SELECT encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz', 'sha512'), 'hex'); + encode +---------------------------------------------------------------------------------------------------------------------------------- + 930d0cefcb30ff1133b6898121f1cf3d27578afcafe8677c5257cf069911f75d8f5831b56ebfda67b278e66dff8b84fe2b2870f742a580d8edb41987232850c9 +(1 row) + diff --git a/contrib/pgcrypto/imath.c b/contrib/pgcrypto/imath.c new file mode 100644 index 0000000..da4cded --- /dev/null +++ b/contrib/pgcrypto/imath.c @@ -0,0 +1,3588 @@ +/*------------------------------------------------------------------------- + * + * imath.c + * + * Last synchronized from https://github.com/creachadair/imath/tree/v1.29, + * using the following procedure: + * + * 1. Download imath.c and imath.h of the last synchronized version. Remove + * "#ifdef __cplusplus" blocks, which upset pgindent. Run pgindent on the + * two files. Filter the two files through "unexpand -t4 --first-only". + * Diff the result against the PostgreSQL versions. As of the last + * synchronization, changes were as follows: + * + * - replace malloc(), realloc() and free() with px_ versions + * - redirect assert() to Assert() + * - #undef MIN, #undef MAX before defining them + * - remove includes covered by c.h + * - rename DEBUG to IMATH_DEBUG + * - replace stdint.h usage with c.h equivalents + * - suppress MSVC warning 4146 + * - add required PG_USED_FOR_ASSERTS_ONLY + * + * 2. Download a newer imath.c and imath.h. Transform them like in step 1. + * Apply to these files the diff you saved in step 1. Look for new lines + * requiring the same kind of change, such as new malloc() calls. + * + * 3. Configure PostgreSQL using --without-openssl. Run "make -C + * contrib/pgcrypto check". + * + * 4. Update this header comment. + * + * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group + * + * IDENTIFICATION + * contrib/pgcrypto/imath.c + * + * Upstream copyright terms follow. + *------------------------------------------------------------------------- + */ + +/* + Name: imath.c + Purpose: Arbitrary precision integer arithmetic routines. + Author: M. J. Fromberger + + Copyright (C) 2002-2007 Michael J. Fromberger, All Rights Reserved. + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE. + */ + +#include "postgres.h" + +#include "imath.h" +#include "px.h" + +#undef assert +#define assert(TEST) Assert(TEST) + +const mp_result MP_OK = 0; /* no error, all is well */ +const mp_result MP_FALSE = 0; /* boolean false */ +const mp_result MP_TRUE = -1; /* boolean true */ +const mp_result MP_MEMORY = -2; /* out of memory */ +const mp_result MP_RANGE = -3; /* argument out of range */ +const mp_result MP_UNDEF = -4; /* result undefined */ +const mp_result MP_TRUNC = -5; /* output truncated */ +const mp_result MP_BADARG = -6; /* invalid null argument */ +const mp_result MP_MINERR = -6; + +const mp_sign MP_NEG = 1; /* value is strictly negative */ +const mp_sign MP_ZPOS = 0; /* value is non-negative */ + +static const char *s_unknown_err = "unknown result code"; +static const char *s_error_msg[] = {"error code 0", "boolean true", + "out of memory", "argument out of range", + "result undefined", "output truncated", +"invalid argument", NULL}; + +/* The ith entry of this table gives the value of log_i(2). + + An integer value n requires ceil(log_i(n)) digits to be represented + in base i. Since it is easy to compute lg(n), by counting bits, we + can compute log_i(n) = lg(n) * log_i(2). + + The use of this table eliminates a dependency upon linkage against + the standard math libraries. + + If MP_MAX_RADIX is increased, this table should be expanded too. + */ +static const double s_log2[] = { + 0.000000000, 0.000000000, 1.000000000, 0.630929754, /* (D)(D) 2 3 */ + 0.500000000, 0.430676558, 0.386852807, 0.356207187, /* 4 5 6 7 */ + 0.333333333, 0.315464877, 0.301029996, 0.289064826, /* 8 9 10 11 */ + 0.278942946, 0.270238154, 0.262649535, 0.255958025, /* 12 13 14 15 */ + 0.250000000, 0.244650542, 0.239812467, 0.235408913, /* 16 17 18 19 */ + 0.231378213, 0.227670249, 0.224243824, 0.221064729, /* 20 21 22 23 */ + 0.218104292, 0.215338279, 0.212746054, 0.210309918, /* 24 25 26 27 */ + 0.208014598, 0.205846832, 0.203795047, 0.201849087, /* 28 29 30 31 */ + 0.200000000, 0.198239863, 0.196561632, 0.194959022, /* 32 33 34 35 */ + 0.193426404, /* 36 */ +}; + +/* Return the number of digits needed to represent a static value */ +#define MP_VALUE_DIGITS(V) \ + ((sizeof(V) + (sizeof(mp_digit) - 1)) / sizeof(mp_digit)) + +/* Round precision P to nearest word boundary */ +static inline mp_size +s_round_prec(mp_size P) +{ + return 2 * ((P + 1) / 2); +} + +/* Set array P of S digits to zero */ +static inline void +ZERO(mp_digit *P, mp_size S) +{ + mp_size i__ = S * sizeof(mp_digit); + mp_digit *p__ = P; + + memset(p__, 0, i__); +} + +/* Copy S digits from array P to array Q */ +static inline void +COPY(mp_digit *P, mp_digit *Q, mp_size S) +{ + mp_size i__ = S * sizeof(mp_digit); + mp_digit *p__ = P; + mp_digit *q__ = Q; + + memcpy(q__, p__, i__); +} + +/* Reverse N elements of unsigned char in A. */ +static inline void +REV(unsigned char *A, int N) +{ + unsigned char *u_ = A; + unsigned char *v_ = u_ + N - 1; + + while (u_ < v_) + { + unsigned char xch = *u_; + + *u_++ = *v_; + *v_-- = xch; + } +} + +/* Strip leading zeroes from z_ in-place. */ +static inline void +CLAMP(mp_int z_) +{ + mp_size uz_ = MP_USED(z_); + mp_digit *dz_ = MP_DIGITS(z_) + uz_ - 1; + + while (uz_ > 1 && (*dz_-- == 0)) + --uz_; + z_->used = uz_; +} + +/* Select min/max. */ +#undef MIN +#undef MAX +static inline int +MIN(int A, int B) +{ + return (B < A ? B : A); +} +static inline mp_size +MAX(mp_size A, mp_size B) +{ + return (B > A ? B : A); +} + +/* Exchange lvalues A and B of type T, e.g. + SWAP(int, x, y) where x and y are variables of type int. */ +#define SWAP(T, A, B) \ + do { \ + T t_ = (A); \ + A = (B); \ + B = t_; \ + } while (0) + +/* Declare a block of N temporary mpz_t values. + These values are initialized to zero. + You must add CLEANUP_TEMP() at the end of the function. + Use TEMP(i) to access a pointer to the ith value. + */ +#define DECLARE_TEMP(N) \ + struct { \ + mpz_t value[(N)]; \ + int len; \ + mp_result err; \ + } temp_ = { \ + .len = (N), \ + .err = MP_OK, \ + }; \ + do { \ + for (int i = 0; i < temp_.len; i++) { \ + mp_int_init(TEMP(i)); \ + } \ + } while (0) + +/* Clear all allocated temp values. */ +#define CLEANUP_TEMP() \ + CLEANUP: \ + do { \ + for (int i = 0; i < temp_.len; i++) { \ + mp_int_clear(TEMP(i)); \ + } \ + if (temp_.err != MP_OK) { \ + return temp_.err; \ + } \ + } while (0) + +/* A pointer to the kth temp value. */ +#define TEMP(K) (temp_.value + (K)) + +/* Evaluate E, an expression of type mp_result expected to return MP_OK. If + the value is not MP_OK, the error is cached and control resumes at the + cleanup handler, which returns it. +*/ +#define REQUIRE(E) \ + do { \ + temp_.err = (E); \ + if (temp_.err != MP_OK) goto CLEANUP; \ + } while (0) + +/* Compare value to zero. */ +static inline int +CMPZ(mp_int Z) +{ + if (Z->used == 1 && Z->digits[0] == 0) + return 0; + return (Z->sign == MP_NEG) ? -1 : 1; +} + +static inline mp_word +UPPER_HALF(mp_word W) +{ + return (W >> MP_DIGIT_BIT); +} +static inline mp_digit +LOWER_HALF(mp_word W) +{ + return (mp_digit) (W); +} + +/* Report whether the highest-order bit of W is 1. */ +static inline bool +HIGH_BIT_SET(mp_word W) +{ + return (W >> (MP_WORD_BIT - 1)) != 0; +} + +/* Report whether adding W + V will carry out. */ +static inline bool +ADD_WILL_OVERFLOW(mp_word W, mp_word V) +{ + return ((MP_WORD_MAX - V) < W); +} + +/* Default number of digits allocated to a new mp_int */ +static mp_size default_precision = 8; + +void +mp_int_default_precision(mp_size size) +{ + assert(size > 0); + default_precision = size; +} + +/* Minimum number of digits to invoke recursive multiply */ +static mp_size multiply_threshold = 32; + +void +mp_int_multiply_threshold(mp_size thresh) +{ + assert(thresh >= sizeof(mp_word)); + multiply_threshold = thresh; +} + +/* Allocate a buffer of (at least) num digits, or return + NULL if that couldn't be done. */ +static mp_digit *s_alloc(mp_size num); + +/* Release a buffer of digits allocated by s_alloc(). */ +static void s_free(void *ptr); + +/* Insure that z has at least min digits allocated, resizing if + necessary. Returns true if successful, false if out of memory. */ +static bool s_pad(mp_int z, mp_size min); + +/* Ensure Z has at least N digits allocated. */ +static inline mp_result +GROW(mp_int Z, mp_size N) +{ + return s_pad(Z, N) ? MP_OK : MP_MEMORY; +} + +/* Fill in a "fake" mp_int on the stack with a given value */ +static void s_fake(mp_int z, mp_small value, mp_digit vbuf[]); +static void s_ufake(mp_int z, mp_usmall value, mp_digit vbuf[]); + +/* Compare two runs of digits of given length, returns <0, 0, >0 */ +static int s_cdig(mp_digit *da, mp_digit *db, mp_size len); + +/* Pack the unsigned digits of v into array t */ +static int s_uvpack(mp_usmall v, mp_digit t[]); + +/* Compare magnitudes of a and b, returns <0, 0, >0 */ +static int s_ucmp(mp_int a, mp_int b); + +/* Compare magnitudes of a and v, returns <0, 0, >0 */ +static int s_vcmp(mp_int a, mp_small v); +static int s_uvcmp(mp_int a, mp_usmall uv); + +/* Unsigned magnitude addition; assumes dc is big enough. + Carry out is returned (no memory allocated). */ +static mp_digit s_uadd(mp_digit *da, mp_digit *db, mp_digit *dc, mp_size size_a, + mp_size size_b); + +/* Unsigned magnitude subtraction. Assumes dc is big enough. */ +static void s_usub(mp_digit *da, mp_digit *db, mp_digit *dc, mp_size size_a, + mp_size size_b); + +/* Unsigned recursive multiplication. Assumes dc is big enough. */ +static int s_kmul(mp_digit *da, mp_digit *db, mp_digit *dc, mp_size size_a, + mp_size size_b); + +/* Unsigned magnitude multiplication. Assumes dc is big enough. */ +static void s_umul(mp_digit *da, mp_digit *db, mp_digit *dc, mp_size size_a, + mp_size size_b); + +/* Unsigned recursive squaring. Assumes dc is big enough. */ +static int s_ksqr(mp_digit *da, mp_digit *dc, mp_size size_a); + +/* Unsigned magnitude squaring. Assumes dc is big enough. */ +static void s_usqr(mp_digit *da, mp_digit *dc, mp_size size_a); + +/* Single digit addition. Assumes a is big enough. */ +static void s_dadd(mp_int a, mp_digit b); + +/* Single digit multiplication. Assumes a is big enough. */ +static void s_dmul(mp_int a, mp_digit b); + +/* Single digit multiplication on buffers; assumes dc is big enough. */ +static void s_dbmul(mp_digit *da, mp_digit b, mp_digit *dc, mp_size size_a); + +/* Single digit division. Replaces a with the quotient, + returns the remainder. */ +static mp_digit s_ddiv(mp_int a, mp_digit b); + +/* Quick division by a power of 2, replaces z (no allocation) */ +static void s_qdiv(mp_int z, mp_size p2); + +/* Quick remainder by a power of 2, replaces z (no allocation) */ +static void s_qmod(mp_int z, mp_size p2); + +/* Quick multiplication by a power of 2, replaces z. + Allocates if necessary; returns false in case this fails. */ +static int s_qmul(mp_int z, mp_size p2); + +/* Quick subtraction from a power of 2, replaces z. + Allocates if necessary; returns false in case this fails. */ +static int s_qsub(mp_int z, mp_size p2); + +/* Return maximum k such that 2^k divides z. */ +static int s_dp2k(mp_int z); + +/* Return k >= 0 such that z = 2^k, or -1 if there is no such k. */ +static int s_isp2(mp_int z); + +/* Set z to 2^k. May allocate; returns false in case this fails. */ +static int s_2expt(mp_int z, mp_small k); + +/* Normalize a and b for division, returns normalization constant */ +static int s_norm(mp_int a, mp_int b); + +/* Compute constant mu for Barrett reduction, given modulus m, result + replaces z, m is untouched. */ +static mp_result s_brmu(mp_int z, mp_int m); + +/* Reduce a modulo m, using Barrett's algorithm. */ +static int s_reduce(mp_int x, mp_int m, mp_int mu, mp_int q1, mp_int q2); + +/* Modular exponentiation, using Barrett reduction */ +static mp_result s_embar(mp_int a, mp_int b, mp_int m, mp_int mu, mp_int c); + +/* Unsigned magnitude division. Assumes |a| > |b|. Allocates temporaries; + overwrites a with quotient, b with remainder. */ +static mp_result s_udiv_knuth(mp_int a, mp_int b); + +/* Compute the number of digits in radix r required to represent the given + value. Does not account for sign flags, terminators, etc. */ +static int s_outlen(mp_int z, mp_size r); + +/* Guess how many digits of precision will be needed to represent a radix r + value of the specified number of digits. Returns a value guaranteed to be + no smaller than the actual number required. */ +static mp_size s_inlen(int len, mp_size r); + +/* Convert a character to a digit value in radix r, or + -1 if out of range */ +static int s_ch2val(char c, int r); + +/* Convert a digit value to a character */ +static char s_val2ch(int v, int caps); + +/* Take 2's complement of a buffer in place */ +static void s_2comp(unsigned char *buf, int len); + +/* Convert a value to binary, ignoring sign. On input, *limpos is the bound on + how many bytes should be written to buf; on output, *limpos is set to the + number of bytes actually written. */ +static mp_result s_tobin(mp_int z, unsigned char *buf, int *limpos, int pad); + +/* Multiply X by Y into Z, ignoring signs. Requires that Z have enough storage + preallocated to hold the result. */ +static inline void +UMUL(mp_int X, mp_int Y, mp_int Z) +{ + mp_size ua_ = MP_USED(X); + mp_size ub_ = MP_USED(Y); + mp_size o_ = ua_ + ub_; + + ZERO(MP_DIGITS(Z), o_); + (void) s_kmul(MP_DIGITS(X), MP_DIGITS(Y), MP_DIGITS(Z), ua_, ub_); + Z->used = o_; + CLAMP(Z); +} + +/* Square X into Z. Requires that Z have enough storage to hold the result. */ +static inline void +USQR(mp_int X, mp_int Z) +{ + mp_size ua_ = MP_USED(X); + mp_size o_ = ua_ + ua_; + + ZERO(MP_DIGITS(Z), o_); + (void) s_ksqr(MP_DIGITS(X), MP_DIGITS(Z), ua_); + Z->used = o_; + CLAMP(Z); +} + +mp_result +mp_int_init(mp_int z) +{ + if (z == NULL) + return MP_BADARG; + + z->single = 0; + z->digits = &(z->single); + z->alloc = 1; + z->used = 1; + z->sign = MP_ZPOS; + + return MP_OK; +} + +mp_int +mp_int_alloc(void) +{ + mp_int out = px_alloc(sizeof(mpz_t)); + + if (out != NULL) + mp_int_init(out); + + return out; +} + +mp_result +mp_int_init_size(mp_int z, mp_size prec) +{ + assert(z != NULL); + + if (prec == 0) + { + prec = default_precision; + } + else if (prec == 1) + { + return mp_int_init(z); + } + else + { + prec = s_round_prec(prec); + } + + z->digits = s_alloc(prec); + if (MP_DIGITS(z) == NULL) + return MP_MEMORY; + + z->digits[0] = 0; + z->used = 1; + z->alloc = prec; + z->sign = MP_ZPOS; + + return MP_OK; +} + +mp_result +mp_int_init_copy(mp_int z, mp_int old) +{ + assert(z != NULL && old != NULL); + + mp_size uold = MP_USED(old); + + if (uold == 1) + { + mp_int_init(z); + } + else + { + mp_size target = MAX(uold, default_precision); + mp_result res = mp_int_init_size(z, target); + + if (res != MP_OK) + return res; + } + + z->used = uold; + z->sign = old->sign; + COPY(MP_DIGITS(old), MP_DIGITS(z), uold); + + return MP_OK; +} + +mp_result +mp_int_init_value(mp_int z, mp_small value) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(value)]; + + s_fake(&vtmp, value, vbuf); + return mp_int_init_copy(z, &vtmp); +} + +mp_result +mp_int_init_uvalue(mp_int z, mp_usmall uvalue) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(uvalue)]; + + s_ufake(&vtmp, uvalue, vbuf); + return mp_int_init_copy(z, &vtmp); +} + +mp_result +mp_int_set_value(mp_int z, mp_small value) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(value)]; + + s_fake(&vtmp, value, vbuf); + return mp_int_copy(&vtmp, z); +} + +mp_result +mp_int_set_uvalue(mp_int z, mp_usmall uvalue) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(uvalue)]; + + s_ufake(&vtmp, uvalue, vbuf); + return mp_int_copy(&vtmp, z); +} + +void +mp_int_clear(mp_int z) +{ + if (z == NULL) + return; + + if (MP_DIGITS(z) != NULL) + { + if (MP_DIGITS(z) != &(z->single)) + s_free(MP_DIGITS(z)); + + z->digits = NULL; + } +} + +void +mp_int_free(mp_int z) +{ + assert(z != NULL); + + mp_int_clear(z); + px_free(z); /* note: NOT s_free() */ +} + +mp_result +mp_int_copy(mp_int a, mp_int c) +{ + assert(a != NULL && c != NULL); + + if (a != c) + { + mp_size ua = MP_USED(a); + mp_digit *da, + *dc; + + if (!s_pad(c, ua)) + return MP_MEMORY; + + da = MP_DIGITS(a); + dc = MP_DIGITS(c); + COPY(da, dc, ua); + + c->used = ua; + c->sign = a->sign; + } + + return MP_OK; +} + +void +mp_int_swap(mp_int a, mp_int c) +{ + if (a != c) + { + mpz_t tmp = *a; + + *a = *c; + *c = tmp; + + if (MP_DIGITS(a) == &(c->single)) + a->digits = &(a->single); + if (MP_DIGITS(c) == &(a->single)) + c->digits = &(c->single); + } +} + +void +mp_int_zero(mp_int z) +{ + assert(z != NULL); + + z->digits[0] = 0; + z->used = 1; + z->sign = MP_ZPOS; +} + +mp_result +mp_int_abs(mp_int a, mp_int c) +{ + assert(a != NULL && c != NULL); + + mp_result res; + + if ((res = mp_int_copy(a, c)) != MP_OK) + return res; + + c->sign = MP_ZPOS; + return MP_OK; +} + +mp_result +mp_int_neg(mp_int a, mp_int c) +{ + assert(a != NULL && c != NULL); + + mp_result res; + + if ((res = mp_int_copy(a, c)) != MP_OK) + return res; + + if (CMPZ(c) != 0) + c->sign = 1 - MP_SIGN(a); + + return MP_OK; +} + +mp_result +mp_int_add(mp_int a, mp_int b, mp_int c) +{ + assert(a != NULL && b != NULL && c != NULL); + + mp_size ua = MP_USED(a); + mp_size ub = MP_USED(b); + mp_size max = MAX(ua, ub); + + if (MP_SIGN(a) == MP_SIGN(b)) + { + /* Same sign -- add magnitudes, preserve sign of addends */ + if (!s_pad(c, max)) + return MP_MEMORY; + + mp_digit carry = s_uadd(MP_DIGITS(a), MP_DIGITS(b), MP_DIGITS(c), ua, ub); + mp_size uc = max; + + if (carry) + { + if (!s_pad(c, max + 1)) + return MP_MEMORY; + + c->digits[max] = carry; + ++uc; + } + + c->used = uc; + c->sign = a->sign; + + } + else + { + /* Different signs -- subtract magnitudes, preserve sign of greater */ + int cmp = s_ucmp(a, b); /* magnitude comparision, sign ignored */ + + /* + * Set x to max(a, b), y to min(a, b) to simplify later code. A + * special case yields zero for equal magnitudes. + */ + mp_int x, + y; + + if (cmp == 0) + { + mp_int_zero(c); + return MP_OK; + } + else if (cmp < 0) + { + x = b; + y = a; + } + else + { + x = a; + y = b; + } + + if (!s_pad(c, MP_USED(x))) + return MP_MEMORY; + + /* Subtract smaller from larger */ + s_usub(MP_DIGITS(x), MP_DIGITS(y), MP_DIGITS(c), MP_USED(x), MP_USED(y)); + c->used = x->used; + CLAMP(c); + + /* Give result the sign of the larger */ + c->sign = x->sign; + } + + return MP_OK; +} + +mp_result +mp_int_add_value(mp_int a, mp_small value, mp_int c) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(value)]; + + s_fake(&vtmp, value, vbuf); + + return mp_int_add(a, &vtmp, c); +} + +mp_result +mp_int_sub(mp_int a, mp_int b, mp_int c) +{ + assert(a != NULL && b != NULL && c != NULL); + + mp_size ua = MP_USED(a); + mp_size ub = MP_USED(b); + mp_size max = MAX(ua, ub); + + if (MP_SIGN(a) != MP_SIGN(b)) + { + /* Different signs -- add magnitudes and keep sign of a */ + if (!s_pad(c, max)) + return MP_MEMORY; + + mp_digit carry = s_uadd(MP_DIGITS(a), MP_DIGITS(b), MP_DIGITS(c), ua, ub); + mp_size uc = max; + + if (carry) + { + if (!s_pad(c, max + 1)) + return MP_MEMORY; + + c->digits[max] = carry; + ++uc; + } + + c->used = uc; + c->sign = a->sign; + + } + else + { + /* Same signs -- subtract magnitudes */ + if (!s_pad(c, max)) + return MP_MEMORY; + mp_int x, + y; + mp_sign osign; + + int cmp = s_ucmp(a, b); + + if (cmp >= 0) + { + x = a; + y = b; + osign = MP_ZPOS; + } + else + { + x = b; + y = a; + osign = MP_NEG; + } + + if (MP_SIGN(a) == MP_NEG && cmp != 0) + osign = 1 - osign; + + s_usub(MP_DIGITS(x), MP_DIGITS(y), MP_DIGITS(c), MP_USED(x), MP_USED(y)); + c->used = x->used; + CLAMP(c); + + c->sign = osign; + } + + return MP_OK; +} + +mp_result +mp_int_sub_value(mp_int a, mp_small value, mp_int c) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(value)]; + + s_fake(&vtmp, value, vbuf); + + return mp_int_sub(a, &vtmp, c); +} + +mp_result +mp_int_mul(mp_int a, mp_int b, mp_int c) +{ + assert(a != NULL && b != NULL && c != NULL); + + /* If either input is zero, we can shortcut multiplication */ + if (mp_int_compare_zero(a) == 0 || mp_int_compare_zero(b) == 0) + { + mp_int_zero(c); + return MP_OK; + } + + /* Output is positive if inputs have same sign, otherwise negative */ + mp_sign osign = (MP_SIGN(a) == MP_SIGN(b)) ? MP_ZPOS : MP_NEG; + + /* + * If the output is not identical to any of the inputs, we'll write the + * results directly; otherwise, allocate a temporary space. + */ + mp_size ua = MP_USED(a); + mp_size ub = MP_USED(b); + mp_size osize = MAX(ua, ub); + + osize = 4 * ((osize + 1) / 2); + + mp_digit *out; + mp_size p = 0; + + if (c == a || c == b) + { + p = MAX(s_round_prec(osize), default_precision); + + if ((out = s_alloc(p)) == NULL) + return MP_MEMORY; + } + else + { + if (!s_pad(c, osize)) + return MP_MEMORY; + + out = MP_DIGITS(c); + } + ZERO(out, osize); + + if (!s_kmul(MP_DIGITS(a), MP_DIGITS(b), out, ua, ub)) + return MP_MEMORY; + + /* + * If we allocated a new buffer, get rid of whatever memory c was already + * using, and fix up its fields to reflect that. + */ + if (out != MP_DIGITS(c)) + { + if ((void *) MP_DIGITS(c) != (void *) c) + s_free(MP_DIGITS(c)); + c->digits = out; + c->alloc = p; + } + + c->used = osize; /* might not be true, but we'll fix it ... */ + CLAMP(c); /* ... right here */ + c->sign = osign; + + return MP_OK; +} + +mp_result +mp_int_mul_value(mp_int a, mp_small value, mp_int c) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(value)]; + + s_fake(&vtmp, value, vbuf); + + return mp_int_mul(a, &vtmp, c); +} + +mp_result +mp_int_mul_pow2(mp_int a, mp_small p2, mp_int c) +{ + assert(a != NULL && c != NULL && p2 >= 0); + + mp_result res = mp_int_copy(a, c); + + if (res != MP_OK) + return res; + + if (s_qmul(c, (mp_size) p2)) + { + return MP_OK; + } + else + { + return MP_MEMORY; + } +} + +mp_result +mp_int_sqr(mp_int a, mp_int c) +{ + assert(a != NULL && c != NULL); + + /* Get a temporary buffer big enough to hold the result */ + mp_size osize = (mp_size) 4 * ((MP_USED(a) + 1) / 2); + mp_size p = 0; + mp_digit *out; + + if (a == c) + { + p = s_round_prec(osize); + p = MAX(p, default_precision); + + if ((out = s_alloc(p)) == NULL) + return MP_MEMORY; + } + else + { + if (!s_pad(c, osize)) + return MP_MEMORY; + + out = MP_DIGITS(c); + } + ZERO(out, osize); + + s_ksqr(MP_DIGITS(a), out, MP_USED(a)); + + /* + * Get rid of whatever memory c was already using, and fix up its fields + * to reflect the new digit array it's using + */ + if (out != MP_DIGITS(c)) + { + if ((void *) MP_DIGITS(c) != (void *) c) + s_free(MP_DIGITS(c)); + c->digits = out; + c->alloc = p; + } + + c->used = osize; /* might not be true, but we'll fix it ... */ + CLAMP(c); /* ... right here */ + c->sign = MP_ZPOS; + + return MP_OK; +} + +mp_result +mp_int_div(mp_int a, mp_int b, mp_int q, mp_int r) +{ + assert(a != NULL && b != NULL && q != r); + + int cmp; + mp_result res = MP_OK; + mp_int qout, + rout; + mp_sign sa = MP_SIGN(a); + mp_sign sb = MP_SIGN(b); + + if (CMPZ(b) == 0) + { + return MP_UNDEF; + } + else if ((cmp = s_ucmp(a, b)) < 0) + { + /* + * If |a| < |b|, no division is required: q = 0, r = a + */ + if (r && (res = mp_int_copy(a, r)) != MP_OK) + return res; + + if (q) + mp_int_zero(q); + + return MP_OK; + } + else if (cmp == 0) + { + /* + * If |a| = |b|, no division is required: q = 1 or -1, r = 0 + */ + if (r) + mp_int_zero(r); + + if (q) + { + mp_int_zero(q); + q->digits[0] = 1; + + if (sa != sb) + q->sign = MP_NEG; + } + + return MP_OK; + } + + /* + * When |a| > |b|, real division is required. We need someplace to store + * quotient and remainder, but q and r are allowed to be NULL or to + * overlap with the inputs. + */ + DECLARE_TEMP(2); + int lg; + + if ((lg = s_isp2(b)) < 0) + { + if (q && b != q) + { + REQUIRE(mp_int_copy(a, q)); + qout = q; + } + else + { + REQUIRE(mp_int_copy(a, TEMP(0))); + qout = TEMP(0); + } + + if (r && a != r) + { + REQUIRE(mp_int_copy(b, r)); + rout = r; + } + else + { + REQUIRE(mp_int_copy(b, TEMP(1))); + rout = TEMP(1); + } + + REQUIRE(s_udiv_knuth(qout, rout)); + } + else + { + if (q) + REQUIRE(mp_int_copy(a, q)); + if (r) + REQUIRE(mp_int_copy(a, r)); + + if (q) + s_qdiv(q, (mp_size) lg); + qout = q; + if (r) + s_qmod(r, (mp_size) lg); + rout = r; + } + + /* Recompute signs for output */ + if (rout) + { + rout->sign = sa; + if (CMPZ(rout) == 0) + rout->sign = MP_ZPOS; + } + if (qout) + { + qout->sign = (sa == sb) ? MP_ZPOS : MP_NEG; + if (CMPZ(qout) == 0) + qout->sign = MP_ZPOS; + } + + if (q) + REQUIRE(mp_int_copy(qout, q)); + if (r) + REQUIRE(mp_int_copy(rout, r)); + CLEANUP_TEMP(); + return res; +} + +mp_result +mp_int_mod(mp_int a, mp_int m, mp_int c) +{ + DECLARE_TEMP(1); + mp_int out = (m == c) ? TEMP(0) : c; + + REQUIRE(mp_int_div(a, m, NULL, out)); + if (CMPZ(out) < 0) + { + REQUIRE(mp_int_add(out, m, c)); + } + else + { + REQUIRE(mp_int_copy(out, c)); + } + CLEANUP_TEMP(); + return MP_OK; +} + +mp_result +mp_int_div_value(mp_int a, mp_small value, mp_int q, mp_small *r) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(value)]; + + s_fake(&vtmp, value, vbuf); + + DECLARE_TEMP(1); + REQUIRE(mp_int_div(a, &vtmp, q, TEMP(0))); + + if (r) + (void) mp_int_to_int(TEMP(0), r); /* can't fail */ + + CLEANUP_TEMP(); + return MP_OK; +} + +mp_result +mp_int_div_pow2(mp_int a, mp_small p2, mp_int q, mp_int r) +{ + assert(a != NULL && p2 >= 0 && q != r); + + mp_result res = MP_OK; + + if (q != NULL && (res = mp_int_copy(a, q)) == MP_OK) + { + s_qdiv(q, (mp_size) p2); + } + + if (res == MP_OK && r != NULL && (res = mp_int_copy(a, r)) == MP_OK) + { + s_qmod(r, (mp_size) p2); + } + + return res; +} + +mp_result +mp_int_expt(mp_int a, mp_small b, mp_int c) +{ + assert(c != NULL); + if (b < 0) + return MP_RANGE; + + DECLARE_TEMP(1); + REQUIRE(mp_int_copy(a, TEMP(0))); + + (void) mp_int_set_value(c, 1); + unsigned int v = labs(b); + + while (v != 0) + { + if (v & 1) + { + REQUIRE(mp_int_mul(c, TEMP(0), c)); + } + + v >>= 1; + if (v == 0) + break; + + REQUIRE(mp_int_sqr(TEMP(0), TEMP(0))); + } + + CLEANUP_TEMP(); + return MP_OK; +} + +mp_result +mp_int_expt_value(mp_small a, mp_small b, mp_int c) +{ + assert(c != NULL); + if (b < 0) + return MP_RANGE; + + DECLARE_TEMP(1); + REQUIRE(mp_int_set_value(TEMP(0), a)); + + (void) mp_int_set_value(c, 1); + unsigned int v = labs(b); + + while (v != 0) + { + if (v & 1) + { + REQUIRE(mp_int_mul(c, TEMP(0), c)); + } + + v >>= 1; + if (v == 0) + break; + + REQUIRE(mp_int_sqr(TEMP(0), TEMP(0))); + } + + CLEANUP_TEMP(); + return MP_OK; +} + +mp_result +mp_int_expt_full(mp_int a, mp_int b, mp_int c) +{ + assert(a != NULL && b != NULL && c != NULL); + if (MP_SIGN(b) == MP_NEG) + return MP_RANGE; + + DECLARE_TEMP(1); + REQUIRE(mp_int_copy(a, TEMP(0))); + + (void) mp_int_set_value(c, 1); + for (unsigned ix = 0; ix < MP_USED(b); ++ix) + { + mp_digit d = b->digits[ix]; + + for (unsigned jx = 0; jx < MP_DIGIT_BIT; ++jx) + { + if (d & 1) + { + REQUIRE(mp_int_mul(c, TEMP(0), c)); + } + + d >>= 1; + if (d == 0 && ix + 1 == MP_USED(b)) + break; + REQUIRE(mp_int_sqr(TEMP(0), TEMP(0))); + } + } + + CLEANUP_TEMP(); + return MP_OK; +} + +int +mp_int_compare(mp_int a, mp_int b) +{ + assert(a != NULL && b != NULL); + + mp_sign sa = MP_SIGN(a); + + if (sa == MP_SIGN(b)) + { + int cmp = s_ucmp(a, b); + + /* + * If they're both zero or positive, the normal comparison applies; if + * both negative, the sense is reversed. + */ + if (sa == MP_ZPOS) + { + return cmp; + } + else + { + return -cmp; + } + } + else if (sa == MP_ZPOS) + { + return 1; + } + else + { + return -1; + } +} + +int +mp_int_compare_unsigned(mp_int a, mp_int b) +{ + assert(a != NULL && b != NULL); + + return s_ucmp(a, b); +} + +int +mp_int_compare_zero(mp_int z) +{ + assert(z != NULL); + + if (MP_USED(z) == 1 && z->digits[0] == 0) + { + return 0; + } + else if (MP_SIGN(z) == MP_ZPOS) + { + return 1; + } + else + { + return -1; + } +} + +int +mp_int_compare_value(mp_int z, mp_small value) +{ + assert(z != NULL); + + mp_sign vsign = (value < 0) ? MP_NEG : MP_ZPOS; + + if (vsign == MP_SIGN(z)) + { + int cmp = s_vcmp(z, value); + + return (vsign == MP_ZPOS) ? cmp : -cmp; + } + else + { + return (value < 0) ? 1 : -1; + } +} + +int +mp_int_compare_uvalue(mp_int z, mp_usmall uv) +{ + assert(z != NULL); + + if (MP_SIGN(z) == MP_NEG) + { + return -1; + } + else + { + return s_uvcmp(z, uv); + } +} + +mp_result +mp_int_exptmod(mp_int a, mp_int b, mp_int m, mp_int c) +{ + assert(a != NULL && b != NULL && c != NULL && m != NULL); + + /* Zero moduli and negative exponents are not considered. */ + if (CMPZ(m) == 0) + return MP_UNDEF; + if (CMPZ(b) < 0) + return MP_RANGE; + + mp_size um = MP_USED(m); + + DECLARE_TEMP(3); + REQUIRE(GROW(TEMP(0), 2 * um)); + REQUIRE(GROW(TEMP(1), 2 * um)); + + mp_int s; + + if (c == b || c == m) + { + REQUIRE(GROW(TEMP(2), 2 * um)); + s = TEMP(2); + } + else + { + s = c; + } + + REQUIRE(mp_int_mod(a, m, TEMP(0))); + REQUIRE(s_brmu(TEMP(1), m)); + REQUIRE(s_embar(TEMP(0), b, m, TEMP(1), s)); + REQUIRE(mp_int_copy(s, c)); + + CLEANUP_TEMP(); + return MP_OK; +} + +mp_result +mp_int_exptmod_evalue(mp_int a, mp_small value, mp_int m, mp_int c) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(value)]; + + s_fake(&vtmp, value, vbuf); + + return mp_int_exptmod(a, &vtmp, m, c); +} + +mp_result +mp_int_exptmod_bvalue(mp_small value, mp_int b, mp_int m, mp_int c) +{ + mpz_t vtmp; + mp_digit vbuf[MP_VALUE_DIGITS(value)]; + + s_fake(&vtmp, value, vbuf); + + return mp_int_exptmod(&vtmp, b, m, c); +} + +mp_result +mp_int_exptmod_known(mp_int a, mp_int b, mp_int m, mp_int mu, + mp_int c) +{ + assert(a && b && m && c); + + /* Zero moduli and negative exponents are not considered. */ + if (CMPZ(m) == 0) + return MP_UNDEF; + if (CMPZ(b) < 0) + return MP_RANGE; + + DECLARE_TEMP(2); + mp_size um = MP_USED(m); + + REQUIRE(GROW(TEMP(0), 2 * um)); + + mp_int s; + + if (c == b || c == m) + { + REQUIRE(GROW(TEMP(1), 2 * um)); + s = TEMP(1); + } + else + { + s = c; + } + + REQUIRE(mp_int_mod(a, m, TEMP(0))); + REQUIRE(s_embar(TEMP(0), b, m, mu, s)); + REQUIRE(mp_int_copy(s, c)); + + CLEANUP_TEMP(); + return MP_OK; +} + +mp_result +mp_int_redux_const(mp_int m, mp_int c) +{ + assert(m != NULL && c != NULL && m != c); + + return s_brmu(c, m); +} + +mp_result +mp_int_invmod(mp_int a, mp_int m, mp_int c) +{ + assert(a != NULL && m != NULL && c != NULL); + + if (CMPZ(a) == 0 || CMPZ(m) <= 0) + return MP_RANGE; + + DECLARE_TEMP(2); + + REQUIRE(mp_int_egcd(a, m, TEMP(0), TEMP(1), NULL)); + + if (mp_int_compare_value(TEMP(0), 1) != 0) + { + REQUIRE(MP_UNDEF); + } + + /* It is first necessary to constrain the value to the proper range */ + REQUIRE(mp_int_mod(TEMP(1), m, TEMP(1))); + + /* + * Now, if 'a' was originally negative, the value we have is actually the + * magnitude of the negative representative; to get the positive value we + * have to subtract from the modulus. Otherwise, the value is okay as it + * stands. + */ + if (MP_SIGN(a) == MP_NEG) + { + REQUIRE(mp_int_sub(m, TEMP(1), c)); + } + else + { + REQUIRE(mp_int_copy(TEMP(1), c)); + } + + CLEANUP_TEMP(); + return MP_OK; +} + +/* Binary GCD algorithm due to Josef Stein, 1961 */ +mp_result +mp_int_gcd(mp_int a, mp_int b, mp_int c) +{ + assert(a != NULL && b != NULL && c != NULL); + + int ca = CMPZ(a); + int cb = CMPZ(b); + + if (ca == 0 && cb == 0) + { + return MP_UNDEF; + } + else if (ca == 0) + { + return mp_int_abs(b, c); + } + else if (cb == 0) + { + return mp_int_abs(a, c); + } + + DECLARE_TEMP(3); + REQUIRE(mp_int_copy(a, TEMP(0))); + REQUIRE(mp_int_copy(b, TEMP(1))); + + TEMP(0)->sign = MP_ZPOS; + TEMP(1)->sign = MP_ZPOS; + + int k = 0; + + { /* Divide out common factors of 2 from u and v */ + int div2_u = s_dp2k(TEMP(0)); + int div2_v = s_dp2k(TEMP(1)); + + k = MIN(div2_u, div2_v); + s_qdiv(TEMP(0), (mp_size) k); + s_qdiv(TEMP(1), (mp_size) k); + } + + if (mp_int_is_odd(TEMP(0))) + { + REQUIRE(mp_int_neg(TEMP(1), TEMP(2))); + } + else + { + REQUIRE(mp_int_copy(TEMP(0), TEMP(2))); + } + + for (;;) + { + s_qdiv(TEMP(2), s_dp2k(TEMP(2))); + + if (CMPZ(TEMP(2)) > 0) + { + REQUIRE(mp_int_copy(TEMP(2), TEMP(0))); + } + else + { + REQUIRE(mp_int_neg(TEMP(2), TEMP(1))); + } + + REQUIRE(mp_int_sub(TEMP(0), TEMP(1), TEMP(2))); + + if (CMPZ(TEMP(2)) == 0) + break; + } + + REQUIRE(mp_int_abs(TEMP(0), c)); + if (!s_qmul(c, (mp_size) k)) + REQUIRE(MP_MEMORY); + + CLEANUP_TEMP(); + return MP_OK; +} + +/* This is the binary GCD algorithm again, but this time we keep track of the + elementary matrix operations as we go, so we can get values x and y + satisfying c = ax + by. + */ +mp_result +mp_int_egcd(mp_int a, mp_int b, mp_int c, mp_int x, mp_int y) +{ + assert(a != NULL && b != NULL && c != NULL && (x != NULL || y != NULL)); + + mp_result res = MP_OK; + int ca = CMPZ(a); + int cb = CMPZ(b); + + if (ca == 0 && cb == 0) + { + return MP_UNDEF; + } + else if (ca == 0) + { + if ((res = mp_int_abs(b, c)) != MP_OK) + return res; + mp_int_zero(x); + (void) mp_int_set_value(y, 1); + return MP_OK; + } + else if (cb == 0) + { + if ((res = mp_int_abs(a, c)) != MP_OK) + return res; + (void) mp_int_set_value(x, 1); + mp_int_zero(y); + return MP_OK; + } + + /* + * Initialize temporaries: A:0, B:1, C:2, D:3, u:4, v:5, ou:6, ov:7 + */ + DECLARE_TEMP(8); + REQUIRE(mp_int_set_value(TEMP(0), 1)); + REQUIRE(mp_int_set_value(TEMP(3), 1)); + REQUIRE(mp_int_copy(a, TEMP(4))); + REQUIRE(mp_int_copy(b, TEMP(5))); + + /* We will work with absolute values here */ + TEMP(4)->sign = MP_ZPOS; + TEMP(5)->sign = MP_ZPOS; + + int k = 0; + + { /* Divide out common factors of 2 from u and v */ + int div2_u = s_dp2k(TEMP(4)), + div2_v = s_dp2k(TEMP(5)); + + k = MIN(div2_u, div2_v); + s_qdiv(TEMP(4), k); + s_qdiv(TEMP(5), k); + } + + REQUIRE(mp_int_copy(TEMP(4), TEMP(6))); + REQUIRE(mp_int_copy(TEMP(5), TEMP(7))); + + for (;;) + { + while (mp_int_is_even(TEMP(4))) + { + s_qdiv(TEMP(4), 1); + + if (mp_int_is_odd(TEMP(0)) || mp_int_is_odd(TEMP(1))) + { + REQUIRE(mp_int_add(TEMP(0), TEMP(7), TEMP(0))); + REQUIRE(mp_int_sub(TEMP(1), TEMP(6), TEMP(1))); + } + + s_qdiv(TEMP(0), 1); + s_qdiv(TEMP(1), 1); + } + + while (mp_int_is_even(TEMP(5))) + { + s_qdiv(TEMP(5), 1); + + if (mp_int_is_odd(TEMP(2)) || mp_int_is_odd(TEMP(3))) + { + REQUIRE(mp_int_add(TEMP(2), TEMP(7), TEMP(2))); + REQUIRE(mp_int_sub(TEMP(3), TEMP(6), TEMP(3))); + } + + s_qdiv(TEMP(2), 1); + s_qdiv(TEMP(3), 1); + } + + if (mp_int_compare(TEMP(4), TEMP(5)) >= 0) + { + REQUIRE(mp_int_sub(TEMP(4), TEMP(5), TEMP(4))); + REQUIRE(mp_int_sub(TEMP(0), TEMP(2), TEMP(0))); + REQUIRE(mp_int_sub(TEMP(1), TEMP(3), TEMP(1))); + } + else + { + REQUIRE(mp_int_sub(TEMP(5), TEMP(4), TEMP(5))); + REQUIRE(mp_int_sub(TEMP(2), TEMP(0), TEMP(2))); + REQUIRE(mp_int_sub(TEMP(3), TEMP(1), TEMP(3))); + } + + if (CMPZ(TEMP(4)) == 0) + { + if (x) + REQUIRE(mp_int_copy(TEMP(2), x)); + if (y) + REQUIRE(mp_int_copy(TEMP(3), y)); + if (c) + { + if (!s_qmul(TEMP(5), k)) + { + REQUIRE(MP_MEMORY); + } + REQUIRE(mp_int_copy(TEMP(5), c)); + } + + break; + } + } + + CLEANUP_TEMP(); + return MP_OK; +} + +mp_result +mp_int_lcm(mp_int a, mp_int b, mp_int c) +{ + assert(a != NULL && b != NULL && c != NULL); + + /* + * Since a * b = gcd(a, b) * lcm(a, b), we can compute lcm(a, b) = (a / + * gcd(a, b)) * b. + * + * This formulation insures everything works even if the input variables + * share space. + */ + DECLARE_TEMP(1); + REQUIRE(mp_int_gcd(a, b, TEMP(0))); + REQUIRE(mp_int_div(a, TEMP(0), TEMP(0), NULL)); + REQUIRE(mp_int_mul(TEMP(0), b, TEMP(0))); + REQUIRE(mp_int_copy(TEMP(0), c)); + + CLEANUP_TEMP(); + return MP_OK; +} + +bool +mp_int_divisible_value(mp_int a, mp_small v) +{ + mp_small rem = 0; + + if (mp_int_div_value(a, v, NULL, &rem) != MP_OK) + { + return false; + } + return rem == 0; +} + +int +mp_int_is_pow2(mp_int z) +{ + assert(z != NULL); + + return s_isp2(z); +} + +/* Implementation of Newton's root finding method, based loosely on a patch + contributed by Hal Finkel + modified by M. J. Fromberger. + */ +mp_result +mp_int_root(mp_int a, mp_small b, mp_int c) +{ + assert(a != NULL && c != NULL && b > 0); + + if (b == 1) + { + return mp_int_copy(a, c); + } + bool flips = false; + + if (MP_SIGN(a) == MP_NEG) + { + if (b % 2 == 0) + { + return MP_UNDEF; /* root does not exist for negative a with + * even b */ + } + else + { + flips = true; + } + } + + DECLARE_TEMP(5); + REQUIRE(mp_int_copy(a, TEMP(0))); + REQUIRE(mp_int_copy(a, TEMP(1))); + TEMP(0)->sign = MP_ZPOS; + TEMP(1)->sign = MP_ZPOS; + + for (;;) + { + REQUIRE(mp_int_expt(TEMP(1), b, TEMP(2))); + + if (mp_int_compare_unsigned(TEMP(2), TEMP(0)) <= 0) + break; + + REQUIRE(mp_int_sub(TEMP(2), TEMP(0), TEMP(2))); + REQUIRE(mp_int_expt(TEMP(1), b - 1, TEMP(3))); + REQUIRE(mp_int_mul_value(TEMP(3), b, TEMP(3))); + REQUIRE(mp_int_div(TEMP(2), TEMP(3), TEMP(4), NULL)); + REQUIRE(mp_int_sub(TEMP(1), TEMP(4), TEMP(4))); + + if (mp_int_compare_unsigned(TEMP(1), TEMP(4)) == 0) + { + REQUIRE(mp_int_sub_value(TEMP(4), 1, TEMP(4))); + } + REQUIRE(mp_int_copy(TEMP(4), TEMP(1))); + } + + REQUIRE(mp_int_copy(TEMP(1), c)); + + /* If the original value of a was negative, flip the output sign. */ + if (flips) + (void) mp_int_neg(c, c); /* cannot fail */ + + CLEANUP_TEMP(); + return MP_OK; +} + +mp_result +mp_int_to_int(mp_int z, mp_small *out) +{ + assert(z != NULL); + + /* Make sure the value is representable as a small integer */ + mp_sign sz = MP_SIGN(z); + + if ((sz == MP_ZPOS && mp_int_compare_value(z, MP_SMALL_MAX) > 0) || + mp_int_compare_value(z, MP_SMALL_MIN) < 0) + { + return MP_RANGE; + } + + mp_usmall uz = MP_USED(z); + mp_digit *dz = MP_DIGITS(z) + uz - 1; + mp_small uv = 0; + + while (uz > 0) + { + uv <<= MP_DIGIT_BIT / 2; + uv = (uv << (MP_DIGIT_BIT / 2)) | *dz--; + --uz; + } + + if (out) + *out = (mp_small) ((sz == MP_NEG) ? -uv : uv); + + return MP_OK; +} + +mp_result +mp_int_to_uint(mp_int z, mp_usmall *out) +{ + assert(z != NULL); + + /* Make sure the value is representable as an unsigned small integer */ + mp_size sz = MP_SIGN(z); + + if (sz == MP_NEG || mp_int_compare_uvalue(z, MP_USMALL_MAX) > 0) + { + return MP_RANGE; + } + + mp_size uz = MP_USED(z); + mp_digit *dz = MP_DIGITS(z) + uz - 1; + mp_usmall uv = 0; + + while (uz > 0) + { + uv <<= MP_DIGIT_BIT / 2; + uv = (uv << (MP_DIGIT_BIT / 2)) | *dz--; + --uz; + } + + if (out) + *out = uv; + + return MP_OK; +} + +mp_result +mp_int_to_string(mp_int z, mp_size radix, char *str, int limit) +{ + assert(z != NULL && str != NULL && limit >= 2); + assert(radix >= MP_MIN_RADIX && radix <= MP_MAX_RADIX); + + int cmp = 0; + + if (CMPZ(z) == 0) + { + *str++ = s_val2ch(0, 1); + } + else + { + mp_result res; + mpz_t tmp; + char *h, + *t; + + if ((res = mp_int_init_copy(&tmp, z)) != MP_OK) + return res; + + if (MP_SIGN(z) == MP_NEG) + { + *str++ = '-'; + --limit; + } + h = str; + + /* Generate digits in reverse order until finished or limit reached */ + for ( /* */ ; limit > 0; --limit) + { + mp_digit d; + + if ((cmp = CMPZ(&tmp)) == 0) + break; + + d = s_ddiv(&tmp, (mp_digit) radix); + *str++ = s_val2ch(d, 1); + } + t = str - 1; + + /* Put digits back in correct output order */ + while (h < t) + { + char tc = *h; + + *h++ = *t; + *t-- = tc; + } + + mp_int_clear(&tmp); + } + + *str = '\0'; + if (cmp == 0) + { + return MP_OK; + } + else + { + return MP_TRUNC; + } +} + +mp_result +mp_int_string_len(mp_int z, mp_size radix) +{ + assert(z != NULL); + assert(radix >= MP_MIN_RADIX && radix <= MP_MAX_RADIX); + + int len = s_outlen(z, radix) + 1; /* for terminator */ + + /* Allow for sign marker on negatives */ + if (MP_SIGN(z) == MP_NEG) + len += 1; + + return len; +} + +/* Read zero-terminated string into z */ +mp_result +mp_int_read_string(mp_int z, mp_size radix, const char *str) +{ + return mp_int_read_cstring(z, radix, str, NULL); +} + +mp_result +mp_int_read_cstring(mp_int z, mp_size radix, const char *str, + char **end) +{ + assert(z != NULL && str != NULL); + assert(radix >= MP_MIN_RADIX && radix <= MP_MAX_RADIX); + + /* Skip leading whitespace */ + while (isspace((unsigned char) *str)) + ++str; + + /* Handle leading sign tag (+/-, positive default) */ + switch (*str) + { + case '-': + z->sign = MP_NEG; + ++str; + break; + case '+': + ++str; /* fallthrough */ + default: + z->sign = MP_ZPOS; + break; + } + + /* Skip leading zeroes */ + int ch; + + while ((ch = s_ch2val(*str, radix)) == 0) + ++str; + + /* Make sure there is enough space for the value */ + if (!s_pad(z, s_inlen(strlen(str), radix))) + return MP_MEMORY; + + z->used = 1; + z->digits[0] = 0; + + while (*str != '\0' && ((ch = s_ch2val(*str, radix)) >= 0)) + { + s_dmul(z, (mp_digit) radix); + s_dadd(z, (mp_digit) ch); + ++str; + } + + CLAMP(z); + + /* Override sign for zero, even if negative specified. */ + if (CMPZ(z) == 0) + z->sign = MP_ZPOS; + + if (end != NULL) + *end = unconstify(char *, str); + + /* + * Return a truncation error if the string has unprocessed characters + * remaining, so the caller can tell if the whole string was done + */ + if (*str != '\0') + { + return MP_TRUNC; + } + else + { + return MP_OK; + } +} + +mp_result +mp_int_count_bits(mp_int z) +{ + assert(z != NULL); + + mp_size uz = MP_USED(z); + + if (uz == 1 && z->digits[0] == 0) + return 1; + + --uz; + mp_size nbits = uz * MP_DIGIT_BIT; + mp_digit d = z->digits[uz]; + + while (d != 0) + { + d >>= 1; + ++nbits; + } + + return nbits; +} + +mp_result +mp_int_to_binary(mp_int z, unsigned char *buf, int limit) +{ + static const int PAD_FOR_2C = 1; + + assert(z != NULL && buf != NULL); + + int limpos = limit; + mp_result res = s_tobin(z, buf, &limpos, PAD_FOR_2C); + + if (MP_SIGN(z) == MP_NEG) + s_2comp(buf, limpos); + + return res; +} + +mp_result +mp_int_read_binary(mp_int z, unsigned char *buf, int len) +{ + assert(z != NULL && buf != NULL && len > 0); + + /* Figure out how many digits are needed to represent this value */ + mp_size need = ((len * CHAR_BIT) + (MP_DIGIT_BIT - 1)) / MP_DIGIT_BIT; + + if (!s_pad(z, need)) + return MP_MEMORY; + + mp_int_zero(z); + + /* + * If the high-order bit is set, take the 2's complement before reading + * the value (it will be restored afterward) + */ + if (buf[0] >> (CHAR_BIT - 1)) + { + z->sign = MP_NEG; + s_2comp(buf, len); + } + + mp_digit *dz = MP_DIGITS(z); + unsigned char *tmp = buf; + + for (int i = len; i > 0; --i, ++tmp) + { + s_qmul(z, (mp_size) CHAR_BIT); + *dz |= *tmp; + } + + /* Restore 2's complement if we took it before */ + if (MP_SIGN(z) == MP_NEG) + s_2comp(buf, len); + + return MP_OK; +} + +mp_result +mp_int_binary_len(mp_int z) +{ + mp_result res = mp_int_count_bits(z); + + if (res <= 0) + return res; + + int bytes = mp_int_unsigned_len(z); + + /* + * If the highest-order bit falls exactly on a byte boundary, we need to + * pad with an extra byte so that the sign will be read correctly when + * reading it back in. + */ + if (bytes * CHAR_BIT == res) + ++bytes; + + return bytes; +} + +mp_result +mp_int_to_unsigned(mp_int z, unsigned char *buf, int limit) +{ + static const int NO_PADDING = 0; + + assert(z != NULL && buf != NULL); + + return s_tobin(z, buf, &limit, NO_PADDING); +} + +mp_result +mp_int_read_unsigned(mp_int z, unsigned char *buf, int len) +{ + assert(z != NULL && buf != NULL && len > 0); + + /* Figure out how many digits are needed to represent this value */ + mp_size need = ((len * CHAR_BIT) + (MP_DIGIT_BIT - 1)) / MP_DIGIT_BIT; + + if (!s_pad(z, need)) + return MP_MEMORY; + + mp_int_zero(z); + + unsigned char *tmp = buf; + + for (int i = len; i > 0; --i, ++tmp) + { + (void) s_qmul(z, CHAR_BIT); + *MP_DIGITS(z) |= *tmp; + } + + return MP_OK; +} + +mp_result +mp_int_unsigned_len(mp_int z) +{ + mp_result res = mp_int_count_bits(z); + + if (res <= 0) + return res; + + int bytes = (res + (CHAR_BIT - 1)) / CHAR_BIT; + + return bytes; +} + +const char * +mp_error_string(mp_result res) +{ + if (res > 0) + return s_unknown_err; + + res = -res; + int ix; + + for (ix = 0; ix < res && s_error_msg[ix] != NULL; ++ix) + ; + + if (s_error_msg[ix] != NULL) + { + return s_error_msg[ix]; + } + else + { + return s_unknown_err; + } +} + +/*------------------------------------------------------------------------*/ +/* Private functions for internal use. These make assumptions. */ + +#if IMATH_DEBUG +static const mp_digit fill = (mp_digit) 0xdeadbeefabad1dea; +#endif + +static mp_digit * +s_alloc(mp_size num) +{ + mp_digit *out = px_alloc(num * sizeof(mp_digit)); + + assert(out != NULL); + +#if IMATH_DEBUG + for (mp_size ix = 0; ix < num; ++ix) + out[ix] = fill; +#endif + return out; +} + +static mp_digit * +s_realloc(mp_digit *old, mp_size osize, mp_size nsize) +{ +#if IMATH_DEBUG + mp_digit *new = s_alloc(nsize); + + assert(new != NULL); + + for (mp_size ix = 0; ix < nsize; ++ix) + new[ix] = fill; + memcpy(new, old, osize * sizeof(mp_digit)); +#else + mp_digit *new = px_realloc(old, nsize * sizeof(mp_digit)); + + assert(new != NULL); +#endif + + return new; +} + +static void +s_free(void *ptr) +{ + px_free(ptr); +} + +static bool +s_pad(mp_int z, mp_size min) +{ + if (MP_ALLOC(z) < min) + { + mp_size nsize = s_round_prec(min); + mp_digit *tmp; + + if (z->digits == &(z->single)) + { + if ((tmp = s_alloc(nsize)) == NULL) + return false; + tmp[0] = z->single; + } + else if ((tmp = s_realloc(MP_DIGITS(z), MP_ALLOC(z), nsize)) == NULL) + { + return false; + } + + z->digits = tmp; + z->alloc = nsize; + } + + return true; +} + +/* Note: This will not work correctly when value == MP_SMALL_MIN */ +static void +s_fake(mp_int z, mp_small value, mp_digit vbuf[]) +{ + mp_usmall uv = (mp_usmall) (value < 0) ? -value : value; + + s_ufake(z, uv, vbuf); + if (value < 0) + z->sign = MP_NEG; +} + +static void +s_ufake(mp_int z, mp_usmall value, mp_digit vbuf[]) +{ + mp_size ndig = (mp_size) s_uvpack(value, vbuf); + + z->used = ndig; + z->alloc = MP_VALUE_DIGITS(value); + z->sign = MP_ZPOS; + z->digits = vbuf; +} + +static int +s_cdig(mp_digit *da, mp_digit *db, mp_size len) +{ + mp_digit *dat = da + len - 1, + *dbt = db + len - 1; + + for ( /* */ ; len != 0; --len, --dat, --dbt) + { + if (*dat > *dbt) + { + return 1; + } + else if (*dat < *dbt) + { + return -1; + } + } + + return 0; +} + +static int +s_uvpack(mp_usmall uv, mp_digit t[]) +{ + int ndig = 0; + + if (uv == 0) + t[ndig++] = 0; + else + { + while (uv != 0) + { + t[ndig++] = (mp_digit) uv; + uv >>= MP_DIGIT_BIT / 2; + uv >>= MP_DIGIT_BIT / 2; + } + } + + return ndig; +} + +static int +s_ucmp(mp_int a, mp_int b) +{ + mp_size ua = MP_USED(a), + ub = MP_USED(b); + + if (ua > ub) + { + return 1; + } + else if (ub > ua) + { + return -1; + } + else + { + return s_cdig(MP_DIGITS(a), MP_DIGITS(b), ua); + } +} + +static int +s_vcmp(mp_int a, mp_small v) +{ +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable: 4146) +#endif + mp_usmall uv = (v < 0) ? -(mp_usmall) v : (mp_usmall) v; +#ifdef _MSC_VER +#pragma warning(pop) +#endif + + return s_uvcmp(a, uv); +} + +static int +s_uvcmp(mp_int a, mp_usmall uv) +{ + mpz_t vtmp; + mp_digit vdig[MP_VALUE_DIGITS(uv)]; + + s_ufake(&vtmp, uv, vdig); + return s_ucmp(a, &vtmp); +} + +static mp_digit +s_uadd(mp_digit *da, mp_digit *db, mp_digit *dc, mp_size size_a, + mp_size size_b) +{ + mp_size pos; + mp_word w = 0; + + /* Insure that da is the longer of the two to simplify later code */ + if (size_b > size_a) + { + SWAP(mp_digit *, da, db); + SWAP(mp_size, size_a, size_b); + } + + /* Add corresponding digits until the shorter number runs out */ + for (pos = 0; pos < size_b; ++pos, ++da, ++db, ++dc) + { + w = w + (mp_word) *da + (mp_word) *db; + *dc = LOWER_HALF(w); + w = UPPER_HALF(w); + } + + /* Propagate carries as far as necessary */ + for ( /* */ ; pos < size_a; ++pos, ++da, ++dc) + { + w = w + *da; + + *dc = LOWER_HALF(w); + w = UPPER_HALF(w); + } + + /* Return carry out */ + return (mp_digit) w; +} + +static void +s_usub(mp_digit *da, mp_digit *db, mp_digit *dc, mp_size size_a, + mp_size size_b) +{ + mp_size pos; + mp_word w = 0; + + /* We assume that |a| >= |b| so this should definitely hold */ + assert(size_a >= size_b); + + /* Subtract corresponding digits and propagate borrow */ + for (pos = 0; pos < size_b; ++pos, ++da, ++db, ++dc) + { + w = ((mp_word) MP_DIGIT_MAX + 1 + /* MP_RADIX */ + (mp_word) *da) - + w - (mp_word) *db; + + *dc = LOWER_HALF(w); + w = (UPPER_HALF(w) == 0); + } + + /* Finish the subtraction for remaining upper digits of da */ + for ( /* */ ; pos < size_a; ++pos, ++da, ++dc) + { + w = ((mp_word) MP_DIGIT_MAX + 1 + /* MP_RADIX */ + (mp_word) *da) - + w; + + *dc = LOWER_HALF(w); + w = (UPPER_HALF(w) == 0); + } + + /* If there is a borrow out at the end, it violates the precondition */ + assert(w == 0); +} + +static int +s_kmul(mp_digit *da, mp_digit *db, mp_digit *dc, mp_size size_a, + mp_size size_b) +{ + mp_size bot_size; + + /* Make sure b is the smaller of the two input values */ + if (size_b > size_a) + { + SWAP(mp_digit *, da, db); + SWAP(mp_size, size_a, size_b); + } + + /* + * Insure that the bottom is the larger half in an odd-length split; the + * code below relies on this being true. + */ + bot_size = (size_a + 1) / 2; + + /* + * If the values are big enough to bother with recursion, use the + * Karatsuba algorithm to compute the product; otherwise use the normal + * multiplication algorithm + */ + if (multiply_threshold && size_a >= multiply_threshold && size_b > bot_size) + { + mp_digit *t1, + *t2, + *t3, + carry; + + mp_digit *a_top = da + bot_size; + mp_digit *b_top = db + bot_size; + + mp_size at_size = size_a - bot_size; + mp_size bt_size = size_b - bot_size; + mp_size buf_size = 2 * bot_size; + + /* + * Do a single allocation for all three temporary buffers needed; each + * buffer must be big enough to hold the product of two bottom halves, + * and one buffer needs space for the completed product; twice the + * space is plenty. + */ + if ((t1 = s_alloc(4 * buf_size)) == NULL) + return 0; + t2 = t1 + buf_size; + t3 = t2 + buf_size; + ZERO(t1, 4 * buf_size); + + /* + * t1 and t2 are initially used as temporaries to compute the inner + * product (a1 + a0)(b1 + b0) = a1b1 + a1b0 + a0b1 + a0b0 + */ + carry = s_uadd(da, a_top, t1, bot_size, at_size); /* t1 = a1 + a0 */ + t1[bot_size] = carry; + + carry = s_uadd(db, b_top, t2, bot_size, bt_size); /* t2 = b1 + b0 */ + t2[bot_size] = carry; + + (void) s_kmul(t1, t2, t3, bot_size + 1, bot_size + 1); /* t3 = t1 * t2 */ + + /* + * Now we'll get t1 = a0b0 and t2 = a1b1, and subtract them out so + * that we're left with only the pieces we want: t3 = a1b0 + a0b1 + */ + ZERO(t1, buf_size); + ZERO(t2, buf_size); + (void) s_kmul(da, db, t1, bot_size, bot_size); /* t1 = a0 * b0 */ + (void) s_kmul(a_top, b_top, t2, at_size, bt_size); /* t2 = a1 * b1 */ + + /* Subtract out t1 and t2 to get the inner product */ + s_usub(t3, t1, t3, buf_size + 2, buf_size); + s_usub(t3, t2, t3, buf_size + 2, buf_size); + + /* Assemble the output value */ + COPY(t1, dc, buf_size); + carry = s_uadd(t3, dc + bot_size, dc + bot_size, buf_size + 1, buf_size); + assert(carry == 0); + + carry = + s_uadd(t2, dc + 2 * bot_size, dc + 2 * bot_size, buf_size, buf_size); + assert(carry == 0); + + s_free(t1); /* note t2 and t3 are just internal pointers + * to t1 */ + } + else + { + s_umul(da, db, dc, size_a, size_b); + } + + return 1; +} + +static void +s_umul(mp_digit *da, mp_digit *db, mp_digit *dc, mp_size size_a, + mp_size size_b) +{ + mp_size a, + b; + mp_word w; + + for (a = 0; a < size_a; ++a, ++dc, ++da) + { + mp_digit *dct = dc; + mp_digit *dbt = db; + + if (*da == 0) + continue; + + w = 0; + for (b = 0; b < size_b; ++b, ++dbt, ++dct) + { + w = (mp_word) *da * (mp_word) *dbt + w + (mp_word) *dct; + + *dct = LOWER_HALF(w); + w = UPPER_HALF(w); + } + + *dct = (mp_digit) w; + } +} + +static int +s_ksqr(mp_digit *da, mp_digit *dc, mp_size size_a) +{ + if (multiply_threshold && size_a > multiply_threshold) + { + mp_size bot_size = (size_a + 1) / 2; + mp_digit *a_top = da + bot_size; + mp_digit *t1, + *t2, + *t3, + carry PG_USED_FOR_ASSERTS_ONLY; + mp_size at_size = size_a - bot_size; + mp_size buf_size = 2 * bot_size; + + if ((t1 = s_alloc(4 * buf_size)) == NULL) + return 0; + t2 = t1 + buf_size; + t3 = t2 + buf_size; + ZERO(t1, 4 * buf_size); + + (void) s_ksqr(da, t1, bot_size); /* t1 = a0 ^ 2 */ + (void) s_ksqr(a_top, t2, at_size); /* t2 = a1 ^ 2 */ + + (void) s_kmul(da, a_top, t3, bot_size, at_size); /* t3 = a0 * a1 */ + + /* Quick multiply t3 by 2, shifting left (can't overflow) */ + { + int i, + top = bot_size + at_size; + mp_word w, + save = 0; + + for (i = 0; i < top; ++i) + { + w = t3[i]; + w = (w << 1) | save; + t3[i] = LOWER_HALF(w); + save = UPPER_HALF(w); + } + t3[i] = LOWER_HALF(save); + } + + /* Assemble the output value */ + COPY(t1, dc, 2 * bot_size); + carry = s_uadd(t3, dc + bot_size, dc + bot_size, buf_size + 1, buf_size); + assert(carry == 0); + + carry = + s_uadd(t2, dc + 2 * bot_size, dc + 2 * bot_size, buf_size, buf_size); + assert(carry == 0); + + s_free(t1); /* note that t2 and t2 are internal pointers + * only */ + + } + else + { + s_usqr(da, dc, size_a); + } + + return 1; +} + +static void +s_usqr(mp_digit *da, mp_digit *dc, mp_size size_a) +{ + mp_size i, + j; + mp_word w; + + for (i = 0; i < size_a; ++i, dc += 2, ++da) + { + mp_digit *dct = dc, + *dat = da; + + if (*da == 0) + continue; + + /* Take care of the first digit, no rollover */ + w = (mp_word) *dat * (mp_word) *dat + (mp_word) *dct; + *dct = LOWER_HALF(w); + w = UPPER_HALF(w); + ++dat; + ++dct; + + for (j = i + 1; j < size_a; ++j, ++dat, ++dct) + { + mp_word t = (mp_word) *da * (mp_word) *dat; + mp_word u = w + (mp_word) *dct, + ov = 0; + + /* Check if doubling t will overflow a word */ + if (HIGH_BIT_SET(t)) + ov = 1; + + w = t + t; + + /* Check if adding u to w will overflow a word */ + if (ADD_WILL_OVERFLOW(w, u)) + ov = 1; + + w += u; + + *dct = LOWER_HALF(w); + w = UPPER_HALF(w); + if (ov) + { + w += MP_DIGIT_MAX; /* MP_RADIX */ + ++w; + } + } + + w = w + *dct; + *dct = (mp_digit) w; + while ((w = UPPER_HALF(w)) != 0) + { + ++dct; + w = w + *dct; + *dct = LOWER_HALF(w); + } + + assert(w == 0); + } +} + +static void +s_dadd(mp_int a, mp_digit b) +{ + mp_word w = 0; + mp_digit *da = MP_DIGITS(a); + mp_size ua = MP_USED(a); + + w = (mp_word) *da + b; + *da++ = LOWER_HALF(w); + w = UPPER_HALF(w); + + for (ua -= 1; ua > 0; --ua, ++da) + { + w = (mp_word) *da + w; + + *da = LOWER_HALF(w); + w = UPPER_HALF(w); + } + + if (w) + { + *da = (mp_digit) w; + a->used += 1; + } +} + +static void +s_dmul(mp_int a, mp_digit b) +{ + mp_word w = 0; + mp_digit *da = MP_DIGITS(a); + mp_size ua = MP_USED(a); + + while (ua > 0) + { + w = (mp_word) *da * b + w; + *da++ = LOWER_HALF(w); + w = UPPER_HALF(w); + --ua; + } + + if (w) + { + *da = (mp_digit) w; + a->used += 1; + } +} + +static void +s_dbmul(mp_digit *da, mp_digit b, mp_digit *dc, mp_size size_a) +{ + mp_word w = 0; + + while (size_a > 0) + { + w = (mp_word) *da++ * (mp_word) b + w; + + *dc++ = LOWER_HALF(w); + w = UPPER_HALF(w); + --size_a; + } + + if (w) + *dc = LOWER_HALF(w); +} + +static mp_digit +s_ddiv(mp_int a, mp_digit b) +{ + mp_word w = 0, + qdigit; + mp_size ua = MP_USED(a); + mp_digit *da = MP_DIGITS(a) + ua - 1; + + for ( /* */ ; ua > 0; --ua, --da) + { + w = (w << MP_DIGIT_BIT) | *da; + + if (w >= b) + { + qdigit = w / b; + w = w % b; + } + else + { + qdigit = 0; + } + + *da = (mp_digit) qdigit; + } + + CLAMP(a); + return (mp_digit) w; +} + +static void +s_qdiv(mp_int z, mp_size p2) +{ + mp_size ndig = p2 / MP_DIGIT_BIT, + nbits = p2 % MP_DIGIT_BIT; + mp_size uz = MP_USED(z); + + if (ndig) + { + mp_size mark; + mp_digit *to, + *from; + + if (ndig >= uz) + { + mp_int_zero(z); + return; + } + + to = MP_DIGITS(z); + from = to + ndig; + + for (mark = ndig; mark < uz; ++mark) + { + *to++ = *from++; + } + + z->used = uz - ndig; + } + + if (nbits) + { + mp_digit d = 0, + *dz, + save; + mp_size up = MP_DIGIT_BIT - nbits; + + uz = MP_USED(z); + dz = MP_DIGITS(z) + uz - 1; + + for ( /* */ ; uz > 0; --uz, --dz) + { + save = *dz; + + *dz = (*dz >> nbits) | (d << up); + d = save; + } + + CLAMP(z); + } + + if (MP_USED(z) == 1 && z->digits[0] == 0) + z->sign = MP_ZPOS; +} + +static void +s_qmod(mp_int z, mp_size p2) +{ + mp_size start = p2 / MP_DIGIT_BIT + 1, + rest = p2 % MP_DIGIT_BIT; + mp_size uz = MP_USED(z); + mp_digit mask = (1u << rest) - 1; + + if (start <= uz) + { + z->used = start; + z->digits[start - 1] &= mask; + CLAMP(z); + } +} + +static int +s_qmul(mp_int z, mp_size p2) +{ + mp_size uz, + need, + rest, + extra, + i; + mp_digit *from, + *to, + d; + + if (p2 == 0) + return 1; + + uz = MP_USED(z); + need = p2 / MP_DIGIT_BIT; + rest = p2 % MP_DIGIT_BIT; + + /* + * Figure out if we need an extra digit at the top end; this occurs if the + * topmost `rest' bits of the high-order digit of z are not zero, meaning + * they will be shifted off the end if not preserved + */ + extra = 0; + if (rest != 0) + { + mp_digit *dz = MP_DIGITS(z) + uz - 1; + + if ((*dz >> (MP_DIGIT_BIT - rest)) != 0) + extra = 1; + } + + if (!s_pad(z, uz + need + extra)) + return 0; + + /* + * If we need to shift by whole digits, do that in one pass, then to back + * and shift by partial digits. + */ + if (need > 0) + { + from = MP_DIGITS(z) + uz - 1; + to = from + need; + + for (i = 0; i < uz; ++i) + *to-- = *from--; + + ZERO(MP_DIGITS(z), need); + uz += need; + } + + if (rest) + { + d = 0; + for (i = need, from = MP_DIGITS(z) + need; i < uz; ++i, ++from) + { + mp_digit save = *from; + + *from = (*from << rest) | (d >> (MP_DIGIT_BIT - rest)); + d = save; + } + + d >>= (MP_DIGIT_BIT - rest); + if (d != 0) + { + *from = d; + uz += extra; + } + } + + z->used = uz; + CLAMP(z); + + return 1; +} + +/* Compute z = 2^p2 - |z|; requires that 2^p2 >= |z| + The sign of the result is always zero/positive. + */ +static int +s_qsub(mp_int z, mp_size p2) +{ + mp_digit hi = (1u << (p2 % MP_DIGIT_BIT)), + *zp; + mp_size tdig = (p2 / MP_DIGIT_BIT), + pos; + mp_word w = 0; + + if (!s_pad(z, tdig + 1)) + return 0; + + for (pos = 0, zp = MP_DIGITS(z); pos < tdig; ++pos, ++zp) + { + w = ((mp_word) MP_DIGIT_MAX + 1) - w - (mp_word) *zp; + + *zp = LOWER_HALF(w); + w = UPPER_HALF(w) ? 0 : 1; + } + + w = ((mp_word) MP_DIGIT_MAX + 1 + hi) - w - (mp_word) *zp; + *zp = LOWER_HALF(w); + + assert(UPPER_HALF(w) != 0); /* no borrow out should be possible */ + + z->sign = MP_ZPOS; + CLAMP(z); + + return 1; +} + +static int +s_dp2k(mp_int z) +{ + int k = 0; + mp_digit *dp = MP_DIGITS(z), + d; + + if (MP_USED(z) == 1 && *dp == 0) + return 1; + + while (*dp == 0) + { + k += MP_DIGIT_BIT; + ++dp; + } + + d = *dp; + while ((d & 1) == 0) + { + d >>= 1; + ++k; + } + + return k; +} + +static int +s_isp2(mp_int z) +{ + mp_size uz = MP_USED(z), + k = 0; + mp_digit *dz = MP_DIGITS(z), + d; + + while (uz > 1) + { + if (*dz++ != 0) + return -1; + k += MP_DIGIT_BIT; + --uz; + } + + d = *dz; + while (d > 1) + { + if (d & 1) + return -1; + ++k; + d >>= 1; + } + + return (int) k; +} + +static int +s_2expt(mp_int z, mp_small k) +{ + mp_size ndig, + rest; + mp_digit *dz; + + ndig = (k + MP_DIGIT_BIT) / MP_DIGIT_BIT; + rest = k % MP_DIGIT_BIT; + + if (!s_pad(z, ndig)) + return 0; + + dz = MP_DIGITS(z); + ZERO(dz, ndig); + *(dz + ndig - 1) = (1u << rest); + z->used = ndig; + + return 1; +} + +static int +s_norm(mp_int a, mp_int b) +{ + mp_digit d = b->digits[MP_USED(b) - 1]; + int k = 0; + + while (d < (1u << (mp_digit) (MP_DIGIT_BIT - 1))) + { /* d < (MP_RADIX / 2) */ + d <<= 1; + ++k; + } + + /* These multiplications can't fail */ + if (k != 0) + { + (void) s_qmul(a, (mp_size) k); + (void) s_qmul(b, (mp_size) k); + } + + return k; +} + +static mp_result +s_brmu(mp_int z, mp_int m) +{ + mp_size um = MP_USED(m) * 2; + + if (!s_pad(z, um)) + return MP_MEMORY; + + s_2expt(z, MP_DIGIT_BIT * um); + return mp_int_div(z, m, z, NULL); +} + +static int +s_reduce(mp_int x, mp_int m, mp_int mu, mp_int q1, mp_int q2) +{ + mp_size um = MP_USED(m), + umb_p1, + umb_m1; + + umb_p1 = (um + 1) * MP_DIGIT_BIT; + umb_m1 = (um - 1) * MP_DIGIT_BIT; + + if (mp_int_copy(x, q1) != MP_OK) + return 0; + + /* Compute q2 = floor((floor(x / b^(k-1)) * mu) / b^(k+1)) */ + s_qdiv(q1, umb_m1); + UMUL(q1, mu, q2); + s_qdiv(q2, umb_p1); + + /* Set x = x mod b^(k+1) */ + s_qmod(x, umb_p1); + + /* + * Now, q is a guess for the quotient a / m. Compute x - q * m mod + * b^(k+1), replacing x. This may be off by a factor of 2m, but no more + * than that. + */ + UMUL(q2, m, q1); + s_qmod(q1, umb_p1); + (void) mp_int_sub(x, q1, x); /* can't fail */ + + /* + * The result may be < 0; if it is, add b^(k+1) to pin it in the proper + * range. + */ + if ((CMPZ(x) < 0) && !s_qsub(x, umb_p1)) + return 0; + + /* + * If x > m, we need to back it off until it is in range. This will be + * required at most twice. + */ + if (mp_int_compare(x, m) >= 0) + { + (void) mp_int_sub(x, m, x); + if (mp_int_compare(x, m) >= 0) + { + (void) mp_int_sub(x, m, x); + } + } + + /* At this point, x has been properly reduced. */ + return 1; +} + +/* Perform modular exponentiation using Barrett's method, where mu is the + reduction constant for m. Assumes a < m, b > 0. */ +static mp_result +s_embar(mp_int a, mp_int b, mp_int m, mp_int mu, mp_int c) +{ + mp_digit umu = MP_USED(mu); + mp_digit *db = MP_DIGITS(b); + mp_digit *dbt = db + MP_USED(b) - 1; + + DECLARE_TEMP(3); + REQUIRE(GROW(TEMP(0), 4 * umu)); + REQUIRE(GROW(TEMP(1), 4 * umu)); + REQUIRE(GROW(TEMP(2), 4 * umu)); + ZERO(TEMP(0)->digits, TEMP(0)->alloc); + ZERO(TEMP(1)->digits, TEMP(1)->alloc); + ZERO(TEMP(2)->digits, TEMP(2)->alloc); + + (void) mp_int_set_value(c, 1); + + /* Take care of low-order digits */ + while (db < dbt) + { + mp_digit d = *db; + + for (int i = MP_DIGIT_BIT; i > 0; --i, d >>= 1) + { + if (d & 1) + { + /* The use of a second temporary avoids allocation */ + UMUL(c, a, TEMP(0)); + if (!s_reduce(TEMP(0), m, mu, TEMP(1), TEMP(2))) + { + REQUIRE(MP_MEMORY); + } + mp_int_copy(TEMP(0), c); + } + + USQR(a, TEMP(0)); + assert(MP_SIGN(TEMP(0)) == MP_ZPOS); + if (!s_reduce(TEMP(0), m, mu, TEMP(1), TEMP(2))) + { + REQUIRE(MP_MEMORY); + } + assert(MP_SIGN(TEMP(0)) == MP_ZPOS); + mp_int_copy(TEMP(0), a); + } + + ++db; + } + + /* Take care of highest-order digit */ + mp_digit d = *dbt; + + for (;;) + { + if (d & 1) + { + UMUL(c, a, TEMP(0)); + if (!s_reduce(TEMP(0), m, mu, TEMP(1), TEMP(2))) + { + REQUIRE(MP_MEMORY); + } + mp_int_copy(TEMP(0), c); + } + + d >>= 1; + if (!d) + break; + + USQR(a, TEMP(0)); + if (!s_reduce(TEMP(0), m, mu, TEMP(1), TEMP(2))) + { + REQUIRE(MP_MEMORY); + } + (void) mp_int_copy(TEMP(0), a); + } + + CLEANUP_TEMP(); + return MP_OK; +} + +/* Division of nonnegative integers + + This function implements division algorithm for unsigned multi-precision + integers. The algorithm is based on Algorithm D from Knuth's "The Art of + Computer Programming", 3rd ed. 1998, pg 272-273. + + We diverge from Knuth's algorithm in that we do not perform the subtraction + from the remainder until we have determined that we have the correct + quotient digit. This makes our algorithm less efficient that Knuth because + we might have to perform multiple multiplication and comparison steps before + the subtraction. The advantage is that it is easy to implement and ensure + correctness without worrying about underflow from the subtraction. + + inputs: u a n+m digit integer in base b (b is 2^MP_DIGIT_BIT) + v a n digit integer in base b (b is 2^MP_DIGIT_BIT) + n >= 1 + m >= 0 + outputs: u / v stored in u + u % v stored in v + */ +static mp_result +s_udiv_knuth(mp_int u, mp_int v) +{ + /* Force signs to positive */ + u->sign = MP_ZPOS; + v->sign = MP_ZPOS; + + /* Use simple division algorithm when v is only one digit long */ + if (MP_USED(v) == 1) + { + mp_digit d, + rem; + + d = v->digits[0]; + rem = s_ddiv(u, d); + mp_int_set_value(v, rem); + return MP_OK; + } + + /* + * Algorithm D + * + * The n and m variables are defined as used by Knuth. u is an n digit + * number with digits u_{n-1}..u_0. v is an n+m digit number with digits + * from v_{m+n-1}..v_0. We require that n > 1 and m >= 0 + */ + mp_size n = MP_USED(v); + mp_size m = MP_USED(u) - n; + + assert(n > 1); + /* assert(m >= 0) follows because m is unsigned. */ + + /* + * D1: Normalize. The normalization step provides the necessary condition + * for Theorem B, which states that the quotient estimate for q_j, call it + * qhat + * + * qhat = u_{j+n}u_{j+n-1} / v_{n-1} + * + * is bounded by + * + * qhat - 2 <= q_j <= qhat. + * + * That is, qhat is always greater than the actual quotient digit q, and + * it is never more than two larger than the actual quotient digit. + */ + int k = s_norm(u, v); + + /* + * Extend size of u by one if needed. + * + * The algorithm begins with a value of u that has one more digit of + * input. The normalization step sets u_{m+n}..u_0 = 2^k * u_{m+n-1}..u_0. + * If the multiplication did not increase the number of digits of u, we + * need to add a leading zero here. + */ + if (k == 0 || MP_USED(u) != m + n + 1) + { + if (!s_pad(u, m + n + 1)) + return MP_MEMORY; + u->digits[m + n] = 0; + u->used = m + n + 1; + } + + /* + * Add a leading 0 to v. + * + * The multiplication in step D4 multiplies qhat * 0v_{n-1}..v_0. We need + * to add the leading zero to v here to ensure that the multiplication + * will produce the full n+1 digit result. + */ + if (!s_pad(v, n + 1)) + return MP_MEMORY; + v->digits[n] = 0; + + /* + * Initialize temporary variables q and t. q allocates space for m+1 + * digits to store the quotient digits t allocates space for n+1 digits to + * hold the result of q_j*v + */ + DECLARE_TEMP(2); + REQUIRE(GROW(TEMP(0), m + 1)); + REQUIRE(GROW(TEMP(1), n + 1)); + + /* D2: Initialize j */ + int j = m; + mpz_t r; + + r.digits = MP_DIGITS(u) + j; /* The contents of r are shared with u */ + r.used = n + 1; + r.sign = MP_ZPOS; + r.alloc = MP_ALLOC(u); + ZERO(TEMP(1)->digits, TEMP(1)->alloc); + + /* Calculate the m+1 digits of the quotient result */ + for (; j >= 0; j--) + { + /* D3: Calculate q' */ + /* r->digits is aligned to position j of the number u */ + mp_word pfx, + qhat; + + pfx = r.digits[n]; + pfx <<= MP_DIGIT_BIT / 2; + pfx <<= MP_DIGIT_BIT / 2; + pfx |= r.digits[n - 1]; /* pfx = u_{j+n}{j+n-1} */ + + qhat = pfx / v->digits[n - 1]; + + /* + * Check to see if qhat > b, and decrease qhat if so. Theorem B + * guarantess that qhat is at most 2 larger than the actual value, so + * it is possible that qhat is greater than the maximum value that + * will fit in a digit + */ + if (qhat > MP_DIGIT_MAX) + qhat = MP_DIGIT_MAX; + + /* + * D4,D5,D6: Multiply qhat * v and test for a correct value of q + * + * We proceed a bit different than the way described by Knuth. This + * way is simpler but less efficent. Instead of doing the multiply and + * subtract then checking for underflow, we first do the multiply of + * qhat * v and see if it is larger than the current remainder r. If + * it is larger, we decrease qhat by one and try again. We may need to + * decrease qhat one more time before we get a value that is smaller + * than r. + * + * This way is less efficent than Knuth becuase we do more multiplies, + * but we do not need to worry about underflow this way. + */ + /* t = qhat * v */ + s_dbmul(MP_DIGITS(v), (mp_digit) qhat, TEMP(1)->digits, n + 1); + TEMP(1)->used = n + 1; + CLAMP(TEMP(1)); + + /* Clamp r for the comparison. Comparisons do not like leading zeros. */ + CLAMP(&r); + if (s_ucmp(TEMP(1), &r) > 0) + { /* would the remainder be negative? */ + qhat -= 1; /* try a smaller q */ + s_dbmul(MP_DIGITS(v), (mp_digit) qhat, TEMP(1)->digits, n + 1); + TEMP(1)->used = n + 1; + CLAMP(TEMP(1)); + if (s_ucmp(TEMP(1), &r) > 0) + { /* would the remainder be negative? */ + assert(qhat > 0); + qhat -= 1; /* try a smaller q */ + s_dbmul(MP_DIGITS(v), (mp_digit) qhat, TEMP(1)->digits, n + 1); + TEMP(1)->used = n + 1; + CLAMP(TEMP(1)); + } + assert(s_ucmp(TEMP(1), &r) <= 0 && "The mathematics failed us."); + } + + /* + * Unclamp r. The D algorithm expects r = u_{j+n}..u_j to always be + * n+1 digits long. + */ + r.used = n + 1; + + /* + * D4: Multiply and subtract + * + * Note: The multiply was completed above so we only need to subtract + * here. + */ + s_usub(r.digits, TEMP(1)->digits, r.digits, r.used, TEMP(1)->used); + + /* + * D5: Test remainder + * + * Note: Not needed because we always check that qhat is the correct + * value before performing the subtract. Value cast to mp_digit to + * prevent warning, qhat has been clamped to MP_DIGIT_MAX + */ + TEMP(0)->digits[j] = (mp_digit) qhat; + + /* + * D6: Add back Note: Not needed because we always check that qhat is + * the correct value before performing the subtract. + */ + + /* D7: Loop on j */ + r.digits--; + ZERO(TEMP(1)->digits, TEMP(1)->alloc); + } + + /* Get rid of leading zeros in q */ + TEMP(0)->used = m + 1; + CLAMP(TEMP(0)); + + /* Denormalize the remainder */ + CLAMP(u); /* use u here because the r.digits pointer is + * off-by-one */ + if (k != 0) + s_qdiv(u, k); + + mp_int_copy(u, v); /* ok: 0 <= r < v */ + mp_int_copy(TEMP(0), u); /* ok: q <= u */ + + CLEANUP_TEMP(); + return MP_OK; +} + +static int +s_outlen(mp_int z, mp_size r) +{ + assert(r >= MP_MIN_RADIX && r <= MP_MAX_RADIX); + + mp_result bits = mp_int_count_bits(z); + double raw = (double) bits * s_log2[r]; + + return (int) (raw + 0.999999); +} + +static mp_size +s_inlen(int len, mp_size r) +{ + double raw = (double) len / s_log2[r]; + mp_size bits = (mp_size) (raw + 0.5); + + return (mp_size) ((bits + (MP_DIGIT_BIT - 1)) / MP_DIGIT_BIT) + 1; +} + +static int +s_ch2val(char c, int r) +{ + int out; + + /* + * In some locales, isalpha() accepts characters outside the range A-Z, + * producing out<0 or out>=36. The "out >= r" check will always catch + * out>=36. Though nothing explicitly catches out<0, our caller reacts + * the same way to every negative return value. + */ + if (isdigit((unsigned char) c)) + out = c - '0'; + else if (r > 10 && isalpha((unsigned char) c)) + out = toupper((unsigned char) c) - 'A' + 10; + else + return -1; + + return (out >= r) ? -1 : out; +} + +static char +s_val2ch(int v, int caps) +{ + assert(v >= 0); + + if (v < 10) + { + return v + '0'; + } + else + { + char out = (v - 10) + 'a'; + + if (caps) + { + return toupper((unsigned char) out); + } + else + { + return out; + } + } +} + +static void +s_2comp(unsigned char *buf, int len) +{ + unsigned short s = 1; + + for (int i = len - 1; i >= 0; --i) + { + unsigned char c = ~buf[i]; + + s = c + s; + c = s & UCHAR_MAX; + s >>= CHAR_BIT; + + buf[i] = c; + } + + /* last carry out is ignored */ +} + +static mp_result +s_tobin(mp_int z, unsigned char *buf, int *limpos, int pad) +{ + int pos = 0, + limit = *limpos; + mp_size uz = MP_USED(z); + mp_digit *dz = MP_DIGITS(z); + + while (uz > 0 && pos < limit) + { + mp_digit d = *dz++; + int i; + + for (i = sizeof(mp_digit); i > 0 && pos < limit; --i) + { + buf[pos++] = (unsigned char) d; + d >>= CHAR_BIT; + + /* Don't write leading zeroes */ + if (d == 0 && uz == 1) + i = 0; /* exit loop without signaling truncation */ + } + + /* Detect truncation (loop exited with pos >= limit) */ + if (i > 0) + break; + + --uz; + } + + if (pad != 0 && (buf[pos - 1] >> (CHAR_BIT - 1))) + { + if (pos < limit) + { + buf[pos++] = 0; + } + else + { + uz = 1; + } + } + + /* Digits are in reverse order, fix that */ + REV(buf, pos); + + /* Return the number of bytes actually written */ + *limpos = pos; + + return (uz == 0) ? MP_OK : MP_TRUNC; +} + +/* Here there be dragons */ diff --git a/contrib/pgcrypto/imath.h b/contrib/pgcrypto/imath.h new file mode 100644 index 0000000..0e1676d --- /dev/null +++ b/contrib/pgcrypto/imath.h @@ -0,0 +1,445 @@ +/* + Name: imath.h + Purpose: Arbitrary precision integer arithmetic routines. + Author: M. J. Fromberger + + Copyright (C) 2002-2007 Michael J. Fromberger, All Rights Reserved. + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE. + */ + +#ifndef IMATH_H_ +#define IMATH_H_ + +#include + +typedef unsigned char mp_sign; +typedef unsigned int mp_size; +typedef int mp_result; +typedef long mp_small; /* must be a signed type */ +typedef unsigned long mp_usmall; /* must be an unsigned type */ + + +/* Build with words as uint64 by default. */ +#ifdef USE_32BIT_WORDS +typedef uint16 mp_digit; +typedef uint32 mp_word; +#define MP_DIGIT_MAX (PG_UINT16_MAX * 1UL) +#define MP_WORD_MAX (PG_UINT32_MAX * 1UL) +#else +typedef uint32 mp_digit; +typedef uint64 mp_word; +#define MP_DIGIT_MAX (PG_UINT32_MAX * UINT64CONST(1)) +#define MP_WORD_MAX (PG_UINT64_MAX) +#endif + +typedef struct +{ + mp_digit single; + mp_digit *digits; + mp_size alloc; + mp_size used; + mp_sign sign; +} mpz_t , + + *mp_int; + +static inline mp_digit * +MP_DIGITS(mp_int Z) +{ + return Z->digits; +} +static inline mp_size +MP_ALLOC(mp_int Z) +{ + return Z->alloc; +} +static inline mp_size +MP_USED(mp_int Z) +{ + return Z->used; +} +static inline mp_sign +MP_SIGN(mp_int Z) +{ + return Z->sign; +} + +extern const mp_result MP_OK; +extern const mp_result MP_FALSE; +extern const mp_result MP_TRUE; +extern const mp_result MP_MEMORY; +extern const mp_result MP_RANGE; +extern const mp_result MP_UNDEF; +extern const mp_result MP_TRUNC; +extern const mp_result MP_BADARG; +extern const mp_result MP_MINERR; + +#define MP_DIGIT_BIT (sizeof(mp_digit) * CHAR_BIT) +#define MP_WORD_BIT (sizeof(mp_word) * CHAR_BIT) +#define MP_SMALL_MIN LONG_MIN +#define MP_SMALL_MAX LONG_MAX +#define MP_USMALL_MAX ULONG_MAX + +#define MP_MIN_RADIX 2 +#define MP_MAX_RADIX 36 + +/** Sets the default number of digits allocated to an `mp_int` constructed by + `mp_int_init_size()` with `prec == 0`. Allocations are rounded up to + multiples of this value. `MP_DEFAULT_PREC` is the default value. Requires + `ndigits > 0`. */ +void mp_int_default_precision(mp_size ndigits); + +/** Sets the number of digits below which multiplication will use the standard + quadratic "schoolbook" multiplcation algorithm rather than Karatsuba-Ofman. + Requires `ndigits >= sizeof(mp_word)`. */ +void mp_int_multiply_threshold(mp_size ndigits); + +/** A sign indicating a (strictly) negative value. */ +extern const mp_sign MP_NEG; + +/** A sign indicating a zero or positive value. */ +extern const mp_sign MP_ZPOS; + +/** Reports whether `z` is odd, having remainder 1 when divided by 2. */ +static inline bool +mp_int_is_odd(mp_int z) +{ + return (z->digits[0] & 1) != 0; +} + +/** Reports whether `z` is even, having remainder 0 when divided by 2. */ +static inline bool +mp_int_is_even(mp_int z) +{ + return (z->digits[0] & 1) == 0; +} + +/** Initializes `z` with 1-digit precision and sets it to zero. This function + cannot fail unless `z == NULL`. */ +mp_result mp_int_init(mp_int z); + +/** Allocates a fresh zero-valued `mpz_t` on the heap, returning NULL in case + of error. The only possible error is out-of-memory. */ +mp_int mp_int_alloc(void); + +/** Initializes `z` with at least `prec` digits of storage, and sets it to + zero. If `prec` is zero, the default precision is used. In either case the + size is rounded up to the nearest multiple of the word size. */ +mp_result mp_int_init_size(mp_int z, mp_size prec); + +/** Initializes `z` to be a copy of an already-initialized value in `old`. The + new copy does not share storage with the original. */ +mp_result mp_int_init_copy(mp_int z, mp_int old); + +/** Initializes `z` to the specified signed `value` at default precision. */ +mp_result mp_int_init_value(mp_int z, mp_small value); + +/** Initializes `z` to the specified unsigned `value` at default precision. */ +mp_result mp_int_init_uvalue(mp_int z, mp_usmall uvalue); + +/** Sets `z` to the value of the specified signed `value`. */ +mp_result mp_int_set_value(mp_int z, mp_small value); + +/** Sets `z` to the value of the specified unsigned `value`. */ +mp_result mp_int_set_uvalue(mp_int z, mp_usmall uvalue); + +/** Releases the storage used by `z`. */ +void mp_int_clear(mp_int z); + +/** Releases the storage used by `z` and also `z` itself. + This should only be used for `z` allocated by `mp_int_alloc()`. */ +void mp_int_free(mp_int z); + +/** Replaces the value of `c` with a copy of the value of `a`. No new memory is + allocated unless `a` has more significant digits than `c` has allocated. */ +mp_result mp_int_copy(mp_int a, mp_int c); + +/** Swaps the values and storage between `a` and `c`. */ +void mp_int_swap(mp_int a, mp_int c); + +/** Sets `z` to zero. The allocated storage of `z` is not changed. */ +void mp_int_zero(mp_int z); + +/** Sets `c` to the absolute value of `a`. */ +mp_result mp_int_abs(mp_int a, mp_int c); + +/** Sets `c` to the additive inverse (negation) of `a`. */ +mp_result mp_int_neg(mp_int a, mp_int c); + +/** Sets `c` to the sum of `a` and `b`. */ +mp_result mp_int_add(mp_int a, mp_int b, mp_int c); + +/** Sets `c` to the sum of `a` and `value`. */ +mp_result mp_int_add_value(mp_int a, mp_small value, mp_int c); + +/** Sets `c` to the difference of `a` less `b`. */ +mp_result mp_int_sub(mp_int a, mp_int b, mp_int c); + +/** Sets `c` to the difference of `a` less `value`. */ +mp_result mp_int_sub_value(mp_int a, mp_small value, mp_int c); + +/** Sets `c` to the product of `a` and `b`. */ +mp_result mp_int_mul(mp_int a, mp_int b, mp_int c); + +/** Sets `c` to the product of `a` and `value`. */ +mp_result mp_int_mul_value(mp_int a, mp_small value, mp_int c); + +/** Sets `c` to the product of `a` and `2^p2`. Requires `p2 >= 0`. */ +mp_result mp_int_mul_pow2(mp_int a, mp_small p2, mp_int c); + +/** Sets `c` to the square of `a`. */ +mp_result mp_int_sqr(mp_int a, mp_int c); + +/** Sets `q` and `r` to the quotent and remainder of `a / b`. Division by + powers of 2 is detected and handled efficiently. The remainder is pinned + to `0 <= r < b`. + + Either of `q` or `r` may be NULL, but not both, and `q` and `r` may not + point to the same value. */ +mp_result mp_int_div(mp_int a, mp_int b, mp_int q, mp_int r); + +/** Sets `q` and `*r` to the quotent and remainder of `a / value`. Division by + powers of 2 is detected and handled efficiently. The remainder is pinned to + `0 <= *r < b`. Either of `q` or `r` may be NULL. */ +mp_result mp_int_div_value(mp_int a, mp_small value, mp_int q, mp_small *r); + +/** Sets `q` and `r` to the quotient and remainder of `a / 2^p2`. This is a + special case for division by powers of two that is more efficient than + using ordinary division. Note that `mp_int_div()` will automatically handle + this case, this function is for cases where you have only the exponent. */ +mp_result mp_int_div_pow2(mp_int a, mp_small p2, mp_int q, mp_int r); + +/** Sets `c` to the remainder of `a / m`. + The remainder is pinned to `0 <= c < m`. */ +mp_result mp_int_mod(mp_int a, mp_int m, mp_int c); + +/** Sets `c` to the value of `a` raised to the `b` power. + It returns `MP_RANGE` if `b < 0`. */ +mp_result mp_int_expt(mp_int a, mp_small b, mp_int c); + +/** Sets `c` to the value of `a` raised to the `b` power. + It returns `MP_RANGE` if `b < 0`. */ +mp_result mp_int_expt_value(mp_small a, mp_small b, mp_int c); + +/** Sets `c` to the value of `a` raised to the `b` power. + It returns `MP_RANGE`) if `b < 0`. */ +mp_result mp_int_expt_full(mp_int a, mp_int b, mp_int c); + +/** Sets `*r` to the remainder of `a / value`. + The remainder is pinned to `0 <= r < value`. */ +static inline +mp_result +mp_int_mod_value(mp_int a, mp_small value, mp_small *r) +{ + return mp_int_div_value(a, value, 0, r); +} + +/** Returns the comparator of `a` and `b`. */ +int mp_int_compare(mp_int a, mp_int b); + +/** Returns the comparator of the magnitudes of `a` and `b`, disregarding their + signs. Neither `a` nor `b` is modified by the comparison. */ +int mp_int_compare_unsigned(mp_int a, mp_int b); + +/** Returns the comparator of `z` and zero. */ +int mp_int_compare_zero(mp_int z); + +/** Returns the comparator of `z` and the signed value `v`. */ +int mp_int_compare_value(mp_int z, mp_small v); + +/** Returns the comparator of `z` and the unsigned value `uv`. */ +int mp_int_compare_uvalue(mp_int z, mp_usmall uv); + +/** Reports whether `a` is divisible by `v`. */ +bool mp_int_divisible_value(mp_int a, mp_small v); + +/** Returns `k >= 0` such that `z` is `2^k`, if such a `k` exists. If no such + `k` exists, the function returns -1. */ +int mp_int_is_pow2(mp_int z); + +/** Sets `c` to the value of `a` raised to the `b` power, reduced modulo `m`. + It returns `MP_RANGE` if `b < 0` or `MP_UNDEF` if `m == 0`. */ +mp_result mp_int_exptmod(mp_int a, mp_int b, mp_int m, mp_int c); + +/** Sets `c` to the value of `a` raised to the `value` power, modulo `m`. + It returns `MP_RANGE` if `value < 0` or `MP_UNDEF` if `m == 0`. */ +mp_result mp_int_exptmod_evalue(mp_int a, mp_small value, mp_int m, mp_int c); + +/** Sets `c` to the value of `value` raised to the `b` power, modulo `m`. + It returns `MP_RANGE` if `b < 0` or `MP_UNDEF` if `m == 0`. */ +mp_result mp_int_exptmod_bvalue(mp_small value, mp_int b, mp_int m, mp_int c); + +/** Sets `c` to the value of `a` raised to the `b` power, reduced modulo `m`, + given a precomputed reduction constant `mu` defined for Barrett's modular + reduction algorithm. + + It returns `MP_RANGE` if `b < 0` or `MP_UNDEF` if `m == 0`. */ +mp_result mp_int_exptmod_known(mp_int a, mp_int b, mp_int m, mp_int mu, mp_int c); + +/** Sets `c` to the reduction constant for Barrett reduction by modulus `m`. + Requires that `c` and `m` point to distinct locations. */ +mp_result mp_int_redux_const(mp_int m, mp_int c); + +/** Sets `c` to the multiplicative inverse of `a` modulo `m`, if it exists. + The least non-negative representative of the congruence class is computed. + + It returns `MP_UNDEF` if the inverse does not exist, or `MP_RANGE` if `a == + 0` or `m <= 0`. */ +mp_result mp_int_invmod(mp_int a, mp_int m, mp_int c); + +/** Sets `c` to the greatest common divisor of `a` and `b`. + + It returns `MP_UNDEF` if the GCD is undefined, such as for example if `a` + and `b` are both zero. */ +mp_result mp_int_gcd(mp_int a, mp_int b, mp_int c); + +/** Sets `c` to the greatest common divisor of `a` and `b`, and sets `x` and + `y` to values satisfying Bezout's identity `gcd(a, b) = ax + by`. + + It returns `MP_UNDEF` if the GCD is undefined, such as for example if `a` + and `b` are both zero. */ +mp_result mp_int_egcd(mp_int a, mp_int b, mp_int c, mp_int x, mp_int y); + +/** Sets `c` to the least common multiple of `a` and `b`. + + It returns `MP_UNDEF` if the LCM is undefined, such as for example if `a` + and `b` are both zero. */ +mp_result mp_int_lcm(mp_int a, mp_int b, mp_int c); + +/** Sets `c` to the greatest integer not less than the `b`th root of `a`, + using Newton's root-finding algorithm. + It returns `MP_UNDEF` if `a < 0` and `b` is even. */ +mp_result mp_int_root(mp_int a, mp_small b, mp_int c); + +/** Sets `c` to the greatest integer not less than the square root of `a`. + This is a special case of `mp_int_root()`. */ +static inline +mp_result +mp_int_sqrt(mp_int a, mp_int c) +{ + return mp_int_root(a, 2, c); +} + +/** Returns `MP_OK` if `z` is representable as `mp_small`, else `MP_RANGE`. + If `out` is not NULL, `*out` is set to the value of `z` when `MP_OK`. */ +mp_result mp_int_to_int(mp_int z, mp_small *out); + +/** Returns `MP_OK` if `z` is representable as `mp_usmall`, or `MP_RANGE`. + If `out` is not NULL, `*out` is set to the value of `z` when `MP_OK`. */ +mp_result mp_int_to_uint(mp_int z, mp_usmall *out); + +/** Converts `z` to a zero-terminated string of characters in the specified + `radix`, writing at most `limit` characters to `str` including the + terminating NUL value. A leading `-` is used to indicate a negative value. + + Returns `MP_TRUNC` if `limit` was to small to write all of `z`. + Requires `MP_MIN_RADIX <= radix <= MP_MAX_RADIX`. */ +mp_result mp_int_to_string(mp_int z, mp_size radix, char *str, int limit); + +/** Reports the minimum number of characters required to represent `z` as a + zero-terminated string in the given `radix`. + Requires `MP_MIN_RADIX <= radix <= MP_MAX_RADIX`. */ +mp_result mp_int_string_len(mp_int z, mp_size radix); + +/** Reads a string of ASCII digits in the specified `radix` from the zero + terminated `str` provided into `z`. For values of `radix > 10`, the letters + `A`..`Z` or `a`..`z` are accepted. Letters are interpreted without respect + to case. + + Leading whitespace is ignored, and a leading `+` or `-` is interpreted as a + sign flag. Processing stops when a NUL or any other character out of range + for a digit in the given radix is encountered. + + If the whole string was consumed, `MP_OK` is returned; otherwise + `MP_TRUNC`. is returned. + + Requires `MP_MIN_RADIX <= radix <= MP_MAX_RADIX`. */ +mp_result mp_int_read_string(mp_int z, mp_size radix, const char *str); + +/** Reads a string of ASCII digits in the specified `radix` from the zero + terminated `str` provided into `z`. For values of `radix > 10`, the letters + `A`..`Z` or `a`..`z` are accepted. Letters are interpreted without respect + to case. + + Leading whitespace is ignored, and a leading `+` or `-` is interpreted as a + sign flag. Processing stops when a NUL or any other character out of range + for a digit in the given radix is encountered. + + If the whole string was consumed, `MP_OK` is returned; otherwise + `MP_TRUNC`. is returned. If `end` is not NULL, `*end` is set to point to + the first unconsumed byte of the input string (the NUL byte if the whole + string was consumed). This emulates the behavior of the standard C + `strtol()` function. + + Requires `MP_MIN_RADIX <= radix <= MP_MAX_RADIX`. */ +mp_result mp_int_read_cstring(mp_int z, mp_size radix, const char *str, char **end); + +/** Returns the number of significant bits in `z`. */ +mp_result mp_int_count_bits(mp_int z); + +/** Converts `z` to 2's complement binary, writing at most `limit` bytes into + the given `buf`. Returns `MP_TRUNC` if the buffer limit was too small to + contain the whole value. If this occurs, the contents of buf will be + effectively garbage, as the function uses the buffer as scratch space. + + The binary representation of `z` is in base-256 with digits ordered from + most significant to least significant (network byte ordering). The + high-order bit of the first byte is set for negative values, clear for + non-negative values. + + As a result, non-negative values will be padded with a leading zero byte if + the high-order byte of the base-256 magnitude is set. This extra byte is + accounted for by the `mp_int_binary_len()` function. */ +mp_result mp_int_to_binary(mp_int z, unsigned char *buf, int limit); + +/** Reads a 2's complement binary value from `buf` into `z`, where `len` is the + length of the buffer. The contents of `buf` may be overwritten during + processing, although they will be restored when the function returns. */ +mp_result mp_int_read_binary(mp_int z, unsigned char *buf, int len); + +/** Returns the number of bytes to represent `z` in 2's complement binary. */ +mp_result mp_int_binary_len(mp_int z); + +/** Converts the magnitude of `z` to unsigned binary, writing at most `limit` + bytes into the given `buf`. The sign of `z` is ignored, but `z` is not + modified. Returns `MP_TRUNC` if the buffer limit was too small to contain + the whole value. If this occurs, the contents of `buf` will be effectively + garbage, as the function uses the buffer as scratch space during + conversion. + + The binary representation of `z` is in base-256 with digits ordered from + most significant to least significant (network byte ordering). */ +mp_result mp_int_to_unsigned(mp_int z, unsigned char *buf, int limit); + +/** Reads an unsigned binary value from `buf` into `z`, where `len` is the + length of the buffer. The contents of `buf` are not modified during + processing. */ +mp_result mp_int_read_unsigned(mp_int z, unsigned char *buf, int len); + +/** Returns the number of bytes required to represent `z` as an unsigned binary + value in base 256. */ +mp_result mp_int_unsigned_len(mp_int z); + +/** Returns a pointer to a brief, human-readable, zero-terminated string + describing `res`. The returned string is statically allocated and must not + be freed by the caller. */ +const char *mp_error_string(mp_result res); + +#endif /* end IMATH_H_ */ diff --git a/contrib/pgcrypto/internal-sha2.c b/contrib/pgcrypto/internal-sha2.c new file mode 100644 index 0000000..e06f554 --- /dev/null +++ b/contrib/pgcrypto/internal-sha2.c @@ -0,0 +1,316 @@ +/* + * internal.c + * Wrapper for builtin functions + * + * Copyright (c) 2001 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/internal-sha2.c + */ + +#include "postgres.h" + +#include + +#include "common/sha2.h" +#include "px.h" + +void init_sha224(PX_MD *h); +void init_sha256(PX_MD *h); +void init_sha384(PX_MD *h); +void init_sha512(PX_MD *h); + +/* SHA224 */ + +static unsigned +int_sha224_len(PX_MD *h) +{ + return PG_SHA224_DIGEST_LENGTH; +} + +static unsigned +int_sha224_block_len(PX_MD *h) +{ + return PG_SHA224_BLOCK_LENGTH; +} + +static void +int_sha224_update(PX_MD *h, const uint8 *data, unsigned dlen) +{ + pg_sha224_ctx *ctx = (pg_sha224_ctx *) h->p.ptr; + + pg_sha224_update(ctx, data, dlen); +} + +static void +int_sha224_reset(PX_MD *h) +{ + pg_sha224_ctx *ctx = (pg_sha224_ctx *) h->p.ptr; + + pg_sha224_init(ctx); +} + +static void +int_sha224_finish(PX_MD *h, uint8 *dst) +{ + pg_sha224_ctx *ctx = (pg_sha224_ctx *) h->p.ptr; + + pg_sha224_final(ctx, dst); +} + +static void +int_sha224_free(PX_MD *h) +{ + pg_sha224_ctx *ctx = (pg_sha224_ctx *) h->p.ptr; + + px_memset(ctx, 0, sizeof(*ctx)); + px_free(ctx); + px_free(h); +} + +/* SHA256 */ + +static unsigned +int_sha256_len(PX_MD *h) +{ + return PG_SHA256_DIGEST_LENGTH; +} + +static unsigned +int_sha256_block_len(PX_MD *h) +{ + return PG_SHA256_BLOCK_LENGTH; +} + +static void +int_sha256_update(PX_MD *h, const uint8 *data, unsigned dlen) +{ + pg_sha256_ctx *ctx = (pg_sha256_ctx *) h->p.ptr; + + pg_sha256_update(ctx, data, dlen); +} + +static void +int_sha256_reset(PX_MD *h) +{ + pg_sha256_ctx *ctx = (pg_sha256_ctx *) h->p.ptr; + + pg_sha256_init(ctx); +} + +static void +int_sha256_finish(PX_MD *h, uint8 *dst) +{ + pg_sha256_ctx *ctx = (pg_sha256_ctx *) h->p.ptr; + + pg_sha256_final(ctx, dst); +} + +static void +int_sha256_free(PX_MD *h) +{ + pg_sha256_ctx *ctx = (pg_sha256_ctx *) h->p.ptr; + + px_memset(ctx, 0, sizeof(*ctx)); + px_free(ctx); + px_free(h); +} + +/* SHA384 */ + +static unsigned +int_sha384_len(PX_MD *h) +{ + return PG_SHA384_DIGEST_LENGTH; +} + +static unsigned +int_sha384_block_len(PX_MD *h) +{ + return PG_SHA384_BLOCK_LENGTH; +} + +static void +int_sha384_update(PX_MD *h, const uint8 *data, unsigned dlen) +{ + pg_sha384_ctx *ctx = (pg_sha384_ctx *) h->p.ptr; + + pg_sha384_update(ctx, data, dlen); +} + +static void +int_sha384_reset(PX_MD *h) +{ + pg_sha384_ctx *ctx = (pg_sha384_ctx *) h->p.ptr; + + pg_sha384_init(ctx); +} + +static void +int_sha384_finish(PX_MD *h, uint8 *dst) +{ + pg_sha384_ctx *ctx = (pg_sha384_ctx *) h->p.ptr; + + pg_sha384_final(ctx, dst); +} + +static void +int_sha384_free(PX_MD *h) +{ + pg_sha384_ctx *ctx = (pg_sha384_ctx *) h->p.ptr; + + px_memset(ctx, 0, sizeof(*ctx)); + px_free(ctx); + px_free(h); +} + +/* SHA512 */ + +static unsigned +int_sha512_len(PX_MD *h) +{ + return PG_SHA512_DIGEST_LENGTH; +} + +static unsigned +int_sha512_block_len(PX_MD *h) +{ + return PG_SHA512_BLOCK_LENGTH; +} + +static void +int_sha512_update(PX_MD *h, const uint8 *data, unsigned dlen) +{ + pg_sha512_ctx *ctx = (pg_sha512_ctx *) h->p.ptr; + + pg_sha512_update(ctx, data, dlen); +} + +static void +int_sha512_reset(PX_MD *h) +{ + pg_sha512_ctx *ctx = (pg_sha512_ctx *) h->p.ptr; + + pg_sha512_init(ctx); +} + +static void +int_sha512_finish(PX_MD *h, uint8 *dst) +{ + pg_sha512_ctx *ctx = (pg_sha512_ctx *) h->p.ptr; + + pg_sha512_final(ctx, dst); +} + +static void +int_sha512_free(PX_MD *h) +{ + pg_sha512_ctx *ctx = (pg_sha512_ctx *) h->p.ptr; + + px_memset(ctx, 0, sizeof(*ctx)); + px_free(ctx); + px_free(h); +} + +/* init functions */ + +void +init_sha224(PX_MD *md) +{ + pg_sha224_ctx *ctx; + + ctx = px_alloc(sizeof(*ctx)); + memset(ctx, 0, sizeof(*ctx)); + + md->p.ptr = ctx; + + md->result_size = int_sha224_len; + md->block_size = int_sha224_block_len; + md->reset = int_sha224_reset; + md->update = int_sha224_update; + md->finish = int_sha224_finish; + md->free = int_sha224_free; + + md->reset(md); +} + +void +init_sha256(PX_MD *md) +{ + pg_sha256_ctx *ctx; + + ctx = px_alloc(sizeof(*ctx)); + memset(ctx, 0, sizeof(*ctx)); + + md->p.ptr = ctx; + + md->result_size = int_sha256_len; + md->block_size = int_sha256_block_len; + md->reset = int_sha256_reset; + md->update = int_sha256_update; + md->finish = int_sha256_finish; + md->free = int_sha256_free; + + md->reset(md); +} + +void +init_sha384(PX_MD *md) +{ + pg_sha384_ctx *ctx; + + ctx = px_alloc(sizeof(*ctx)); + memset(ctx, 0, sizeof(*ctx)); + + md->p.ptr = ctx; + + md->result_size = int_sha384_len; + md->block_size = int_sha384_block_len; + md->reset = int_sha384_reset; + md->update = int_sha384_update; + md->finish = int_sha384_finish; + md->free = int_sha384_free; + + md->reset(md); +} + +void +init_sha512(PX_MD *md) +{ + pg_sha512_ctx *ctx; + + ctx = px_alloc(sizeof(*ctx)); + memset(ctx, 0, sizeof(*ctx)); + + md->p.ptr = ctx; + + md->result_size = int_sha512_len; + md->block_size = int_sha512_block_len; + md->reset = int_sha512_reset; + md->update = int_sha512_update; + md->finish = int_sha512_finish; + md->free = int_sha512_free; + + md->reset(md); +} diff --git a/contrib/pgcrypto/internal.c b/contrib/pgcrypto/internal.c new file mode 100644 index 0000000..a12d7b4 --- /dev/null +++ b/contrib/pgcrypto/internal.c @@ -0,0 +1,597 @@ +/* + * internal.c + * Wrapper for builtin functions + * + * Copyright (c) 2001 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/internal.c + */ + +#include "postgres.h" + +#include + +#include "blf.h" +#include "md5.h" +#include "px.h" +#include "rijndael.h" +#include "sha1.h" + +#ifndef MD5_DIGEST_LENGTH +#define MD5_DIGEST_LENGTH 16 +#endif + +#ifndef SHA1_DIGEST_LENGTH +#ifdef SHA1_RESULTLEN +#define SHA1_DIGEST_LENGTH SHA1_RESULTLEN +#else +#define SHA1_DIGEST_LENGTH 20 +#endif +#endif + +#define SHA1_BLOCK_SIZE 64 +#define MD5_BLOCK_SIZE 64 + +static void init_md5(PX_MD *h); +static void init_sha1(PX_MD *h); + +void init_sha224(PX_MD *h); +void init_sha256(PX_MD *h); +void init_sha384(PX_MD *h); +void init_sha512(PX_MD *h); + +struct int_digest +{ + char *name; + void (*init) (PX_MD *h); +}; + +static const struct int_digest + int_digest_list[] = { + {"md5", init_md5}, + {"sha1", init_sha1}, + {"sha224", init_sha224}, + {"sha256", init_sha256}, + {"sha384", init_sha384}, + {"sha512", init_sha512}, + {NULL, NULL} +}; + +/* MD5 */ + +static unsigned +int_md5_len(PX_MD *h) +{ + return MD5_DIGEST_LENGTH; +} + +static unsigned +int_md5_block_len(PX_MD *h) +{ + return MD5_BLOCK_SIZE; +} + +static void +int_md5_update(PX_MD *h, const uint8 *data, unsigned dlen) +{ + MD5_CTX *ctx = (MD5_CTX *) h->p.ptr; + + MD5Update(ctx, data, dlen); +} + +static void +int_md5_reset(PX_MD *h) +{ + MD5_CTX *ctx = (MD5_CTX *) h->p.ptr; + + MD5Init(ctx); +} + +static void +int_md5_finish(PX_MD *h, uint8 *dst) +{ + MD5_CTX *ctx = (MD5_CTX *) h->p.ptr; + + MD5Final(dst, ctx); +} + +static void +int_md5_free(PX_MD *h) +{ + MD5_CTX *ctx = (MD5_CTX *) h->p.ptr; + + px_memset(ctx, 0, sizeof(*ctx)); + px_free(ctx); + px_free(h); +} + +/* SHA1 */ + +static unsigned +int_sha1_len(PX_MD *h) +{ + return SHA1_DIGEST_LENGTH; +} + +static unsigned +int_sha1_block_len(PX_MD *h) +{ + return SHA1_BLOCK_SIZE; +} + +static void +int_sha1_update(PX_MD *h, const uint8 *data, unsigned dlen) +{ + SHA1_CTX *ctx = (SHA1_CTX *) h->p.ptr; + + SHA1Update(ctx, data, dlen); +} + +static void +int_sha1_reset(PX_MD *h) +{ + SHA1_CTX *ctx = (SHA1_CTX *) h->p.ptr; + + SHA1Init(ctx); +} + +static void +int_sha1_finish(PX_MD *h, uint8 *dst) +{ + SHA1_CTX *ctx = (SHA1_CTX *) h->p.ptr; + + SHA1Final(dst, ctx); +} + +static void +int_sha1_free(PX_MD *h) +{ + SHA1_CTX *ctx = (SHA1_CTX *) h->p.ptr; + + px_memset(ctx, 0, sizeof(*ctx)); + px_free(ctx); + px_free(h); +} + +/* init functions */ + +static void +init_md5(PX_MD *md) +{ + MD5_CTX *ctx; + + ctx = px_alloc(sizeof(*ctx)); + memset(ctx, 0, sizeof(*ctx)); + + md->p.ptr = ctx; + + md->result_size = int_md5_len; + md->block_size = int_md5_block_len; + md->reset = int_md5_reset; + md->update = int_md5_update; + md->finish = int_md5_finish; + md->free = int_md5_free; + + md->reset(md); +} + +static void +init_sha1(PX_MD *md) +{ + SHA1_CTX *ctx; + + ctx = px_alloc(sizeof(*ctx)); + memset(ctx, 0, sizeof(*ctx)); + + md->p.ptr = ctx; + + md->result_size = int_sha1_len; + md->block_size = int_sha1_block_len; + md->reset = int_sha1_reset; + md->update = int_sha1_update; + md->finish = int_sha1_finish; + md->free = int_sha1_free; + + md->reset(md); +} + +/* + * ciphers generally + */ + +#define INT_MAX_KEY (512/8) +#define INT_MAX_IV (128/8) + +struct int_ctx +{ + uint8 keybuf[INT_MAX_KEY]; + uint8 iv[INT_MAX_IV]; + union + { + BlowfishContext bf; + rijndael_ctx rj; + } ctx; + unsigned keylen; + int is_init; + int mode; +}; + +static void +intctx_free(PX_Cipher *c) +{ + struct int_ctx *cx = (struct int_ctx *) c->ptr; + + if (cx) + { + px_memset(cx, 0, sizeof *cx); + px_free(cx); + } + px_free(c); +} + +/* + * AES/rijndael + */ + +#define MODE_ECB 0 +#define MODE_CBC 1 + +static unsigned +rj_block_size(PX_Cipher *c) +{ + return 128 / 8; +} + +static unsigned +rj_key_size(PX_Cipher *c) +{ + return 256 / 8; +} + +static unsigned +rj_iv_size(PX_Cipher *c) +{ + return 128 / 8; +} + +static int +rj_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv) +{ + struct int_ctx *cx = (struct int_ctx *) c->ptr; + + if (klen <= 128 / 8) + cx->keylen = 128 / 8; + else if (klen <= 192 / 8) + cx->keylen = 192 / 8; + else if (klen <= 256 / 8) + cx->keylen = 256 / 8; + else + return PXE_KEY_TOO_BIG; + + memcpy(&cx->keybuf, key, klen); + + if (iv) + memcpy(cx->iv, iv, 128 / 8); + + return 0; +} + +static int +rj_real_init(struct int_ctx *cx, int dir) +{ + aes_set_key(&cx->ctx.rj, cx->keybuf, cx->keylen * 8, dir); + return 0; +} + +static int +rj_encrypt(PX_Cipher *c, const uint8 *data, unsigned dlen, uint8 *res) +{ + struct int_ctx *cx = (struct int_ctx *) c->ptr; + + if (!cx->is_init) + { + if (rj_real_init(cx, 1)) + return PXE_CIPHER_INIT; + } + + if (dlen == 0) + return 0; + + if (dlen & 15) + return PXE_NOTBLOCKSIZE; + + memcpy(res, data, dlen); + + if (cx->mode == MODE_CBC) + { + aes_cbc_encrypt(&cx->ctx.rj, cx->iv, res, dlen); + memcpy(cx->iv, res + dlen - 16, 16); + } + else + aes_ecb_encrypt(&cx->ctx.rj, res, dlen); + + return 0; +} + +static int +rj_decrypt(PX_Cipher *c, const uint8 *data, unsigned dlen, uint8 *res) +{ + struct int_ctx *cx = (struct int_ctx *) c->ptr; + + if (!cx->is_init) + if (rj_real_init(cx, 0)) + return PXE_CIPHER_INIT; + + if (dlen == 0) + return 0; + + if (dlen & 15) + return PXE_NOTBLOCKSIZE; + + memcpy(res, data, dlen); + + if (cx->mode == MODE_CBC) + { + aes_cbc_decrypt(&cx->ctx.rj, cx->iv, res, dlen); + memcpy(cx->iv, data + dlen - 16, 16); + } + else + aes_ecb_decrypt(&cx->ctx.rj, res, dlen); + + return 0; +} + +/* + * initializers + */ + +static PX_Cipher * +rj_load(int mode) +{ + PX_Cipher *c; + struct int_ctx *cx; + + c = px_alloc(sizeof *c); + memset(c, 0, sizeof *c); + + c->block_size = rj_block_size; + c->key_size = rj_key_size; + c->iv_size = rj_iv_size; + c->init = rj_init; + c->encrypt = rj_encrypt; + c->decrypt = rj_decrypt; + c->free = intctx_free; + + cx = px_alloc(sizeof *cx); + memset(cx, 0, sizeof *cx); + cx->mode = mode; + + c->ptr = cx; + return c; +} + +/* + * blowfish + */ + +static unsigned +bf_block_size(PX_Cipher *c) +{ + return 8; +} + +static unsigned +bf_key_size(PX_Cipher *c) +{ + return 448 / 8; +} + +static unsigned +bf_iv_size(PX_Cipher *c) +{ + return 8; +} + +static int +bf_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv) +{ + struct int_ctx *cx = (struct int_ctx *) c->ptr; + + blowfish_setkey(&cx->ctx.bf, key, klen); + if (iv) + blowfish_setiv(&cx->ctx.bf, iv); + + return 0; +} + +static int +bf_encrypt(PX_Cipher *c, const uint8 *data, unsigned dlen, uint8 *res) +{ + struct int_ctx *cx = (struct int_ctx *) c->ptr; + BlowfishContext *bfctx = &cx->ctx.bf; + + if (dlen == 0) + return 0; + + if (dlen & 7) + return PXE_NOTBLOCKSIZE; + + memcpy(res, data, dlen); + switch (cx->mode) + { + case MODE_ECB: + blowfish_encrypt_ecb(res, dlen, bfctx); + break; + case MODE_CBC: + blowfish_encrypt_cbc(res, dlen, bfctx); + break; + } + return 0; +} + +static int +bf_decrypt(PX_Cipher *c, const uint8 *data, unsigned dlen, uint8 *res) +{ + struct int_ctx *cx = (struct int_ctx *) c->ptr; + BlowfishContext *bfctx = &cx->ctx.bf; + + if (dlen == 0) + return 0; + + if (dlen & 7) + return PXE_NOTBLOCKSIZE; + + memcpy(res, data, dlen); + switch (cx->mode) + { + case MODE_ECB: + blowfish_decrypt_ecb(res, dlen, bfctx); + break; + case MODE_CBC: + blowfish_decrypt_cbc(res, dlen, bfctx); + break; + } + return 0; +} + +static PX_Cipher * +bf_load(int mode) +{ + PX_Cipher *c; + struct int_ctx *cx; + + c = px_alloc(sizeof *c); + memset(c, 0, sizeof *c); + + c->block_size = bf_block_size; + c->key_size = bf_key_size; + c->iv_size = bf_iv_size; + c->init = bf_init; + c->encrypt = bf_encrypt; + c->decrypt = bf_decrypt; + c->free = intctx_free; + + cx = px_alloc(sizeof *cx); + memset(cx, 0, sizeof *cx); + cx->mode = mode; + c->ptr = cx; + return c; +} + +/* ciphers */ + +static PX_Cipher * +rj_128_ecb(void) +{ + return rj_load(MODE_ECB); +} + +static PX_Cipher * +rj_128_cbc(void) +{ + return rj_load(MODE_CBC); +} + +static PX_Cipher * +bf_ecb_load(void) +{ + return bf_load(MODE_ECB); +} + +static PX_Cipher * +bf_cbc_load(void) +{ + return bf_load(MODE_CBC); +} + +struct int_cipher +{ + char *name; + PX_Cipher *(*load) (void); +}; + +static const struct int_cipher + int_ciphers[] = { + {"bf-cbc", bf_cbc_load}, + {"bf-ecb", bf_ecb_load}, + {"aes-128-cbc", rj_128_cbc}, + {"aes-128-ecb", rj_128_ecb}, + {NULL, NULL} +}; + +static const PX_Alias int_aliases[] = { + {"bf", "bf-cbc"}, + {"blowfish", "bf-cbc"}, + {"aes", "aes-128-cbc"}, + {"aes-ecb", "aes-128-ecb"}, + {"aes-cbc", "aes-128-cbc"}, + {"aes-128", "aes-128-cbc"}, + {"rijndael", "aes-128-cbc"}, + {"rijndael-128", "aes-128-cbc"}, + {NULL, NULL} +}; + +/* PUBLIC FUNCTIONS */ + +int +px_find_digest(const char *name, PX_MD **res) +{ + const struct int_digest *p; + PX_MD *h; + + for (p = int_digest_list; p->name; p++) + if (pg_strcasecmp(p->name, name) == 0) + { + h = px_alloc(sizeof(*h)); + p->init(h); + + *res = h; + + return 0; + } + return PXE_NO_HASH; +} + +int +px_find_cipher(const char *name, PX_Cipher **res) +{ + int i; + PX_Cipher *c = NULL; + + name = px_resolve_alias(int_aliases, name); + + for (i = 0; int_ciphers[i].name; i++) + if (strcmp(int_ciphers[i].name, name) == 0) + { + c = int_ciphers[i].load(); + break; + } + + if (c == NULL) + return PXE_NO_CIPHER; + + *res = c; + return 0; +} diff --git a/contrib/pgcrypto/mbuf.c b/contrib/pgcrypto/mbuf.c new file mode 100644 index 0000000..548ef62 --- /dev/null +++ b/contrib/pgcrypto/mbuf.c @@ -0,0 +1,562 @@ +/* + * mbuf.c + * Memory buffer operations. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/mbuf.c + */ + +#include "postgres.h" + +#include "mbuf.h" +#include "px.h" + +#define STEP (16*1024) + +struct MBuf +{ + uint8 *data; + uint8 *data_end; + uint8 *read_pos; + uint8 *buf_end; + bool no_write; + bool own_data; +}; + +int +mbuf_avail(MBuf *mbuf) +{ + return mbuf->data_end - mbuf->read_pos; +} + +int +mbuf_size(MBuf *mbuf) +{ + return mbuf->data_end - mbuf->data; +} + +int +mbuf_tell(MBuf *mbuf) +{ + return mbuf->read_pos - mbuf->data; +} + +int +mbuf_free(MBuf *mbuf) +{ + if (mbuf->own_data) + { + px_memset(mbuf->data, 0, mbuf->buf_end - mbuf->data); + px_free(mbuf->data); + } + px_free(mbuf); + return 0; +} + +static void +prepare_room(MBuf *mbuf, int block_len) +{ + uint8 *newbuf; + unsigned newlen; + + if (mbuf->data_end + block_len <= mbuf->buf_end) + return; + + newlen = (mbuf->buf_end - mbuf->data) + + ((block_len + STEP + STEP - 1) & -STEP); + + newbuf = px_realloc(mbuf->data, newlen); + + mbuf->buf_end = newbuf + newlen; + mbuf->data_end = newbuf + (mbuf->data_end - mbuf->data); + mbuf->read_pos = newbuf + (mbuf->read_pos - mbuf->data); + mbuf->data = newbuf; +} + +int +mbuf_append(MBuf *dst, const uint8 *buf, int len) +{ + if (dst->no_write) + { + px_debug("mbuf_append: no_write"); + return PXE_BUG; + } + + prepare_room(dst, len); + + memcpy(dst->data_end, buf, len); + dst->data_end += len; + + return 0; +} + +MBuf * +mbuf_create(int len) +{ + MBuf *mbuf; + + if (!len) + len = 8192; + + mbuf = px_alloc(sizeof *mbuf); + mbuf->data = px_alloc(len); + mbuf->buf_end = mbuf->data + len; + mbuf->data_end = mbuf->data; + mbuf->read_pos = mbuf->data; + + mbuf->no_write = false; + mbuf->own_data = true; + + return mbuf; +} + +MBuf * +mbuf_create_from_data(uint8 *data, int len) +{ + MBuf *mbuf; + + mbuf = px_alloc(sizeof *mbuf); + mbuf->data = (uint8 *) data; + mbuf->buf_end = mbuf->data + len; + mbuf->data_end = mbuf->data + len; + mbuf->read_pos = mbuf->data; + + mbuf->no_write = true; + mbuf->own_data = false; + + return mbuf; +} + + +int +mbuf_grab(MBuf *mbuf, int len, uint8 **data_p) +{ + if (len > mbuf_avail(mbuf)) + len = mbuf_avail(mbuf); + + mbuf->no_write = true; + + *data_p = mbuf->read_pos; + mbuf->read_pos += len; + return len; +} + +int +mbuf_rewind(MBuf *mbuf) +{ + mbuf->read_pos = mbuf->data; + return 0; +} + +int +mbuf_steal_data(MBuf *mbuf, uint8 **data_p) +{ + int len = mbuf_size(mbuf); + + mbuf->no_write = true; + mbuf->own_data = false; + + *data_p = mbuf->data; + + mbuf->data = mbuf->data_end = mbuf->read_pos = mbuf->buf_end = NULL; + + return len; +} + +/* + * PullFilter + */ + +struct PullFilter +{ + PullFilter *src; + const PullFilterOps *op; + int buflen; + uint8 *buf; + int pos; + void *priv; +}; + +int +pullf_create(PullFilter **pf_p, const PullFilterOps *op, void *init_arg, PullFilter *src) +{ + PullFilter *pf; + void *priv; + int res; + + if (op->init != NULL) + { + res = op->init(&priv, init_arg, src); + if (res < 0) + return res; + } + else + { + priv = init_arg; + res = 0; + } + + pf = px_alloc(sizeof(*pf)); + memset(pf, 0, sizeof(*pf)); + pf->buflen = res; + pf->op = op; + pf->priv = priv; + pf->src = src; + if (pf->buflen > 0) + { + pf->buf = px_alloc(pf->buflen); + pf->pos = 0; + } + else + { + pf->buf = NULL; + pf->pos = 0; + } + *pf_p = pf; + return 0; +} + +void +pullf_free(PullFilter *pf) +{ + if (pf->op->free) + pf->op->free(pf->priv); + + if (pf->buf) + { + px_memset(pf->buf, 0, pf->buflen); + px_free(pf->buf); + } + + px_memset(pf, 0, sizeof(*pf)); + px_free(pf); +} + +/* may return less data than asked, 0 means eof */ +int +pullf_read(PullFilter *pf, int len, uint8 **data_p) +{ + int res; + + if (pf->op->pull) + { + if (pf->buflen && len > pf->buflen) + len = pf->buflen; + res = pf->op->pull(pf->priv, pf->src, len, data_p, + pf->buf, pf->buflen); + } + else + res = pullf_read(pf->src, len, data_p); + return res; +} + +int +pullf_read_max(PullFilter *pf, int len, uint8 **data_p, uint8 *tmpbuf) +{ + int res, + total; + uint8 *tmp; + + res = pullf_read(pf, len, data_p); + if (res <= 0 || res == len) + return res; + + /* read was shorter, use tmpbuf */ + memcpy(tmpbuf, *data_p, res); + *data_p = tmpbuf; + len -= res; + total = res; + + while (len > 0) + { + res = pullf_read(pf, len, &tmp); + if (res < 0) + { + /* so the caller must clear only on success */ + px_memset(tmpbuf, 0, total); + return res; + } + if (res == 0) + break; + memcpy(tmpbuf + total, tmp, res); + total += res; + len -= res; + } + return total; +} + +/* + * caller wants exactly len bytes and don't bother with references + */ +int +pullf_read_fixed(PullFilter *src, int len, uint8 *dst) +{ + int res; + uint8 *p; + + res = pullf_read_max(src, len, &p, dst); + if (res < 0) + return res; + if (res != len) + { + px_debug("pullf_read_fixed: need=%d got=%d", len, res); + return PXE_PGP_CORRUPT_DATA; + } + if (p != dst) + memcpy(dst, p, len); + return 0; +} + +/* + * read from MBuf + */ +static int +pull_from_mbuf(void *arg, PullFilter *src, int len, + uint8 **data_p, uint8 *buf, int buflen) +{ + MBuf *mbuf = arg; + + return mbuf_grab(mbuf, len, data_p); +} + +static const struct PullFilterOps mbuf_reader = { + NULL, pull_from_mbuf, NULL +}; + +int +pullf_create_mbuf_reader(PullFilter **mp_p, MBuf *src) +{ + return pullf_create(mp_p, &mbuf_reader, src, NULL); +} + + +/* + * PushFilter + */ + +struct PushFilter +{ + PushFilter *next; + const PushFilterOps *op; + int block_size; + uint8 *buf; + int pos; + void *priv; +}; + +int +pushf_create(PushFilter **mp_p, const PushFilterOps *op, void *init_arg, PushFilter *next) +{ + PushFilter *mp; + void *priv; + int res; + + if (op->init != NULL) + { + res = op->init(next, init_arg, &priv); + if (res < 0) + return res; + } + else + { + priv = init_arg; + res = 0; + } + + mp = px_alloc(sizeof(*mp)); + memset(mp, 0, sizeof(*mp)); + mp->block_size = res; + mp->op = op; + mp->priv = priv; + mp->next = next; + if (mp->block_size > 0) + { + mp->buf = px_alloc(mp->block_size); + mp->pos = 0; + } + else + { + mp->buf = NULL; + mp->pos = 0; + } + *mp_p = mp; + return 0; +} + +void +pushf_free(PushFilter *mp) +{ + if (mp->op->free) + mp->op->free(mp->priv); + + if (mp->buf) + { + px_memset(mp->buf, 0, mp->block_size); + px_free(mp->buf); + } + + px_memset(mp, 0, sizeof(*mp)); + px_free(mp); +} + +void +pushf_free_all(PushFilter *mp) +{ + PushFilter *tmp; + + while (mp) + { + tmp = mp->next; + pushf_free(mp); + mp = tmp; + } +} + +static int +wrap_process(PushFilter *mp, const uint8 *data, int len) +{ + int res; + + if (mp->op->push != NULL) + res = mp->op->push(mp->next, mp->priv, data, len); + else + res = pushf_write(mp->next, data, len); + if (res > 0) + return PXE_BUG; + return res; +} + +/* consumes all data, returns len on success */ +int +pushf_write(PushFilter *mp, const uint8 *data, int len) +{ + int need, + res; + + /* + * no buffering + */ + if (mp->block_size <= 0) + return wrap_process(mp, data, len); + + /* + * try to empty buffer + */ + need = mp->block_size - mp->pos; + if (need > 0) + { + if (len < need) + { + memcpy(mp->buf + mp->pos, data, len); + mp->pos += len; + return 0; + } + memcpy(mp->buf + mp->pos, data, need); + len -= need; + data += need; + } + + /* + * buffer full, process + */ + res = wrap_process(mp, mp->buf, mp->block_size); + if (res < 0) + return res; + mp->pos = 0; + + /* + * now process directly from data + */ + while (len > 0) + { + if (len > mp->block_size) + { + res = wrap_process(mp, data, mp->block_size); + if (res < 0) + return res; + data += mp->block_size; + len -= mp->block_size; + } + else + { + memcpy(mp->buf, data, len); + mp->pos += len; + break; + } + } + return 0; +} + +int +pushf_flush(PushFilter *mp) +{ + int res; + + while (mp) + { + if (mp->block_size > 0) + { + res = wrap_process(mp, mp->buf, mp->pos); + if (res < 0) + return res; + } + + if (mp->op->flush) + { + res = mp->op->flush(mp->next, mp->priv); + if (res < 0) + return res; + } + + mp = mp->next; + } + return 0; +} + + +/* + * write to MBuf + */ +static int +push_into_mbuf(PushFilter *next, void *arg, const uint8 *data, int len) +{ + int res = 0; + MBuf *mbuf = arg; + + if (len > 0) + res = mbuf_append(mbuf, data, len); + return res < 0 ? res : 0; +} + +static const struct PushFilterOps mbuf_filter = { + NULL, push_into_mbuf, NULL, NULL +}; + +int +pushf_create_mbuf_writer(PushFilter **res, MBuf *dst) +{ + return pushf_create(res, &mbuf_filter, dst, NULL); +} diff --git a/contrib/pgcrypto/mbuf.h b/contrib/pgcrypto/mbuf.h new file mode 100644 index 0000000..e6d754e --- /dev/null +++ b/contrib/pgcrypto/mbuf.h @@ -0,0 +1,124 @@ +/* + * mbuf.h + * Memory buffer operations. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/mbuf.h + */ + +#ifndef __PX_MBUF_H +#define __PX_MBUF_H + +typedef struct MBuf MBuf; +typedef struct PushFilter PushFilter; +typedef struct PullFilter PullFilter; +typedef struct PushFilterOps PushFilterOps; +typedef struct PullFilterOps PullFilterOps; + +struct PushFilterOps +{ + /* + * should return needed buffer size, 0- no buffering, <0 on error if NULL, + * no buffering, and priv=init_arg + */ + int (*init) (PushFilter *next, void *init_arg, void **priv_p); + + /* + * send data to next. should consume all? if null, it will be simply + * copied (in-place) returns 0 on error + */ + int (*push) (PushFilter *next, void *priv, + const uint8 *src, int len); + int (*flush) (PushFilter *next, void *priv); + void (*free) (void *priv); +}; + +struct PullFilterOps +{ + /* + * should return needed buffer size, 0- no buffering, <0 on error if NULL, + * no buffering, and priv=init_arg + */ + int (*init) (void **priv_p, void *init_arg, PullFilter *src); + + /* + * request data from src, put result ptr to data_p can use ptr from src or + * use buf as work area if NULL in-place copy + */ + int (*pull) (void *priv, PullFilter *src, int len, + uint8 **data_p, uint8 *buf, int buflen); + void (*free) (void *priv); +}; + +/* + * Memory buffer + */ +MBuf *mbuf_create(int len); +MBuf *mbuf_create_from_data(uint8 *data, int len); +int mbuf_tell(MBuf *mbuf); +int mbuf_avail(MBuf *mbuf); +int mbuf_size(MBuf *mbuf); +int mbuf_grab(MBuf *mbuf, int len, uint8 **data_p); +int mbuf_steal_data(MBuf *mbuf, uint8 **data_p); +int mbuf_append(MBuf *dst, const uint8 *buf, int cnt); +int mbuf_rewind(MBuf *mbuf); +int mbuf_free(MBuf *mbuf); + +/* + * Push filter + */ +int pushf_create(PushFilter **res, const PushFilterOps *ops, void *init_arg, + PushFilter *next); +int pushf_write(PushFilter *mp, const uint8 *data, int len); +void pushf_free_all(PushFilter *mp); +void pushf_free(PushFilter *mp); +int pushf_flush(PushFilter *mp); + +int pushf_create_mbuf_writer(PushFilter **mp_p, MBuf *mbuf); + +/* + * Pull filter + */ +int pullf_create(PullFilter **res, const PullFilterOps *ops, + void *init_arg, PullFilter *src); +int pullf_read(PullFilter *mp, int len, uint8 **data_p); +int pullf_read_max(PullFilter *mp, int len, + uint8 **data_p, uint8 *tmpbuf); +void pullf_free(PullFilter *mp); +int pullf_read_fixed(PullFilter *src, int len, uint8 *dst); + +int pullf_create_mbuf_reader(PullFilter **pf_p, MBuf *mbuf); + +#define GETBYTE(pf, dst) \ + do { \ + uint8 __b; \ + int __res = pullf_read_fixed(pf, 1, &__b); \ + if (__res < 0) \ + return __res; \ + (dst) = __b; \ + } while (0) + +#endif /* __PX_MBUF_H */ diff --git a/contrib/pgcrypto/md5.c b/contrib/pgcrypto/md5.c new file mode 100644 index 0000000..15d7c9b --- /dev/null +++ b/contrib/pgcrypto/md5.c @@ -0,0 +1,397 @@ +/* $KAME: md5.c,v 1.3 2000/02/22 14:01:17 itojun Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/md5.c + */ + +#include "postgres.h" + +#include + +#include "md5.h" + +#define SHIFT(X, s) (((X) << (s)) | ((X) >> (32 - (s)))) + +#define F(X, Y, Z) (((X) & (Y)) | ((~X) & (Z))) +#define G(X, Y, Z) (((X) & (Z)) | ((Y) & (~Z))) +#define H(X, Y, Z) ((X) ^ (Y) ^ (Z)) +#define I(X, Y, Z) ((Y) ^ ((X) | (~Z))) + +#define ROUND1(a, b, c, d, k, s, i) \ +do { \ + (a) = (a) + F((b), (c), (d)) + X[(k)] + T[(i)]; \ + (a) = SHIFT((a), (s)); \ + (a) = (b) + (a); \ +} while (0) + +#define ROUND2(a, b, c, d, k, s, i) \ +do { \ + (a) = (a) + G((b), (c), (d)) + X[(k)] + T[(i)]; \ + (a) = SHIFT((a), (s)); \ + (a) = (b) + (a); \ +} while (0) + +#define ROUND3(a, b, c, d, k, s, i) \ +do { \ + (a) = (a) + H((b), (c), (d)) + X[(k)] + T[(i)]; \ + (a) = SHIFT((a), (s)); \ + (a) = (b) + (a); \ +} while (0) + +#define ROUND4(a, b, c, d, k, s, i) \ +do { \ + (a) = (a) + I((b), (c), (d)) + X[(k)] + T[(i)]; \ + (a) = SHIFT((a), (s)); \ + (a) = (b) + (a); \ +} while (0) + +#define Sa 7 +#define Sb 12 +#define Sc 17 +#define Sd 22 + +#define Se 5 +#define Sf 9 +#define Sg 14 +#define Sh 20 + +#define Si 4 +#define Sj 11 +#define Sk 16 +#define Sl 23 + +#define Sm 6 +#define Sn 10 +#define So 15 +#define Sp 21 + +#define MD5_A0 0x67452301 +#define MD5_B0 0xefcdab89 +#define MD5_C0 0x98badcfe +#define MD5_D0 0x10325476 + +/* Integer part of 4294967296 times abs(sin(i)), where i is in radians. */ +static const uint32 T[65] = { + 0, + 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee, + 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501, + 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be, + 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821, + + 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa, + 0xd62f105d, 0x2441453, 0xd8a1e681, 0xe7d3fbc8, + 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed, + 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a, + + 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c, + 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70, + 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x4881d05, + 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665, + + 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039, + 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1, + 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1, + 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391, +}; + +static const uint8 md5_paddat[MD5_BUFLEN] = { + 0x80, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, +}; + +static void md5_calc(const uint8 *, md5_ctxt *); + +void +md5_init(md5_ctxt *ctxt) +{ + ctxt->md5_n = 0; + ctxt->md5_i = 0; + ctxt->md5_sta = MD5_A0; + ctxt->md5_stb = MD5_B0; + ctxt->md5_stc = MD5_C0; + ctxt->md5_std = MD5_D0; + memset(ctxt->md5_buf, 0, sizeof(ctxt->md5_buf)); +} + +void +md5_loop(md5_ctxt *ctxt, const uint8 *input, unsigned len) +{ + unsigned int gap, + i; + + ctxt->md5_n += len * 8; /* byte to bit */ + gap = MD5_BUFLEN - ctxt->md5_i; + + if (len >= gap) + { + memmove(ctxt->md5_buf + ctxt->md5_i, input, gap); + md5_calc(ctxt->md5_buf, ctxt); + + for (i = gap; i + MD5_BUFLEN <= len; i += MD5_BUFLEN) + md5_calc(input + i, ctxt); + + ctxt->md5_i = len - i; + memmove(ctxt->md5_buf, input + i, ctxt->md5_i); + } + else + { + memmove(ctxt->md5_buf + ctxt->md5_i, input, len); + ctxt->md5_i += len; + } +} + +void +md5_pad(md5_ctxt *ctxt) +{ + unsigned int gap; + + /* Don't count up padding. Keep md5_n. */ + gap = MD5_BUFLEN - ctxt->md5_i; + if (gap > 8) + { + memmove(ctxt->md5_buf + ctxt->md5_i, md5_paddat, + gap - sizeof(ctxt->md5_n)); + } + else + { + /* including gap == 8 */ + memmove(ctxt->md5_buf + ctxt->md5_i, md5_paddat, gap); + md5_calc(ctxt->md5_buf, ctxt); + memmove(ctxt->md5_buf, md5_paddat + gap, + MD5_BUFLEN - sizeof(ctxt->md5_n)); + } + + /* 8 byte word */ +#ifndef WORDS_BIGENDIAN + memmove(&ctxt->md5_buf[56], &ctxt->md5_n8[0], 8); +#else + ctxt->md5_buf[56] = ctxt->md5_n8[7]; + ctxt->md5_buf[57] = ctxt->md5_n8[6]; + ctxt->md5_buf[58] = ctxt->md5_n8[5]; + ctxt->md5_buf[59] = ctxt->md5_n8[4]; + ctxt->md5_buf[60] = ctxt->md5_n8[3]; + ctxt->md5_buf[61] = ctxt->md5_n8[2]; + ctxt->md5_buf[62] = ctxt->md5_n8[1]; + ctxt->md5_buf[63] = ctxt->md5_n8[0]; +#endif + + md5_calc(ctxt->md5_buf, ctxt); +} + +void +md5_result(uint8 *digest, md5_ctxt *ctxt) +{ + /* 4 byte words */ +#ifndef WORDS_BIGENDIAN + memmove(digest, &ctxt->md5_st8[0], 16); +#else + digest[0] = ctxt->md5_st8[3]; + digest[1] = ctxt->md5_st8[2]; + digest[2] = ctxt->md5_st8[1]; + digest[3] = ctxt->md5_st8[0]; + digest[4] = ctxt->md5_st8[7]; + digest[5] = ctxt->md5_st8[6]; + digest[6] = ctxt->md5_st8[5]; + digest[7] = ctxt->md5_st8[4]; + digest[8] = ctxt->md5_st8[11]; + digest[9] = ctxt->md5_st8[10]; + digest[10] = ctxt->md5_st8[9]; + digest[11] = ctxt->md5_st8[8]; + digest[12] = ctxt->md5_st8[15]; + digest[13] = ctxt->md5_st8[14]; + digest[14] = ctxt->md5_st8[13]; + digest[15] = ctxt->md5_st8[12]; +#endif +} + +#ifdef WORDS_BIGENDIAN +static uint32 X[16]; +#endif + +static void +md5_calc(const uint8 *b64, md5_ctxt *ctxt) +{ + uint32 A = ctxt->md5_sta; + uint32 B = ctxt->md5_stb; + uint32 C = ctxt->md5_stc; + uint32 D = ctxt->md5_std; + +#ifndef WORDS_BIGENDIAN + const uint32 *X = (const uint32 *) b64; +#else + /* 4 byte words */ + /* what a brute force but fast! */ + uint8 *y = (uint8 *) X; + + y[0] = b64[3]; + y[1] = b64[2]; + y[2] = b64[1]; + y[3] = b64[0]; + y[4] = b64[7]; + y[5] = b64[6]; + y[6] = b64[5]; + y[7] = b64[4]; + y[8] = b64[11]; + y[9] = b64[10]; + y[10] = b64[9]; + y[11] = b64[8]; + y[12] = b64[15]; + y[13] = b64[14]; + y[14] = b64[13]; + y[15] = b64[12]; + y[16] = b64[19]; + y[17] = b64[18]; + y[18] = b64[17]; + y[19] = b64[16]; + y[20] = b64[23]; + y[21] = b64[22]; + y[22] = b64[21]; + y[23] = b64[20]; + y[24] = b64[27]; + y[25] = b64[26]; + y[26] = b64[25]; + y[27] = b64[24]; + y[28] = b64[31]; + y[29] = b64[30]; + y[30] = b64[29]; + y[31] = b64[28]; + y[32] = b64[35]; + y[33] = b64[34]; + y[34] = b64[33]; + y[35] = b64[32]; + y[36] = b64[39]; + y[37] = b64[38]; + y[38] = b64[37]; + y[39] = b64[36]; + y[40] = b64[43]; + y[41] = b64[42]; + y[42] = b64[41]; + y[43] = b64[40]; + y[44] = b64[47]; + y[45] = b64[46]; + y[46] = b64[45]; + y[47] = b64[44]; + y[48] = b64[51]; + y[49] = b64[50]; + y[50] = b64[49]; + y[51] = b64[48]; + y[52] = b64[55]; + y[53] = b64[54]; + y[54] = b64[53]; + y[55] = b64[52]; + y[56] = b64[59]; + y[57] = b64[58]; + y[58] = b64[57]; + y[59] = b64[56]; + y[60] = b64[63]; + y[61] = b64[62]; + y[62] = b64[61]; + y[63] = b64[60]; +#endif + + ROUND1(A, B, C, D, 0, Sa, 1); + ROUND1(D, A, B, C, 1, Sb, 2); + ROUND1(C, D, A, B, 2, Sc, 3); + ROUND1(B, C, D, A, 3, Sd, 4); + ROUND1(A, B, C, D, 4, Sa, 5); + ROUND1(D, A, B, C, 5, Sb, 6); + ROUND1(C, D, A, B, 6, Sc, 7); + ROUND1(B, C, D, A, 7, Sd, 8); + ROUND1(A, B, C, D, 8, Sa, 9); + ROUND1(D, A, B, C, 9, Sb, 10); + ROUND1(C, D, A, B, 10, Sc, 11); + ROUND1(B, C, D, A, 11, Sd, 12); + ROUND1(A, B, C, D, 12, Sa, 13); + ROUND1(D, A, B, C, 13, Sb, 14); + ROUND1(C, D, A, B, 14, Sc, 15); + ROUND1(B, C, D, A, 15, Sd, 16); + + ROUND2(A, B, C, D, 1, Se, 17); + ROUND2(D, A, B, C, 6, Sf, 18); + ROUND2(C, D, A, B, 11, Sg, 19); + ROUND2(B, C, D, A, 0, Sh, 20); + ROUND2(A, B, C, D, 5, Se, 21); + ROUND2(D, A, B, C, 10, Sf, 22); + ROUND2(C, D, A, B, 15, Sg, 23); + ROUND2(B, C, D, A, 4, Sh, 24); + ROUND2(A, B, C, D, 9, Se, 25); + ROUND2(D, A, B, C, 14, Sf, 26); + ROUND2(C, D, A, B, 3, Sg, 27); + ROUND2(B, C, D, A, 8, Sh, 28); + ROUND2(A, B, C, D, 13, Se, 29); + ROUND2(D, A, B, C, 2, Sf, 30); + ROUND2(C, D, A, B, 7, Sg, 31); + ROUND2(B, C, D, A, 12, Sh, 32); + + ROUND3(A, B, C, D, 5, Si, 33); + ROUND3(D, A, B, C, 8, Sj, 34); + ROUND3(C, D, A, B, 11, Sk, 35); + ROUND3(B, C, D, A, 14, Sl, 36); + ROUND3(A, B, C, D, 1, Si, 37); + ROUND3(D, A, B, C, 4, Sj, 38); + ROUND3(C, D, A, B, 7, Sk, 39); + ROUND3(B, C, D, A, 10, Sl, 40); + ROUND3(A, B, C, D, 13, Si, 41); + ROUND3(D, A, B, C, 0, Sj, 42); + ROUND3(C, D, A, B, 3, Sk, 43); + ROUND3(B, C, D, A, 6, Sl, 44); + ROUND3(A, B, C, D, 9, Si, 45); + ROUND3(D, A, B, C, 12, Sj, 46); + ROUND3(C, D, A, B, 15, Sk, 47); + ROUND3(B, C, D, A, 2, Sl, 48); + + ROUND4(A, B, C, D, 0, Sm, 49); + ROUND4(D, A, B, C, 7, Sn, 50); + ROUND4(C, D, A, B, 14, So, 51); + ROUND4(B, C, D, A, 5, Sp, 52); + ROUND4(A, B, C, D, 12, Sm, 53); + ROUND4(D, A, B, C, 3, Sn, 54); + ROUND4(C, D, A, B, 10, So, 55); + ROUND4(B, C, D, A, 1, Sp, 56); + ROUND4(A, B, C, D, 8, Sm, 57); + ROUND4(D, A, B, C, 15, Sn, 58); + ROUND4(C, D, A, B, 6, So, 59); + ROUND4(B, C, D, A, 13, Sp, 60); + ROUND4(A, B, C, D, 4, Sm, 61); + ROUND4(D, A, B, C, 11, Sn, 62); + ROUND4(C, D, A, B, 2, So, 63); + ROUND4(B, C, D, A, 9, Sp, 64); + + ctxt->md5_sta += A; + ctxt->md5_stb += B; + ctxt->md5_stc += C; + ctxt->md5_std += D; +} diff --git a/contrib/pgcrypto/md5.h b/contrib/pgcrypto/md5.h new file mode 100644 index 0000000..3e6e8da --- /dev/null +++ b/contrib/pgcrypto/md5.h @@ -0,0 +1,79 @@ +/* contrib/pgcrypto/md5.h */ +/* $KAME: md5.h,v 1.3 2000/02/22 14:01:18 itojun Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _NETINET6_MD5_H_ +#define _NETINET6_MD5_H_ + +#define MD5_BUFLEN 64 + +typedef struct +{ + union + { + uint32 md5_state32[4]; + uint8 md5_state8[16]; + } md5_st; + +#define md5_sta md5_st.md5_state32[0] +#define md5_stb md5_st.md5_state32[1] +#define md5_stc md5_st.md5_state32[2] +#define md5_std md5_st.md5_state32[3] +#define md5_st8 md5_st.md5_state8 + + union + { + uint64 md5_count64; + uint8 md5_count8[8]; + } md5_count; +#define md5_n md5_count.md5_count64 +#define md5_n8 md5_count.md5_count8 + + unsigned int md5_i; + uint8 md5_buf[MD5_BUFLEN]; +} md5_ctxt; + +extern void md5_init(md5_ctxt *); +extern void md5_loop(md5_ctxt *, const uint8 *, unsigned int); +extern void md5_pad(md5_ctxt *); +extern void md5_result(uint8 *, md5_ctxt *); + +/* compatibility */ +#define MD5_CTX md5_ctxt +#define MD5Init(x) md5_init((x)) +#define MD5Update(x, y, z) md5_loop((x), (y), (z)) +#define MD5Final(x, y) \ +do { \ + md5_pad((y)); \ + md5_result((x), (y)); \ +} while (0) + +#endif /* ! _NETINET6_MD5_H_ */ diff --git a/contrib/pgcrypto/openssl.c b/contrib/pgcrypto/openssl.c new file mode 100644 index 0000000..5cc6579 --- /dev/null +++ b/contrib/pgcrypto/openssl.c @@ -0,0 +1,817 @@ +/* + * openssl.c + * Wrapper for OpenSSL library. + * + * Copyright (c) 2001 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/openssl.c + */ + +#include "postgres.h" + +#include +#include +#include + +#include "px.h" +#include "utils/memutils.h" +#include "utils/resowner.h" + +/* + * Max lengths we might want to handle. + */ +#define MAX_KEY (512/8) +#define MAX_IV (128/8) + +/* + * Hashes + */ + +/* + * To make sure we don't leak OpenSSL handles on abort, we keep OSSLDigest + * objects in a linked list, allocated in TopMemoryContext. We use the + * ResourceOwner mechanism to free them on abort. + */ +typedef struct OSSLDigest +{ + const EVP_MD *algo; + EVP_MD_CTX *ctx; + + ResourceOwner owner; + struct OSSLDigest *next; + struct OSSLDigest *prev; +} OSSLDigest; + +static OSSLDigest *open_digests = NULL; +static bool digest_resowner_callback_registered = false; + +static void +free_openssl_digest(OSSLDigest *digest) +{ + EVP_MD_CTX_destroy(digest->ctx); + if (digest->prev) + digest->prev->next = digest->next; + else + open_digests = digest->next; + if (digest->next) + digest->next->prev = digest->prev; + pfree(digest); +} + +/* + * Close any open OpenSSL handles on abort. + */ +static void +digest_free_callback(ResourceReleasePhase phase, + bool isCommit, + bool isTopLevel, + void *arg) +{ + OSSLDigest *curr; + OSSLDigest *next; + + if (phase != RESOURCE_RELEASE_AFTER_LOCKS) + return; + + next = open_digests; + while (next) + { + curr = next; + next = curr->next; + + if (curr->owner == CurrentResourceOwner) + { + if (isCommit) + elog(WARNING, "pgcrypto digest reference leak: digest %p still referenced", curr); + free_openssl_digest(curr); + } + } +} + +static unsigned +digest_result_size(PX_MD *h) +{ + OSSLDigest *digest = (OSSLDigest *) h->p.ptr; + int result = EVP_MD_CTX_size(digest->ctx); + + if (result < 0) + elog(ERROR, "EVP_MD_CTX_size() failed"); + + return result; +} + +static unsigned +digest_block_size(PX_MD *h) +{ + OSSLDigest *digest = (OSSLDigest *) h->p.ptr; + int result = EVP_MD_CTX_block_size(digest->ctx); + + if (result < 0) + elog(ERROR, "EVP_MD_CTX_block_size() failed"); + + return result; +} + +static void +digest_reset(PX_MD *h) +{ + OSSLDigest *digest = (OSSLDigest *) h->p.ptr; + + if (!EVP_DigestInit_ex(digest->ctx, digest->algo, NULL)) + elog(ERROR, "EVP_DigestInit_ex() failed"); +} + +static void +digest_update(PX_MD *h, const uint8 *data, unsigned dlen) +{ + OSSLDigest *digest = (OSSLDigest *) h->p.ptr; + + if (!EVP_DigestUpdate(digest->ctx, data, dlen)) + elog(ERROR, "EVP_DigestUpdate() failed"); +} + +static void +digest_finish(PX_MD *h, uint8 *dst) +{ + OSSLDigest *digest = (OSSLDigest *) h->p.ptr; + + if (!EVP_DigestFinal_ex(digest->ctx, dst, NULL)) + elog(ERROR, "EVP_DigestFinal_ex() failed"); +} + +static void +digest_free(PX_MD *h) +{ + OSSLDigest *digest = (OSSLDigest *) h->p.ptr; + + free_openssl_digest(digest); + px_free(h); +} + +static int px_openssl_initialized = 0; + +/* PUBLIC functions */ + +int +px_find_digest(const char *name, PX_MD **res) +{ + const EVP_MD *md; + EVP_MD_CTX *ctx; + PX_MD *h; + OSSLDigest *digest; + + if (!px_openssl_initialized) + { + px_openssl_initialized = 1; + OpenSSL_add_all_algorithms(); + } + + if (!digest_resowner_callback_registered) + { + RegisterResourceReleaseCallback(digest_free_callback, NULL); + digest_resowner_callback_registered = true; + } + + md = EVP_get_digestbyname(name); + if (md == NULL) + return PXE_NO_HASH; + + /* + * Create an OSSLDigest object, an OpenSSL MD object, and a PX_MD object. + * The order is crucial, to make sure we don't leak anything on + * out-of-memory or other error. + */ + digest = MemoryContextAlloc(TopMemoryContext, sizeof(*digest)); + + ctx = EVP_MD_CTX_create(); + if (!ctx) + { + pfree(digest); + return -1; + } + if (EVP_DigestInit_ex(ctx, md, NULL) == 0) + { + EVP_MD_CTX_destroy(ctx); + pfree(digest); + return -1; + } + + digest->algo = md; + digest->ctx = ctx; + digest->owner = CurrentResourceOwner; + digest->next = open_digests; + digest->prev = NULL; + open_digests = digest; + + /* The PX_MD object is allocated in the current memory context. */ + h = px_alloc(sizeof(*h)); + h->result_size = digest_result_size; + h->block_size = digest_block_size; + h->reset = digest_reset; + h->update = digest_update; + h->finish = digest_finish; + h->free = digest_free; + h->p.ptr = (void *) digest; + + *res = h; + return 0; +} + +/* + * Ciphers + * + * We use OpenSSL's EVP* family of functions for these. + */ + +/* + * prototype for the EVP functions that return an algorithm, e.g. + * EVP_aes_128_cbc(). + */ +typedef const EVP_CIPHER *(*ossl_EVP_cipher_func) (void); + +/* + * ossl_cipher contains the static information about each cipher. + */ +struct ossl_cipher +{ + int (*init) (PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv); + ossl_EVP_cipher_func cipher_func; + int block_size; + int max_key_size; +}; + +/* + * OSSLCipher contains the state for using a cipher. A separate OSSLCipher + * object is allocated in each px_find_cipher() call. + * + * To make sure we don't leak OpenSSL handles on abort, we keep OSSLCipher + * objects in a linked list, allocated in TopMemoryContext. We use the + * ResourceOwner mechanism to free them on abort. + */ +typedef struct OSSLCipher +{ + EVP_CIPHER_CTX *evp_ctx; + const EVP_CIPHER *evp_ciph; + uint8 key[MAX_KEY]; + uint8 iv[MAX_IV]; + unsigned klen; + unsigned init; + const struct ossl_cipher *ciph; + + ResourceOwner owner; + struct OSSLCipher *next; + struct OSSLCipher *prev; +} OSSLCipher; + +static OSSLCipher *open_ciphers = NULL; +static bool cipher_resowner_callback_registered = false; + +static void +free_openssl_cipher(OSSLCipher *od) +{ + EVP_CIPHER_CTX_free(od->evp_ctx); + if (od->prev) + od->prev->next = od->next; + else + open_ciphers = od->next; + if (od->next) + od->next->prev = od->prev; + pfree(od); +} + +/* + * Close any open OpenSSL cipher handles on abort. + */ +static void +cipher_free_callback(ResourceReleasePhase phase, + bool isCommit, + bool isTopLevel, + void *arg) +{ + OSSLCipher *curr; + OSSLCipher *next; + + if (phase != RESOURCE_RELEASE_AFTER_LOCKS) + return; + + next = open_ciphers; + while (next) + { + curr = next; + next = curr->next; + + if (curr->owner == CurrentResourceOwner) + { + if (isCommit) + elog(WARNING, "pgcrypto cipher reference leak: cipher %p still referenced", curr); + free_openssl_cipher(curr); + } + } +} + +/* Common routines for all algorithms */ + +static unsigned +gen_ossl_block_size(PX_Cipher *c) +{ + OSSLCipher *od = (OSSLCipher *) c->ptr; + + return od->ciph->block_size; +} + +static unsigned +gen_ossl_key_size(PX_Cipher *c) +{ + OSSLCipher *od = (OSSLCipher *) c->ptr; + + return od->ciph->max_key_size; +} + +static unsigned +gen_ossl_iv_size(PX_Cipher *c) +{ + unsigned ivlen; + OSSLCipher *od = (OSSLCipher *) c->ptr; + + ivlen = od->ciph->block_size; + return ivlen; +} + +static void +gen_ossl_free(PX_Cipher *c) +{ + OSSLCipher *od = (OSSLCipher *) c->ptr; + + free_openssl_cipher(od); + px_free(c); +} + +static int +gen_ossl_decrypt(PX_Cipher *c, const uint8 *data, unsigned dlen, + uint8 *res) +{ + OSSLCipher *od = c->ptr; + int outlen; + + if (!od->init) + { + if (!EVP_DecryptInit_ex(od->evp_ctx, od->evp_ciph, NULL, NULL, NULL)) + return PXE_CIPHER_INIT; + if (!EVP_CIPHER_CTX_set_key_length(od->evp_ctx, od->klen)) + return PXE_CIPHER_INIT; + if (!EVP_DecryptInit_ex(od->evp_ctx, NULL, NULL, od->key, od->iv)) + return PXE_CIPHER_INIT; + od->init = true; + } + + if (!EVP_DecryptUpdate(od->evp_ctx, res, &outlen, data, dlen)) + return PXE_DECRYPT_FAILED; + + return 0; +} + +static int +gen_ossl_encrypt(PX_Cipher *c, const uint8 *data, unsigned dlen, + uint8 *res) +{ + OSSLCipher *od = c->ptr; + int outlen; + + if (!od->init) + { + if (!EVP_EncryptInit_ex(od->evp_ctx, od->evp_ciph, NULL, NULL, NULL)) + return PXE_CIPHER_INIT; + if (!EVP_CIPHER_CTX_set_key_length(od->evp_ctx, od->klen)) + return PXE_CIPHER_INIT; + if (!EVP_EncryptInit_ex(od->evp_ctx, NULL, NULL, od->key, od->iv)) + return PXE_CIPHER_INIT; + od->init = true; + } + + if (!EVP_EncryptUpdate(od->evp_ctx, res, &outlen, data, dlen)) + return PXE_ERR_GENERIC; + + return 0; +} + +/* Blowfish */ + +/* + * Check if strong crypto is supported. Some OpenSSL installations + * support only short keys and unfortunately BF_set_key does not return any + * error value. This function tests if is possible to use strong key. + */ +static int +bf_check_supported_key_len(void) +{ + static const uint8 key[56] = { + 0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x96, 0x87, 0x78, 0x69, + 0x5a, 0x4b, 0x3c, 0x2d, 0x1e, 0x0f, 0x00, 0x11, 0x22, 0x33, + 0x44, 0x55, 0x66, 0x77, 0x04, 0x68, 0x91, 0x04, 0xc2, 0xfd, + 0x3b, 0x2f, 0x58, 0x40, 0x23, 0x64, 0x1a, 0xba, 0x61, 0x76, + 0x1f, 0x1f, 0x1f, 0x1f, 0x0e, 0x0e, 0x0e, 0x0e, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + }; + + static const uint8 data[8] = {0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}; + static const uint8 res[8] = {0xc0, 0x45, 0x04, 0x01, 0x2e, 0x4e, 0x1f, 0x53}; + uint8 out[8]; + EVP_CIPHER_CTX *evp_ctx; + int outlen; + int status = 0; + + /* encrypt with 448bits key and verify output */ + evp_ctx = EVP_CIPHER_CTX_new(); + if (!evp_ctx) + return 0; + if (!EVP_EncryptInit_ex(evp_ctx, EVP_bf_ecb(), NULL, NULL, NULL)) + goto leave; + if (!EVP_CIPHER_CTX_set_key_length(evp_ctx, 56)) + goto leave; + if (!EVP_EncryptInit_ex(evp_ctx, NULL, NULL, key, NULL)) + goto leave; + + if (!EVP_EncryptUpdate(evp_ctx, out, &outlen, data, 8)) + goto leave; + + if (memcmp(out, res, 8) != 0) + goto leave; /* Output does not match -> strong cipher is + * not supported */ + status = 1; + +leave: + EVP_CIPHER_CTX_free(evp_ctx); + return status; +} + +static int +bf_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv) +{ + OSSLCipher *od = c->ptr; + unsigned bs = gen_ossl_block_size(c); + static int bf_is_strong = -1; + + /* + * Test if key len is supported. BF_set_key silently cut large keys and it + * could be a problem when user transfer crypted data from one server to + * another. + */ + + if (bf_is_strong == -1) + bf_is_strong = bf_check_supported_key_len(); + + if (!bf_is_strong && klen > 16) + return PXE_KEY_TOO_BIG; + + /* Key len is supported. We can use it. */ + od->klen = klen; + memcpy(od->key, key, klen); + + if (iv) + memcpy(od->iv, iv, bs); + else + memset(od->iv, 0, bs); + return 0; +} + +/* DES */ + +static int +ossl_des_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv) +{ + OSSLCipher *od = c->ptr; + unsigned bs = gen_ossl_block_size(c); + + od->klen = 8; + memset(od->key, 0, 8); + memcpy(od->key, key, klen > 8 ? 8 : klen); + + if (iv) + memcpy(od->iv, iv, bs); + else + memset(od->iv, 0, bs); + return 0; +} + +/* DES3 */ + +static int +ossl_des3_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv) +{ + OSSLCipher *od = c->ptr; + unsigned bs = gen_ossl_block_size(c); + + od->klen = 24; + memset(od->key, 0, 24); + memcpy(od->key, key, klen > 24 ? 24 : klen); + + if (iv) + memcpy(od->iv, iv, bs); + else + memset(od->iv, 0, bs); + return 0; +} + +/* CAST5 */ + +static int +ossl_cast_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv) +{ + OSSLCipher *od = c->ptr; + unsigned bs = gen_ossl_block_size(c); + + od->klen = klen; + memcpy(od->key, key, klen); + + if (iv) + memcpy(od->iv, iv, bs); + else + memset(od->iv, 0, bs); + return 0; +} + +/* AES */ + +static int +ossl_aes_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv) +{ + OSSLCipher *od = c->ptr; + unsigned bs = gen_ossl_block_size(c); + + if (klen <= 128 / 8) + od->klen = 128 / 8; + else if (klen <= 192 / 8) + od->klen = 192 / 8; + else if (klen <= 256 / 8) + od->klen = 256 / 8; + else + return PXE_KEY_TOO_BIG; + + memcpy(od->key, key, klen); + + if (iv) + memcpy(od->iv, iv, bs); + else + memset(od->iv, 0, bs); + + return 0; +} + +static int +ossl_aes_ecb_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv) +{ + OSSLCipher *od = c->ptr; + int err; + + err = ossl_aes_init(c, key, klen, iv); + if (err) + return err; + + switch (od->klen) + { + case 128 / 8: + od->evp_ciph = EVP_aes_128_ecb(); + break; + case 192 / 8: + od->evp_ciph = EVP_aes_192_ecb(); + break; + case 256 / 8: + od->evp_ciph = EVP_aes_256_ecb(); + break; + default: + /* shouldn't happen */ + err = PXE_CIPHER_INIT; + break; + } + + return err; +} + +static int +ossl_aes_cbc_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv) +{ + OSSLCipher *od = c->ptr; + int err; + + err = ossl_aes_init(c, key, klen, iv); + if (err) + return err; + + switch (od->klen) + { + case 128 / 8: + od->evp_ciph = EVP_aes_128_cbc(); + break; + case 192 / 8: + od->evp_ciph = EVP_aes_192_cbc(); + break; + case 256 / 8: + od->evp_ciph = EVP_aes_256_cbc(); + break; + default: + /* shouldn't happen */ + err = PXE_CIPHER_INIT; + break; + } + + return err; +} + +/* + * aliases + */ + +static PX_Alias ossl_aliases[] = { + {"bf", "bf-cbc"}, + {"blowfish", "bf-cbc"}, + {"blowfish-cbc", "bf-cbc"}, + {"blowfish-ecb", "bf-ecb"}, + {"blowfish-cfb", "bf-cfb"}, + {"des", "des-cbc"}, + {"3des", "des3-cbc"}, + {"3des-ecb", "des3-ecb"}, + {"3des-cbc", "des3-cbc"}, + {"cast5", "cast5-cbc"}, + {"aes", "aes-cbc"}, + {"rijndael", "aes-cbc"}, + {"rijndael-cbc", "aes-cbc"}, + {"rijndael-ecb", "aes-ecb"}, + {NULL} +}; + +static const struct ossl_cipher ossl_bf_cbc = { + bf_init, + EVP_bf_cbc, + 64 / 8, 448 / 8 +}; + +static const struct ossl_cipher ossl_bf_ecb = { + bf_init, + EVP_bf_ecb, + 64 / 8, 448 / 8 +}; + +static const struct ossl_cipher ossl_bf_cfb = { + bf_init, + EVP_bf_cfb, + 64 / 8, 448 / 8 +}; + +static const struct ossl_cipher ossl_des_ecb = { + ossl_des_init, + EVP_des_ecb, + 64 / 8, 64 / 8 +}; + +static const struct ossl_cipher ossl_des_cbc = { + ossl_des_init, + EVP_des_cbc, + 64 / 8, 64 / 8 +}; + +static const struct ossl_cipher ossl_des3_ecb = { + ossl_des3_init, + EVP_des_ede3_ecb, + 64 / 8, 192 / 8 +}; + +static const struct ossl_cipher ossl_des3_cbc = { + ossl_des3_init, + EVP_des_ede3_cbc, + 64 / 8, 192 / 8 +}; + +static const struct ossl_cipher ossl_cast_ecb = { + ossl_cast_init, + EVP_cast5_ecb, + 64 / 8, 128 / 8 +}; + +static const struct ossl_cipher ossl_cast_cbc = { + ossl_cast_init, + EVP_cast5_cbc, + 64 / 8, 128 / 8 +}; + +static const struct ossl_cipher ossl_aes_ecb = { + ossl_aes_ecb_init, + NULL, /* EVP_aes_XXX_ecb(), determined in init + * function */ + 128 / 8, 256 / 8 +}; + +static const struct ossl_cipher ossl_aes_cbc = { + ossl_aes_cbc_init, + NULL, /* EVP_aes_XXX_cbc(), determined in init + * function */ + 128 / 8, 256 / 8 +}; + +/* + * Special handlers + */ +struct ossl_cipher_lookup +{ + const char *name; + const struct ossl_cipher *ciph; +}; + +static const struct ossl_cipher_lookup ossl_cipher_types[] = { + {"bf-cbc", &ossl_bf_cbc}, + {"bf-ecb", &ossl_bf_ecb}, + {"bf-cfb", &ossl_bf_cfb}, + {"des-ecb", &ossl_des_ecb}, + {"des-cbc", &ossl_des_cbc}, + {"des3-ecb", &ossl_des3_ecb}, + {"des3-cbc", &ossl_des3_cbc}, + {"cast5-ecb", &ossl_cast_ecb}, + {"cast5-cbc", &ossl_cast_cbc}, + {"aes-ecb", &ossl_aes_ecb}, + {"aes-cbc", &ossl_aes_cbc}, + {NULL} +}; + +/* PUBLIC functions */ + +int +px_find_cipher(const char *name, PX_Cipher **res) +{ + const struct ossl_cipher_lookup *i; + PX_Cipher *c = NULL; + EVP_CIPHER_CTX *ctx; + OSSLCipher *od; + + name = px_resolve_alias(ossl_aliases, name); + for (i = ossl_cipher_types; i->name; i++) + if (strcmp(i->name, name) == 0) + break; + if (i->name == NULL) + return PXE_NO_CIPHER; + + if (!cipher_resowner_callback_registered) + { + RegisterResourceReleaseCallback(cipher_free_callback, NULL); + cipher_resowner_callback_registered = true; + } + + /* + * Create an OSSLCipher object, an EVP_CIPHER_CTX object and a PX_Cipher. + * The order is crucial, to make sure we don't leak anything on + * out-of-memory or other error. + */ + od = MemoryContextAllocZero(TopMemoryContext, sizeof(*od)); + od->ciph = i->ciph; + + /* Allocate an EVP_CIPHER_CTX object. */ + ctx = EVP_CIPHER_CTX_new(); + if (!ctx) + { + pfree(od); + return PXE_CIPHER_INIT; + } + + od->evp_ctx = ctx; + od->owner = CurrentResourceOwner; + od->next = open_ciphers; + od->prev = NULL; + open_ciphers = od; + + if (i->ciph->cipher_func) + od->evp_ciph = i->ciph->cipher_func(); + + /* The PX_Cipher is allocated in current memory context */ + c = px_alloc(sizeof(*c)); + c->block_size = gen_ossl_block_size; + c->key_size = gen_ossl_key_size; + c->iv_size = gen_ossl_iv_size; + c->free = gen_ossl_free; + c->init = od->ciph->init; + c->encrypt = gen_ossl_encrypt; + c->decrypt = gen_ossl_decrypt; + c->ptr = od; + + *res = c; + return 0; +} diff --git a/contrib/pgcrypto/pgcrypto--1.0--1.1.sql b/contrib/pgcrypto/pgcrypto--1.0--1.1.sql new file mode 100644 index 0000000..42e0c7f --- /dev/null +++ b/contrib/pgcrypto/pgcrypto--1.0--1.1.sql @@ -0,0 +1,9 @@ +/* contrib/pgcrypto/pgcrypto--1.0--1.1.sql */ + +-- complain if script is sourced in psql, rather than via ALTER EXTENSION +\echo Use "ALTER EXTENSION pgcrypto UPDATE TO '1.1'" to load this file. \quit + +CREATE FUNCTION gen_random_uuid() +RETURNS uuid +AS 'MODULE_PATHNAME', 'pg_random_uuid' +LANGUAGE C VOLATILE; diff --git a/contrib/pgcrypto/pgcrypto--1.1--1.2.sql b/contrib/pgcrypto/pgcrypto--1.1--1.2.sql new file mode 100644 index 0000000..753e169 --- /dev/null +++ b/contrib/pgcrypto/pgcrypto--1.1--1.2.sql @@ -0,0 +1,14 @@ +/* contrib/pgcrypto/pgcrypto--1.1--1.2.sql */ + +-- complain if script is sourced in psql, rather than via ALTER EXTENSION +\echo Use "ALTER EXTENSION pgcrypto UPDATE TO '1.2'" to load this file. \quit + +CREATE FUNCTION armor(bytea, text[], text[]) +RETURNS text +AS 'MODULE_PATHNAME', 'pg_armor' +LANGUAGE C IMMUTABLE STRICT; + +CREATE FUNCTION pgp_armor_headers(text, key OUT text, value OUT text) +RETURNS SETOF record +AS 'MODULE_PATHNAME', 'pgp_armor_headers' +LANGUAGE C IMMUTABLE STRICT; diff --git a/contrib/pgcrypto/pgcrypto--1.2--1.3.sql b/contrib/pgcrypto/pgcrypto--1.2--1.3.sql new file mode 100644 index 0000000..525a037 --- /dev/null +++ b/contrib/pgcrypto/pgcrypto--1.2--1.3.sql @@ -0,0 +1,41 @@ +/* contrib/pgcrypto/pgcrypto--1.2--1.3.sql */ + +-- complain if script is sourced in psql, rather than via ALTER EXTENSION +\echo Use "ALTER EXTENSION pgcrypto UPDATE TO '1.3'" to load this file. \quit + +ALTER FUNCTION digest(text, text) PARALLEL SAFE; +ALTER FUNCTION digest(bytea, text) PARALLEL SAFE; +ALTER FUNCTION hmac(text, text, text) PARALLEL SAFE; +ALTER FUNCTION hmac(bytea, bytea, text) PARALLEL SAFE; +ALTER FUNCTION crypt(text, text) PARALLEL SAFE; +ALTER FUNCTION gen_salt(text) PARALLEL SAFE; +ALTER FUNCTION gen_salt(text, int4) PARALLEL SAFE; +ALTER FUNCTION encrypt(bytea, bytea, text) PARALLEL SAFE; +ALTER FUNCTION decrypt(bytea, bytea, text) PARALLEL SAFE; +ALTER FUNCTION encrypt_iv(bytea, bytea, bytea, text) PARALLEL SAFE; +ALTER FUNCTION decrypt_iv(bytea, bytea, bytea, text) PARALLEL SAFE; +ALTER FUNCTION gen_random_bytes(int4) PARALLEL SAFE; +ALTER FUNCTION gen_random_uuid() PARALLEL SAFE; +ALTER FUNCTION pgp_sym_encrypt(text, text) PARALLEL SAFE; +ALTER FUNCTION pgp_sym_encrypt_bytea(bytea, text) PARALLEL SAFE; +ALTER FUNCTION pgp_sym_encrypt(text, text, text) PARALLEL SAFE; +ALTER FUNCTION pgp_sym_encrypt_bytea(bytea, text, text) PARALLEL SAFE; +ALTER FUNCTION pgp_sym_decrypt(bytea, text) PARALLEL SAFE; +ALTER FUNCTION pgp_sym_decrypt_bytea(bytea, text) PARALLEL SAFE; +ALTER FUNCTION pgp_sym_decrypt(bytea, text, text) PARALLEL SAFE; +ALTER FUNCTION pgp_sym_decrypt_bytea(bytea, text, text) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_encrypt(text, bytea) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_encrypt_bytea(bytea, bytea) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_encrypt(text, bytea, text) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_encrypt_bytea(bytea, bytea, text) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_decrypt(bytea, bytea) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_decrypt_bytea(bytea, bytea) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_decrypt(bytea, bytea, text) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_decrypt_bytea(bytea, bytea, text) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_decrypt(bytea, bytea, text, text) PARALLEL SAFE; +ALTER FUNCTION pgp_pub_decrypt_bytea(bytea, bytea, text, text) PARALLEL SAFE; +ALTER FUNCTION pgp_key_id(bytea) PARALLEL SAFE; +ALTER FUNCTION armor(bytea) PARALLEL SAFE; +ALTER FUNCTION armor(bytea, text[], text[]) PARALLEL SAFE; +ALTER FUNCTION dearmor(text) PARALLEL SAFE; +ALTER FUNCTION pgp_armor_headers(text) PARALLEL SAFE; diff --git a/contrib/pgcrypto/pgcrypto--1.3.sql b/contrib/pgcrypto/pgcrypto--1.3.sql new file mode 100644 index 0000000..c2628ca --- /dev/null +++ b/contrib/pgcrypto/pgcrypto--1.3.sql @@ -0,0 +1,217 @@ +/* contrib/pgcrypto/pgcrypto--1.3.sql */ + +-- complain if script is sourced in psql, rather than via CREATE EXTENSION +\echo Use "CREATE EXTENSION pgcrypto" to load this file. \quit + +CREATE FUNCTION digest(text, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_digest' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION digest(bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_digest' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION hmac(text, text, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_hmac' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION hmac(bytea, bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_hmac' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION crypt(text, text) +RETURNS text +AS 'MODULE_PATHNAME', 'pg_crypt' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION gen_salt(text) +RETURNS text +AS 'MODULE_PATHNAME', 'pg_gen_salt' +LANGUAGE C VOLATILE STRICT PARALLEL SAFE; + +CREATE FUNCTION gen_salt(text, int4) +RETURNS text +AS 'MODULE_PATHNAME', 'pg_gen_salt_rounds' +LANGUAGE C VOLATILE STRICT PARALLEL SAFE; + +CREATE FUNCTION encrypt(bytea, bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_encrypt' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION decrypt(bytea, bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_decrypt' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION encrypt_iv(bytea, bytea, bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_encrypt_iv' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION decrypt_iv(bytea, bytea, bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_decrypt_iv' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION gen_random_bytes(int4) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_random_bytes' +LANGUAGE C VOLATILE STRICT PARALLEL SAFE; + +CREATE FUNCTION gen_random_uuid() +RETURNS uuid +AS 'MODULE_PATHNAME', 'pg_random_uuid' +LANGUAGE C VOLATILE PARALLEL SAFE; + +-- +-- pgp_sym_encrypt(data, key) +-- +CREATE FUNCTION pgp_sym_encrypt(text, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_sym_encrypt_text' +LANGUAGE C STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_sym_encrypt_bytea(bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_sym_encrypt_bytea' +LANGUAGE C STRICT PARALLEL SAFE; + +-- +-- pgp_sym_encrypt(data, key, args) +-- +CREATE FUNCTION pgp_sym_encrypt(text, text, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_sym_encrypt_text' +LANGUAGE C STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_sym_encrypt_bytea(bytea, text, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_sym_encrypt_bytea' +LANGUAGE C STRICT PARALLEL SAFE; + +-- +-- pgp_sym_decrypt(data, key) +-- +CREATE FUNCTION pgp_sym_decrypt(bytea, text) +RETURNS text +AS 'MODULE_PATHNAME', 'pgp_sym_decrypt_text' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_sym_decrypt_bytea(bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_sym_decrypt_bytea' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +-- +-- pgp_sym_decrypt(data, key, args) +-- +CREATE FUNCTION pgp_sym_decrypt(bytea, text, text) +RETURNS text +AS 'MODULE_PATHNAME', 'pgp_sym_decrypt_text' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_sym_decrypt_bytea(bytea, text, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_sym_decrypt_bytea' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +-- +-- pgp_pub_encrypt(data, key) +-- +CREATE FUNCTION pgp_pub_encrypt(text, bytea) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_pub_encrypt_text' +LANGUAGE C STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_pub_encrypt_bytea(bytea, bytea) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_pub_encrypt_bytea' +LANGUAGE C STRICT PARALLEL SAFE; + +-- +-- pgp_pub_encrypt(data, key, args) +-- +CREATE FUNCTION pgp_pub_encrypt(text, bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_pub_encrypt_text' +LANGUAGE C STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_pub_encrypt_bytea(bytea, bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_pub_encrypt_bytea' +LANGUAGE C STRICT PARALLEL SAFE; + +-- +-- pgp_pub_decrypt(data, key) +-- +CREATE FUNCTION pgp_pub_decrypt(bytea, bytea) +RETURNS text +AS 'MODULE_PATHNAME', 'pgp_pub_decrypt_text' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_pub_decrypt_bytea(bytea, bytea) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_pub_decrypt_bytea' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +-- +-- pgp_pub_decrypt(data, key, psw) +-- +CREATE FUNCTION pgp_pub_decrypt(bytea, bytea, text) +RETURNS text +AS 'MODULE_PATHNAME', 'pgp_pub_decrypt_text' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_pub_decrypt_bytea(bytea, bytea, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_pub_decrypt_bytea' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +-- +-- pgp_pub_decrypt(data, key, psw, arg) +-- +CREATE FUNCTION pgp_pub_decrypt(bytea, bytea, text, text) +RETURNS text +AS 'MODULE_PATHNAME', 'pgp_pub_decrypt_text' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_pub_decrypt_bytea(bytea, bytea, text, text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pgp_pub_decrypt_bytea' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +-- +-- PGP key ID +-- +CREATE FUNCTION pgp_key_id(bytea) +RETURNS text +AS 'MODULE_PATHNAME', 'pgp_key_id_w' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +-- +-- pgp armor +-- +CREATE FUNCTION armor(bytea) +RETURNS text +AS 'MODULE_PATHNAME', 'pg_armor' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION armor(bytea, text[], text[]) +RETURNS text +AS 'MODULE_PATHNAME', 'pg_armor' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION dearmor(text) +RETURNS bytea +AS 'MODULE_PATHNAME', 'pg_dearmor' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION pgp_armor_headers(text, key OUT text, value OUT text) +RETURNS SETOF record +AS 'MODULE_PATHNAME', 'pgp_armor_headers' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; diff --git a/contrib/pgcrypto/pgcrypto.c b/contrib/pgcrypto/pgcrypto.c new file mode 100644 index 0000000..f0ac625 --- /dev/null +++ b/contrib/pgcrypto/pgcrypto.c @@ -0,0 +1,475 @@ +/* + * pgcrypto.c + * Various cryptographic stuff for PostgreSQL. + * + * Copyright (c) 2001 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgcrypto.c + */ + +#include "postgres.h" + +#include + +#include "parser/scansup.h" +#include "pgcrypto.h" +#include "px-crypt.h" +#include "px.h" +#include "utils/builtins.h" +#include "utils/uuid.h" + +PG_MODULE_MAGIC; + +/* private stuff */ + +typedef int (*PFN) (const char *name, void **res); +static void *find_provider(text *name, PFN pf, const char *desc, int silent); + +/* SQL function: hash(bytea, text) returns bytea */ +PG_FUNCTION_INFO_V1(pg_digest); + +Datum +pg_digest(PG_FUNCTION_ARGS) +{ + bytea *arg; + text *name; + unsigned len, + hlen; + PX_MD *md; + bytea *res; + + name = PG_GETARG_TEXT_PP(1); + + /* will give error if fails */ + md = find_provider(name, (PFN) px_find_digest, "Digest", 0); + + hlen = px_md_result_size(md); + + res = (text *) palloc(hlen + VARHDRSZ); + SET_VARSIZE(res, hlen + VARHDRSZ); + + arg = PG_GETARG_BYTEA_PP(0); + len = VARSIZE_ANY_EXHDR(arg); + + px_md_update(md, (uint8 *) VARDATA_ANY(arg), len); + px_md_finish(md, (uint8 *) VARDATA(res)); + px_md_free(md); + + PG_FREE_IF_COPY(arg, 0); + PG_FREE_IF_COPY(name, 1); + + PG_RETURN_BYTEA_P(res); +} + +/* SQL function: hmac(data:bytea, key:bytea, type:text) returns bytea */ +PG_FUNCTION_INFO_V1(pg_hmac); + +Datum +pg_hmac(PG_FUNCTION_ARGS) +{ + bytea *arg; + bytea *key; + text *name; + unsigned len, + hlen, + klen; + PX_HMAC *h; + bytea *res; + + name = PG_GETARG_TEXT_PP(2); + + /* will give error if fails */ + h = find_provider(name, (PFN) px_find_hmac, "HMAC", 0); + + hlen = px_hmac_result_size(h); + + res = (text *) palloc(hlen + VARHDRSZ); + SET_VARSIZE(res, hlen + VARHDRSZ); + + arg = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + len = VARSIZE_ANY_EXHDR(arg); + klen = VARSIZE_ANY_EXHDR(key); + + px_hmac_init(h, (uint8 *) VARDATA_ANY(key), klen); + px_hmac_update(h, (uint8 *) VARDATA_ANY(arg), len); + px_hmac_finish(h, (uint8 *) VARDATA(res)); + px_hmac_free(h); + + PG_FREE_IF_COPY(arg, 0); + PG_FREE_IF_COPY(key, 1); + PG_FREE_IF_COPY(name, 2); + + PG_RETURN_BYTEA_P(res); +} + + +/* SQL function: pg_gen_salt(text) returns text */ +PG_FUNCTION_INFO_V1(pg_gen_salt); + +Datum +pg_gen_salt(PG_FUNCTION_ARGS) +{ + text *arg0 = PG_GETARG_TEXT_PP(0); + int len; + char buf[PX_MAX_SALT_LEN + 1]; + + text_to_cstring_buffer(arg0, buf, sizeof(buf)); + len = px_gen_salt(buf, buf, 0); + if (len < 0) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("gen_salt: %s", px_strerror(len)))); + + PG_FREE_IF_COPY(arg0, 0); + + PG_RETURN_TEXT_P(cstring_to_text_with_len(buf, len)); +} + +/* SQL function: pg_gen_salt(text, int4) returns text */ +PG_FUNCTION_INFO_V1(pg_gen_salt_rounds); + +Datum +pg_gen_salt_rounds(PG_FUNCTION_ARGS) +{ + text *arg0 = PG_GETARG_TEXT_PP(0); + int rounds = PG_GETARG_INT32(1); + int len; + char buf[PX_MAX_SALT_LEN + 1]; + + text_to_cstring_buffer(arg0, buf, sizeof(buf)); + len = px_gen_salt(buf, buf, rounds); + if (len < 0) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("gen_salt: %s", px_strerror(len)))); + + PG_FREE_IF_COPY(arg0, 0); + + PG_RETURN_TEXT_P(cstring_to_text_with_len(buf, len)); +} + +/* SQL function: pg_crypt(psw:text, salt:text) returns text */ +PG_FUNCTION_INFO_V1(pg_crypt); + +Datum +pg_crypt(PG_FUNCTION_ARGS) +{ + text *arg0 = PG_GETARG_TEXT_PP(0); + text *arg1 = PG_GETARG_TEXT_PP(1); + char *buf0, + *buf1, + *cres, + *resbuf; + text *res; + + buf0 = text_to_cstring(arg0); + buf1 = text_to_cstring(arg1); + + resbuf = palloc0(PX_MAX_CRYPT); + + cres = px_crypt(buf0, buf1, resbuf, PX_MAX_CRYPT); + + pfree(buf0); + pfree(buf1); + + if (cres == NULL) + ereport(ERROR, + (errcode(ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION), + errmsg("crypt(3) returned NULL"))); + + res = cstring_to_text(cres); + + pfree(resbuf); + + PG_FREE_IF_COPY(arg0, 0); + PG_FREE_IF_COPY(arg1, 1); + + PG_RETURN_TEXT_P(res); +} + +/* SQL function: pg_encrypt(bytea, bytea, text) returns bytea */ +PG_FUNCTION_INFO_V1(pg_encrypt); + +Datum +pg_encrypt(PG_FUNCTION_ARGS) +{ + int err; + bytea *data, + *key, + *res; + text *type; + PX_Combo *c; + unsigned dlen, + klen, + rlen; + + type = PG_GETARG_TEXT_PP(2); + c = find_provider(type, (PFN) px_find_combo, "Cipher", 0); + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + dlen = VARSIZE_ANY_EXHDR(data); + klen = VARSIZE_ANY_EXHDR(key); + + rlen = px_combo_encrypt_len(c, dlen); + res = palloc(VARHDRSZ + rlen); + + err = px_combo_init(c, (uint8 *) VARDATA_ANY(key), klen, NULL, 0); + if (!err) + err = px_combo_encrypt(c, (uint8 *) VARDATA_ANY(data), dlen, + (uint8 *) VARDATA(res), &rlen); + px_combo_free(c); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + PG_FREE_IF_COPY(type, 2); + + if (err) + { + pfree(res); + ereport(ERROR, + (errcode(ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION), + errmsg("encrypt error: %s", px_strerror(err)))); + } + + SET_VARSIZE(res, VARHDRSZ + rlen); + PG_RETURN_BYTEA_P(res); +} + +/* SQL function: pg_decrypt(bytea, bytea, text) returns bytea */ +PG_FUNCTION_INFO_V1(pg_decrypt); + +Datum +pg_decrypt(PG_FUNCTION_ARGS) +{ + int err; + bytea *data, + *key, + *res; + text *type; + PX_Combo *c; + unsigned dlen, + klen, + rlen; + + type = PG_GETARG_TEXT_PP(2); + c = find_provider(type, (PFN) px_find_combo, "Cipher", 0); + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + dlen = VARSIZE_ANY_EXHDR(data); + klen = VARSIZE_ANY_EXHDR(key); + + rlen = px_combo_decrypt_len(c, dlen); + res = palloc(VARHDRSZ + rlen); + + err = px_combo_init(c, (uint8 *) VARDATA_ANY(key), klen, NULL, 0); + if (!err) + err = px_combo_decrypt(c, (uint8 *) VARDATA_ANY(data), dlen, + (uint8 *) VARDATA(res), &rlen); + + px_combo_free(c); + + if (err) + ereport(ERROR, + (errcode(ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION), + errmsg("decrypt error: %s", px_strerror(err)))); + + SET_VARSIZE(res, VARHDRSZ + rlen); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + PG_FREE_IF_COPY(type, 2); + + PG_RETURN_BYTEA_P(res); +} + +/* SQL function: pg_encrypt_iv(bytea, bytea, bytea, text) returns bytea */ +PG_FUNCTION_INFO_V1(pg_encrypt_iv); + +Datum +pg_encrypt_iv(PG_FUNCTION_ARGS) +{ + int err; + bytea *data, + *key, + *iv, + *res; + text *type; + PX_Combo *c; + unsigned dlen, + klen, + ivlen, + rlen; + + type = PG_GETARG_TEXT_PP(3); + c = find_provider(type, (PFN) px_find_combo, "Cipher", 0); + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + iv = PG_GETARG_BYTEA_PP(2); + dlen = VARSIZE_ANY_EXHDR(data); + klen = VARSIZE_ANY_EXHDR(key); + ivlen = VARSIZE_ANY_EXHDR(iv); + + rlen = px_combo_encrypt_len(c, dlen); + res = palloc(VARHDRSZ + rlen); + + err = px_combo_init(c, (uint8 *) VARDATA_ANY(key), klen, + (uint8 *) VARDATA_ANY(iv), ivlen); + if (!err) + err = px_combo_encrypt(c, (uint8 *) VARDATA_ANY(data), dlen, + (uint8 *) VARDATA(res), &rlen); + + px_combo_free(c); + + if (err) + ereport(ERROR, + (errcode(ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION), + errmsg("encrypt_iv error: %s", px_strerror(err)))); + + SET_VARSIZE(res, VARHDRSZ + rlen); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + PG_FREE_IF_COPY(iv, 2); + PG_FREE_IF_COPY(type, 3); + + PG_RETURN_BYTEA_P(res); +} + +/* SQL function: pg_decrypt_iv(bytea, bytea, bytea, text) returns bytea */ +PG_FUNCTION_INFO_V1(pg_decrypt_iv); + +Datum +pg_decrypt_iv(PG_FUNCTION_ARGS) +{ + int err; + bytea *data, + *key, + *iv, + *res; + text *type; + PX_Combo *c; + unsigned dlen, + klen, + rlen, + ivlen; + + type = PG_GETARG_TEXT_PP(3); + c = find_provider(type, (PFN) px_find_combo, "Cipher", 0); + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + iv = PG_GETARG_BYTEA_PP(2); + dlen = VARSIZE_ANY_EXHDR(data); + klen = VARSIZE_ANY_EXHDR(key); + ivlen = VARSIZE_ANY_EXHDR(iv); + + rlen = px_combo_decrypt_len(c, dlen); + res = palloc(VARHDRSZ + rlen); + + err = px_combo_init(c, (uint8 *) VARDATA_ANY(key), klen, + (uint8 *) VARDATA_ANY(iv), ivlen); + if (!err) + err = px_combo_decrypt(c, (uint8 *) VARDATA_ANY(data), dlen, + (uint8 *) VARDATA(res), &rlen); + + px_combo_free(c); + + if (err) + ereport(ERROR, + (errcode(ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION), + errmsg("decrypt_iv error: %s", px_strerror(err)))); + + SET_VARSIZE(res, VARHDRSZ + rlen); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + PG_FREE_IF_COPY(iv, 2); + PG_FREE_IF_COPY(type, 3); + + PG_RETURN_BYTEA_P(res); +} + +/* SQL function: pg_random_bytes(int4) returns bytea */ +PG_FUNCTION_INFO_V1(pg_random_bytes); + +Datum +pg_random_bytes(PG_FUNCTION_ARGS) +{ + int len = PG_GETARG_INT32(0); + bytea *res; + + if (len < 1 || len > 1024) + ereport(ERROR, + (errcode(ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION), + errmsg("Length not in range"))); + + res = palloc(VARHDRSZ + len); + SET_VARSIZE(res, VARHDRSZ + len); + + /* generate result */ + if (!pg_strong_random(VARDATA(res), len)) + px_THROW_ERROR(PXE_NO_RANDOM); + + PG_RETURN_BYTEA_P(res); +} + +/* SQL function: gen_random_uuid() returns uuid */ +PG_FUNCTION_INFO_V1(pg_random_uuid); + +Datum +pg_random_uuid(PG_FUNCTION_ARGS) +{ + /* redirect to built-in function */ + return gen_random_uuid(fcinfo); +} + +static void * +find_provider(text *name, + PFN provider_lookup, + const char *desc, int silent) +{ + void *res; + char *buf; + int err; + + buf = downcase_truncate_identifier(VARDATA_ANY(name), + VARSIZE_ANY_EXHDR(name), + false); + + err = provider_lookup(buf, &res); + + if (err && !silent) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("Cannot use \"%s\": %s", buf, px_strerror(err)))); + + pfree(buf); + + return err ? NULL : res; +} diff --git a/contrib/pgcrypto/pgcrypto.control b/contrib/pgcrypto/pgcrypto.control new file mode 100644 index 0000000..d2151d3 --- /dev/null +++ b/contrib/pgcrypto/pgcrypto.control @@ -0,0 +1,6 @@ +# pgcrypto extension +comment = 'cryptographic functions' +default_version = '1.3' +module_pathname = '$libdir/pgcrypto' +relocatable = true +trusted = true diff --git a/contrib/pgcrypto/pgcrypto.h b/contrib/pgcrypto/pgcrypto.h new file mode 100644 index 0000000..65a1ed3 --- /dev/null +++ b/contrib/pgcrypto/pgcrypto.h @@ -0,0 +1,37 @@ +/* + * pgcrypto.h + * Header file for pgcrypto. + * + * Copyright (c) 2000 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgcrypto.h + */ + +#ifndef _PG_CRYPTO_H +#define _PG_CRYPTO_H + +#include "fmgr.h" + +#endif diff --git a/contrib/pgcrypto/pgp-armor.c b/contrib/pgcrypto/pgp-armor.c new file mode 100644 index 0000000..679779a --- /dev/null +++ b/contrib/pgcrypto/pgp-armor.c @@ -0,0 +1,488 @@ +/* + * pgp-armor.c + * PGP ascii-armor. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-armor.c + */ + +#include "postgres.h" + +#include "pgp.h" +#include "px.h" + +/* + * BASE64 - duplicated :( + */ + +static const unsigned char _base64[] = +"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + +static int +pg_base64_encode(const uint8 *src, unsigned len, uint8 *dst) +{ + uint8 *p, + *lend = dst + 76; + const uint8 *s, + *end = src + len; + int pos = 2; + unsigned long buf = 0; + + s = src; + p = dst; + + while (s < end) + { + buf |= *s << (pos << 3); + pos--; + s++; + + /* + * write it out + */ + if (pos < 0) + { + *p++ = _base64[(buf >> 18) & 0x3f]; + *p++ = _base64[(buf >> 12) & 0x3f]; + *p++ = _base64[(buf >> 6) & 0x3f]; + *p++ = _base64[buf & 0x3f]; + + pos = 2; + buf = 0; + } + if (p >= lend) + { + *p++ = '\n'; + lend = p + 76; + } + } + if (pos != 2) + { + *p++ = _base64[(buf >> 18) & 0x3f]; + *p++ = _base64[(buf >> 12) & 0x3f]; + *p++ = (pos == 0) ? _base64[(buf >> 6) & 0x3f] : '='; + *p++ = '='; + } + + return p - dst; +} + +/* probably should use lookup table */ +static int +pg_base64_decode(const uint8 *src, unsigned len, uint8 *dst) +{ + const uint8 *srcend = src + len, + *s = src; + uint8 *p = dst; + char c; + unsigned b = 0; + unsigned long buf = 0; + int pos = 0, + end = 0; + + while (s < srcend) + { + c = *s++; + if (c >= 'A' && c <= 'Z') + b = c - 'A'; + else if (c >= 'a' && c <= 'z') + b = c - 'a' + 26; + else if (c >= '0' && c <= '9') + b = c - '0' + 52; + else if (c == '+') + b = 62; + else if (c == '/') + b = 63; + else if (c == '=') + { + /* + * end sequence + */ + if (!end) + { + if (pos == 2) + end = 1; + else if (pos == 3) + end = 2; + else + return PXE_PGP_CORRUPT_ARMOR; + } + b = 0; + } + else if (c == ' ' || c == '\t' || c == '\n' || c == '\r') + continue; + else + return PXE_PGP_CORRUPT_ARMOR; + + /* + * add it to buffer + */ + buf = (buf << 6) + b; + pos++; + if (pos == 4) + { + *p++ = (buf >> 16) & 255; + if (end == 0 || end > 1) + *p++ = (buf >> 8) & 255; + if (end == 0 || end > 2) + *p++ = buf & 255; + buf = 0; + pos = 0; + } + } + + if (pos != 0) + return PXE_PGP_CORRUPT_ARMOR; + return p - dst; +} + +static unsigned +pg_base64_enc_len(unsigned srclen) +{ + /* + * 3 bytes will be converted to 4, linefeed after 76 chars + */ + return (srclen + 2) * 4 / 3 + srclen / (76 * 3 / 4); +} + +static unsigned +pg_base64_dec_len(unsigned srclen) +{ + return (srclen * 3) >> 2; +} + +/* + * PGP armor + */ + +static const char *armor_header = "-----BEGIN PGP MESSAGE-----\n"; +static const char *armor_footer = "\n-----END PGP MESSAGE-----\n"; + +/* CRC24 implementation from rfc2440 */ +#define CRC24_INIT 0x00b704ceL +#define CRC24_POLY 0x01864cfbL +static long +crc24(const uint8 *data, unsigned len) +{ + unsigned crc = CRC24_INIT; + int i; + + while (len--) + { + crc ^= (*data++) << 16; + for (i = 0; i < 8; i++) + { + crc <<= 1; + if (crc & 0x1000000) + crc ^= CRC24_POLY; + } + } + return crc & 0xffffffL; +} + +void +pgp_armor_encode(const uint8 *src, unsigned len, StringInfo dst, + int num_headers, char **keys, char **values) +{ + int n; + int res; + unsigned b64len; + unsigned crc = crc24(src, len); + + appendStringInfoString(dst, armor_header); + + for (n = 0; n < num_headers; n++) + appendStringInfo(dst, "%s: %s\n", keys[n], values[n]); + appendStringInfoChar(dst, '\n'); + + /* make sure we have enough room to pg_base64_encode() */ + b64len = pg_base64_enc_len(len); + enlargeStringInfo(dst, (int) b64len); + + res = pg_base64_encode(src, len, (uint8 *) dst->data + dst->len); + if (res > b64len) + elog(FATAL, "overflow - encode estimate too small"); + dst->len += res; + + if (*(dst->data + dst->len - 1) != '\n') + appendStringInfoChar(dst, '\n'); + + appendStringInfoChar(dst, '='); + appendStringInfoChar(dst, _base64[(crc >> 18) & 0x3f]); + appendStringInfoChar(dst, _base64[(crc >> 12) & 0x3f]); + appendStringInfoChar(dst, _base64[(crc >> 6) & 0x3f]); + appendStringInfoChar(dst, _base64[crc & 0x3f]); + + appendStringInfoString(dst, armor_footer); +} + +static const uint8 * +find_str(const uint8 *data, const uint8 *data_end, const char *str, int strlen) +{ + const uint8 *p = data; + + if (!strlen) + return NULL; + if (data_end - data < strlen) + return NULL; + while (p < data_end) + { + p = memchr(p, str[0], data_end - p); + if (p == NULL) + return NULL; + if (p + strlen > data_end) + return NULL; + if (memcmp(p, str, strlen) == 0) + return p; + p++; + } + return NULL; +} + +static int +find_header(const uint8 *data, const uint8 *datend, + const uint8 **start_p, int is_end) +{ + const uint8 *p = data; + static const char *start_sep = "-----BEGIN"; + static const char *end_sep = "-----END"; + const char *sep = is_end ? end_sep : start_sep; + + /* find header line */ + while (1) + { + p = find_str(p, datend, sep, strlen(sep)); + if (p == NULL) + return PXE_PGP_CORRUPT_ARMOR; + /* it must start at beginning of line */ + if (p == data || *(p - 1) == '\n') + break; + p += strlen(sep); + } + *start_p = p; + p += strlen(sep); + + /* check if header text ok */ + for (; p < datend && *p != '-'; p++) + { + /* various junk can be there, but definitely not line-feed */ + if (*p >= ' ') + continue; + return PXE_PGP_CORRUPT_ARMOR; + } + if (datend - p < 5 || memcmp(p, sep, 5) != 0) + return PXE_PGP_CORRUPT_ARMOR; + p += 5; + + /* check if at end of line */ + if (p < datend) + { + if (*p != '\n' && *p != '\r') + return PXE_PGP_CORRUPT_ARMOR; + if (*p == '\r') + p++; + if (p < datend && *p == '\n') + p++; + } + return p - *start_p; +} + +int +pgp_armor_decode(const uint8 *src, int len, StringInfo dst) +{ + const uint8 *p = src; + const uint8 *data_end = src + len; + long crc; + const uint8 *base64_start, + *armor_end; + const uint8 *base64_end = NULL; + uint8 buf[4]; + int hlen; + int blen; + int res = PXE_PGP_CORRUPT_ARMOR; + + /* armor start */ + hlen = find_header(src, data_end, &p, 0); + if (hlen <= 0) + goto out; + p += hlen; + + /* armor end */ + hlen = find_header(p, data_end, &armor_end, 1); + if (hlen <= 0) + goto out; + + /* skip comments - find empty line */ + while (p < armor_end && *p != '\n' && *p != '\r') + { + p = memchr(p, '\n', armor_end - p); + if (!p) + goto out; + + /* step to start of next line */ + p++; + } + base64_start = p; + + /* find crc pos */ + for (p = armor_end; p >= base64_start; p--) + if (*p == '=') + { + base64_end = p - 1; + break; + } + if (base64_end == NULL) + goto out; + + /* decode crc */ + if (pg_base64_decode(p + 1, 4, buf) != 3) + goto out; + crc = (((long) buf[0]) << 16) + (((long) buf[1]) << 8) + (long) buf[2]; + + /* decode data */ + blen = (int) pg_base64_dec_len(len); + enlargeStringInfo(dst, blen); + res = pg_base64_decode(base64_start, base64_end - base64_start, (uint8 *) dst->data); + if (res > blen) + elog(FATAL, "overflow - decode estimate too small"); + if (res >= 0) + { + if (crc24((uint8 *) dst->data, res) == crc) + dst->len += res; + else + res = PXE_PGP_CORRUPT_ARMOR; + } +out: + return res; +} + +/* + * Extracts all armor headers from an ASCII-armored input. + * + * Returns 0 on success, or PXE_* error code on error. On success, the + * number of headers and their keys and values are returned in *nheaders, + * *nkeys and *nvalues. + */ +int +pgp_extract_armor_headers(const uint8 *src, unsigned len, + int *nheaders, char ***keys, char ***values) +{ + const uint8 *data_end = src + len; + const uint8 *p; + const uint8 *base64_start; + const uint8 *armor_start; + const uint8 *armor_end; + Size armor_len; + char *line; + char *nextline; + char *eol, + *colon; + int hlen; + char *buf; + int hdrlines; + int n; + + /* armor start */ + hlen = find_header(src, data_end, &armor_start, 0); + if (hlen <= 0) + return PXE_PGP_CORRUPT_ARMOR; + armor_start += hlen; + + /* armor end */ + hlen = find_header(armor_start, data_end, &armor_end, 1); + if (hlen <= 0) + return PXE_PGP_CORRUPT_ARMOR; + + /* Count the number of armor header lines. */ + hdrlines = 0; + p = armor_start; + while (p < armor_end && *p != '\n' && *p != '\r') + { + p = memchr(p, '\n', armor_end - p); + if (!p) + return PXE_PGP_CORRUPT_ARMOR; + + /* step to start of next line */ + p++; + hdrlines++; + } + base64_start = p; + + /* + * Make a modifiable copy of the part of the input that contains the + * headers. The returned key/value pointers will point inside the buffer. + */ + armor_len = base64_start - armor_start; + buf = palloc(armor_len + 1); + memcpy(buf, armor_start, armor_len); + buf[armor_len] = '\0'; + + /* Allocate return arrays */ + *keys = (char **) palloc(hdrlines * sizeof(char *)); + *values = (char **) palloc(hdrlines * sizeof(char *)); + + /* + * Split the header lines at newlines and ": " separators, and collect + * pointers to the keys and values in the return arrays. + */ + n = 0; + line = buf; + for (;;) + { + /* find end of line */ + eol = strchr(line, '\n'); + if (!eol) + break; + nextline = eol + 1; + /* if the line ends in CR + LF, strip the CR */ + if (eol > line && *(eol - 1) == '\r') + eol--; + *eol = '\0'; + + /* find colon+space separating the key and value */ + colon = strstr(line, ": "); + if (!colon) + return PXE_PGP_CORRUPT_ARMOR; + *colon = '\0'; + + /* shouldn't happen, we counted the number of lines beforehand */ + if (n >= hdrlines) + elog(ERROR, "unexpected number of armor header lines"); + + (*keys)[n] = line; + (*values)[n] = colon + 2; + n++; + + /* step to start of next line */ + line = nextline; + } + + if (n != hdrlines) + elog(ERROR, "unexpected number of armor header lines"); + + *nheaders = n; + return 0; +} diff --git a/contrib/pgcrypto/pgp-cfb.c b/contrib/pgcrypto/pgp-cfb.c new file mode 100644 index 0000000..8ae7c86 --- /dev/null +++ b/contrib/pgcrypto/pgp-cfb.c @@ -0,0 +1,264 @@ +/* + * pgp-cfb.c + * Implements both normal and PGP-specific CFB mode. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-cfb.c + */ + +#include "postgres.h" + +#include "pgp.h" +#include "px.h" + +typedef int (*mix_data_t) (PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst); + +struct PGP_CFB +{ + PX_Cipher *ciph; + int block_size; + int pos; + int block_no; + int resync; + uint8 fr[PGP_MAX_BLOCK]; + uint8 fre[PGP_MAX_BLOCK]; + uint8 encbuf[PGP_MAX_BLOCK]; +}; + +int +pgp_cfb_create(PGP_CFB **ctx_p, int algo, const uint8 *key, int key_len, + int resync, uint8 *iv) +{ + int res; + PX_Cipher *ciph; + PGP_CFB *ctx; + + res = pgp_load_cipher(algo, &ciph); + if (res < 0) + return res; + + res = px_cipher_init(ciph, key, key_len, NULL); + if (res < 0) + { + px_cipher_free(ciph); + return res; + } + + ctx = px_alloc(sizeof(*ctx)); + memset(ctx, 0, sizeof(*ctx)); + ctx->ciph = ciph; + ctx->block_size = px_cipher_block_size(ciph); + ctx->resync = resync; + + if (iv) + memcpy(ctx->fr, iv, ctx->block_size); + + *ctx_p = ctx; + return 0; +} + +void +pgp_cfb_free(PGP_CFB *ctx) +{ + px_cipher_free(ctx->ciph); + px_memset(ctx, 0, sizeof(*ctx)); + px_free(ctx); +} + +/* + * Data processing for normal CFB. (PGP_PKT_SYMENCRYPTED_DATA_MDC) + */ +static int +mix_encrypt_normal(PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst) +{ + int i; + + for (i = ctx->pos; i < ctx->pos + len; i++) + *dst++ = ctx->encbuf[i] = ctx->fre[i] ^ (*data++); + ctx->pos += len; + return len; +} + +static int +mix_decrypt_normal(PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst) +{ + int i; + + for (i = ctx->pos; i < ctx->pos + len; i++) + { + ctx->encbuf[i] = *data++; + *dst++ = ctx->fre[i] ^ ctx->encbuf[i]; + } + ctx->pos += len; + return len; +} + +/* + * Data processing for old PGP CFB mode. (PGP_PKT_SYMENCRYPTED_DATA) + * + * The goal is to hide the horror from the rest of the code, + * thus its all concentrated here. + */ +static int +mix_encrypt_resync(PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst) +{ + int i, + n; + + /* block #2 is 2 bytes long */ + if (ctx->block_no == 2) + { + n = 2 - ctx->pos; + if (len < n) + n = len; + for (i = ctx->pos; i < ctx->pos + n; i++) + *dst++ = ctx->encbuf[i] = ctx->fre[i] ^ (*data++); + + ctx->pos += n; + len -= n; + + if (ctx->pos == 2) + { + memcpy(ctx->fr, ctx->encbuf + 2, ctx->block_size - 2); + memcpy(ctx->fr + ctx->block_size - 2, ctx->encbuf, 2); + ctx->pos = 0; + return n; + } + } + for (i = ctx->pos; i < ctx->pos + len; i++) + *dst++ = ctx->encbuf[i] = ctx->fre[i] ^ (*data++); + ctx->pos += len; + return len; +} + +static int +mix_decrypt_resync(PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst) +{ + int i, + n; + + /* block #2 is 2 bytes long */ + if (ctx->block_no == 2) + { + n = 2 - ctx->pos; + if (len < n) + n = len; + for (i = ctx->pos; i < ctx->pos + n; i++) + { + ctx->encbuf[i] = *data++; + *dst++ = ctx->fre[i] ^ ctx->encbuf[i]; + } + ctx->pos += n; + len -= n; + + if (ctx->pos == 2) + { + memcpy(ctx->fr, ctx->encbuf + 2, ctx->block_size - 2); + memcpy(ctx->fr + ctx->block_size - 2, ctx->encbuf, 2); + ctx->pos = 0; + return n; + } + } + for (i = ctx->pos; i < ctx->pos + len; i++) + { + ctx->encbuf[i] = *data++; + *dst++ = ctx->fre[i] ^ ctx->encbuf[i]; + } + ctx->pos += len; + return len; +} + +/* + * common code for both encrypt and decrypt. + */ +static int +cfb_process(PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst, + mix_data_t mix_data) +{ + int n; + int res; + + while (len > 0 && ctx->pos > 0) + { + n = ctx->block_size - ctx->pos; + if (len < n) + n = len; + + n = mix_data(ctx, data, n, dst); + data += n; + dst += n; + len -= n; + + if (ctx->pos == ctx->block_size) + { + memcpy(ctx->fr, ctx->encbuf, ctx->block_size); + ctx->pos = 0; + } + } + + while (len > 0) + { + px_cipher_encrypt(ctx->ciph, ctx->fr, ctx->block_size, ctx->fre); + if (ctx->block_no < 5) + ctx->block_no++; + + n = ctx->block_size; + if (len < n) + n = len; + + res = mix_data(ctx, data, n, dst); + data += res; + dst += res; + len -= res; + + if (ctx->pos == ctx->block_size) + { + memcpy(ctx->fr, ctx->encbuf, ctx->block_size); + ctx->pos = 0; + } + } + return 0; +} + +/* + * public interface + */ + +int +pgp_cfb_encrypt(PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst) +{ + mix_data_t mix = ctx->resync ? mix_encrypt_resync : mix_encrypt_normal; + + return cfb_process(ctx, data, len, dst, mix); +} + +int +pgp_cfb_decrypt(PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst) +{ + mix_data_t mix = ctx->resync ? mix_decrypt_resync : mix_decrypt_normal; + + return cfb_process(ctx, data, len, dst, mix); +} diff --git a/contrib/pgcrypto/pgp-compress.c b/contrib/pgcrypto/pgp-compress.c new file mode 100644 index 0000000..3636a66 --- /dev/null +++ b/contrib/pgcrypto/pgp-compress.c @@ -0,0 +1,348 @@ +/* + * pgp-compress.c + * ZIP and ZLIB compression via zlib. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-compress.c + */ + +#include "postgres.h" + +#include "pgp.h" +#include "px.h" + +/* + * Compressed pkt writer + */ + +#ifdef HAVE_LIBZ + +#include + +#define ZIP_OUT_BUF 8192 +#define ZIP_IN_BLOCK 8192 + +struct ZipStat +{ + uint8 type; + int buf_len; + int hdr_done; + z_stream stream; + uint8 buf[ZIP_OUT_BUF]; +}; + +static void * +z_alloc(void *priv, unsigned n_items, unsigned item_len) +{ + return px_alloc(n_items * item_len); +} + +static void +z_free(void *priv, void *addr) +{ + px_free(addr); +} + +static int +compress_init(PushFilter *next, void *init_arg, void **priv_p) +{ + int res; + struct ZipStat *st; + PGP_Context *ctx = init_arg; + uint8 type = ctx->compress_algo; + + if (type != PGP_COMPR_ZLIB && type != PGP_COMPR_ZIP) + return PXE_PGP_UNSUPPORTED_COMPR; + + /* + * init + */ + st = px_alloc(sizeof(*st)); + memset(st, 0, sizeof(*st)); + st->buf_len = ZIP_OUT_BUF; + st->stream.zalloc = z_alloc; + st->stream.zfree = z_free; + + if (type == PGP_COMPR_ZIP) + res = deflateInit2(&st->stream, ctx->compress_level, + Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY); + else + res = deflateInit(&st->stream, ctx->compress_level); + if (res != Z_OK) + { + px_free(st); + return PXE_PGP_COMPRESSION_ERROR; + } + *priv_p = st; + + return ZIP_IN_BLOCK; +} + +/* writes compressed data packet */ + +/* can handle zero-len incoming data, but shouldn't */ +static int +compress_process(PushFilter *next, void *priv, const uint8 *data, int len) +{ + int res, + n_out; + struct ZipStat *st = priv; + + /* + * process data + */ + st->stream.next_in = unconstify(uint8 *, data); + st->stream.avail_in = len; + while (st->stream.avail_in > 0) + { + st->stream.next_out = st->buf; + st->stream.avail_out = st->buf_len; + res = deflate(&st->stream, Z_NO_FLUSH); + if (res != Z_OK) + return PXE_PGP_COMPRESSION_ERROR; + + n_out = st->buf_len - st->stream.avail_out; + if (n_out > 0) + { + res = pushf_write(next, st->buf, n_out); + if (res < 0) + return res; + } + } + + return 0; +} + +static int +compress_flush(PushFilter *next, void *priv) +{ + int res, + zres, + n_out; + struct ZipStat *st = priv; + + st->stream.next_in = NULL; + st->stream.avail_in = 0; + while (1) + { + st->stream.next_out = st->buf; + st->stream.avail_out = st->buf_len; + zres = deflate(&st->stream, Z_FINISH); + if (zres != Z_STREAM_END && zres != Z_OK) + return PXE_PGP_COMPRESSION_ERROR; + + n_out = st->buf_len - st->stream.avail_out; + if (n_out > 0) + { + res = pushf_write(next, st->buf, n_out); + if (res < 0) + return res; + } + if (zres == Z_STREAM_END) + break; + } + return 0; +} + +static void +compress_free(void *priv) +{ + struct ZipStat *st = priv; + + deflateEnd(&st->stream); + px_memset(st, 0, sizeof(*st)); + px_free(st); +} + +static const PushFilterOps + compress_filter = { + compress_init, compress_process, compress_flush, compress_free +}; + +int +pgp_compress_filter(PushFilter **res, PGP_Context *ctx, PushFilter *dst) +{ + return pushf_create(res, &compress_filter, ctx, dst); +} + +/* + * Decompress + */ +struct DecomprData +{ + int buf_len; /* = ZIP_OUT_BUF */ + int buf_data; /* available data */ + uint8 *pos; + z_stream stream; + int eof; + uint8 buf[ZIP_OUT_BUF]; +}; + +static int +decompress_init(void **priv_p, void *arg, PullFilter *src) +{ + PGP_Context *ctx = arg; + struct DecomprData *dec; + int res; + + if (ctx->compress_algo != PGP_COMPR_ZLIB + && ctx->compress_algo != PGP_COMPR_ZIP) + return PXE_PGP_UNSUPPORTED_COMPR; + + dec = px_alloc(sizeof(*dec)); + memset(dec, 0, sizeof(*dec)); + dec->buf_len = ZIP_OUT_BUF; + *priv_p = dec; + + dec->stream.zalloc = z_alloc; + dec->stream.zfree = z_free; + + if (ctx->compress_algo == PGP_COMPR_ZIP) + res = inflateInit2(&dec->stream, -15); + else + res = inflateInit(&dec->stream); + if (res != Z_OK) + { + px_free(dec); + px_debug("decompress_init: inflateInit error"); + return PXE_PGP_COMPRESSION_ERROR; + } + + return 0; +} + +static int +decompress_read(void *priv, PullFilter *src, int len, + uint8 **data_p, uint8 *buf, int buflen) +{ + int res; + int flush; + struct DecomprData *dec = priv; + +restart: + if (dec->buf_data > 0) + { + if (len > dec->buf_data) + len = dec->buf_data; + *data_p = dec->pos; + dec->pos += len; + dec->buf_data -= len; + return len; + } + + if (dec->eof) + return 0; + + if (dec->stream.avail_in == 0) + { + uint8 *tmp; + + res = pullf_read(src, 8192, &tmp); + if (res < 0) + return res; + dec->stream.next_in = tmp; + dec->stream.avail_in = res; + } + + dec->stream.next_out = dec->buf; + dec->stream.avail_out = dec->buf_len; + dec->pos = dec->buf; + + /* + * Z_SYNC_FLUSH is tell zlib to output as much as possible. It should do + * it anyway (Z_NO_FLUSH), but seems to reserve the right not to. So lets + * follow the API. + */ + flush = dec->stream.avail_in ? Z_SYNC_FLUSH : Z_FINISH; + res = inflate(&dec->stream, flush); + if (res != Z_OK && res != Z_STREAM_END) + { + px_debug("decompress_read: inflate error: %d", res); + return PXE_PGP_CORRUPT_DATA; + } + + dec->buf_data = dec->buf_len - dec->stream.avail_out; + if (res == Z_STREAM_END) + { + uint8 *tmp; + + /* + * A stream must be terminated by a normal packet. If the last stream + * packet in the source stream is a full packet, a normal empty packet + * must follow. Since the underlying packet reader doesn't know that + * the compressed stream has been ended, we need to to consume the + * terminating packet here. This read does not harm even if the + * stream has already ended. + */ + res = pullf_read(src, 1, &tmp); + + if (res < 0) + return res; + else if (res > 0) + { + px_debug("decompress_read: extra bytes after end of stream"); + return PXE_PGP_CORRUPT_DATA; + } + dec->eof = 1; + } + goto restart; +} + +static void +decompress_free(void *priv) +{ + struct DecomprData *dec = priv; + + inflateEnd(&dec->stream); + px_memset(dec, 0, sizeof(*dec)); + px_free(dec); +} + +static const PullFilterOps + decompress_filter = { + decompress_init, decompress_read, decompress_free +}; + +int +pgp_decompress_filter(PullFilter **res, PGP_Context *ctx, PullFilter *src) +{ + return pullf_create(res, &decompress_filter, ctx, src); +} +#else /* !HAVE_LIBZ */ + +int +pgp_compress_filter(PushFilter **res, PGP_Context *ctx, PushFilter *dst) +{ + return PXE_PGP_UNSUPPORTED_COMPR; +} + +int +pgp_decompress_filter(PullFilter **res, PGP_Context *ctx, PullFilter *src) +{ + return PXE_PGP_UNSUPPORTED_COMPR; +} + +#endif diff --git a/contrib/pgcrypto/pgp-decrypt.c b/contrib/pgcrypto/pgp-decrypt.c new file mode 100644 index 0000000..3ecbf9c --- /dev/null +++ b/contrib/pgcrypto/pgp-decrypt.c @@ -0,0 +1,1213 @@ +/* + * pgp-decrypt.c + * OpenPGP decrypt. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-decrypt.c + */ + +#include "postgres.h" + +#include "mbuf.h" +#include "pgp.h" +#include "px.h" + +#define NO_CTX_SIZE 0 +#define ALLOW_CTX_SIZE 1 +#define NO_COMPR 0 +#define ALLOW_COMPR 1 +#define NO_MDC 0 +#define NEED_MDC 1 + +#define PKT_NORMAL 1 +#define PKT_STREAM 2 +#define PKT_CONTEXT 3 + +#define MAX_CHUNK (16*1024*1024) + +static int +parse_new_len(PullFilter *src, int *len_p) +{ + uint8 b; + int len; + int pkttype = PKT_NORMAL; + + GETBYTE(src, b); + if (b <= 191) + len = b; + else if (b >= 192 && b <= 223) + { + len = ((unsigned) (b) - 192) << 8; + GETBYTE(src, b); + len += 192 + b; + } + else if (b == 255) + { + GETBYTE(src, b); + len = b; + GETBYTE(src, b); + len = (len << 8) | b; + GETBYTE(src, b); + len = (len << 8) | b; + GETBYTE(src, b); + len = (len << 8) | b; + } + else + { + len = 1 << (b & 0x1F); + pkttype = PKT_STREAM; + } + + if (len < 0 || len > MAX_CHUNK) + { + px_debug("parse_new_len: weird length"); + return PXE_PGP_CORRUPT_DATA; + } + + *len_p = len; + return pkttype; +} + +static int +parse_old_len(PullFilter *src, int *len_p, int lentype) +{ + uint8 b; + int len; + + GETBYTE(src, b); + len = b; + + if (lentype == 1) + { + GETBYTE(src, b); + len = (len << 8) | b; + } + else if (lentype == 2) + { + GETBYTE(src, b); + len = (len << 8) | b; + GETBYTE(src, b); + len = (len << 8) | b; + GETBYTE(src, b); + len = (len << 8) | b; + } + + if (len < 0 || len > MAX_CHUNK) + { + px_debug("parse_old_len: weird length"); + return PXE_PGP_CORRUPT_DATA; + } + *len_p = len; + return PKT_NORMAL; +} + +/* returns pkttype or 0 on eof */ +int +pgp_parse_pkt_hdr(PullFilter *src, uint8 *tag, int *len_p, int allow_ctx) +{ + int lentype; + int res; + uint8 *p; + + /* EOF is normal here, thus we don't use GETBYTE */ + res = pullf_read(src, 1, &p); + if (res < 0) + return res; + if (res == 0) + return 0; + + if ((*p & 0x80) == 0) + { + px_debug("pgp_parse_pkt_hdr: not pkt hdr"); + return PXE_PGP_CORRUPT_DATA; + } + + if (*p & 0x40) + { + *tag = *p & 0x3f; + res = parse_new_len(src, len_p); + } + else + { + lentype = *p & 3; + *tag = (*p >> 2) & 0x0F; + if (lentype == 3) + res = allow_ctx ? PKT_CONTEXT : PXE_PGP_CORRUPT_DATA; + else + res = parse_old_len(src, len_p, lentype); + } + return res; +} + +/* + * Packet reader + */ +struct PktData +{ + int type; + int len; +}; + +static int +pktreader_pull(void *priv, PullFilter *src, int len, + uint8 **data_p, uint8 *buf, int buflen) +{ + int res; + struct PktData *pkt = priv; + + /* PKT_CONTEXT means: whatever there is */ + if (pkt->type == PKT_CONTEXT) + return pullf_read(src, len, data_p); + + while (pkt->len == 0) + { + /* this was last chunk in stream */ + if (pkt->type == PKT_NORMAL) + return 0; + + /* next chunk in stream */ + res = parse_new_len(src, &pkt->len); + if (res < 0) + return res; + pkt->type = res; + } + + if (len > pkt->len) + len = pkt->len; + + res = pullf_read(src, len, data_p); + if (res > 0) + pkt->len -= res; + + return res; +} + +static void +pktreader_free(void *priv) +{ + struct PktData *pkt = priv; + + px_memset(pkt, 0, sizeof(*pkt)); + px_free(pkt); +} + +static struct PullFilterOps pktreader_filter = { + NULL, pktreader_pull, pktreader_free +}; + +/* needs helper function to pass several parameters */ +int +pgp_create_pkt_reader(PullFilter **pf_p, PullFilter *src, int len, + int pkttype, PGP_Context *ctx) +{ + int res; + struct PktData *pkt = px_alloc(sizeof(*pkt)); + + pkt->type = pkttype; + pkt->len = len; + res = pullf_create(pf_p, &pktreader_filter, pkt, src); + if (res < 0) + px_free(pkt); + return res; +} + +/* + * Prefix check filter + * https://tools.ietf.org/html/rfc4880#section-5.7 + * https://tools.ietf.org/html/rfc4880#section-5.13 + */ + +static int +prefix_init(void **priv_p, void *arg, PullFilter *src) +{ + PGP_Context *ctx = arg; + int len; + int res; + uint8 *buf; + uint8 tmpbuf[PGP_MAX_BLOCK + 2]; + + len = pgp_get_cipher_block_size(ctx->cipher_algo); + if (len > sizeof(tmpbuf)) + return PXE_BUG; + + res = pullf_read_max(src, len + 2, &buf, tmpbuf); + if (res < 0) + return res; + if (res != len + 2) + { + px_debug("prefix_init: short read"); + px_memset(tmpbuf, 0, sizeof(tmpbuf)); + return PXE_PGP_CORRUPT_DATA; + } + + if (buf[len - 2] != buf[len] || buf[len - 1] != buf[len + 1]) + { + px_debug("prefix_init: corrupt prefix"); + /* report error in pgp_decrypt() */ + ctx->corrupt_prefix = 1; + } + px_memset(tmpbuf, 0, sizeof(tmpbuf)); + return 0; +} + +static struct PullFilterOps prefix_filter = { + prefix_init, NULL, NULL +}; + + +/* + * Decrypt filter + */ + +static int +decrypt_init(void **priv_p, void *arg, PullFilter *src) +{ + PGP_CFB *cfb = arg; + + *priv_p = cfb; + + /* we need to write somewhere, so ask for a buffer */ + return 4096; +} + +static int +decrypt_read(void *priv, PullFilter *src, int len, + uint8 **data_p, uint8 *buf, int buflen) +{ + PGP_CFB *cfb = priv; + uint8 *tmp; + int res; + + res = pullf_read(src, len, &tmp); + if (res > 0) + { + pgp_cfb_decrypt(cfb, tmp, res, buf); + *data_p = buf; + } + return res; +} + +struct PullFilterOps pgp_decrypt_filter = { + decrypt_init, decrypt_read, NULL +}; + + +/* + * MDC hasher filter + */ + +static int +mdc_init(void **priv_p, void *arg, PullFilter *src) +{ + PGP_Context *ctx = arg; + + *priv_p = ctx; + return pgp_load_digest(PGP_DIGEST_SHA1, &ctx->mdc_ctx); +} + +static void +mdc_free(void *priv) +{ + PGP_Context *ctx = priv; + + if (ctx->use_mdcbuf_filter) + return; + px_md_free(ctx->mdc_ctx); + ctx->mdc_ctx = NULL; +} + +static int +mdc_finish(PGP_Context *ctx, PullFilter *src, int len) +{ + int res; + uint8 hash[20]; + uint8 tmpbuf[20]; + uint8 *data; + + /* should not happen */ + if (ctx->use_mdcbuf_filter) + return PXE_BUG; + + /* It's SHA1 */ + if (len != 20) + return PXE_PGP_CORRUPT_DATA; + + /* mdc_read should not call px_md_update */ + ctx->in_mdc_pkt = 1; + + /* read data */ + res = pullf_read_max(src, len, &data, tmpbuf); + if (res < 0) + return res; + if (res == 0) + { + px_debug("no mdc"); + return PXE_PGP_CORRUPT_DATA; + } + + /* is the packet sane? */ + if (res != 20) + { + px_debug("mdc_finish: read failed, res=%d", res); + return PXE_PGP_CORRUPT_DATA; + } + + /* + * ok, we got the hash, now check + */ + px_md_finish(ctx->mdc_ctx, hash); + res = memcmp(hash, data, 20); + px_memset(hash, 0, 20); + px_memset(tmpbuf, 0, sizeof(tmpbuf)); + if (res != 0) + { + px_debug("mdc_finish: mdc failed"); + return PXE_PGP_CORRUPT_DATA; + } + ctx->mdc_checked = 1; + return 0; +} + +static int +mdc_read(void *priv, PullFilter *src, int len, + uint8 **data_p, uint8 *buf, int buflen) +{ + int res; + PGP_Context *ctx = priv; + + /* skip this filter? */ + if (ctx->use_mdcbuf_filter || ctx->in_mdc_pkt) + return pullf_read(src, len, data_p); + + res = pullf_read(src, len, data_p); + if (res < 0) + return res; + if (res == 0) + { + px_debug("mdc_read: unexpected eof"); + return PXE_PGP_CORRUPT_DATA; + } + px_md_update(ctx->mdc_ctx, *data_p, res); + + return res; +} + +static struct PullFilterOps mdc_filter = { + mdc_init, mdc_read, mdc_free +}; + + +/* + * Combined Pkt reader and MDC hasher. + * + * For the case of SYMENCRYPTED_DATA_MDC packet, where + * the data part has 'context length', which means + * that data packet ends 22 bytes before end of parent + * packet, which is silly. + */ +#define MDCBUF_LEN 8192 +struct MDCBufData +{ + PGP_Context *ctx; + int eof; + int buflen; + int avail; + uint8 *pos; + int mdc_avail; + uint8 mdc_buf[22]; + uint8 buf[MDCBUF_LEN]; +}; + +static int +mdcbuf_init(void **priv_p, void *arg, PullFilter *src) +{ + PGP_Context *ctx = arg; + struct MDCBufData *st; + + st = px_alloc(sizeof(*st)); + memset(st, 0, sizeof(*st)); + st->buflen = sizeof(st->buf); + st->ctx = ctx; + *priv_p = st; + + /* take over the work of mdc_filter */ + ctx->use_mdcbuf_filter = 1; + + return 0; +} + +static int +mdcbuf_finish(struct MDCBufData *st) +{ + uint8 hash[20]; + int res; + + st->eof = 1; + + if (st->mdc_buf[0] != 0xD3 || st->mdc_buf[1] != 0x14) + { + px_debug("mdcbuf_finish: bad MDC pkt hdr"); + return PXE_PGP_CORRUPT_DATA; + } + px_md_update(st->ctx->mdc_ctx, st->mdc_buf, 2); + px_md_finish(st->ctx->mdc_ctx, hash); + res = memcmp(hash, st->mdc_buf + 2, 20); + px_memset(hash, 0, 20); + if (res) + { + px_debug("mdcbuf_finish: MDC does not match"); + res = PXE_PGP_CORRUPT_DATA; + } + return res; +} + +static void +mdcbuf_load_data(struct MDCBufData *st, uint8 *src, int len) +{ + uint8 *dst = st->pos + st->avail; + + memcpy(dst, src, len); + px_md_update(st->ctx->mdc_ctx, src, len); + st->avail += len; +} + +static void +mdcbuf_load_mdc(struct MDCBufData *st, uint8 *src, int len) +{ + memmove(st->mdc_buf + st->mdc_avail, src, len); + st->mdc_avail += len; +} + +static int +mdcbuf_refill(struct MDCBufData *st, PullFilter *src) +{ + uint8 *data; + int res; + int need; + + /* put avail data in start */ + if (st->avail > 0 && st->pos != st->buf) + memmove(st->buf, st->pos, st->avail); + st->pos = st->buf; + + /* read new data */ + need = st->buflen + 22 - st->avail - st->mdc_avail; + res = pullf_read(src, need, &data); + if (res < 0) + return res; + if (res == 0) + return mdcbuf_finish(st); + + /* add to buffer */ + if (res >= 22) + { + mdcbuf_load_data(st, st->mdc_buf, st->mdc_avail); + st->mdc_avail = 0; + + mdcbuf_load_data(st, data, res - 22); + mdcbuf_load_mdc(st, data + res - 22, 22); + } + else + { + int canmove = st->mdc_avail + res - 22; + + if (canmove > 0) + { + mdcbuf_load_data(st, st->mdc_buf, canmove); + st->mdc_avail -= canmove; + memmove(st->mdc_buf, st->mdc_buf + canmove, st->mdc_avail); + } + mdcbuf_load_mdc(st, data, res); + } + return 0; +} + +static int +mdcbuf_read(void *priv, PullFilter *src, int len, + uint8 **data_p, uint8 *buf, int buflen) +{ + struct MDCBufData *st = priv; + int res; + + if (!st->eof && len > st->avail) + { + res = mdcbuf_refill(st, src); + if (res < 0) + return res; + } + + if (len > st->avail) + len = st->avail; + + *data_p = st->pos; + st->pos += len; + st->avail -= len; + return len; +} + +static void +mdcbuf_free(void *priv) +{ + struct MDCBufData *st = priv; + + px_md_free(st->ctx->mdc_ctx); + st->ctx->mdc_ctx = NULL; + px_memset(st, 0, sizeof(*st)); + px_free(st); +} + +static struct PullFilterOps mdcbuf_filter = { + mdcbuf_init, mdcbuf_read, mdcbuf_free +}; + + +/* + * Decrypt separate session key + */ +static int +decrypt_key(PGP_Context *ctx, const uint8 *src, int len) +{ + int res; + uint8 algo; + PGP_CFB *cfb; + + res = pgp_cfb_create(&cfb, ctx->s2k_cipher_algo, + ctx->s2k.key, ctx->s2k.key_len, 0, NULL); + if (res < 0) + return res; + + pgp_cfb_decrypt(cfb, src, 1, &algo); + src++; + len--; + + pgp_cfb_decrypt(cfb, src, len, ctx->sess_key); + pgp_cfb_free(cfb); + ctx->sess_key_len = len; + ctx->cipher_algo = algo; + + if (pgp_get_cipher_key_size(algo) != len) + { + px_debug("sesskey bad len: algo=%d, expected=%d, got=%d", + algo, pgp_get_cipher_key_size(algo), len); + return PXE_PGP_CORRUPT_DATA; + } + return 0; +} + +/* + * Handle key packet + */ +static int +parse_symenc_sesskey(PGP_Context *ctx, PullFilter *src) +{ + uint8 *p; + int res; + uint8 tmpbuf[PGP_MAX_KEY + 2]; + uint8 ver; + + GETBYTE(src, ver); + GETBYTE(src, ctx->s2k_cipher_algo); + if (ver != 4) + { + px_debug("bad key pkt ver"); + return PXE_PGP_CORRUPT_DATA; + } + + /* + * read S2K info + */ + res = pgp_s2k_read(src, &ctx->s2k); + if (res < 0) + return res; + ctx->s2k_mode = ctx->s2k.mode; + ctx->s2k_count = s2k_decode_count(ctx->s2k.iter); + ctx->s2k_digest_algo = ctx->s2k.digest_algo; + + /* + * generate key from password + */ + res = pgp_s2k_process(&ctx->s2k, ctx->s2k_cipher_algo, + ctx->sym_key, ctx->sym_key_len); + if (res < 0) + return res; + + /* + * do we have separate session key? + */ + res = pullf_read_max(src, PGP_MAX_KEY + 2, &p, tmpbuf); + if (res < 0) + return res; + + if (res == 0) + { + /* + * no, s2k key is session key + */ + memcpy(ctx->sess_key, ctx->s2k.key, ctx->s2k.key_len); + ctx->sess_key_len = ctx->s2k.key_len; + ctx->cipher_algo = ctx->s2k_cipher_algo; + res = 0; + ctx->use_sess_key = 0; + } + else + { + /* + * yes, decrypt it + */ + if (res < 17 || res > PGP_MAX_KEY + 1) + { + px_debug("expect key, but bad data"); + return PXE_PGP_CORRUPT_DATA; + } + ctx->use_sess_key = 1; + res = decrypt_key(ctx, p, res); + } + + px_memset(tmpbuf, 0, sizeof(tmpbuf)); + return res; +} + +static int +copy_crlf(MBuf *dst, uint8 *data, int len, int *got_cr) +{ + uint8 *data_end = data + len; + uint8 tmpbuf[1024]; + uint8 *tmp_end = tmpbuf + sizeof(tmpbuf); + uint8 *p; + int res; + + p = tmpbuf; + if (*got_cr) + { + if (*data != '\n') + *p++ = '\r'; + *got_cr = 0; + } + while (data < data_end) + { + if (*data == '\r') + { + if (data + 1 < data_end) + { + if (*(data + 1) == '\n') + data++; + } + else + { + *got_cr = 1; + break; + } + } + *p++ = *data++; + if (p >= tmp_end) + { + res = mbuf_append(dst, tmpbuf, p - tmpbuf); + if (res < 0) + return res; + p = tmpbuf; + } + } + if (p - tmpbuf > 0) + { + res = mbuf_append(dst, tmpbuf, p - tmpbuf); + if (res < 0) + return res; + } + px_memset(tmpbuf, 0, sizeof(tmpbuf)); + return 0; +} + +static int +parse_literal_data(PGP_Context *ctx, MBuf *dst, PullFilter *pkt) +{ + int type; + int name_len; + int res; + uint8 *buf; + uint8 tmpbuf[4]; + int got_cr = 0; + + GETBYTE(pkt, type); + GETBYTE(pkt, name_len); + + /* skip name */ + while (name_len > 0) + { + res = pullf_read(pkt, name_len, &buf); + if (res < 0) + return res; + if (res == 0) + break; + name_len -= res; + } + if (name_len > 0) + { + px_debug("parse_literal_data: unexpected eof"); + return PXE_PGP_CORRUPT_DATA; + } + + /* skip date */ + res = pullf_read_max(pkt, 4, &buf, tmpbuf); + if (res != 4) + { + px_debug("parse_literal_data: unexpected eof"); + return PXE_PGP_CORRUPT_DATA; + } + px_memset(tmpbuf, 0, 4); + + /* + * If called from an SQL function that returns text, pgp_decrypt() rejects + * inputs not self-identifying as text. + */ + if (ctx->text_mode) + if (type != 't' && type != 'u') + { + px_debug("parse_literal_data: data type=%c", type); + ctx->unexpected_binary = true; + } + + ctx->unicode_mode = (type == 'u') ? 1 : 0; + + /* read data */ + while (1) + { + res = pullf_read(pkt, 32 * 1024, &buf); + if (res <= 0) + break; + + if (ctx->text_mode && ctx->convert_crlf) + res = copy_crlf(dst, buf, res, &got_cr); + else + res = mbuf_append(dst, buf, res); + if (res < 0) + break; + } + if (res >= 0 && got_cr) + res = mbuf_append(dst, (const uint8 *) "\r", 1); + return res; +} + +/* process_data_packets and parse_compressed_data call each other */ +static int process_data_packets(PGP_Context *ctx, MBuf *dst, + PullFilter *src, int allow_compr, int need_mdc); + +static int +parse_compressed_data(PGP_Context *ctx, MBuf *dst, PullFilter *pkt) +{ + int res; + uint8 type; + PullFilter *pf_decompr; + uint8 *discard_buf; + + GETBYTE(pkt, type); + + ctx->compress_algo = type; + switch (type) + { + case PGP_COMPR_NONE: + res = process_data_packets(ctx, dst, pkt, NO_COMPR, NO_MDC); + break; + + case PGP_COMPR_ZIP: + case PGP_COMPR_ZLIB: + res = pgp_decompress_filter(&pf_decompr, ctx, pkt); + if (res >= 0) + { + res = process_data_packets(ctx, dst, pf_decompr, + NO_COMPR, NO_MDC); + pullf_free(pf_decompr); + } + break; + + case PGP_COMPR_BZIP2: + px_debug("parse_compressed_data: bzip2 unsupported"); + /* report error in pgp_decrypt() */ + ctx->unsupported_compr = 1; + + /* + * Discard the compressed data, allowing it to first affect any + * MDC digest computation. + */ + while (1) + { + res = pullf_read(pkt, 32 * 1024, &discard_buf); + if (res <= 0) + break; + } + + break; + + default: + px_debug("parse_compressed_data: unknown compr type"); + res = PXE_PGP_CORRUPT_DATA; + } + + return res; +} + +static int +process_data_packets(PGP_Context *ctx, MBuf *dst, PullFilter *src, + int allow_compr, int need_mdc) +{ + uint8 tag; + int len, + res; + int got_data = 0; + int got_mdc = 0; + PullFilter *pkt = NULL; + + while (1) + { + res = pgp_parse_pkt_hdr(src, &tag, &len, ALLOW_CTX_SIZE); + if (res <= 0) + break; + + + /* mdc packet should be last */ + if (got_mdc) + { + px_debug("process_data_packets: data after mdc"); + res = PXE_PGP_CORRUPT_DATA; + break; + } + + /* + * Context length inside SYMENCRYPTED_DATA_MDC packet needs special + * handling. + */ + if (need_mdc && res == PKT_CONTEXT) + res = pullf_create(&pkt, &mdcbuf_filter, ctx, src); + else + res = pgp_create_pkt_reader(&pkt, src, len, res, ctx); + if (res < 0) + break; + + switch (tag) + { + case PGP_PKT_LITERAL_DATA: + got_data = 1; + res = parse_literal_data(ctx, dst, pkt); + break; + case PGP_PKT_COMPRESSED_DATA: + if (allow_compr == 0) + { + px_debug("process_data_packets: unexpected compression"); + res = PXE_PGP_CORRUPT_DATA; + } + else if (got_data) + { + /* + * compr data must be alone + */ + px_debug("process_data_packets: only one cmpr pkt allowed"); + res = PXE_PGP_CORRUPT_DATA; + } + else + { + got_data = 1; + res = parse_compressed_data(ctx, dst, pkt); + } + break; + case PGP_PKT_MDC: + if (need_mdc == NO_MDC) + { + px_debug("process_data_packets: unexpected MDC"); + res = PXE_PGP_CORRUPT_DATA; + break; + } + + res = mdc_finish(ctx, pkt, len); + if (res >= 0) + got_mdc = 1; + break; + default: + px_debug("process_data_packets: unexpected pkt tag=%d", tag); + res = PXE_PGP_CORRUPT_DATA; + } + + pullf_free(pkt); + pkt = NULL; + + if (res < 0) + break; + } + + if (pkt) + pullf_free(pkt); + + if (res < 0) + return res; + + if (!got_data) + { + px_debug("process_data_packets: no data"); + res = PXE_PGP_CORRUPT_DATA; + } + if (need_mdc && !got_mdc && !ctx->use_mdcbuf_filter) + { + px_debug("process_data_packets: got no mdc"); + res = PXE_PGP_CORRUPT_DATA; + } + return res; +} + +static int +parse_symenc_data(PGP_Context *ctx, PullFilter *pkt, MBuf *dst) +{ + int res; + PGP_CFB *cfb = NULL; + PullFilter *pf_decrypt = NULL; + PullFilter *pf_prefix = NULL; + + res = pgp_cfb_create(&cfb, ctx->cipher_algo, + ctx->sess_key, ctx->sess_key_len, 1, NULL); + if (res < 0) + goto out; + + res = pullf_create(&pf_decrypt, &pgp_decrypt_filter, cfb, pkt); + if (res < 0) + goto out; + + res = pullf_create(&pf_prefix, &prefix_filter, ctx, pf_decrypt); + if (res < 0) + goto out; + + res = process_data_packets(ctx, dst, pf_prefix, ALLOW_COMPR, NO_MDC); + +out: + if (pf_prefix) + pullf_free(pf_prefix); + if (pf_decrypt) + pullf_free(pf_decrypt); + if (cfb) + pgp_cfb_free(cfb); + + return res; +} + +static int +parse_symenc_mdc_data(PGP_Context *ctx, PullFilter *pkt, MBuf *dst) +{ + int res; + PGP_CFB *cfb = NULL; + PullFilter *pf_decrypt = NULL; + PullFilter *pf_prefix = NULL; + PullFilter *pf_mdc = NULL; + uint8 ver; + + GETBYTE(pkt, ver); + if (ver != 1) + { + px_debug("parse_symenc_mdc_data: pkt ver != 1"); + return PXE_PGP_CORRUPT_DATA; + } + + res = pgp_cfb_create(&cfb, ctx->cipher_algo, + ctx->sess_key, ctx->sess_key_len, 0, NULL); + if (res < 0) + goto out; + + res = pullf_create(&pf_decrypt, &pgp_decrypt_filter, cfb, pkt); + if (res < 0) + goto out; + + res = pullf_create(&pf_mdc, &mdc_filter, ctx, pf_decrypt); + if (res < 0) + goto out; + + res = pullf_create(&pf_prefix, &prefix_filter, ctx, pf_mdc); + if (res < 0) + goto out; + + res = process_data_packets(ctx, dst, pf_prefix, ALLOW_COMPR, NEED_MDC); + +out: + if (pf_prefix) + pullf_free(pf_prefix); + if (pf_mdc) + pullf_free(pf_mdc); + if (pf_decrypt) + pullf_free(pf_decrypt); + if (cfb) + pgp_cfb_free(cfb); + + return res; +} + +/* + * skip over packet contents + */ +int +pgp_skip_packet(PullFilter *pkt) +{ + int res = 1; + uint8 *tmp; + + while (res > 0) + res = pullf_read(pkt, 32 * 1024, &tmp); + return res; +} + +/* + * expect to be at packet end, any data is error + */ +int +pgp_expect_packet_end(PullFilter *pkt) +{ + int res; + uint8 *tmp; + + res = pullf_read(pkt, 32 * 1024, &tmp); + if (res > 0) + { + px_debug("pgp_expect_packet_end: got data"); + return PXE_PGP_CORRUPT_DATA; + } + return res; +} + +int +pgp_decrypt(PGP_Context *ctx, MBuf *msrc, MBuf *mdst) +{ + int res; + PullFilter *src = NULL; + PullFilter *pkt = NULL; + uint8 tag; + int len; + int got_key = 0; + int got_data = 0; + + res = pullf_create_mbuf_reader(&src, msrc); + + while (res >= 0) + { + res = pgp_parse_pkt_hdr(src, &tag, &len, NO_CTX_SIZE); + if (res <= 0) + break; + + res = pgp_create_pkt_reader(&pkt, src, len, res, ctx); + if (res < 0) + break; + + res = PXE_PGP_CORRUPT_DATA; + switch (tag) + { + case PGP_PKT_MARKER: + res = pgp_skip_packet(pkt); + break; + case PGP_PKT_PUBENCRYPTED_SESSKEY: + /* fixme: skip those */ + res = pgp_parse_pubenc_sesskey(ctx, pkt); + got_key = 1; + break; + case PGP_PKT_SYMENCRYPTED_SESSKEY: + if (got_key) + + /* + * Theoretically, there could be several keys, both public + * and symmetric, all of which encrypt same session key. + * Decrypt should try with each one, before failing. + */ + px_debug("pgp_decrypt: using first of several keys"); + else + { + got_key = 1; + res = parse_symenc_sesskey(ctx, pkt); + } + break; + case PGP_PKT_SYMENCRYPTED_DATA: + if (!got_key) + px_debug("pgp_decrypt: have data but no key"); + else if (got_data) + px_debug("pgp_decrypt: got second data packet"); + else + { + got_data = 1; + ctx->disable_mdc = 1; + res = parse_symenc_data(ctx, pkt, mdst); + } + break; + case PGP_PKT_SYMENCRYPTED_DATA_MDC: + if (!got_key) + px_debug("pgp_decrypt: have data but no key"); + else if (got_data) + px_debug("pgp_decrypt: several data pkts not supported"); + else + { + got_data = 1; + ctx->disable_mdc = 0; + res = parse_symenc_mdc_data(ctx, pkt, mdst); + } + break; + default: + px_debug("pgp_decrypt: unknown tag: 0x%02x", tag); + } + pullf_free(pkt); + pkt = NULL; + } + + if (pkt) + pullf_free(pkt); + + if (src) + pullf_free(src); + + if (res < 0) + return res; + + /* + * Report a failure of the prefix_init() "quick check" now, rather than + * upon detection, to hinder timing attacks. pgcrypto is not generally + * secure against timing attacks, but this helps. + */ + if (!got_data || ctx->corrupt_prefix) + return PXE_PGP_CORRUPT_DATA; + + /* + * Code interpreting purportedly-decrypted data prior to this stage shall + * report no error other than PXE_PGP_CORRUPT_DATA. (PXE_BUG is okay so + * long as it remains unreachable.) This ensures that an attacker able to + * choose a ciphertext and receive a corresponding decryption error + * message cannot use that oracle to gather clues about the decryption + * key. See "An Attack on CFB Mode Encryption As Used By OpenPGP" by + * Serge Mister and Robert Zuccherato. + * + * A problematic value in the first octet of a Literal Data or Compressed + * Data packet may indicate a simple user error, such as the need to call + * pgp_sym_decrypt_bytea instead of pgp_sym_decrypt. Occasionally, + * though, it is the first symptom of the encryption key not matching the + * decryption key. When this was the only problem encountered, report a + * specific error to guide the user; otherwise, we will have reported + * PXE_PGP_CORRUPT_DATA before now. A key mismatch makes the other errors + * into red herrings, and this avoids leaking clues to attackers. + */ + if (ctx->unsupported_compr) + return PXE_PGP_UNSUPPORTED_COMPR; + if (ctx->unexpected_binary) + return PXE_PGP_NOT_TEXT; + + return res; +} diff --git a/contrib/pgcrypto/pgp-encrypt.c b/contrib/pgcrypto/pgp-encrypt.c new file mode 100644 index 0000000..4651894 --- /dev/null +++ b/contrib/pgcrypto/pgp-encrypt.c @@ -0,0 +1,705 @@ +/* + * pgp-encrypt.c + * OpenPGP encrypt. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-encrypt.c + */ + +#include "postgres.h" + +#include + +#include "mbuf.h" +#include "pgp.h" +#include "px.h" + +#define MDC_DIGEST_LEN 20 +#define STREAM_ID 0xE0 +#define STREAM_BLOCK_SHIFT 14 + +static uint8 * +render_newlen(uint8 *h, int len) +{ + if (len <= 191) + { + *h++ = len & 255; + } + else if (len > 191 && len <= 8383) + { + *h++ = ((len - 192) >> 8) + 192; + *h++ = (len - 192) & 255; + } + else + { + *h++ = 255; + *h++ = (len >> 24) & 255; + *h++ = (len >> 16) & 255; + *h++ = (len >> 8) & 255; + *h++ = len & 255; + } + return h; +} + +static int +write_tag_only(PushFilter *dst, int tag) +{ + uint8 hdr = 0xC0 | tag; + + return pushf_write(dst, &hdr, 1); +} + +static int +write_normal_header(PushFilter *dst, int tag, int len) +{ + uint8 hdr[8]; + uint8 *h = hdr; + + *h++ = 0xC0 | tag; + h = render_newlen(h, len); + return pushf_write(dst, hdr, h - hdr); +} + + +/* + * MAC writer + */ + +static int +mdc_init(PushFilter *dst, void *init_arg, void **priv_p) +{ + int res; + PX_MD *md; + + res = pgp_load_digest(PGP_DIGEST_SHA1, &md); + if (res < 0) + return res; + + *priv_p = md; + return 0; +} + +static int +mdc_write(PushFilter *dst, void *priv, const uint8 *data, int len) +{ + PX_MD *md = priv; + + px_md_update(md, data, len); + return pushf_write(dst, data, len); +} + +static int +mdc_flush(PushFilter *dst, void *priv) +{ + int res; + uint8 pkt[2 + MDC_DIGEST_LEN]; + PX_MD *md = priv; + + /* + * create mdc pkt + */ + pkt[0] = 0xD3; + pkt[1] = 0x14; /* MDC_DIGEST_LEN */ + px_md_update(md, pkt, 2); + px_md_finish(md, pkt + 2); + + res = pushf_write(dst, pkt, 2 + MDC_DIGEST_LEN); + px_memset(pkt, 0, 2 + MDC_DIGEST_LEN); + return res; +} + +static void +mdc_free(void *priv) +{ + PX_MD *md = priv; + + px_md_free(md); +} + +static const PushFilterOps mdc_filter = { + mdc_init, mdc_write, mdc_flush, mdc_free +}; + + +/* + * Encrypted pkt writer + */ +#define ENCBUF 8192 +struct EncStat +{ + PGP_CFB *ciph; + uint8 buf[ENCBUF]; +}; + +static int +encrypt_init(PushFilter *next, void *init_arg, void **priv_p) +{ + struct EncStat *st; + PGP_Context *ctx = init_arg; + PGP_CFB *ciph; + int resync = 1; + int res; + + /* should we use newer packet format? */ + if (ctx->disable_mdc == 0) + { + uint8 ver = 1; + + resync = 0; + res = pushf_write(next, &ver, 1); + if (res < 0) + return res; + } + res = pgp_cfb_create(&ciph, ctx->cipher_algo, + ctx->sess_key, ctx->sess_key_len, resync, NULL); + if (res < 0) + return res; + + st = px_alloc(sizeof(*st)); + memset(st, 0, sizeof(*st)); + st->ciph = ciph; + + *priv_p = st; + return ENCBUF; +} + +static int +encrypt_process(PushFilter *next, void *priv, const uint8 *data, int len) +{ + int res; + struct EncStat *st = priv; + int avail = len; + + while (avail > 0) + { + int tmplen = avail > ENCBUF ? ENCBUF : avail; + + res = pgp_cfb_encrypt(st->ciph, data, tmplen, st->buf); + if (res < 0) + return res; + + res = pushf_write(next, st->buf, tmplen); + if (res < 0) + return res; + + data += tmplen; + avail -= tmplen; + } + return 0; +} + +static void +encrypt_free(void *priv) +{ + struct EncStat *st = priv; + + if (st->ciph) + pgp_cfb_free(st->ciph); + px_memset(st, 0, sizeof(*st)); + px_free(st); +} + +static const PushFilterOps encrypt_filter = { + encrypt_init, encrypt_process, NULL, encrypt_free +}; + +/* + * Write Streamable pkts + */ + +struct PktStreamStat +{ + int final_done; + int pkt_block; +}; + +static int +pkt_stream_init(PushFilter *next, void *init_arg, void **priv_p) +{ + struct PktStreamStat *st; + + st = px_alloc(sizeof(*st)); + st->final_done = 0; + st->pkt_block = 1 << STREAM_BLOCK_SHIFT; + *priv_p = st; + + return st->pkt_block; +} + +static int +pkt_stream_process(PushFilter *next, void *priv, const uint8 *data, int len) +{ + int res; + uint8 hdr[8]; + uint8 *h = hdr; + struct PktStreamStat *st = priv; + + if (st->final_done) + return PXE_BUG; + + if (len == st->pkt_block) + *h++ = STREAM_ID | STREAM_BLOCK_SHIFT; + else + { + h = render_newlen(h, len); + st->final_done = 1; + } + + res = pushf_write(next, hdr, h - hdr); + if (res < 0) + return res; + + return pushf_write(next, data, len); +} + +static int +pkt_stream_flush(PushFilter *next, void *priv) +{ + int res; + uint8 hdr[8]; + uint8 *h = hdr; + struct PktStreamStat *st = priv; + + /* stream MUST end with normal packet. */ + if (!st->final_done) + { + h = render_newlen(h, 0); + res = pushf_write(next, hdr, h - hdr); + if (res < 0) + return res; + st->final_done = 1; + } + return 0; +} + +static void +pkt_stream_free(void *priv) +{ + struct PktStreamStat *st = priv; + + px_memset(st, 0, sizeof(*st)); + px_free(st); +} + +static const PushFilterOps pkt_stream_filter = { + pkt_stream_init, pkt_stream_process, pkt_stream_flush, pkt_stream_free +}; + +int +pgp_create_pkt_writer(PushFilter *dst, int tag, PushFilter **res_p) +{ + int res; + + res = write_tag_only(dst, tag); + if (res < 0) + return res; + + return pushf_create(res_p, &pkt_stream_filter, NULL, dst); +} + +/* + * Text conversion filter + */ + +static int +crlf_process(PushFilter *dst, void *priv, const uint8 *data, int len) +{ + const uint8 *data_end = data + len; + const uint8 *p2, + *p1 = data; + int line_len; + static const uint8 crlf[] = {'\r', '\n'}; + int res = 0; + + while (p1 < data_end) + { + p2 = memchr(p1, '\n', data_end - p1); + if (p2 == NULL) + p2 = data_end; + + line_len = p2 - p1; + + /* write data */ + res = 0; + if (line_len > 0) + { + res = pushf_write(dst, p1, line_len); + if (res < 0) + break; + p1 += line_len; + } + + /* write crlf */ + while (p1 < data_end && *p1 == '\n') + { + res = pushf_write(dst, crlf, 2); + if (res < 0) + break; + p1++; + } + } + return res; +} + +static const PushFilterOps crlf_filter = { + NULL, crlf_process, NULL, NULL +}; + +/* + * Initialize literal data packet + */ +static int +init_litdata_packet(PushFilter **pf_res, PGP_Context *ctx, PushFilter *dst) +{ + int res; + int hdrlen; + uint8 hdr[6]; + uint32 t; + PushFilter *pkt; + int type; + + /* + * Create header + */ + + if (ctx->text_mode) + type = ctx->unicode_mode ? 'u' : 't'; + else + type = 'b'; + + /* + * Store the creation time into packet. The goal is to have as few known + * bytes as possible. + */ + t = (uint32) time(NULL); + + hdr[0] = type; + hdr[1] = 0; + hdr[2] = (t >> 24) & 255; + hdr[3] = (t >> 16) & 255; + hdr[4] = (t >> 8) & 255; + hdr[5] = t & 255; + hdrlen = 6; + + res = write_tag_only(dst, PGP_PKT_LITERAL_DATA); + if (res < 0) + return res; + + res = pushf_create(&pkt, &pkt_stream_filter, ctx, dst); + if (res < 0) + return res; + + res = pushf_write(pkt, hdr, hdrlen); + if (res < 0) + { + pushf_free(pkt); + return res; + } + + *pf_res = pkt; + return 0; +} + +/* + * Initialize compression filter + */ +static int +init_compress(PushFilter **pf_res, PGP_Context *ctx, PushFilter *dst) +{ + int res; + uint8 type = ctx->compress_algo; + PushFilter *pkt; + + res = write_tag_only(dst, PGP_PKT_COMPRESSED_DATA); + if (res < 0) + return res; + + res = pushf_create(&pkt, &pkt_stream_filter, ctx, dst); + if (res < 0) + return res; + + res = pushf_write(pkt, &type, 1); + if (res >= 0) + res = pgp_compress_filter(pf_res, ctx, pkt); + + if (res < 0) + pushf_free(pkt); + + return res; +} + +/* + * Initialize encdata packet + */ +static int +init_encdata_packet(PushFilter **pf_res, PGP_Context *ctx, PushFilter *dst) +{ + int res; + int tag; + + if (ctx->disable_mdc) + tag = PGP_PKT_SYMENCRYPTED_DATA; + else + tag = PGP_PKT_SYMENCRYPTED_DATA_MDC; + + res = write_tag_only(dst, tag); + if (res < 0) + return res; + + return pushf_create(pf_res, &pkt_stream_filter, ctx, dst); +} + +/* + * write prefix + */ +static int +write_prefix(PGP_Context *ctx, PushFilter *dst) +{ + uint8 prefix[PGP_MAX_BLOCK + 2]; + int res, + bs; + + bs = pgp_get_cipher_block_size(ctx->cipher_algo); + if (!pg_strong_random(prefix, bs)) + return PXE_NO_RANDOM; + + prefix[bs + 0] = prefix[bs - 2]; + prefix[bs + 1] = prefix[bs - 1]; + + res = pushf_write(dst, prefix, bs + 2); + px_memset(prefix, 0, bs + 2); + return res < 0 ? res : 0; +} + +/* + * write symmetrically encrypted session key packet + */ + +static int +symencrypt_sesskey(PGP_Context *ctx, uint8 *dst) +{ + int res; + PGP_CFB *cfb; + uint8 algo = ctx->cipher_algo; + + res = pgp_cfb_create(&cfb, ctx->s2k_cipher_algo, + ctx->s2k.key, ctx->s2k.key_len, 0, NULL); + if (res < 0) + return res; + + pgp_cfb_encrypt(cfb, &algo, 1, dst); + pgp_cfb_encrypt(cfb, ctx->sess_key, ctx->sess_key_len, dst + 1); + + pgp_cfb_free(cfb); + return ctx->sess_key_len + 1; +} + +/* 5.3: Symmetric-Key Encrypted Session-Key */ +static int +write_symenc_sesskey(PGP_Context *ctx, PushFilter *dst) +{ + uint8 pkt[256]; + int pktlen; + int res; + uint8 *p = pkt; + + *p++ = 4; /* 5.3 - version number */ + *p++ = ctx->s2k_cipher_algo; + + *p++ = ctx->s2k.mode; + *p++ = ctx->s2k.digest_algo; + if (ctx->s2k.mode > 0) + { + memcpy(p, ctx->s2k.salt, 8); + p += 8; + } + if (ctx->s2k.mode == 3) + *p++ = ctx->s2k.iter; + + if (ctx->use_sess_key) + { + res = symencrypt_sesskey(ctx, p); + if (res < 0) + return res; + p += res; + } + + pktlen = p - pkt; + res = write_normal_header(dst, PGP_PKT_SYMENCRYPTED_SESSKEY, pktlen); + if (res >= 0) + res = pushf_write(dst, pkt, pktlen); + + px_memset(pkt, 0, pktlen); + return res; +} + +/* + * key setup + */ +static int +init_s2k_key(PGP_Context *ctx) +{ + int res; + + if (ctx->s2k_cipher_algo < 0) + ctx->s2k_cipher_algo = ctx->cipher_algo; + + res = pgp_s2k_fill(&ctx->s2k, ctx->s2k_mode, ctx->s2k_digest_algo, ctx->s2k_count); + if (res < 0) + return res; + + return pgp_s2k_process(&ctx->s2k, ctx->s2k_cipher_algo, + ctx->sym_key, ctx->sym_key_len); +} + +static int +init_sess_key(PGP_Context *ctx) +{ + if (ctx->use_sess_key || ctx->pub_key) + { + ctx->sess_key_len = pgp_get_cipher_key_size(ctx->cipher_algo); + if (!pg_strong_random(ctx->sess_key, ctx->sess_key_len)) + return PXE_NO_RANDOM; + } + else + { + ctx->sess_key_len = ctx->s2k.key_len; + memcpy(ctx->sess_key, ctx->s2k.key, ctx->s2k.key_len); + } + + return 0; +} + +/* + * combine + */ +int +pgp_encrypt(PGP_Context *ctx, MBuf *src, MBuf *dst) +{ + int res; + int len; + uint8 *buf; + PushFilter *pf, + *pf_tmp; + + /* + * do we have any key + */ + if (!ctx->sym_key && !ctx->pub_key) + return PXE_ARGUMENT_ERROR; + + /* MBuf writer */ + res = pushf_create_mbuf_writer(&pf, dst); + if (res < 0) + goto out; + + /* + * initialize sym_key + */ + if (ctx->sym_key) + { + res = init_s2k_key(ctx); + if (res < 0) + goto out; + } + + res = init_sess_key(ctx); + if (res < 0) + goto out; + + /* + * write keypkt + */ + if (ctx->pub_key) + res = pgp_write_pubenc_sesskey(ctx, pf); + else + res = write_symenc_sesskey(ctx, pf); + if (res < 0) + goto out; + + /* encrypted data pkt */ + res = init_encdata_packet(&pf_tmp, ctx, pf); + if (res < 0) + goto out; + pf = pf_tmp; + + /* encrypter */ + res = pushf_create(&pf_tmp, &encrypt_filter, ctx, pf); + if (res < 0) + goto out; + pf = pf_tmp; + + /* hasher */ + if (ctx->disable_mdc == 0) + { + res = pushf_create(&pf_tmp, &mdc_filter, ctx, pf); + if (res < 0) + goto out; + pf = pf_tmp; + } + + /* prefix */ + res = write_prefix(ctx, pf); + if (res < 0) + goto out; + + /* compressor */ + if (ctx->compress_algo > 0 && ctx->compress_level > 0) + { + res = init_compress(&pf_tmp, ctx, pf); + if (res < 0) + goto out; + pf = pf_tmp; + } + + /* data streamer */ + res = init_litdata_packet(&pf_tmp, ctx, pf); + if (res < 0) + goto out; + pf = pf_tmp; + + + /* text conversion? */ + if (ctx->text_mode && ctx->convert_crlf) + { + res = pushf_create(&pf_tmp, &crlf_filter, ctx, pf); + if (res < 0) + goto out; + pf = pf_tmp; + } + + /* + * chain complete + */ + + len = mbuf_grab(src, mbuf_avail(src), &buf); + res = pushf_write(pf, buf, len); + if (res >= 0) + res = pushf_flush(pf); +out: + pushf_free_all(pf); + return res; +} diff --git a/contrib/pgcrypto/pgp-info.c b/contrib/pgcrypto/pgp-info.c new file mode 100644 index 0000000..83dc604 --- /dev/null +++ b/contrib/pgcrypto/pgp-info.c @@ -0,0 +1,235 @@ +/* + * pgp-info.c + * Provide info about PGP data. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-info.c + */ +#include "postgres.h" + +#include "mbuf.h" +#include "pgp.h" +#include "px.h" + +static int +read_pubkey_keyid(PullFilter *pkt, uint8 *keyid_buf) +{ + int res; + PGP_PubKey *pk = NULL; + + res = _pgp_read_public_key(pkt, &pk); + if (res < 0) + goto err; + + /* skip secret key part, if it exists */ + res = pgp_skip_packet(pkt); + if (res < 0) + goto err; + + /* is it encryption key */ + switch (pk->algo) + { + case PGP_PUB_ELG_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + memcpy(keyid_buf, pk->key_id, 8); + res = 1; + break; + default: + res = 0; + } + +err: + pgp_key_free(pk); + return res; +} + +static int +read_pubenc_keyid(PullFilter *pkt, uint8 *keyid_buf) +{ + uint8 ver; + int res; + + GETBYTE(pkt, ver); + if (ver != 3) + return -1; + + res = pullf_read_fixed(pkt, 8, keyid_buf); + if (res < 0) + return res; + + return pgp_skip_packet(pkt); +} + +static const char hextbl[] = "0123456789ABCDEF"; + +static int +print_key(uint8 *keyid, char *dst) +{ + int i; + unsigned c; + + for (i = 0; i < 8; i++) + { + c = keyid[i]; + *dst++ = hextbl[(c >> 4) & 0x0F]; + *dst++ = hextbl[c & 0x0F]; + } + *dst = 0; + return 8 * 2; +} + +static const uint8 any_key[] = +{0, 0, 0, 0, 0, 0, 0, 0}; + +/* + * dst should have room for 17 bytes + */ +int +pgp_get_keyid(MBuf *pgp_data, char *dst) +{ + int res; + PullFilter *src; + PullFilter *pkt = NULL; + int len; + uint8 tag; + int got_pub_key = 0, + got_symenc_key = 0, + got_pubenc_key = 0; + int got_data = 0; + uint8 keyid_buf[8]; + int got_main_key = 0; + + + res = pullf_create_mbuf_reader(&src, pgp_data); + if (res < 0) + return res; + + while (1) + { + res = pgp_parse_pkt_hdr(src, &tag, &len, 0); + if (res <= 0) + break; + res = pgp_create_pkt_reader(&pkt, src, len, res, NULL); + if (res < 0) + break; + + switch (tag) + { + case PGP_PKT_SECRET_KEY: + case PGP_PKT_PUBLIC_KEY: + /* main key is for signing, so ignore it */ + if (!got_main_key) + { + got_main_key = 1; + res = pgp_skip_packet(pkt); + } + else + res = PXE_PGP_MULTIPLE_KEYS; + break; + case PGP_PKT_SECRET_SUBKEY: + case PGP_PKT_PUBLIC_SUBKEY: + res = read_pubkey_keyid(pkt, keyid_buf); + if (res < 0) + break; + if (res > 0) + got_pub_key++; + break; + case PGP_PKT_PUBENCRYPTED_SESSKEY: + got_pubenc_key++; + res = read_pubenc_keyid(pkt, keyid_buf); + break; + case PGP_PKT_SYMENCRYPTED_DATA: + case PGP_PKT_SYMENCRYPTED_DATA_MDC: + /* don't skip it, just stop */ + got_data = 1; + break; + case PGP_PKT_SYMENCRYPTED_SESSKEY: + got_symenc_key++; + /* fall through */ + case PGP_PKT_SIGNATURE: + case PGP_PKT_MARKER: + case PGP_PKT_TRUST: + case PGP_PKT_USER_ID: + case PGP_PKT_USER_ATTR: + case PGP_PKT_PRIV_61: + res = pgp_skip_packet(pkt); + break; + default: + res = PXE_PGP_CORRUPT_DATA; + } + + if (pkt) + pullf_free(pkt); + pkt = NULL; + + if (res < 0 || got_data) + break; + } + + pullf_free(src); + if (pkt) + pullf_free(pkt); + + if (res < 0) + return res; + + /* now check sanity */ + if (got_pub_key && got_pubenc_key) + res = PXE_PGP_CORRUPT_DATA; + + if (got_pub_key > 1) + res = PXE_PGP_MULTIPLE_KEYS; + + if (got_pubenc_key > 1) + res = PXE_PGP_MULTIPLE_KEYS; + + /* + * if still ok, look what we got + */ + if (res >= 0) + { + if (got_pubenc_key || got_pub_key) + { + if (memcmp(keyid_buf, any_key, 8) == 0) + { + memcpy(dst, "ANYKEY", 7); + res = 6; + } + else + res = print_key(keyid_buf, dst); + } + else if (got_symenc_key) + { + memcpy(dst, "SYMKEY", 7); + res = 6; + } + else + res = PXE_PGP_NO_USABLE_KEY; + } + + return res; +} diff --git a/contrib/pgcrypto/pgp-mpi-internal.c b/contrib/pgcrypto/pgp-mpi-internal.c new file mode 100644 index 0000000..0cea514 --- /dev/null +++ b/contrib/pgcrypto/pgp-mpi-internal.c @@ -0,0 +1,304 @@ +/* + * pgp-mpi-internal.c + * OpenPGP MPI functions. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-mpi-internal.c + */ +#include "postgres.h" + +#include "imath.h" +#include "pgp.h" +#include "px.h" + +static mpz_t * +mp_new(void) +{ + mpz_t *mp = mp_int_alloc(); + + mp_int_init_size(mp, 256); + return mp; +} + +static void +mp_clear_free(mpz_t *a) +{ + if (!a) + return; + /* fixme: no clear? */ + mp_int_free(a); +} + + +static int +mp_px_rand(uint32 bits, mpz_t *res) +{ + unsigned bytes = (bits + 7) / 8; + int last_bits = bits & 7; + uint8 *buf; + + buf = px_alloc(bytes); + if (!pg_strong_random(buf, bytes)) + { + px_free(buf); + return PXE_NO_RANDOM; + } + + /* clear unnecessary bits and set last bit to one */ + if (last_bits) + { + buf[0] >>= 8 - last_bits; + buf[0] |= 1 << (last_bits - 1); + } + else + buf[0] |= 1 << 7; + + mp_int_read_unsigned(res, buf, bytes); + + px_free(buf); + + return 0; +} + +static void +mp_modmul(mpz_t *a, mpz_t *b, mpz_t *p, mpz_t *res) +{ + mpz_t *tmp = mp_new(); + + mp_int_mul(a, b, tmp); + mp_int_mod(tmp, p, res); + mp_clear_free(tmp); +} + +static mpz_t * +mpi_to_bn(PGP_MPI *n) +{ + mpz_t *bn = mp_new(); + + mp_int_read_unsigned(bn, n->data, n->bytes); + + if (!bn) + return NULL; + if (mp_int_count_bits(bn) != n->bits) + { + px_debug("mpi_to_bn: bignum conversion failed: mpi=%d, bn=%d", + n->bits, mp_int_count_bits(bn)); + mp_clear_free(bn); + return NULL; + } + return bn; +} + +static PGP_MPI * +bn_to_mpi(mpz_t *bn) +{ + int res; + PGP_MPI *n; + int bytes; + + res = pgp_mpi_alloc(mp_int_count_bits(bn), &n); + if (res < 0) + return NULL; + + bytes = (mp_int_count_bits(bn) + 7) / 8; + if (bytes != n->bytes) + { + px_debug("bn_to_mpi: bignum conversion failed: bn=%d, mpi=%d", + bytes, n->bytes); + pgp_mpi_free(n); + return NULL; + } + mp_int_to_unsigned(bn, n->data, n->bytes); + return n; +} + +/* + * Decide the number of bits in the random component k + * + * It should be in the same range as p for signing (which + * is deprecated), but can be much smaller for encrypting. + * + * Until I research it further, I just mimic gpg behaviour. + * It has a special mapping table, for values <= 5120, + * above that it uses 'arbitrary high number'. Following + * algorithm hovers 10-70 bits above gpg values. And for + * larger p, it uses gpg's algorithm. + * + * The point is - if k gets large, encryption will be + * really slow. It does not matter for decryption. + */ +static int +decide_k_bits(int p_bits) +{ + if (p_bits <= 5120) + return p_bits / 10 + 160; + else + return (p_bits / 8 + 200) * 3 / 2; +} + +int +pgp_elgamal_encrypt(PGP_PubKey *pk, PGP_MPI *_m, + PGP_MPI **c1_p, PGP_MPI **c2_p) +{ + int res = PXE_PGP_MATH_FAILED; + int k_bits; + mpz_t *m = mpi_to_bn(_m); + mpz_t *p = mpi_to_bn(pk->pub.elg.p); + mpz_t *g = mpi_to_bn(pk->pub.elg.g); + mpz_t *y = mpi_to_bn(pk->pub.elg.y); + mpz_t *k = mp_new(); + mpz_t *yk = mp_new(); + mpz_t *c1 = mp_new(); + mpz_t *c2 = mp_new(); + + if (!m || !p || !g || !y || !k || !yk || !c1 || !c2) + goto err; + + /* + * generate k + */ + k_bits = decide_k_bits(mp_int_count_bits(p)); + res = mp_px_rand(k_bits, k); + if (res < 0) + return res; + + /* + * c1 = g^k c2 = m * y^k + */ + mp_int_exptmod(g, k, p, c1); + mp_int_exptmod(y, k, p, yk); + mp_modmul(m, yk, p, c2); + + /* result */ + *c1_p = bn_to_mpi(c1); + *c2_p = bn_to_mpi(c2); + if (*c1_p && *c2_p) + res = 0; +err: + mp_clear_free(c2); + mp_clear_free(c1); + mp_clear_free(yk); + mp_clear_free(k); + mp_clear_free(y); + mp_clear_free(g); + mp_clear_free(p); + mp_clear_free(m); + return res; +} + +int +pgp_elgamal_decrypt(PGP_PubKey *pk, PGP_MPI *_c1, PGP_MPI *_c2, + PGP_MPI **msg_p) +{ + int res = PXE_PGP_MATH_FAILED; + mpz_t *c1 = mpi_to_bn(_c1); + mpz_t *c2 = mpi_to_bn(_c2); + mpz_t *p = mpi_to_bn(pk->pub.elg.p); + mpz_t *x = mpi_to_bn(pk->sec.elg.x); + mpz_t *c1x = mp_new(); + mpz_t *div = mp_new(); + mpz_t *m = mp_new(); + + if (!c1 || !c2 || !p || !x || !c1x || !div || !m) + goto err; + + /* + * m = c2 / (c1^x) + */ + mp_int_exptmod(c1, x, p, c1x); + mp_int_invmod(c1x, p, div); + mp_modmul(c2, div, p, m); + + /* result */ + *msg_p = bn_to_mpi(m); + if (*msg_p) + res = 0; +err: + mp_clear_free(m); + mp_clear_free(div); + mp_clear_free(c1x); + mp_clear_free(x); + mp_clear_free(p); + mp_clear_free(c2); + mp_clear_free(c1); + return res; +} + +int +pgp_rsa_encrypt(PGP_PubKey *pk, PGP_MPI *_m, PGP_MPI **c_p) +{ + int res = PXE_PGP_MATH_FAILED; + mpz_t *m = mpi_to_bn(_m); + mpz_t *e = mpi_to_bn(pk->pub.rsa.e); + mpz_t *n = mpi_to_bn(pk->pub.rsa.n); + mpz_t *c = mp_new(); + + if (!m || !e || !n || !c) + goto err; + + /* + * c = m ^ e + */ + mp_int_exptmod(m, e, n, c); + + *c_p = bn_to_mpi(c); + if (*c_p) + res = 0; +err: + mp_clear_free(c); + mp_clear_free(n); + mp_clear_free(e); + mp_clear_free(m); + return res; +} + +int +pgp_rsa_decrypt(PGP_PubKey *pk, PGP_MPI *_c, PGP_MPI **m_p) +{ + int res = PXE_PGP_MATH_FAILED; + mpz_t *c = mpi_to_bn(_c); + mpz_t *d = mpi_to_bn(pk->sec.rsa.d); + mpz_t *n = mpi_to_bn(pk->pub.rsa.n); + mpz_t *m = mp_new(); + + if (!m || !d || !n || !c) + goto err; + + /* + * m = c ^ d + */ + mp_int_exptmod(c, d, n, m); + + *m_p = bn_to_mpi(m); + if (*m_p) + res = 0; +err: + mp_clear_free(m); + mp_clear_free(n); + mp_clear_free(d); + mp_clear_free(c); + return res; +} diff --git a/contrib/pgcrypto/pgp-mpi-openssl.c b/contrib/pgcrypto/pgp-mpi-openssl.c new file mode 100644 index 0000000..75e4c8b --- /dev/null +++ b/contrib/pgcrypto/pgp-mpi-openssl.c @@ -0,0 +1,284 @@ +/* + * pgp-mpi-openssl.c + * OpenPGP MPI functions using OpenSSL BIGNUM code. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-mpi-openssl.c + */ +#include "postgres.h" + +#include + +#include "pgp.h" +#include "px.h" + +static BIGNUM * +mpi_to_bn(PGP_MPI *n) +{ + BIGNUM *bn = BN_bin2bn(n->data, n->bytes, NULL); + + if (!bn) + return NULL; + if (BN_num_bits(bn) != n->bits) + { + px_debug("mpi_to_bn: bignum conversion failed: mpi=%d, bn=%d", + n->bits, BN_num_bits(bn)); + BN_clear_free(bn); + return NULL; + } + return bn; +} + +static PGP_MPI * +bn_to_mpi(BIGNUM *bn) +{ + int res; + PGP_MPI *n; + + res = pgp_mpi_alloc(BN_num_bits(bn), &n); + if (res < 0) + return NULL; + + if (BN_num_bytes(bn) != n->bytes) + { + px_debug("bn_to_mpi: bignum conversion failed: bn=%d, mpi=%d", + BN_num_bytes(bn), n->bytes); + pgp_mpi_free(n); + return NULL; + } + BN_bn2bin(bn, n->data); + return n; +} + +/* + * Decide the number of bits in the random component k + * + * It should be in the same range as p for signing (which + * is deprecated), but can be much smaller for encrypting. + * + * Until I research it further, I just mimic gpg behaviour. + * It has a special mapping table, for values <= 5120, + * above that it uses 'arbitrary high number'. Following + * algorithm hovers 10-70 bits above gpg values. And for + * larger p, it uses gpg's algorithm. + * + * The point is - if k gets large, encryption will be + * really slow. It does not matter for decryption. + */ +static int +decide_k_bits(int p_bits) +{ + if (p_bits <= 5120) + return p_bits / 10 + 160; + else + return (p_bits / 8 + 200) * 3 / 2; +} + +int +pgp_elgamal_encrypt(PGP_PubKey *pk, PGP_MPI *_m, + PGP_MPI **c1_p, PGP_MPI **c2_p) +{ + int res = PXE_PGP_MATH_FAILED; + int k_bits; + BIGNUM *m = mpi_to_bn(_m); + BIGNUM *p = mpi_to_bn(pk->pub.elg.p); + BIGNUM *g = mpi_to_bn(pk->pub.elg.g); + BIGNUM *y = mpi_to_bn(pk->pub.elg.y); + BIGNUM *k = BN_new(); + BIGNUM *yk = BN_new(); + BIGNUM *c1 = BN_new(); + BIGNUM *c2 = BN_new(); + BN_CTX *tmp = BN_CTX_new(); + + if (!m || !p || !g || !y || !k || !yk || !c1 || !c2 || !tmp) + goto err; + + /* + * generate k + */ + k_bits = decide_k_bits(BN_num_bits(p)); + if (!BN_rand(k, k_bits, 0, 0)) + goto err; + + /* + * c1 = g^k c2 = m * y^k + */ + if (!BN_mod_exp(c1, g, k, p, tmp)) + goto err; + if (!BN_mod_exp(yk, y, k, p, tmp)) + goto err; + if (!BN_mod_mul(c2, m, yk, p, tmp)) + goto err; + + /* result */ + *c1_p = bn_to_mpi(c1); + *c2_p = bn_to_mpi(c2); + if (*c1_p && *c2_p) + res = 0; +err: + if (tmp) + BN_CTX_free(tmp); + if (c2) + BN_clear_free(c2); + if (c1) + BN_clear_free(c1); + if (yk) + BN_clear_free(yk); + if (k) + BN_clear_free(k); + if (y) + BN_clear_free(y); + if (g) + BN_clear_free(g); + if (p) + BN_clear_free(p); + if (m) + BN_clear_free(m); + return res; +} + +int +pgp_elgamal_decrypt(PGP_PubKey *pk, PGP_MPI *_c1, PGP_MPI *_c2, + PGP_MPI **msg_p) +{ + int res = PXE_PGP_MATH_FAILED; + BIGNUM *c1 = mpi_to_bn(_c1); + BIGNUM *c2 = mpi_to_bn(_c2); + BIGNUM *p = mpi_to_bn(pk->pub.elg.p); + BIGNUM *x = mpi_to_bn(pk->sec.elg.x); + BIGNUM *c1x = BN_new(); + BIGNUM *div = BN_new(); + BIGNUM *m = BN_new(); + BN_CTX *tmp = BN_CTX_new(); + + if (!c1 || !c2 || !p || !x || !c1x || !div || !m || !tmp) + goto err; + + /* + * m = c2 / (c1^x) + */ + if (!BN_mod_exp(c1x, c1, x, p, tmp)) + goto err; + if (!BN_mod_inverse(div, c1x, p, tmp)) + goto err; + if (!BN_mod_mul(m, c2, div, p, tmp)) + goto err; + + /* result */ + *msg_p = bn_to_mpi(m); + if (*msg_p) + res = 0; +err: + if (tmp) + BN_CTX_free(tmp); + if (m) + BN_clear_free(m); + if (div) + BN_clear_free(div); + if (c1x) + BN_clear_free(c1x); + if (x) + BN_clear_free(x); + if (p) + BN_clear_free(p); + if (c2) + BN_clear_free(c2); + if (c1) + BN_clear_free(c1); + return res; +} + +int +pgp_rsa_encrypt(PGP_PubKey *pk, PGP_MPI *_m, PGP_MPI **c_p) +{ + int res = PXE_PGP_MATH_FAILED; + BIGNUM *m = mpi_to_bn(_m); + BIGNUM *e = mpi_to_bn(pk->pub.rsa.e); + BIGNUM *n = mpi_to_bn(pk->pub.rsa.n); + BIGNUM *c = BN_new(); + BN_CTX *tmp = BN_CTX_new(); + + if (!m || !e || !n || !c || !tmp) + goto err; + + /* + * c = m ^ e + */ + if (!BN_mod_exp(c, m, e, n, tmp)) + goto err; + + *c_p = bn_to_mpi(c); + if (*c_p) + res = 0; +err: + if (tmp) + BN_CTX_free(tmp); + if (c) + BN_clear_free(c); + if (n) + BN_clear_free(n); + if (e) + BN_clear_free(e); + if (m) + BN_clear_free(m); + return res; +} + +int +pgp_rsa_decrypt(PGP_PubKey *pk, PGP_MPI *_c, PGP_MPI **m_p) +{ + int res = PXE_PGP_MATH_FAILED; + BIGNUM *c = mpi_to_bn(_c); + BIGNUM *d = mpi_to_bn(pk->sec.rsa.d); + BIGNUM *n = mpi_to_bn(pk->pub.rsa.n); + BIGNUM *m = BN_new(); + BN_CTX *tmp = BN_CTX_new(); + + if (!m || !d || !n || !c || !tmp) + goto err; + + /* + * m = c ^ d + */ + if (!BN_mod_exp(m, c, d, n, tmp)) + goto err; + + *m_p = bn_to_mpi(m); + if (*m_p) + res = 0; +err: + if (tmp) + BN_CTX_free(tmp); + if (m) + BN_clear_free(m); + if (n) + BN_clear_free(n); + if (d) + BN_clear_free(d); + if (c) + BN_clear_free(c); + return res; +} diff --git a/contrib/pgcrypto/pgp-mpi.c b/contrib/pgcrypto/pgp-mpi.c new file mode 100644 index 0000000..36a6d36 --- /dev/null +++ b/contrib/pgcrypto/pgp-mpi.c @@ -0,0 +1,142 @@ +/* + * pgp-mpi.c + * OpenPGP MPI helper functions. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-mpi.c + */ +#include "postgres.h" + +#include "pgp.h" +#include "px.h" + +int +pgp_mpi_alloc(int bits, PGP_MPI **mpi) +{ + PGP_MPI *n; + int len = (bits + 7) / 8; + + if (bits < 0 || bits > 0xFFFF) + { + px_debug("pgp_mpi_alloc: unreasonable request: bits=%d", bits); + return PXE_PGP_CORRUPT_DATA; + } + n = px_alloc(sizeof(*n) + len); + n->bits = bits; + n->bytes = len; + n->data = (uint8 *) (n) + sizeof(*n); + *mpi = n; + return 0; +} + +int +pgp_mpi_create(uint8 *data, int bits, PGP_MPI **mpi) +{ + int res; + PGP_MPI *n; + + res = pgp_mpi_alloc(bits, &n); + if (res < 0) + return res; + memcpy(n->data, data, n->bytes); + *mpi = n; + return 0; +} + +int +pgp_mpi_free(PGP_MPI *mpi) +{ + if (mpi == NULL) + return 0; + px_memset(mpi, 0, sizeof(*mpi) + mpi->bytes); + px_free(mpi); + return 0; +} + +int +pgp_mpi_read(PullFilter *src, PGP_MPI **mpi) +{ + int res; + uint8 hdr[2]; + int bits; + PGP_MPI *n; + + res = pullf_read_fixed(src, 2, hdr); + if (res < 0) + return res; + bits = ((unsigned) hdr[0] << 8) + hdr[1]; + + res = pgp_mpi_alloc(bits, &n); + if (res < 0) + return res; + + res = pullf_read_fixed(src, n->bytes, n->data); + if (res < 0) + pgp_mpi_free(n); + else + *mpi = n; + return res; +} + +int +pgp_mpi_write(PushFilter *dst, PGP_MPI *n) +{ + int res; + uint8 buf[2]; + + buf[0] = n->bits >> 8; + buf[1] = n->bits & 0xFF; + res = pushf_write(dst, buf, 2); + if (res >= 0) + res = pushf_write(dst, n->data, n->bytes); + return res; +} + +int +pgp_mpi_hash(PX_MD *md, PGP_MPI *n) +{ + uint8 buf[2]; + + buf[0] = n->bits >> 8; + buf[1] = n->bits & 0xFF; + px_md_update(md, buf, 2); + px_md_update(md, n->data, n->bytes); + + return 0; +} + +unsigned +pgp_mpi_cksum(unsigned cksum, PGP_MPI *n) +{ + int i; + + cksum += n->bits >> 8; + cksum += n->bits & 0xFF; + for (i = 0; i < n->bytes; i++) + cksum += n->data[i]; + + return cksum & 0xFFFF; +} diff --git a/contrib/pgcrypto/pgp-pgsql.c b/contrib/pgcrypto/pgp-pgsql.c new file mode 100644 index 0000000..62a2f35 --- /dev/null +++ b/contrib/pgcrypto/pgp-pgsql.c @@ -0,0 +1,1018 @@ +/* + * pgp-pgsql.c + * PostgreSQL wrappers for pgp. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-pgsql.c + */ + +#include "postgres.h" + +#include "catalog/pg_type.h" +#include "funcapi.h" +#include "lib/stringinfo.h" +#include "mb/pg_wchar.h" +#include "mbuf.h" +#include "pgp.h" +#include "px.h" +#include "utils/array.h" +#include "utils/builtins.h" + +/* + * public functions + */ +PG_FUNCTION_INFO_V1(pgp_sym_encrypt_bytea); +PG_FUNCTION_INFO_V1(pgp_sym_encrypt_text); +PG_FUNCTION_INFO_V1(pgp_sym_decrypt_bytea); +PG_FUNCTION_INFO_V1(pgp_sym_decrypt_text); + +PG_FUNCTION_INFO_V1(pgp_pub_encrypt_bytea); +PG_FUNCTION_INFO_V1(pgp_pub_encrypt_text); +PG_FUNCTION_INFO_V1(pgp_pub_decrypt_bytea); +PG_FUNCTION_INFO_V1(pgp_pub_decrypt_text); + +PG_FUNCTION_INFO_V1(pgp_key_id_w); + +PG_FUNCTION_INFO_V1(pg_armor); +PG_FUNCTION_INFO_V1(pg_dearmor); +PG_FUNCTION_INFO_V1(pgp_armor_headers); + +/* + * returns src in case of no conversion or error + */ +static text * +convert_charset(text *src, int cset_from, int cset_to) +{ + int src_len = VARSIZE_ANY_EXHDR(src); + unsigned char *dst; + unsigned char *csrc = (unsigned char *) VARDATA_ANY(src); + text *res; + + dst = pg_do_encoding_conversion(csrc, src_len, cset_from, cset_to); + if (dst == csrc) + return src; + + res = cstring_to_text((char *) dst); + pfree(dst); + return res; +} + +static text * +convert_from_utf8(text *src) +{ + return convert_charset(src, PG_UTF8, GetDatabaseEncoding()); +} + +static text * +convert_to_utf8(text *src) +{ + return convert_charset(src, GetDatabaseEncoding(), PG_UTF8); +} + +static bool +string_is_ascii(const char *str) +{ + const char *p; + + for (p = str; *p; p++) + { + if (IS_HIGHBIT_SET(*p)) + return false; + } + return true; +} + +static void +clear_and_pfree(text *p) +{ + px_memset(p, 0, VARSIZE_ANY(p)); + pfree(p); +} + +/* + * expect-* arguments storage + */ +struct debug_expect +{ + int debug; + int expect; + int cipher_algo; + int s2k_mode; + int s2k_count; + int s2k_cipher_algo; + int s2k_digest_algo; + int compress_algo; + int use_sess_key; + int disable_mdc; + int unicode_mode; +}; + +static void +fill_expect(struct debug_expect *ex, int text_mode) +{ + ex->debug = 0; + ex->expect = 0; + ex->cipher_algo = -1; + ex->s2k_mode = -1; + ex->s2k_count = -1; + ex->s2k_cipher_algo = -1; + ex->s2k_digest_algo = -1; + ex->compress_algo = -1; + ex->use_sess_key = -1; + ex->disable_mdc = -1; + ex->unicode_mode = -1; +} + +#define EX_MSG(arg) \ + ereport(NOTICE, (errmsg( \ + "pgp_decrypt: unexpected %s: expected %d got %d", \ + CppAsString(arg), ex->arg, ctx->arg))) + +#define EX_CHECK(arg) do { \ + if (ex->arg >= 0 && ex->arg != ctx->arg) EX_MSG(arg); \ + } while (0) + +static void +check_expect(PGP_Context *ctx, struct debug_expect *ex) +{ + EX_CHECK(cipher_algo); + EX_CHECK(s2k_mode); + EX_CHECK(s2k_count); + EX_CHECK(s2k_digest_algo); + EX_CHECK(use_sess_key); + if (ctx->use_sess_key) + EX_CHECK(s2k_cipher_algo); + EX_CHECK(disable_mdc); + EX_CHECK(compress_algo); + EX_CHECK(unicode_mode); +} + +static void +show_debug(const char *msg) +{ + ereport(NOTICE, (errmsg("dbg: %s", msg))); +} + +static int +set_arg(PGP_Context *ctx, char *key, char *val, + struct debug_expect *ex) +{ + int res = 0; + + if (strcmp(key, "cipher-algo") == 0) + res = pgp_set_cipher_algo(ctx, val); + else if (strcmp(key, "disable-mdc") == 0) + res = pgp_disable_mdc(ctx, atoi(val)); + else if (strcmp(key, "sess-key") == 0) + res = pgp_set_sess_key(ctx, atoi(val)); + else if (strcmp(key, "s2k-mode") == 0) + res = pgp_set_s2k_mode(ctx, atoi(val)); + else if (strcmp(key, "s2k-count") == 0) + res = pgp_set_s2k_count(ctx, atoi(val)); + else if (strcmp(key, "s2k-digest-algo") == 0) + res = pgp_set_s2k_digest_algo(ctx, val); + else if (strcmp(key, "s2k-cipher-algo") == 0) + res = pgp_set_s2k_cipher_algo(ctx, val); + else if (strcmp(key, "compress-algo") == 0) + res = pgp_set_compress_algo(ctx, atoi(val)); + else if (strcmp(key, "compress-level") == 0) + res = pgp_set_compress_level(ctx, atoi(val)); + else if (strcmp(key, "convert-crlf") == 0) + res = pgp_set_convert_crlf(ctx, atoi(val)); + else if (strcmp(key, "unicode-mode") == 0) + res = pgp_set_unicode_mode(ctx, atoi(val)); + + /* + * The remaining options are for debugging/testing and are therefore not + * documented in the user-facing docs. + */ + else if (ex != NULL && strcmp(key, "debug") == 0) + ex->debug = atoi(val); + else if (ex != NULL && strcmp(key, "expect-cipher-algo") == 0) + { + ex->expect = 1; + ex->cipher_algo = pgp_get_cipher_code(val); + } + else if (ex != NULL && strcmp(key, "expect-disable-mdc") == 0) + { + ex->expect = 1; + ex->disable_mdc = atoi(val); + } + else if (ex != NULL && strcmp(key, "expect-sess-key") == 0) + { + ex->expect = 1; + ex->use_sess_key = atoi(val); + } + else if (ex != NULL && strcmp(key, "expect-s2k-mode") == 0) + { + ex->expect = 1; + ex->s2k_mode = atoi(val); + } + else if (ex != NULL && strcmp(key, "expect-s2k-count") == 0) + { + ex->expect = 1; + ex->s2k_count = atoi(val); + } + else if (ex != NULL && strcmp(key, "expect-s2k-digest-algo") == 0) + { + ex->expect = 1; + ex->s2k_digest_algo = pgp_get_digest_code(val); + } + else if (ex != NULL && strcmp(key, "expect-s2k-cipher-algo") == 0) + { + ex->expect = 1; + ex->s2k_cipher_algo = pgp_get_cipher_code(val); + } + else if (ex != NULL && strcmp(key, "expect-compress-algo") == 0) + { + ex->expect = 1; + ex->compress_algo = atoi(val); + } + else if (ex != NULL && strcmp(key, "expect-unicode-mode") == 0) + { + ex->expect = 1; + ex->unicode_mode = atoi(val); + } + else + res = PXE_ARGUMENT_ERROR; + + return res; +} + +/* + * Find next word. Handle ',' and '=' as words. Skip whitespace. + * Put word info into res_p, res_len. + * Returns ptr to next word. + */ +static char * +getword(char *p, char **res_p, int *res_len) +{ + /* whitespace at start */ + while (*p && (*p == ' ' || *p == '\t' || *p == '\n')) + p++; + + /* word data */ + *res_p = p; + if (*p == '=' || *p == ',') + p++; + else + while (*p && !(*p == ' ' || *p == '\t' || *p == '\n' + || *p == '=' || *p == ',')) + p++; + + /* word end */ + *res_len = p - *res_p; + + /* whitespace at end */ + while (*p && (*p == ' ' || *p == '\t' || *p == '\n')) + p++; + + return p; +} + +/* + * Convert to lowercase asciiz string. + */ +static char * +downcase_convert(const uint8 *s, int len) +{ + int c, + i; + char *res = palloc(len + 1); + + for (i = 0; i < len; i++) + { + c = s[i]; + if (c >= 'A' && c <= 'Z') + c += 'a' - 'A'; + res[i] = c; + } + res[len] = 0; + return res; +} + +static int +parse_args(PGP_Context *ctx, uint8 *args, int arg_len, + struct debug_expect *ex) +{ + char *str = downcase_convert(args, arg_len); + char *key, + *val; + int key_len, + val_len; + int res = 0; + char *p = str; + + while (*p) + { + res = PXE_ARGUMENT_ERROR; + p = getword(p, &key, &key_len); + if (*p++ != '=') + break; + p = getword(p, &val, &val_len); + if (*p == '\0') + ; + else if (*p++ != ',') + break; + + if (*key == 0 || *val == 0 || val_len == 0) + break; + + key[key_len] = 0; + val[val_len] = 0; + + res = set_arg(ctx, key, val, ex); + if (res < 0) + break; + } + pfree(str); + return res; +} + +static MBuf * +create_mbuf_from_vardata(text *data) +{ + return mbuf_create_from_data((uint8 *) VARDATA_ANY(data), + VARSIZE_ANY_EXHDR(data)); +} + +static void +init_work(PGP_Context **ctx_p, int is_text, + text *args, struct debug_expect *ex) +{ + int err = pgp_init(ctx_p); + + fill_expect(ex, is_text); + + if (err == 0 && args != NULL) + err = parse_args(*ctx_p, (uint8 *) VARDATA_ANY(args), + VARSIZE_ANY_EXHDR(args), ex); + + if (err) + px_THROW_ERROR(err); + + if (ex->debug) + px_set_debug_handler(show_debug); + + pgp_set_text_mode(*ctx_p, is_text); +} + +static bytea * +encrypt_internal(int is_pubenc, int is_text, + text *data, text *key, text *args) +{ + MBuf *src, + *dst; + uint8 tmp[VARHDRSZ]; + uint8 *restmp; + bytea *res; + int res_len; + PGP_Context *ctx; + int err; + struct debug_expect ex; + text *tmp_data = NULL; + + init_work(&ctx, is_text, args, &ex); + + if (is_text && pgp_get_unicode_mode(ctx)) + { + tmp_data = convert_to_utf8(data); + if (tmp_data == data) + tmp_data = NULL; + else + data = tmp_data; + } + + src = create_mbuf_from_vardata(data); + dst = mbuf_create(VARSIZE_ANY(data) + 128); + + /* + * reserve room for header + */ + mbuf_append(dst, tmp, VARHDRSZ); + + /* + * set key + */ + if (is_pubenc) + { + MBuf *kbuf = create_mbuf_from_vardata(key); + + err = pgp_set_pubkey(ctx, kbuf, + NULL, 0, 0); + mbuf_free(kbuf); + } + else + err = pgp_set_symkey(ctx, (uint8 *) VARDATA_ANY(key), + VARSIZE_ANY_EXHDR(key)); + + /* + * encrypt + */ + if (err >= 0) + err = pgp_encrypt(ctx, src, dst); + + /* + * check for error + */ + if (err) + { + if (ex.debug) + px_set_debug_handler(NULL); + if (tmp_data) + clear_and_pfree(tmp_data); + pgp_free(ctx); + mbuf_free(src); + mbuf_free(dst); + px_THROW_ERROR(err); + } + + /* res_len includes VARHDRSZ */ + res_len = mbuf_steal_data(dst, &restmp); + res = (bytea *) restmp; + SET_VARSIZE(res, res_len); + + if (tmp_data) + clear_and_pfree(tmp_data); + pgp_free(ctx); + mbuf_free(src); + mbuf_free(dst); + + px_set_debug_handler(NULL); + + return res; +} + +static bytea * +decrypt_internal(int is_pubenc, int need_text, text *data, + text *key, text *keypsw, text *args) +{ + int err; + MBuf *src = NULL, + *dst = NULL; + uint8 tmp[VARHDRSZ]; + uint8 *restmp; + bytea *res; + int res_len; + PGP_Context *ctx = NULL; + struct debug_expect ex; + int got_unicode = 0; + + + init_work(&ctx, need_text, args, &ex); + + src = mbuf_create_from_data((uint8 *) VARDATA_ANY(data), + VARSIZE_ANY_EXHDR(data)); + dst = mbuf_create(VARSIZE_ANY(data) + 2048); + + /* + * reserve room for header + */ + mbuf_append(dst, tmp, VARHDRSZ); + + /* + * set key + */ + if (is_pubenc) + { + uint8 *psw = NULL; + int psw_len = 0; + MBuf *kbuf; + + if (keypsw) + { + psw = (uint8 *) VARDATA_ANY(keypsw); + psw_len = VARSIZE_ANY_EXHDR(keypsw); + } + kbuf = create_mbuf_from_vardata(key); + err = pgp_set_pubkey(ctx, kbuf, psw, psw_len, 1); + mbuf_free(kbuf); + } + else + err = pgp_set_symkey(ctx, (uint8 *) VARDATA_ANY(key), + VARSIZE_ANY_EXHDR(key)); + + /* decrypt */ + if (err >= 0) + { + err = pgp_decrypt(ctx, src, dst); + + if (ex.expect) + check_expect(ctx, &ex); + + /* remember the setting */ + got_unicode = pgp_get_unicode_mode(ctx); + } + + mbuf_free(src); + pgp_free(ctx); + + if (err) + { + px_set_debug_handler(NULL); + mbuf_free(dst); + px_THROW_ERROR(err); + } + + res_len = mbuf_steal_data(dst, &restmp); + mbuf_free(dst); + + /* res_len includes VARHDRSZ */ + res = (bytea *) restmp; + SET_VARSIZE(res, res_len); + + if (need_text && got_unicode) + { + text *utf = convert_from_utf8(res); + + if (utf != res) + { + clear_and_pfree(res); + res = utf; + } + } + px_set_debug_handler(NULL); + + return res; +} + +/* + * Wrappers for symmetric-key functions + */ +Datum +pgp_sym_encrypt_bytea(PG_FUNCTION_ARGS) +{ + bytea *data, + *key; + text *arg = NULL; + text *res; + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + if (PG_NARGS() > 2) + arg = PG_GETARG_BYTEA_PP(2); + + res = encrypt_internal(0, 0, data, key, arg); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + if (PG_NARGS() > 2) + PG_FREE_IF_COPY(arg, 2); + PG_RETURN_TEXT_P(res); +} + +Datum +pgp_sym_encrypt_text(PG_FUNCTION_ARGS) +{ + bytea *data, + *key; + text *arg = NULL; + text *res; + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + if (PG_NARGS() > 2) + arg = PG_GETARG_BYTEA_PP(2); + + res = encrypt_internal(0, 1, data, key, arg); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + if (PG_NARGS() > 2) + PG_FREE_IF_COPY(arg, 2); + PG_RETURN_TEXT_P(res); +} + + +Datum +pgp_sym_decrypt_bytea(PG_FUNCTION_ARGS) +{ + bytea *data, + *key; + text *arg = NULL; + text *res; + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + if (PG_NARGS() > 2) + arg = PG_GETARG_BYTEA_PP(2); + + res = decrypt_internal(0, 0, data, key, NULL, arg); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + if (PG_NARGS() > 2) + PG_FREE_IF_COPY(arg, 2); + PG_RETURN_TEXT_P(res); +} + +Datum +pgp_sym_decrypt_text(PG_FUNCTION_ARGS) +{ + bytea *data, + *key; + text *arg = NULL; + text *res; + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + if (PG_NARGS() > 2) + arg = PG_GETARG_BYTEA_PP(2); + + res = decrypt_internal(0, 1, data, key, NULL, arg); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + if (PG_NARGS() > 2) + PG_FREE_IF_COPY(arg, 2); + PG_RETURN_TEXT_P(res); +} + +/* + * Wrappers for public-key functions + */ + +Datum +pgp_pub_encrypt_bytea(PG_FUNCTION_ARGS) +{ + bytea *data, + *key; + text *arg = NULL; + text *res; + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + if (PG_NARGS() > 2) + arg = PG_GETARG_BYTEA_PP(2); + + res = encrypt_internal(1, 0, data, key, arg); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + if (PG_NARGS() > 2) + PG_FREE_IF_COPY(arg, 2); + PG_RETURN_TEXT_P(res); +} + +Datum +pgp_pub_encrypt_text(PG_FUNCTION_ARGS) +{ + bytea *data, + *key; + text *arg = NULL; + text *res; + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + if (PG_NARGS() > 2) + arg = PG_GETARG_BYTEA_PP(2); + + res = encrypt_internal(1, 1, data, key, arg); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + if (PG_NARGS() > 2) + PG_FREE_IF_COPY(arg, 2); + PG_RETURN_TEXT_P(res); +} + + +Datum +pgp_pub_decrypt_bytea(PG_FUNCTION_ARGS) +{ + bytea *data, + *key; + text *psw = NULL, + *arg = NULL; + text *res; + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + if (PG_NARGS() > 2) + psw = PG_GETARG_BYTEA_PP(2); + if (PG_NARGS() > 3) + arg = PG_GETARG_BYTEA_PP(3); + + res = decrypt_internal(1, 0, data, key, psw, arg); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + if (PG_NARGS() > 2) + PG_FREE_IF_COPY(psw, 2); + if (PG_NARGS() > 3) + PG_FREE_IF_COPY(arg, 3); + PG_RETURN_TEXT_P(res); +} + +Datum +pgp_pub_decrypt_text(PG_FUNCTION_ARGS) +{ + bytea *data, + *key; + text *psw = NULL, + *arg = NULL; + text *res; + + data = PG_GETARG_BYTEA_PP(0); + key = PG_GETARG_BYTEA_PP(1); + if (PG_NARGS() > 2) + psw = PG_GETARG_BYTEA_PP(2); + if (PG_NARGS() > 3) + arg = PG_GETARG_BYTEA_PP(3); + + res = decrypt_internal(1, 1, data, key, psw, arg); + + PG_FREE_IF_COPY(data, 0); + PG_FREE_IF_COPY(key, 1); + if (PG_NARGS() > 2) + PG_FREE_IF_COPY(psw, 2); + if (PG_NARGS() > 3) + PG_FREE_IF_COPY(arg, 3); + PG_RETURN_TEXT_P(res); +} + + +/* + * Wrappers for PGP ascii armor + */ + +/* + * Helper function for pg_armor. Converts arrays of keys and values into + * plain C arrays, and checks that they don't contain invalid characters. + */ +static int +parse_key_value_arrays(ArrayType *key_array, ArrayType *val_array, + char ***p_keys, char ***p_values) +{ + int nkdims = ARR_NDIM(key_array); + int nvdims = ARR_NDIM(val_array); + char **keys, + **values; + Datum *key_datums, + *val_datums; + bool *key_nulls, + *val_nulls; + int key_count, + val_count; + int i; + + if (nkdims > 1 || nkdims != nvdims) + ereport(ERROR, + (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR), + errmsg("wrong number of array subscripts"))); + if (nkdims == 0) + return 0; + + deconstruct_array(key_array, + TEXTOID, -1, false, TYPALIGN_INT, + &key_datums, &key_nulls, &key_count); + + deconstruct_array(val_array, + TEXTOID, -1, false, TYPALIGN_INT, + &val_datums, &val_nulls, &val_count); + + if (key_count != val_count) + ereport(ERROR, + (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR), + errmsg("mismatched array dimensions"))); + + keys = (char **) palloc(sizeof(char *) * key_count); + values = (char **) palloc(sizeof(char *) * val_count); + + for (i = 0; i < key_count; i++) + { + char *v; + + /* Check that the key doesn't contain anything funny */ + if (key_nulls[i]) + ereport(ERROR, + (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), + errmsg("null value not allowed for header key"))); + + v = TextDatumGetCString(key_datums[i]); + + if (!string_is_ascii(v)) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("header key must not contain non-ASCII characters"))); + if (strstr(v, ": ")) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("header key must not contain \": \""))); + if (strchr(v, '\n')) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("header key must not contain newlines"))); + keys[i] = v; + + /* And the same for the value */ + if (val_nulls[i]) + ereport(ERROR, + (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED), + errmsg("null value not allowed for header value"))); + + v = TextDatumGetCString(val_datums[i]); + + if (!string_is_ascii(v)) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("header value must not contain non-ASCII characters"))); + if (strchr(v, '\n')) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("header value must not contain newlines"))); + + values[i] = v; + } + + *p_keys = keys; + *p_values = values; + return key_count; +} + +Datum +pg_armor(PG_FUNCTION_ARGS) +{ + bytea *data; + text *res; + int data_len; + StringInfoData buf; + int num_headers; + char **keys = NULL, + **values = NULL; + + data = PG_GETARG_BYTEA_PP(0); + data_len = VARSIZE_ANY_EXHDR(data); + if (PG_NARGS() == 3) + { + num_headers = parse_key_value_arrays(PG_GETARG_ARRAYTYPE_P(1), + PG_GETARG_ARRAYTYPE_P(2), + &keys, &values); + } + else if (PG_NARGS() == 1) + num_headers = 0; + else + elog(ERROR, "unexpected number of arguments %d", PG_NARGS()); + + initStringInfo(&buf); + + pgp_armor_encode((uint8 *) VARDATA_ANY(data), data_len, &buf, + num_headers, keys, values); + + res = palloc(VARHDRSZ + buf.len); + SET_VARSIZE(res, VARHDRSZ + buf.len); + memcpy(VARDATA(res), buf.data, buf.len); + pfree(buf.data); + + PG_FREE_IF_COPY(data, 0); + PG_RETURN_TEXT_P(res); +} + +Datum +pg_dearmor(PG_FUNCTION_ARGS) +{ + text *data; + bytea *res; + int data_len; + int ret; + StringInfoData buf; + + data = PG_GETARG_TEXT_PP(0); + data_len = VARSIZE_ANY_EXHDR(data); + + initStringInfo(&buf); + + ret = pgp_armor_decode((uint8 *) VARDATA_ANY(data), data_len, &buf); + if (ret < 0) + px_THROW_ERROR(ret); + res = palloc(VARHDRSZ + buf.len); + SET_VARSIZE(res, VARHDRSZ + buf.len); + memcpy(VARDATA(res), buf.data, buf.len); + pfree(buf.data); + + PG_FREE_IF_COPY(data, 0); + PG_RETURN_TEXT_P(res); +} + +/* cross-call state for pgp_armor_headers */ +typedef struct +{ + int nheaders; + char **keys; + char **values; +} pgp_armor_headers_state; + +Datum +pgp_armor_headers(PG_FUNCTION_ARGS) +{ + FuncCallContext *funcctx; + pgp_armor_headers_state *state; + char *utf8key; + char *utf8val; + HeapTuple tuple; + TupleDesc tupdesc; + AttInMetadata *attinmeta; + + if (SRF_IS_FIRSTCALL()) + { + text *data = PG_GETARG_TEXT_PP(0); + int res; + MemoryContext oldcontext; + + funcctx = SRF_FIRSTCALL_INIT(); + + /* we need the state allocated in the multi call context */ + oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx); + + /* Build a tuple descriptor for our result type */ + if (get_call_result_type(fcinfo, NULL, &tupdesc) != TYPEFUNC_COMPOSITE) + elog(ERROR, "return type must be a row type"); + + attinmeta = TupleDescGetAttInMetadata(tupdesc); + funcctx->attinmeta = attinmeta; + + state = (pgp_armor_headers_state *) palloc(sizeof(pgp_armor_headers_state)); + + res = pgp_extract_armor_headers((uint8 *) VARDATA_ANY(data), + VARSIZE_ANY_EXHDR(data), + &state->nheaders, &state->keys, + &state->values); + if (res < 0) + px_THROW_ERROR(res); + + MemoryContextSwitchTo(oldcontext); + funcctx->user_fctx = state; + } + + funcctx = SRF_PERCALL_SETUP(); + state = (pgp_armor_headers_state *) funcctx->user_fctx; + + if (funcctx->call_cntr >= state->nheaders) + SRF_RETURN_DONE(funcctx); + else + { + char *values[2]; + + /* we assume that the keys (and values) are in UTF-8. */ + utf8key = state->keys[funcctx->call_cntr]; + utf8val = state->values[funcctx->call_cntr]; + + values[0] = pg_any_to_server(utf8key, strlen(utf8key), PG_UTF8); + values[1] = pg_any_to_server(utf8val, strlen(utf8val), PG_UTF8); + + /* build a tuple */ + tuple = BuildTupleFromCStrings(funcctx->attinmeta, values); + SRF_RETURN_NEXT(funcctx, HeapTupleGetDatum(tuple)); + } +} + + + +/* + * Wrappers for PGP key id + */ + +Datum +pgp_key_id_w(PG_FUNCTION_ARGS) +{ + bytea *data; + text *res; + int res_len; + MBuf *buf; + + data = PG_GETARG_BYTEA_PP(0); + buf = create_mbuf_from_vardata(data); + res = palloc(VARHDRSZ + 17); + + res_len = pgp_get_keyid(buf, VARDATA(res)); + mbuf_free(buf); + if (res_len < 0) + px_THROW_ERROR(res_len); + SET_VARSIZE(res, VARHDRSZ + res_len); + + PG_FREE_IF_COPY(data, 0); + PG_RETURN_TEXT_P(res); +} diff --git a/contrib/pgcrypto/pgp-pubdec.c b/contrib/pgcrypto/pgp-pubdec.c new file mode 100644 index 0000000..a0a5738 --- /dev/null +++ b/contrib/pgcrypto/pgp-pubdec.c @@ -0,0 +1,235 @@ +/* + * pgp-pubdec.c + * Decrypt public-key encrypted session key. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-pubdec.c + */ +#include "postgres.h" + +#include "pgp.h" +#include "px.h" + +/* + * padded msg = 02 || PS || 00 || M + * PS - pad bytes + * M - msg + */ +static uint8 * +check_eme_pkcs1_v15(uint8 *data, int len) +{ + uint8 *data_end = data + len; + uint8 *p = data; + int rnd = 0; + + if (len < 1 + 8 + 1) + return NULL; + + if (*p++ != 2) + return NULL; + + while (p < data_end && *p) + { + p++; + rnd++; + } + + if (p == data_end) + return NULL; + if (*p != 0) + return NULL; + if (rnd < 8) + return NULL; + return p + 1; +} + +/* + * secret message: 1 byte algo, sesskey, 2 byte cksum + * ignore algo in cksum + */ +static int +control_cksum(uint8 *msg, int msglen) +{ + int i; + unsigned my_cksum, + got_cksum; + + if (msglen < 3) + return PXE_PGP_WRONG_KEY; + + my_cksum = 0; + for (i = 1; i < msglen - 2; i++) + my_cksum += msg[i]; + my_cksum &= 0xFFFF; + got_cksum = ((unsigned) (msg[msglen - 2]) << 8) + msg[msglen - 1]; + if (my_cksum != got_cksum) + { + px_debug("pubenc cksum failed"); + return PXE_PGP_WRONG_KEY; + } + return 0; +} + +static int +decrypt_elgamal(PGP_PubKey *pk, PullFilter *pkt, PGP_MPI **m_p) +{ + int res; + PGP_MPI *c1 = NULL; + PGP_MPI *c2 = NULL; + + if (pk->algo != PGP_PUB_ELG_ENCRYPT) + return PXE_PGP_WRONG_KEY; + + /* read elgamal encrypted data */ + res = pgp_mpi_read(pkt, &c1); + if (res < 0) + goto out; + res = pgp_mpi_read(pkt, &c2); + if (res < 0) + goto out; + + /* decrypt */ + res = pgp_elgamal_decrypt(pk, c1, c2, m_p); + +out: + pgp_mpi_free(c1); + pgp_mpi_free(c2); + return res; +} + +static int +decrypt_rsa(PGP_PubKey *pk, PullFilter *pkt, PGP_MPI **m_p) +{ + int res; + PGP_MPI *c; + + if (pk->algo != PGP_PUB_RSA_ENCRYPT + && pk->algo != PGP_PUB_RSA_ENCRYPT_SIGN) + return PXE_PGP_WRONG_KEY; + + /* read rsa encrypted data */ + res = pgp_mpi_read(pkt, &c); + if (res < 0) + return res; + + /* decrypt */ + res = pgp_rsa_decrypt(pk, c, m_p); + + pgp_mpi_free(c); + return res; +} + +/* key id is missing - user is expected to try all keys */ +static const uint8 + any_key[] = {0, 0, 0, 0, 0, 0, 0, 0}; + +int +pgp_parse_pubenc_sesskey(PGP_Context *ctx, PullFilter *pkt) +{ + int ver; + int algo; + int res; + uint8 key_id[8]; + PGP_PubKey *pk; + uint8 *msg; + int msglen; + PGP_MPI *m; + + pk = ctx->pub_key; + if (pk == NULL) + { + px_debug("no pubkey?"); + return PXE_BUG; + } + + GETBYTE(pkt, ver); + if (ver != 3) + { + px_debug("unknown pubenc_sesskey pkt ver=%d", ver); + return PXE_PGP_CORRUPT_DATA; + } + + /* + * check if keyid's match - user-friendly msg + */ + res = pullf_read_fixed(pkt, 8, key_id); + if (res < 0) + return res; + if (memcmp(key_id, any_key, 8) != 0 + && memcmp(key_id, pk->key_id, 8) != 0) + { + px_debug("key_id's does not match"); + return PXE_PGP_WRONG_KEY; + } + + /* + * Decrypt + */ + GETBYTE(pkt, algo); + switch (algo) + { + case PGP_PUB_ELG_ENCRYPT: + res = decrypt_elgamal(pk, pkt, &m); + break; + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + res = decrypt_rsa(pk, pkt, &m); + break; + default: + res = PXE_PGP_UNKNOWN_PUBALGO; + } + if (res < 0) + return res; + + /* + * extract message + */ + msg = check_eme_pkcs1_v15(m->data, m->bytes); + if (msg == NULL) + { + px_debug("check_eme_pkcs1_v15 failed"); + res = PXE_PGP_WRONG_KEY; + goto out; + } + msglen = m->bytes - (msg - m->data); + + res = control_cksum(msg, msglen); + if (res < 0) + goto out; + + /* + * got sesskey + */ + ctx->cipher_algo = *msg; + ctx->sess_key_len = msglen - 3; + memcpy(ctx->sess_key, msg + 1, ctx->sess_key_len); + +out: + pgp_mpi_free(m); + if (res < 0) + return res; + return pgp_expect_packet_end(pkt); +} diff --git a/contrib/pgcrypto/pgp-pubenc.c b/contrib/pgcrypto/pgp-pubenc.c new file mode 100644 index 0000000..9fdcf7c --- /dev/null +++ b/contrib/pgcrypto/pgp-pubenc.c @@ -0,0 +1,244 @@ +/* + * pgp-pubenc.c + * Encrypt session key with public key. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-pubenc.c + */ +#include "postgres.h" + +#include "pgp.h" +#include "px.h" + +/* + * padded msg: 02 || non-zero pad bytes || 00 || msg + */ +static int +pad_eme_pkcs1_v15(uint8 *data, int data_len, int res_len, uint8 **res_p) +{ + uint8 *buf, + *p; + int pad_len = res_len - 2 - data_len; + + if (pad_len < 8) + return PXE_BUG; + + buf = px_alloc(res_len); + buf[0] = 0x02; + + if (!pg_strong_random(buf + 1, pad_len)) + { + px_free(buf); + return PXE_NO_RANDOM; + } + + /* pad must not contain zero bytes */ + p = buf + 1; + while (p < buf + 1 + pad_len) + { + if (*p == 0) + { + if (!pg_strong_random(p, 1)) + { + px_memset(buf, 0, res_len); + px_free(buf); + return PXE_NO_RANDOM; + } + } + if (*p != 0) + p++; + } + + buf[pad_len + 1] = 0; + memcpy(buf + pad_len + 2, data, data_len); + *res_p = buf; + + return 0; +} + +static int +create_secmsg(PGP_Context *ctx, PGP_MPI **msg_p, int full_bytes) +{ + uint8 *secmsg; + int res, + i; + unsigned cksum = 0; + int klen = ctx->sess_key_len; + uint8 *padded = NULL; + PGP_MPI *m = NULL; + + /* calc checksum */ + for (i = 0; i < klen; i++) + cksum += ctx->sess_key[i]; + + /* + * create "secret message" + */ + secmsg = px_alloc(klen + 3); + secmsg[0] = ctx->cipher_algo; + memcpy(secmsg + 1, ctx->sess_key, klen); + secmsg[klen + 1] = (cksum >> 8) & 0xFF; + secmsg[klen + 2] = cksum & 0xFF; + + /* + * now create a large integer of it + */ + res = pad_eme_pkcs1_v15(secmsg, klen + 3, full_bytes, &padded); + if (res >= 0) + { + /* first byte will be 0x02 */ + int full_bits = full_bytes * 8 - 6; + + res = pgp_mpi_create(padded, full_bits, &m); + } + + if (padded) + { + px_memset(padded, 0, full_bytes); + px_free(padded); + } + px_memset(secmsg, 0, klen + 3); + px_free(secmsg); + + if (res >= 0) + *msg_p = m; + + return res; +} + +static int +encrypt_and_write_elgamal(PGP_Context *ctx, PGP_PubKey *pk, PushFilter *pkt) +{ + int res; + PGP_MPI *m = NULL, + *c1 = NULL, + *c2 = NULL; + + /* create padded msg */ + res = create_secmsg(ctx, &m, pk->pub.elg.p->bytes - 1); + if (res < 0) + goto err; + + /* encrypt it */ + res = pgp_elgamal_encrypt(pk, m, &c1, &c2); + if (res < 0) + goto err; + + /* write out */ + res = pgp_mpi_write(pkt, c1); + if (res < 0) + goto err; + res = pgp_mpi_write(pkt, c2); + +err: + pgp_mpi_free(m); + pgp_mpi_free(c1); + pgp_mpi_free(c2); + return res; +} + +static int +encrypt_and_write_rsa(PGP_Context *ctx, PGP_PubKey *pk, PushFilter *pkt) +{ + int res; + PGP_MPI *m = NULL, + *c = NULL; + + /* create padded msg */ + res = create_secmsg(ctx, &m, pk->pub.rsa.n->bytes - 1); + if (res < 0) + goto err; + + /* encrypt it */ + res = pgp_rsa_encrypt(pk, m, &c); + if (res < 0) + goto err; + + /* write out */ + res = pgp_mpi_write(pkt, c); + +err: + pgp_mpi_free(m); + pgp_mpi_free(c); + return res; +} + +int +pgp_write_pubenc_sesskey(PGP_Context *ctx, PushFilter *dst) +{ + int res; + PGP_PubKey *pk = ctx->pub_key; + uint8 ver = 3; + PushFilter *pkt = NULL; + uint8 algo; + + if (pk == NULL) + { + px_debug("no pubkey?\n"); + return PXE_BUG; + } + + algo = pk->algo; + + /* + * now write packet + */ + res = pgp_create_pkt_writer(dst, PGP_PKT_PUBENCRYPTED_SESSKEY, &pkt); + if (res < 0) + goto err; + res = pushf_write(pkt, &ver, 1); + if (res < 0) + goto err; + res = pushf_write(pkt, pk->key_id, 8); + if (res < 0) + goto err; + res = pushf_write(pkt, &algo, 1); + if (res < 0) + goto err; + + switch (algo) + { + case PGP_PUB_ELG_ENCRYPT: + res = encrypt_and_write_elgamal(ctx, pk, pkt); + break; + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + res = encrypt_and_write_rsa(ctx, pk, pkt); + break; + } + if (res < 0) + goto err; + + /* + * done, signal packet end + */ + res = pushf_flush(pkt); +err: + if (pkt) + pushf_free(pkt); + + return res; +} diff --git a/contrib/pgcrypto/pgp-pubkey.c b/contrib/pgcrypto/pgp-pubkey.c new file mode 100644 index 0000000..d447e5f --- /dev/null +++ b/contrib/pgcrypto/pgp-pubkey.c @@ -0,0 +1,584 @@ +/* + * pgp-pubkey.c + * Read public or secret key. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-pubkey.c + */ +#include "postgres.h" + +#include "mbuf.h" +#include "pgp.h" +#include "px.h" + +int +pgp_key_alloc(PGP_PubKey **pk_p) +{ + PGP_PubKey *pk; + + pk = px_alloc(sizeof(*pk)); + memset(pk, 0, sizeof(*pk)); + *pk_p = pk; + return 0; +} + +void +pgp_key_free(PGP_PubKey *pk) +{ + if (pk == NULL) + return; + + switch (pk->algo) + { + case PGP_PUB_ELG_ENCRYPT: + pgp_mpi_free(pk->pub.elg.p); + pgp_mpi_free(pk->pub.elg.g); + pgp_mpi_free(pk->pub.elg.y); + pgp_mpi_free(pk->sec.elg.x); + break; + case PGP_PUB_RSA_SIGN: + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + pgp_mpi_free(pk->pub.rsa.n); + pgp_mpi_free(pk->pub.rsa.e); + pgp_mpi_free(pk->sec.rsa.d); + pgp_mpi_free(pk->sec.rsa.p); + pgp_mpi_free(pk->sec.rsa.q); + pgp_mpi_free(pk->sec.rsa.u); + break; + case PGP_PUB_DSA_SIGN: + pgp_mpi_free(pk->pub.dsa.p); + pgp_mpi_free(pk->pub.dsa.q); + pgp_mpi_free(pk->pub.dsa.g); + pgp_mpi_free(pk->pub.dsa.y); + pgp_mpi_free(pk->sec.dsa.x); + break; + } + px_memset(pk, 0, sizeof(*pk)); + px_free(pk); +} + +static int +calc_key_id(PGP_PubKey *pk) +{ + int res; + PX_MD *md; + int len; + uint8 hdr[3]; + uint8 hash[20]; + + res = pgp_load_digest(PGP_DIGEST_SHA1, &md); + if (res < 0) + return res; + + len = 1 + 4 + 1; + switch (pk->algo) + { + case PGP_PUB_ELG_ENCRYPT: + len += 2 + pk->pub.elg.p->bytes; + len += 2 + pk->pub.elg.g->bytes; + len += 2 + pk->pub.elg.y->bytes; + break; + case PGP_PUB_RSA_SIGN: + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + len += 2 + pk->pub.rsa.n->bytes; + len += 2 + pk->pub.rsa.e->bytes; + break; + case PGP_PUB_DSA_SIGN: + len += 2 + pk->pub.dsa.p->bytes; + len += 2 + pk->pub.dsa.q->bytes; + len += 2 + pk->pub.dsa.g->bytes; + len += 2 + pk->pub.dsa.y->bytes; + break; + } + + hdr[0] = 0x99; + hdr[1] = len >> 8; + hdr[2] = len & 0xFF; + px_md_update(md, hdr, 3); + + px_md_update(md, &pk->ver, 1); + px_md_update(md, pk->time, 4); + px_md_update(md, &pk->algo, 1); + + switch (pk->algo) + { + case PGP_PUB_ELG_ENCRYPT: + pgp_mpi_hash(md, pk->pub.elg.p); + pgp_mpi_hash(md, pk->pub.elg.g); + pgp_mpi_hash(md, pk->pub.elg.y); + break; + case PGP_PUB_RSA_SIGN: + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + pgp_mpi_hash(md, pk->pub.rsa.n); + pgp_mpi_hash(md, pk->pub.rsa.e); + break; + case PGP_PUB_DSA_SIGN: + pgp_mpi_hash(md, pk->pub.dsa.p); + pgp_mpi_hash(md, pk->pub.dsa.q); + pgp_mpi_hash(md, pk->pub.dsa.g); + pgp_mpi_hash(md, pk->pub.dsa.y); + break; + } + + px_md_finish(md, hash); + px_md_free(md); + + memcpy(pk->key_id, hash + 12, 8); + px_memset(hash, 0, 20); + + return 0; +} + +int +_pgp_read_public_key(PullFilter *pkt, PGP_PubKey **pk_p) +{ + int res; + PGP_PubKey *pk; + + res = pgp_key_alloc(&pk); + if (res < 0) + return res; + + /* get version */ + GETBYTE(pkt, pk->ver); + if (pk->ver != 4) + { + res = PXE_PGP_NOT_V4_KEYPKT; + goto out; + } + + /* read time */ + res = pullf_read_fixed(pkt, 4, pk->time); + if (res < 0) + goto out; + + /* pubkey algorithm */ + GETBYTE(pkt, pk->algo); + + switch (pk->algo) + { + case PGP_PUB_DSA_SIGN: + res = pgp_mpi_read(pkt, &pk->pub.dsa.p); + if (res < 0) + break; + res = pgp_mpi_read(pkt, &pk->pub.dsa.q); + if (res < 0) + break; + res = pgp_mpi_read(pkt, &pk->pub.dsa.g); + if (res < 0) + break; + res = pgp_mpi_read(pkt, &pk->pub.dsa.y); + if (res < 0) + break; + + res = calc_key_id(pk); + break; + + case PGP_PUB_RSA_SIGN: + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + res = pgp_mpi_read(pkt, &pk->pub.rsa.n); + if (res < 0) + break; + res = pgp_mpi_read(pkt, &pk->pub.rsa.e); + if (res < 0) + break; + + res = calc_key_id(pk); + + if (pk->algo != PGP_PUB_RSA_SIGN) + pk->can_encrypt = 1; + break; + + case PGP_PUB_ELG_ENCRYPT: + res = pgp_mpi_read(pkt, &pk->pub.elg.p); + if (res < 0) + break; + res = pgp_mpi_read(pkt, &pk->pub.elg.g); + if (res < 0) + break; + res = pgp_mpi_read(pkt, &pk->pub.elg.y); + if (res < 0) + break; + + res = calc_key_id(pk); + + pk->can_encrypt = 1; + break; + + default: + px_debug("unknown public algo: %d", pk->algo); + res = PXE_PGP_UNKNOWN_PUBALGO; + } + +out: + if (res < 0) + pgp_key_free(pk); + else + *pk_p = pk; + + return res; +} + +#define HIDE_CLEAR 0 +#define HIDE_CKSUM 255 +#define HIDE_SHA1 254 + +static int +check_key_sha1(PullFilter *src, PGP_PubKey *pk) +{ + int res; + uint8 got_sha1[20]; + uint8 my_sha1[20]; + PX_MD *md; + + res = pullf_read_fixed(src, 20, got_sha1); + if (res < 0) + return res; + + res = pgp_load_digest(PGP_DIGEST_SHA1, &md); + if (res < 0) + goto err; + switch (pk->algo) + { + case PGP_PUB_ELG_ENCRYPT: + pgp_mpi_hash(md, pk->sec.elg.x); + break; + case PGP_PUB_RSA_SIGN: + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + pgp_mpi_hash(md, pk->sec.rsa.d); + pgp_mpi_hash(md, pk->sec.rsa.p); + pgp_mpi_hash(md, pk->sec.rsa.q); + pgp_mpi_hash(md, pk->sec.rsa.u); + break; + case PGP_PUB_DSA_SIGN: + pgp_mpi_hash(md, pk->sec.dsa.x); + break; + } + px_md_finish(md, my_sha1); + px_md_free(md); + + if (memcmp(my_sha1, got_sha1, 20) != 0) + { + px_debug("key sha1 check failed"); + res = PXE_PGP_KEYPKT_CORRUPT; + } +err: + px_memset(got_sha1, 0, 20); + px_memset(my_sha1, 0, 20); + return res; +} + +static int +check_key_cksum(PullFilter *src, PGP_PubKey *pk) +{ + int res; + unsigned got_cksum, + my_cksum = 0; + uint8 buf[2]; + + res = pullf_read_fixed(src, 2, buf); + if (res < 0) + return res; + + got_cksum = ((unsigned) buf[0] << 8) + buf[1]; + switch (pk->algo) + { + case PGP_PUB_ELG_ENCRYPT: + my_cksum = pgp_mpi_cksum(0, pk->sec.elg.x); + break; + case PGP_PUB_RSA_SIGN: + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + my_cksum = pgp_mpi_cksum(0, pk->sec.rsa.d); + my_cksum = pgp_mpi_cksum(my_cksum, pk->sec.rsa.p); + my_cksum = pgp_mpi_cksum(my_cksum, pk->sec.rsa.q); + my_cksum = pgp_mpi_cksum(my_cksum, pk->sec.rsa.u); + break; + case PGP_PUB_DSA_SIGN: + my_cksum = pgp_mpi_cksum(0, pk->sec.dsa.x); + break; + } + if (my_cksum != got_cksum) + { + px_debug("key cksum check failed"); + return PXE_PGP_KEYPKT_CORRUPT; + } + return 0; +} + +static int +process_secret_key(PullFilter *pkt, PGP_PubKey **pk_p, + const uint8 *key, int key_len) +{ + int res; + int hide_type; + int cipher_algo; + int bs; + uint8 iv[512]; + PullFilter *pf_decrypt = NULL, + *pf_key; + PGP_CFB *cfb = NULL; + PGP_S2K s2k; + PGP_PubKey *pk; + + /* first read public key part */ + res = _pgp_read_public_key(pkt, &pk); + if (res < 0) + return res; + + /* + * is secret key encrypted? + */ + GETBYTE(pkt, hide_type); + if (hide_type == HIDE_SHA1 || hide_type == HIDE_CKSUM) + { + if (key == NULL) + return PXE_PGP_NEED_SECRET_PSW; + GETBYTE(pkt, cipher_algo); + res = pgp_s2k_read(pkt, &s2k); + if (res < 0) + return res; + + res = pgp_s2k_process(&s2k, cipher_algo, key, key_len); + if (res < 0) + return res; + + bs = pgp_get_cipher_block_size(cipher_algo); + if (bs == 0) + { + px_debug("unknown cipher algo=%d", cipher_algo); + return PXE_PGP_UNSUPPORTED_CIPHER; + } + res = pullf_read_fixed(pkt, bs, iv); + if (res < 0) + return res; + + /* + * create decrypt filter + */ + res = pgp_cfb_create(&cfb, cipher_algo, s2k.key, s2k.key_len, 0, iv); + if (res < 0) + return res; + res = pullf_create(&pf_decrypt, &pgp_decrypt_filter, cfb, pkt); + if (res < 0) + return res; + pf_key = pf_decrypt; + } + else if (hide_type == HIDE_CLEAR) + { + pf_key = pkt; + } + else + { + px_debug("unknown hide type"); + return PXE_PGP_KEYPKT_CORRUPT; + } + + /* read secret key */ + switch (pk->algo) + { + case PGP_PUB_RSA_SIGN: + case PGP_PUB_RSA_ENCRYPT: + case PGP_PUB_RSA_ENCRYPT_SIGN: + res = pgp_mpi_read(pf_key, &pk->sec.rsa.d); + if (res < 0) + break; + res = pgp_mpi_read(pf_key, &pk->sec.rsa.p); + if (res < 0) + break; + res = pgp_mpi_read(pf_key, &pk->sec.rsa.q); + if (res < 0) + break; + res = pgp_mpi_read(pf_key, &pk->sec.rsa.u); + if (res < 0) + break; + break; + case PGP_PUB_ELG_ENCRYPT: + res = pgp_mpi_read(pf_key, &pk->sec.elg.x); + break; + case PGP_PUB_DSA_SIGN: + res = pgp_mpi_read(pf_key, &pk->sec.dsa.x); + break; + default: + px_debug("unknown public algo: %d", pk->algo); + res = PXE_PGP_KEYPKT_CORRUPT; + } + /* read checksum / sha1 */ + if (res >= 0) + { + if (hide_type == HIDE_SHA1) + res = check_key_sha1(pf_key, pk); + else + res = check_key_cksum(pf_key, pk); + } + if (res >= 0) + res = pgp_expect_packet_end(pf_key); + + if (pf_decrypt) + pullf_free(pf_decrypt); + if (cfb) + pgp_cfb_free(cfb); + + if (res < 0) + pgp_key_free(pk); + else + *pk_p = pk; + + return res; +} + +static int +internal_read_key(PullFilter *src, PGP_PubKey **pk_p, + const uint8 *psw, int psw_len, int pubtype) +{ + PullFilter *pkt = NULL; + int res; + uint8 tag; + int len; + PGP_PubKey *enc_key = NULL; + PGP_PubKey *pk = NULL; + int got_main_key = 0; + + /* + * Search for encryption key. + * + * Error out on anything fancy. + */ + while (1) + { + res = pgp_parse_pkt_hdr(src, &tag, &len, 0); + if (res <= 0) + break; + res = pgp_create_pkt_reader(&pkt, src, len, res, NULL); + if (res < 0) + break; + + switch (tag) + { + case PGP_PKT_PUBLIC_KEY: + case PGP_PKT_SECRET_KEY: + if (got_main_key) + { + res = PXE_PGP_MULTIPLE_KEYS; + break; + } + got_main_key = 1; + res = pgp_skip_packet(pkt); + break; + + case PGP_PKT_PUBLIC_SUBKEY: + if (pubtype != 0) + res = PXE_PGP_EXPECT_SECRET_KEY; + else + res = _pgp_read_public_key(pkt, &pk); + break; + + case PGP_PKT_SECRET_SUBKEY: + if (pubtype != 1) + res = PXE_PGP_EXPECT_PUBLIC_KEY; + else + res = process_secret_key(pkt, &pk, psw, psw_len); + break; + + case PGP_PKT_SIGNATURE: + case PGP_PKT_MARKER: + case PGP_PKT_TRUST: + case PGP_PKT_USER_ID: + case PGP_PKT_USER_ATTR: + case PGP_PKT_PRIV_61: + res = pgp_skip_packet(pkt); + break; + default: + px_debug("unknown/unexpected packet: %d", tag); + res = PXE_PGP_UNEXPECTED_PKT; + } + pullf_free(pkt); + pkt = NULL; + + if (pk != NULL) + { + if (res >= 0 && pk->can_encrypt) + { + if (enc_key == NULL) + { + enc_key = pk; + pk = NULL; + } + else + res = PXE_PGP_MULTIPLE_SUBKEYS; + } + + if (pk) + pgp_key_free(pk); + pk = NULL; + } + + if (res < 0) + break; + } + + if (pkt) + pullf_free(pkt); + + if (res < 0) + { + if (enc_key) + pgp_key_free(enc_key); + return res; + } + + if (!enc_key) + res = PXE_PGP_NO_USABLE_KEY; + else + *pk_p = enc_key; + return res; +} + +int +pgp_set_pubkey(PGP_Context *ctx, MBuf *keypkt, + const uint8 *key, int key_len, int pubtype) +{ + int res; + PullFilter *src; + PGP_PubKey *pk = NULL; + + res = pullf_create_mbuf_reader(&src, keypkt); + if (res < 0) + return res; + + res = internal_read_key(src, &pk, key, key_len, pubtype); + pullf_free(src); + + if (res >= 0) + ctx->pub_key = pk; + + return res < 0 ? res : 0; +} diff --git a/contrib/pgcrypto/pgp-s2k.c b/contrib/pgcrypto/pgp-s2k.c new file mode 100644 index 0000000..81ca1f0 --- /dev/null +++ b/contrib/pgcrypto/pgp-s2k.c @@ -0,0 +1,308 @@ +/* + * pgp-s2k.c + * OpenPGP string2key functions. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp-s2k.c + */ + +#include "postgres.h" + +#include "pgp.h" +#include "px.h" + +static int +calc_s2k_simple(PGP_S2K *s2k, PX_MD *md, const uint8 *key, + unsigned key_len) +{ + unsigned md_rlen; + uint8 buf[PGP_MAX_DIGEST]; + unsigned preload; + unsigned remain; + uint8 *dst = s2k->key; + + md_rlen = px_md_result_size(md); + + remain = s2k->key_len; + preload = 0; + while (remain > 0) + { + px_md_reset(md); + + if (preload) + { + memset(buf, 0, preload); + px_md_update(md, buf, preload); + } + preload++; + + px_md_update(md, key, key_len); + px_md_finish(md, buf); + + if (remain > md_rlen) + { + memcpy(dst, buf, md_rlen); + dst += md_rlen; + remain -= md_rlen; + } + else + { + memcpy(dst, buf, remain); + remain = 0; + } + } + px_memset(buf, 0, sizeof(buf)); + return 0; +} + +static int +calc_s2k_salted(PGP_S2K *s2k, PX_MD *md, const uint8 *key, unsigned key_len) +{ + unsigned md_rlen; + uint8 buf[PGP_MAX_DIGEST]; + unsigned preload = 0; + uint8 *dst; + unsigned remain; + + md_rlen = px_md_result_size(md); + + dst = s2k->key; + remain = s2k->key_len; + while (remain > 0) + { + px_md_reset(md); + + if (preload > 0) + { + memset(buf, 0, preload); + px_md_update(md, buf, preload); + } + preload++; + + px_md_update(md, s2k->salt, PGP_S2K_SALT); + px_md_update(md, key, key_len); + px_md_finish(md, buf); + + if (remain > md_rlen) + { + memcpy(dst, buf, md_rlen); + remain -= md_rlen; + dst += md_rlen; + } + else + { + memcpy(dst, buf, remain); + remain = 0; + } + } + px_memset(buf, 0, sizeof(buf)); + return 0; +} + +static int +calc_s2k_iter_salted(PGP_S2K *s2k, PX_MD *md, const uint8 *key, + unsigned key_len) +{ + unsigned md_rlen; + uint8 buf[PGP_MAX_DIGEST]; + uint8 *dst; + unsigned preload = 0; + unsigned remain, + c, + curcnt, + count; + + count = s2k_decode_count(s2k->iter); + + md_rlen = px_md_result_size(md); + + remain = s2k->key_len; + dst = s2k->key; + while (remain > 0) + { + px_md_reset(md); + + if (preload) + { + memset(buf, 0, preload); + px_md_update(md, buf, preload); + } + preload++; + + px_md_update(md, s2k->salt, PGP_S2K_SALT); + px_md_update(md, key, key_len); + curcnt = PGP_S2K_SALT + key_len; + + while (curcnt < count) + { + if (curcnt + PGP_S2K_SALT < count) + c = PGP_S2K_SALT; + else + c = count - curcnt; + px_md_update(md, s2k->salt, c); + curcnt += c; + + if (curcnt + key_len < count) + c = key_len; + else if (curcnt < count) + c = count - curcnt; + else + break; + px_md_update(md, key, c); + curcnt += c; + } + px_md_finish(md, buf); + + if (remain > md_rlen) + { + memcpy(dst, buf, md_rlen); + remain -= md_rlen; + dst += md_rlen; + } + else + { + memcpy(dst, buf, remain); + remain = 0; + } + } + px_memset(buf, 0, sizeof(buf)); + return 0; +} + +/* + * Decide PGP_S2K_ISALTED iteration count (in OpenPGP one-byte representation) + * + * Too small: weak + * Too big: slow + * gpg defaults to 96 => 65536 iters + * + * For our default (count=-1) we let it float a bit: 96 + 32 => between 65536 + * and 262144 iterations. + * + * Otherwise, find the smallest number which provides at least the specified + * iteration count. + */ +static uint8 +decide_s2k_iter(unsigned rand_byte, int count) +{ + int iter; + + if (count == -1) + return 96 + (rand_byte & 0x1F); + /* this is a bit brute-force, but should be quick enough */ + for (iter = 0; iter <= 255; iter++) + if (s2k_decode_count(iter) >= count) + return iter; + return 255; +} + +int +pgp_s2k_fill(PGP_S2K *s2k, int mode, int digest_algo, int count) +{ + int res = 0; + uint8 tmp; + + s2k->mode = mode; + s2k->digest_algo = digest_algo; + + switch (s2k->mode) + { + case PGP_S2K_SIMPLE: + break; + case PGP_S2K_SALTED: + if (!pg_strong_random(s2k->salt, PGP_S2K_SALT)) + return PXE_NO_RANDOM; + break; + case PGP_S2K_ISALTED: + if (!pg_strong_random(s2k->salt, PGP_S2K_SALT)) + return PXE_NO_RANDOM; + if (!pg_strong_random(&tmp, 1)) + return PXE_NO_RANDOM; + s2k->iter = decide_s2k_iter(tmp, count); + break; + default: + res = PXE_PGP_BAD_S2K_MODE; + } + return res; +} + +int +pgp_s2k_read(PullFilter *src, PGP_S2K *s2k) +{ + int res = 0; + + GETBYTE(src, s2k->mode); + GETBYTE(src, s2k->digest_algo); + switch (s2k->mode) + { + case 0: + break; + case 1: + res = pullf_read_fixed(src, 8, s2k->salt); + break; + case 3: + res = pullf_read_fixed(src, 8, s2k->salt); + if (res < 0) + break; + GETBYTE(src, s2k->iter); + break; + default: + res = PXE_PGP_BAD_S2K_MODE; + } + return res; +} + +int +pgp_s2k_process(PGP_S2K *s2k, int cipher, const uint8 *key, int key_len) +{ + int res; + PX_MD *md; + + s2k->key_len = pgp_get_cipher_key_size(cipher); + if (s2k->key_len <= 0) + return PXE_PGP_UNSUPPORTED_CIPHER; + + res = pgp_load_digest(s2k->digest_algo, &md); + if (res < 0) + return res; + + switch (s2k->mode) + { + case 0: + res = calc_s2k_simple(s2k, md, key, key_len); + break; + case 1: + res = calc_s2k_salted(s2k, md, key, key_len); + break; + case 3: + res = calc_s2k_iter_salted(s2k, md, key, key_len); + break; + default: + res = PXE_PGP_BAD_S2K_MODE; + } + px_md_free(md); + return res; +} diff --git a/contrib/pgcrypto/pgp.c b/contrib/pgcrypto/pgp.c new file mode 100644 index 0000000..9b245fe --- /dev/null +++ b/contrib/pgcrypto/pgp.c @@ -0,0 +1,371 @@ +/* + * pgp.c + * Various utility stuff. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp.c + */ + +#include "postgres.h" + +#include "pgp.h" +#include "px.h" + +/* + * Defaults. + */ +static int def_cipher_algo = PGP_SYM_AES_128; +static int def_s2k_cipher_algo = -1; +static int def_s2k_mode = PGP_S2K_ISALTED; +static int def_s2k_count = -1; +static int def_s2k_digest_algo = PGP_DIGEST_SHA1; +static int def_compress_algo = PGP_COMPR_NONE; +static int def_compress_level = 6; +static int def_disable_mdc = 0; +static int def_use_sess_key = 0; +static int def_text_mode = 0; +static int def_unicode_mode = 0; +static int def_convert_crlf = 0; + +struct digest_info +{ + const char *name; + int code; +}; + +struct cipher_info +{ + const char *name; + int code; + const char *int_name; + int key_len; + int block_len; +}; + +static const struct digest_info digest_list[] = { + {"md5", PGP_DIGEST_MD5}, + {"sha1", PGP_DIGEST_SHA1}, + {"sha-1", PGP_DIGEST_SHA1}, + {"ripemd160", PGP_DIGEST_RIPEMD160}, + {"sha256", PGP_DIGEST_SHA256}, + {"sha384", PGP_DIGEST_SHA384}, + {"sha512", PGP_DIGEST_SHA512}, + {NULL, 0} +}; + +static const struct cipher_info cipher_list[] = { + {"3des", PGP_SYM_DES3, "3des-ecb", 192 / 8, 64 / 8}, + {"cast5", PGP_SYM_CAST5, "cast5-ecb", 128 / 8, 64 / 8}, + {"bf", PGP_SYM_BLOWFISH, "bf-ecb", 128 / 8, 64 / 8}, + {"blowfish", PGP_SYM_BLOWFISH, "bf-ecb", 128 / 8, 64 / 8}, + {"aes", PGP_SYM_AES_128, "aes-ecb", 128 / 8, 128 / 8}, + {"aes128", PGP_SYM_AES_128, "aes-ecb", 128 / 8, 128 / 8}, + {"aes192", PGP_SYM_AES_192, "aes-ecb", 192 / 8, 128 / 8}, + {"aes256", PGP_SYM_AES_256, "aes-ecb", 256 / 8, 128 / 8}, + {"twofish", PGP_SYM_TWOFISH, "twofish-ecb", 256 / 8, 128 / 8}, + {NULL, 0, NULL} +}; + +static const struct cipher_info * +get_cipher_info(int code) +{ + const struct cipher_info *i; + + for (i = cipher_list; i->name; i++) + if (i->code == code) + return i; + return NULL; +} + +int +pgp_get_digest_code(const char *name) +{ + const struct digest_info *i; + + for (i = digest_list; i->name; i++) + if (pg_strcasecmp(i->name, name) == 0) + return i->code; + return PXE_PGP_UNSUPPORTED_HASH; +} + +int +pgp_get_cipher_code(const char *name) +{ + const struct cipher_info *i; + + for (i = cipher_list; i->name; i++) + if (pg_strcasecmp(i->name, name) == 0) + return i->code; + return PXE_PGP_UNSUPPORTED_CIPHER; +} + +const char * +pgp_get_digest_name(int code) +{ + const struct digest_info *i; + + for (i = digest_list; i->name; i++) + if (i->code == code) + return i->name; + return NULL; +} + +const char * +pgp_get_cipher_name(int code) +{ + const struct cipher_info *i = get_cipher_info(code); + + if (i != NULL) + return i->name; + return NULL; +} + +int +pgp_get_cipher_key_size(int code) +{ + const struct cipher_info *i = get_cipher_info(code); + + if (i != NULL) + return i->key_len; + return 0; +} + +int +pgp_get_cipher_block_size(int code) +{ + const struct cipher_info *i = get_cipher_info(code); + + if (i != NULL) + return i->block_len; + return 0; +} + +int +pgp_load_cipher(int code, PX_Cipher **res) +{ + int err; + const struct cipher_info *i = get_cipher_info(code); + + if (i == NULL) + return PXE_PGP_CORRUPT_DATA; + + err = px_find_cipher(i->int_name, res); + if (err == 0) + return 0; + + return PXE_PGP_UNSUPPORTED_CIPHER; +} + +int +pgp_load_digest(int code, PX_MD **res) +{ + int err; + const char *name = pgp_get_digest_name(code); + + if (name == NULL) + return PXE_PGP_CORRUPT_DATA; + + err = px_find_digest(name, res); + if (err == 0) + return 0; + + return PXE_PGP_UNSUPPORTED_HASH; +} + +int +pgp_init(PGP_Context **ctx_p) +{ + PGP_Context *ctx; + + ctx = px_alloc(sizeof *ctx); + memset(ctx, 0, sizeof *ctx); + + ctx->cipher_algo = def_cipher_algo; + ctx->s2k_cipher_algo = def_s2k_cipher_algo; + ctx->s2k_mode = def_s2k_mode; + ctx->s2k_count = def_s2k_count; + ctx->s2k_digest_algo = def_s2k_digest_algo; + ctx->compress_algo = def_compress_algo; + ctx->compress_level = def_compress_level; + ctx->disable_mdc = def_disable_mdc; + ctx->use_sess_key = def_use_sess_key; + ctx->unicode_mode = def_unicode_mode; + ctx->convert_crlf = def_convert_crlf; + ctx->text_mode = def_text_mode; + + *ctx_p = ctx; + return 0; +} + +int +pgp_free(PGP_Context *ctx) +{ + if (ctx->pub_key) + pgp_key_free(ctx->pub_key); + px_memset(ctx, 0, sizeof *ctx); + px_free(ctx); + return 0; +} + +int +pgp_disable_mdc(PGP_Context *ctx, int disable) +{ + ctx->disable_mdc = disable ? 1 : 0; + return 0; +} + +int +pgp_set_sess_key(PGP_Context *ctx, int use) +{ + ctx->use_sess_key = use ? 1 : 0; + return 0; +} + +int +pgp_set_convert_crlf(PGP_Context *ctx, int doit) +{ + ctx->convert_crlf = doit ? 1 : 0; + return 0; +} + +int +pgp_set_s2k_mode(PGP_Context *ctx, int mode) +{ + int err = PXE_OK; + + switch (mode) + { + case PGP_S2K_SIMPLE: + case PGP_S2K_SALTED: + case PGP_S2K_ISALTED: + ctx->s2k_mode = mode; + break; + default: + err = PXE_ARGUMENT_ERROR; + break; + } + return err; +} + +int +pgp_set_s2k_count(PGP_Context *ctx, int count) +{ + if (ctx->s2k_mode == PGP_S2K_ISALTED && count >= 1024 && count <= 65011712) + { + ctx->s2k_count = count; + return PXE_OK; + } + return PXE_ARGUMENT_ERROR; +} + +int +pgp_set_compress_algo(PGP_Context *ctx, int algo) +{ + switch (algo) + { + case PGP_COMPR_NONE: + case PGP_COMPR_ZIP: + case PGP_COMPR_ZLIB: + case PGP_COMPR_BZIP2: + ctx->compress_algo = algo; + return 0; + } + return PXE_ARGUMENT_ERROR; +} + +int +pgp_set_compress_level(PGP_Context *ctx, int level) +{ + if (level >= 0 && level <= 9) + { + ctx->compress_level = level; + return 0; + } + return PXE_ARGUMENT_ERROR; +} + +int +pgp_set_text_mode(PGP_Context *ctx, int mode) +{ + ctx->text_mode = mode; + return 0; +} + +int +pgp_set_cipher_algo(PGP_Context *ctx, const char *name) +{ + int code = pgp_get_cipher_code(name); + + if (code < 0) + return code; + ctx->cipher_algo = code; + return 0; +} + +int +pgp_set_s2k_cipher_algo(PGP_Context *ctx, const char *name) +{ + int code = pgp_get_cipher_code(name); + + if (code < 0) + return code; + ctx->s2k_cipher_algo = code; + return 0; +} + +int +pgp_set_s2k_digest_algo(PGP_Context *ctx, const char *name) +{ + int code = pgp_get_digest_code(name); + + if (code < 0) + return code; + ctx->s2k_digest_algo = code; + return 0; +} + +int +pgp_get_unicode_mode(PGP_Context *ctx) +{ + return ctx->unicode_mode; +} + +int +pgp_set_unicode_mode(PGP_Context *ctx, int mode) +{ + ctx->unicode_mode = mode ? 1 : 0; + return 0; +} + +int +pgp_set_symkey(PGP_Context *ctx, const uint8 *key, int len) +{ + if (key == NULL || len < 1) + return PXE_ARGUMENT_ERROR; + ctx->sym_key = key; + ctx->sym_key_len = len; + return 0; +} diff --git a/contrib/pgcrypto/pgp.h b/contrib/pgcrypto/pgp.h new file mode 100644 index 0000000..f338523 --- /dev/null +++ b/contrib/pgcrypto/pgp.h @@ -0,0 +1,327 @@ +/* + * pgp.h + * OpenPGP implementation. + * + * Copyright (c) 2005 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/pgp.h + */ + +#include "lib/stringinfo.h" + +#include "mbuf.h" +#include "px.h" + +enum PGP_S2K_TYPE +{ + PGP_S2K_SIMPLE = 0, + PGP_S2K_SALTED = 1, + PGP_S2K_ISALTED = 3 +}; + +enum PGP_PKT_TYPE +{ + PGP_PKT_RESERVED = 0, + PGP_PKT_PUBENCRYPTED_SESSKEY = 1, + PGP_PKT_SIGNATURE = 2, + PGP_PKT_SYMENCRYPTED_SESSKEY = 3, + PGP_PKT_SECRET_KEY = 5, + PGP_PKT_PUBLIC_KEY = 6, + PGP_PKT_SECRET_SUBKEY = 7, + PGP_PKT_COMPRESSED_DATA = 8, + PGP_PKT_SYMENCRYPTED_DATA = 9, + PGP_PKT_MARKER = 10, + PGP_PKT_LITERAL_DATA = 11, + PGP_PKT_TRUST = 12, + PGP_PKT_USER_ID = 13, + PGP_PKT_PUBLIC_SUBKEY = 14, + PGP_PKT_USER_ATTR = 17, + PGP_PKT_SYMENCRYPTED_DATA_MDC = 18, + PGP_PKT_MDC = 19, + PGP_PKT_PRIV_61 = 61 /* occurs in gpg secring */ +}; + +enum PGP_PUB_ALGO_TYPE +{ + PGP_PUB_RSA_ENCRYPT_SIGN = 1, + PGP_PUB_RSA_ENCRYPT = 2, + PGP_PUB_RSA_SIGN = 3, + PGP_PUB_ELG_ENCRYPT = 16, + PGP_PUB_DSA_SIGN = 17 +}; + +enum PGP_SYMENC_TYPE +{ + PGP_SYM_PLAIN = 0, /* ?? */ + PGP_SYM_IDEA = 1, /* obsolete, PGP 2.6 compat */ + PGP_SYM_DES3 = 2, /* must */ + PGP_SYM_CAST5 = 3, /* should */ + PGP_SYM_BLOWFISH = 4, + PGP_SYM_SAFER_SK128 = 5, /* obsolete */ + PGP_SYM_DES_SK = 6, /* obsolete */ + PGP_SYM_AES_128 = 7, /* should */ + PGP_SYM_AES_192 = 8, + PGP_SYM_AES_256 = 9, + PGP_SYM_TWOFISH = 10 +}; + +enum PGP_COMPR_TYPE +{ + PGP_COMPR_NONE = 0, /* must */ + PGP_COMPR_ZIP = 1, /* should */ + PGP_COMPR_ZLIB = 2, + PGP_COMPR_BZIP2 = 3 +}; + +enum PGP_DIGEST_TYPE +{ + PGP_DIGEST_MD5 = 1, /* should, deprecated */ + PGP_DIGEST_SHA1 = 2, /* must */ + PGP_DIGEST_RIPEMD160 = 3, + PGP_DIGEST_XSHA = 4, /* obsolete */ + PGP_DIGEST_MD2 = 5, /* obsolete */ + PGP_DIGEST_TIGER192 = 6, /* obsolete */ + PGP_DIGEST_HAVAL5_160 = 7, /* obsolete */ + PGP_DIGEST_SHA256 = 8, + PGP_DIGEST_SHA384 = 9, + PGP_DIGEST_SHA512 = 10 +}; + +#define PGP_MAX_KEY (256/8) +#define PGP_MAX_BLOCK (256/8) +#define PGP_MAX_DIGEST (512/8) +#define PGP_S2K_SALT 8 + +typedef struct PGP_MPI PGP_MPI; +typedef struct PGP_PubKey PGP_PubKey; +typedef struct PGP_Context PGP_Context; +typedef struct PGP_S2K PGP_S2K; + +struct PGP_S2K +{ + uint8 mode; + uint8 digest_algo; + uint8 salt[8]; + uint8 iter; /* encoded (one-octet) count */ + /* calculated: */ + uint8 key[PGP_MAX_KEY]; + uint8 key_len; +}; + + +struct PGP_Context +{ + /* + * parameters + */ + PGP_S2K s2k; + int s2k_mode; + int s2k_count; /* 4-byte decoded count */ + int s2k_digest_algo; + int s2k_cipher_algo; + int cipher_algo; + int compress_algo; + int compress_level; + int disable_mdc; + int use_sess_key; + int text_mode; + int convert_crlf; + int unicode_mode; + + /* + * internal variables + */ + int mdc_checked; + int corrupt_prefix; /* prefix failed RFC 4880 "quick check" */ + int unsupported_compr; /* has bzip2 compression */ + int unexpected_binary; /* binary data seen in text_mode */ + int in_mdc_pkt; + int use_mdcbuf_filter; + PX_MD *mdc_ctx; + + PGP_PubKey *pub_key; /* ctx owns it */ + const uint8 *sym_key; /* ctx does not own it */ + int sym_key_len; + + /* + * read or generated data + */ + uint8 sess_key[PGP_MAX_KEY]; + unsigned sess_key_len; +}; + +/* from RFC 4880 3.7.1.3 */ +#define s2k_decode_count(cval) \ + (((unsigned) 16 + (cval & 15)) << ((cval >> 4) + 6)) + +struct PGP_MPI +{ + uint8 *data; + int bits; + int bytes; +}; + +struct PGP_PubKey +{ + uint8 ver; + uint8 time[4]; + uint8 algo; + + /* public part */ + union + { + struct + { + PGP_MPI *p; + PGP_MPI *g; + PGP_MPI *y; + } elg; + struct + { + PGP_MPI *n; + PGP_MPI *e; + } rsa; + struct + { + PGP_MPI *p; + PGP_MPI *q; + PGP_MPI *g; + PGP_MPI *y; + } dsa; + } pub; + + /* secret part */ + union + { + struct + { + PGP_MPI *x; + } elg; + struct + { + PGP_MPI *d; + PGP_MPI *p; + PGP_MPI *q; + PGP_MPI *u; + } rsa; + struct + { + PGP_MPI *x; + } dsa; + } sec; + + uint8 key_id[8]; + int can_encrypt; +}; + +int pgp_init(PGP_Context **ctx); +int pgp_encrypt(PGP_Context *ctx, MBuf *src, MBuf *dst); +int pgp_decrypt(PGP_Context *ctx, MBuf *src, MBuf *dst); +int pgp_free(PGP_Context *ctx); + +int pgp_get_digest_code(const char *name); +int pgp_get_cipher_code(const char *name); +const char *pgp_get_digest_name(int code); +const char *pgp_get_cipher_name(int code); + +int pgp_set_cipher_algo(PGP_Context *ctx, const char *name); +int pgp_set_s2k_mode(PGP_Context *ctx, int type); +int pgp_set_s2k_count(PGP_Context *ctx, int count); +int pgp_set_s2k_cipher_algo(PGP_Context *ctx, const char *name); +int pgp_set_s2k_digest_algo(PGP_Context *ctx, const char *name); +int pgp_set_convert_crlf(PGP_Context *ctx, int doit); +int pgp_disable_mdc(PGP_Context *ctx, int disable); +int pgp_set_sess_key(PGP_Context *ctx, int use); +int pgp_set_compress_algo(PGP_Context *ctx, int algo); +int pgp_set_compress_level(PGP_Context *ctx, int level); +int pgp_set_text_mode(PGP_Context *ctx, int mode); +int pgp_set_unicode_mode(PGP_Context *ctx, int mode); +int pgp_get_unicode_mode(PGP_Context *ctx); + +int pgp_set_symkey(PGP_Context *ctx, const uint8 *key, int klen); +int pgp_set_pubkey(PGP_Context *ctx, MBuf *keypkt, + const uint8 *key, int klen, int pubtype); + +int pgp_get_keyid(MBuf *pgp_data, char *dst); + +/* internal functions */ + +int pgp_load_digest(int c, PX_MD **res); +int pgp_load_cipher(int c, PX_Cipher **res); +int pgp_get_cipher_key_size(int c); +int pgp_get_cipher_block_size(int c); + +int pgp_s2k_fill(PGP_S2K *s2k, int mode, int digest_algo, int count); +int pgp_s2k_read(PullFilter *src, PGP_S2K *s2k); +int pgp_s2k_process(PGP_S2K *s2k, int cipher, const uint8 *key, int klen); + +typedef struct PGP_CFB PGP_CFB; +int pgp_cfb_create(PGP_CFB **ctx_p, int algo, + const uint8 *key, int key_len, int resync, uint8 *iv); +void pgp_cfb_free(PGP_CFB *ctx); +int pgp_cfb_encrypt(PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst); +int pgp_cfb_decrypt(PGP_CFB *ctx, const uint8 *data, int len, uint8 *dst); + +void pgp_armor_encode(const uint8 *src, unsigned len, StringInfo dst, + int num_headers, char **keys, char **values); +int pgp_armor_decode(const uint8 *src, int len, StringInfo dst); +int pgp_extract_armor_headers(const uint8 *src, unsigned len, + int *nheaders, char ***keys, char ***values); + +int pgp_compress_filter(PushFilter **res, PGP_Context *ctx, PushFilter *dst); +int pgp_decompress_filter(PullFilter **res, PGP_Context *ctx, PullFilter *src); + +int pgp_key_alloc(PGP_PubKey **pk_p); +void pgp_key_free(PGP_PubKey *pk); +int _pgp_read_public_key(PullFilter *pkt, PGP_PubKey **pk_p); + +int pgp_parse_pubenc_sesskey(PGP_Context *ctx, PullFilter *pkt); +int pgp_create_pkt_reader(PullFilter **pf_p, PullFilter *src, int len, + int pkttype, PGP_Context *ctx); +int pgp_parse_pkt_hdr(PullFilter *src, uint8 *tag, int *len_p, + int allow_ctx); + +int pgp_skip_packet(PullFilter *pkt); +int pgp_expect_packet_end(PullFilter *pkt); + +int pgp_write_pubenc_sesskey(PGP_Context *ctx, PushFilter *dst); +int pgp_create_pkt_writer(PushFilter *dst, int tag, PushFilter **res_p); + +int pgp_mpi_alloc(int bits, PGP_MPI **mpi); +int pgp_mpi_create(uint8 *data, int bits, PGP_MPI **mpi); +int pgp_mpi_free(PGP_MPI *mpi); +int pgp_mpi_read(PullFilter *src, PGP_MPI **mpi); +int pgp_mpi_write(PushFilter *dst, PGP_MPI *n); +int pgp_mpi_hash(PX_MD *md, PGP_MPI *n); +unsigned pgp_mpi_cksum(unsigned cksum, PGP_MPI *n); + +int pgp_elgamal_encrypt(PGP_PubKey *pk, PGP_MPI *m, + PGP_MPI **c1, PGP_MPI **c2); +int pgp_elgamal_decrypt(PGP_PubKey *pk, PGP_MPI *c1, PGP_MPI *c2, + PGP_MPI **m); +int pgp_rsa_encrypt(PGP_PubKey *pk, PGP_MPI *m, PGP_MPI **c); +int pgp_rsa_decrypt(PGP_PubKey *pk, PGP_MPI *c, PGP_MPI **m); + +extern struct PullFilterOps pgp_decrypt_filter; diff --git a/contrib/pgcrypto/px-crypt.c b/contrib/pgcrypto/px-crypt.c new file mode 100644 index 0000000..0913ff2 --- /dev/null +++ b/contrib/pgcrypto/px-crypt.c @@ -0,0 +1,164 @@ +/* + * px-crypt.c + * Wrapper for various crypt algorithms. + * + * Copyright (c) 2001 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/px-crypt.c + */ + +#include "postgres.h" + +#include "px-crypt.h" +#include "px.h" + +static char * +run_crypt_des(const char *psw, const char *salt, + char *buf, unsigned len) +{ + char *res; + + res = px_crypt_des(psw, salt); + if (res == NULL || strlen(res) > len - 1) + return NULL; + strcpy(buf, res); + return buf; +} + +static char * +run_crypt_md5(const char *psw, const char *salt, + char *buf, unsigned len) +{ + char *res; + + res = px_crypt_md5(psw, salt, buf, len); + return res; +} + +static char * +run_crypt_bf(const char *psw, const char *salt, + char *buf, unsigned len) +{ + char *res; + + res = _crypt_blowfish_rn(psw, salt, buf, len); + return res; +} + +struct px_crypt_algo +{ + char *id; + unsigned id_len; + char *(*crypt) (const char *psw, const char *salt, + char *buf, unsigned len); +}; + +static const struct px_crypt_algo + px_crypt_list[] = { + {"$2a$", 4, run_crypt_bf}, + {"$2x$", 4, run_crypt_bf}, + {"$2$", 3, NULL}, /* N/A */ + {"$1$", 3, run_crypt_md5}, + {"_", 1, run_crypt_des}, + {"", 0, run_crypt_des}, + {NULL, 0, NULL} +}; + +char * +px_crypt(const char *psw, const char *salt, char *buf, unsigned len) +{ + const struct px_crypt_algo *c; + + for (c = px_crypt_list; c->id; c++) + { + if (!c->id_len) + break; + if (strncmp(salt, c->id, c->id_len) == 0) + break; + } + + if (c->crypt == NULL) + return NULL; + + return c->crypt(psw, salt, buf, len); +} + +/* + * salt generators + */ + +struct generator +{ + char *name; + char *(*gen) (unsigned long count, const char *input, int size, + char *output, int output_size); + int input_len; + int def_rounds; + int min_rounds; + int max_rounds; +}; + +static struct generator gen_list[] = { + {"des", _crypt_gensalt_traditional_rn, 2, 0, 0, 0}, + {"md5", _crypt_gensalt_md5_rn, 6, 0, 0, 0}, + {"xdes", _crypt_gensalt_extended_rn, 3, PX_XDES_ROUNDS, 1, 0xFFFFFF}, + {"bf", _crypt_gensalt_blowfish_rn, 16, PX_BF_ROUNDS, 4, 31}, + {NULL, NULL, 0, 0, 0, 0} +}; + +int +px_gen_salt(const char *salt_type, char *buf, int rounds) +{ + struct generator *g; + char *p; + char rbuf[16]; + + for (g = gen_list; g->name; g++) + if (pg_strcasecmp(g->name, salt_type) == 0) + break; + + if (g->name == NULL) + return PXE_UNKNOWN_SALT_ALGO; + + if (g->def_rounds) + { + if (rounds == 0) + rounds = g->def_rounds; + + if (rounds < g->min_rounds || rounds > g->max_rounds) + return PXE_BAD_SALT_ROUNDS; + } + + if (!pg_strong_random(rbuf, g->input_len)) + return PXE_NO_RANDOM; + + p = g->gen(rounds, rbuf, g->input_len, buf, PX_MAX_SALT_LEN); + px_memset(rbuf, 0, sizeof(rbuf)); + + if (p == NULL) + return PXE_BAD_SALT_ROUNDS; + + return strlen(p); +} diff --git a/contrib/pgcrypto/px-crypt.h b/contrib/pgcrypto/px-crypt.h new file mode 100644 index 0000000..08001a8 --- /dev/null +++ b/contrib/pgcrypto/px-crypt.h @@ -0,0 +1,82 @@ +/* + * px-crypt.h + * Header file for px_crypt(). + * + * Copyright (c) 2001 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/px-crypt.h + */ + +#ifndef _PX_CRYPT_H +#define _PX_CRYPT_H + +/* max room for result */ +#define PX_MAX_CRYPT 128 + +/* max salt returned by gen_salt() */ +#define PX_MAX_SALT_LEN 128 + +/* default rounds for xdes salt */ +/* NetBSD bin/passwd/local_passwd.c has (29 * 25)*/ +#define PX_XDES_ROUNDS (29 * 25) + +/* default for blowfish salt */ +#define PX_BF_ROUNDS 6 + +/* + * main interface + */ +char *px_crypt(const char *psw, const char *salt, char *buf, unsigned buflen); +int px_gen_salt(const char *salt_type, char *dst, int rounds); + +/* + * internal functions + */ + +/* crypt-gensalt.c */ +char *_crypt_gensalt_traditional_rn(unsigned long count, + const char *input, int size, char *output, int output_size); +char *_crypt_gensalt_extended_rn(unsigned long count, + const char *input, int size, char *output, int output_size); +char *_crypt_gensalt_md5_rn(unsigned long count, + const char *input, int size, char *output, int output_size); +char *_crypt_gensalt_blowfish_rn(unsigned long count, + const char *input, int size, char *output, int output_size); + +/* disable 'extended DES crypt' */ +/* #define DISABLE_XDES */ + +/* crypt-blowfish.c */ +char *_crypt_blowfish_rn(const char *key, const char *setting, + char *output, int size); + +/* crypt-des.c */ +char *px_crypt_des(const char *key, const char *setting); + +/* crypt-md5.c */ +char *px_crypt_md5(const char *pw, const char *salt, + char *dst, unsigned dstlen); + +#endif /* _PX_CRYPT_H */ diff --git a/contrib/pgcrypto/px-hmac.c b/contrib/pgcrypto/px-hmac.c new file mode 100644 index 0000000..06e5148 --- /dev/null +++ b/contrib/pgcrypto/px-hmac.c @@ -0,0 +1,177 @@ +/* + * px-hmac.c + * HMAC implementation. + * + * Copyright (c) 2001 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/px-hmac.c + */ + +#include "postgres.h" + +#include "px.h" + +#define HMAC_IPAD 0x36 +#define HMAC_OPAD 0x5C + +static unsigned +hmac_result_size(PX_HMAC *h) +{ + return px_md_result_size(h->md); +} + +static unsigned +hmac_block_size(PX_HMAC *h) +{ + return px_md_block_size(h->md); +} + +static void +hmac_init(PX_HMAC *h, const uint8 *key, unsigned klen) +{ + unsigned bs, + i; + uint8 *keybuf; + PX_MD *md = h->md; + + bs = px_md_block_size(md); + keybuf = px_alloc(bs); + memset(keybuf, 0, bs); + + if (klen > bs) + { + px_md_update(md, key, klen); + px_md_finish(md, keybuf); + px_md_reset(md); + } + else + memcpy(keybuf, key, klen); + + for (i = 0; i < bs; i++) + { + h->p.ipad[i] = keybuf[i] ^ HMAC_IPAD; + h->p.opad[i] = keybuf[i] ^ HMAC_OPAD; + } + + px_memset(keybuf, 0, bs); + px_free(keybuf); + + px_md_update(md, h->p.ipad, bs); +} + +static void +hmac_reset(PX_HMAC *h) +{ + PX_MD *md = h->md; + unsigned bs = px_md_block_size(md); + + px_md_reset(md); + px_md_update(md, h->p.ipad, bs); +} + +static void +hmac_update(PX_HMAC *h, const uint8 *data, unsigned dlen) +{ + px_md_update(h->md, data, dlen); +} + +static void +hmac_finish(PX_HMAC *h, uint8 *dst) +{ + PX_MD *md = h->md; + unsigned bs, + hlen; + uint8 *buf; + + bs = px_md_block_size(md); + hlen = px_md_result_size(md); + + buf = px_alloc(hlen); + + px_md_finish(md, buf); + + px_md_reset(md); + px_md_update(md, h->p.opad, bs); + px_md_update(md, buf, hlen); + px_md_finish(md, dst); + + px_memset(buf, 0, hlen); + px_free(buf); +} + +static void +hmac_free(PX_HMAC *h) +{ + unsigned bs; + + bs = px_md_block_size(h->md); + px_md_free(h->md); + + px_memset(h->p.ipad, 0, bs); + px_memset(h->p.opad, 0, bs); + px_free(h->p.ipad); + px_free(h->p.opad); + px_free(h); +} + + +/* PUBLIC FUNCTIONS */ + +int +px_find_hmac(const char *name, PX_HMAC **res) +{ + int err; + PX_MD *md; + PX_HMAC *h; + unsigned bs; + + err = px_find_digest(name, &md); + if (err) + return err; + + bs = px_md_block_size(md); + if (bs < 2) + { + px_md_free(md); + return PXE_HASH_UNUSABLE_FOR_HMAC; + } + + h = px_alloc(sizeof(*h)); + h->p.ipad = px_alloc(bs); + h->p.opad = px_alloc(bs); + h->md = md; + + h->result_size = hmac_result_size; + h->block_size = hmac_block_size; + h->reset = hmac_reset; + h->update = hmac_update; + h->finish = hmac_finish; + h->free = hmac_free; + h->init = hmac_init; + + *res = h; + + return 0; +} diff --git a/contrib/pgcrypto/px.c b/contrib/pgcrypto/px.c new file mode 100644 index 0000000..0f02fb5 --- /dev/null +++ b/contrib/pgcrypto/px.c @@ -0,0 +1,460 @@ +/* + * px.c + * Various cryptographic stuff for PostgreSQL. + * + * Copyright (c) 2001 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/px.c + */ + +#include "postgres.h" + +#include "px.h" + +struct error_desc +{ + int err; + const char *desc; +}; + +static const struct error_desc px_err_list[] = { + {PXE_OK, "Everything ok"}, + {PXE_ERR_GENERIC, "Some PX error (not specified)"}, + {PXE_NO_HASH, "No such hash algorithm"}, + {PXE_NO_CIPHER, "No such cipher algorithm"}, + {PXE_NOTBLOCKSIZE, "Data not a multiple of block size"}, + {PXE_BAD_OPTION, "Unknown option"}, + {PXE_BAD_FORMAT, "Badly formatted type"}, + {PXE_KEY_TOO_BIG, "Key was too big"}, + {PXE_CIPHER_INIT, "Cipher cannot be initialized ?"}, + {PXE_HASH_UNUSABLE_FOR_HMAC, "This hash algorithm is unusable for HMAC"}, + {PXE_DEV_READ_ERROR, "Error reading from random device"}, + {PXE_BUG, "pgcrypto bug"}, + {PXE_ARGUMENT_ERROR, "Illegal argument to function"}, + {PXE_UNKNOWN_SALT_ALGO, "Unknown salt algorithm"}, + {PXE_BAD_SALT_ROUNDS, "Incorrect number of rounds"}, + {PXE_MCRYPT_INTERNAL, "mcrypt internal error"}, + {PXE_NO_RANDOM, "Failed to generate strong random bits"}, + {PXE_DECRYPT_FAILED, "Decryption failed"}, + {PXE_PGP_CORRUPT_DATA, "Wrong key or corrupt data"}, + {PXE_PGP_CORRUPT_ARMOR, "Corrupt ascii-armor"}, + {PXE_PGP_UNSUPPORTED_COMPR, "Unsupported compression algorithm"}, + {PXE_PGP_UNSUPPORTED_CIPHER, "Unsupported cipher algorithm"}, + {PXE_PGP_UNSUPPORTED_HASH, "Unsupported digest algorithm"}, + {PXE_PGP_COMPRESSION_ERROR, "Compression error"}, + {PXE_PGP_NOT_TEXT, "Not text data"}, + {PXE_PGP_UNEXPECTED_PKT, "Unexpected packet in key data"}, + {PXE_PGP_MATH_FAILED, "Math operation failed"}, + {PXE_PGP_SHORT_ELGAMAL_KEY, "Elgamal keys must be at least 1024 bits long"}, + {PXE_PGP_UNKNOWN_PUBALGO, "Unknown public-key encryption algorithm"}, + {PXE_PGP_WRONG_KEY, "Wrong key"}, + {PXE_PGP_MULTIPLE_KEYS, + "Several keys given - pgcrypto does not handle keyring"}, + {PXE_PGP_EXPECT_PUBLIC_KEY, "Refusing to encrypt with secret key"}, + {PXE_PGP_EXPECT_SECRET_KEY, "Cannot decrypt with public key"}, + {PXE_PGP_NOT_V4_KEYPKT, "Only V4 key packets are supported"}, + {PXE_PGP_KEYPKT_CORRUPT, "Corrupt key packet"}, + {PXE_PGP_NO_USABLE_KEY, "No encryption key found"}, + {PXE_PGP_NEED_SECRET_PSW, "Need password for secret key"}, + {PXE_PGP_BAD_S2K_MODE, "Bad S2K mode"}, + {PXE_PGP_UNSUPPORTED_PUBALGO, "Unsupported public key algorithm"}, + {PXE_PGP_MULTIPLE_SUBKEYS, "Several subkeys not supported"}, + + {0, NULL}, +}; + +/* + * Call ereport(ERROR, ...), with an error code and message corresponding to + * the PXE_* error code given as argument. + * + * This is similar to px_strerror(err), but for some errors, we fill in the + * error code and detail fields more appropriately. + */ +void +px_THROW_ERROR(int err) +{ + if (err == PXE_NO_RANDOM) + { + ereport(ERROR, + (errcode(ERRCODE_INTERNAL_ERROR), + errmsg("could not generate a random number"))); + } + else + { + /* For other errors, use the message from the above list. */ + ereport(ERROR, + (errcode(ERRCODE_EXTERNAL_ROUTINE_INVOCATION_EXCEPTION), + errmsg("%s", px_strerror(err)))); + } +} + +const char * +px_strerror(int err) +{ + const struct error_desc *e; + + for (e = px_err_list; e->desc; e++) + if (e->err == err) + return e->desc; + return "Bad error code"; +} + +/* memset that must not be optimized away */ +void +px_memset(void *ptr, int c, size_t len) +{ + memset(ptr, c, len); +} + +const char * +px_resolve_alias(const PX_Alias *list, const char *name) +{ + while (list->name) + { + if (pg_strcasecmp(list->alias, name) == 0) + return list->name; + list++; + } + return name; +} + +static void (*debug_handler) (const char *) = NULL; + +void +px_set_debug_handler(void (*handler) (const char *)) +{ + debug_handler = handler; +} + +void +px_debug(const char *fmt,...) +{ + va_list ap; + + va_start(ap, fmt); + if (debug_handler) + { + char buf[512]; + + vsnprintf(buf, sizeof(buf), fmt, ap); + debug_handler(buf); + } + va_end(ap); +} + +/* + * combo - cipher + padding (+ checksum) + */ + +static unsigned +combo_encrypt_len(PX_Combo *cx, unsigned dlen) +{ + return dlen + 512; +} + +static unsigned +combo_decrypt_len(PX_Combo *cx, unsigned dlen) +{ + return dlen; +} + +static int +combo_init(PX_Combo *cx, const uint8 *key, unsigned klen, + const uint8 *iv, unsigned ivlen) +{ + int err; + unsigned ks, + ivs; + PX_Cipher *c = cx->cipher; + uint8 *ivbuf = NULL; + uint8 *keybuf; + + ks = px_cipher_key_size(c); + + ivs = px_cipher_iv_size(c); + if (ivs > 0) + { + ivbuf = px_alloc(ivs); + memset(ivbuf, 0, ivs); + if (ivlen > ivs) + memcpy(ivbuf, iv, ivs); + else + memcpy(ivbuf, iv, ivlen); + } + + if (klen > ks) + klen = ks; + keybuf = px_alloc(ks); + memset(keybuf, 0, ks); + memcpy(keybuf, key, klen); + + err = px_cipher_init(c, keybuf, klen, ivbuf); + + if (ivbuf) + px_free(ivbuf); + px_free(keybuf); + + return err; +} + +static int +combo_encrypt(PX_Combo *cx, const uint8 *data, unsigned dlen, + uint8 *res, unsigned *rlen) +{ + int err = 0; + uint8 *bbuf; + unsigned bs, + bpos, + i, + pad; + + PX_Cipher *c = cx->cipher; + + bbuf = NULL; + bs = px_cipher_block_size(c); + + /* encrypt */ + if (bs > 1) + { + bbuf = px_alloc(bs * 4); + bpos = dlen % bs; + *rlen = dlen - bpos; + memcpy(bbuf, data + *rlen, bpos); + + /* encrypt full-block data */ + if (*rlen) + { + err = px_cipher_encrypt(c, data, *rlen, res); + if (err) + goto out; + } + + /* bbuf has now bpos bytes of stuff */ + if (cx->padding) + { + pad = bs - (bpos % bs); + for (i = 0; i < pad; i++) + bbuf[bpos++] = pad; + } + else if (bpos % bs) + { + /* ERROR? */ + pad = bs - (bpos % bs); + for (i = 0; i < pad; i++) + bbuf[bpos++] = 0; + } + + /* encrypt the rest - pad */ + if (bpos) + { + err = px_cipher_encrypt(c, bbuf, bpos, res + *rlen); + *rlen += bpos; + } + } + else + { + /* stream cipher/mode - no pad needed */ + err = px_cipher_encrypt(c, data, dlen, res); + if (err) + goto out; + *rlen = dlen; + } +out: + if (bbuf) + px_free(bbuf); + + return err; +} + +static int +combo_decrypt(PX_Combo *cx, const uint8 *data, unsigned dlen, + uint8 *res, unsigned *rlen) +{ + unsigned bs, + i, + pad; + unsigned pad_ok; + + PX_Cipher *c = cx->cipher; + + /* decide whether zero-length input is allowed */ + if (dlen == 0) + { + /* with padding, empty ciphertext is not allowed */ + if (cx->padding) + return PXE_DECRYPT_FAILED; + + /* without padding, report empty result */ + *rlen = 0; + return 0; + } + + bs = px_cipher_block_size(c); + if (bs > 1 && (dlen % bs) != 0) + goto block_error; + + /* decrypt */ + *rlen = dlen; + px_cipher_decrypt(c, data, dlen, res); + + /* unpad */ + if (bs > 1 && cx->padding) + { + pad = res[*rlen - 1]; + pad_ok = 0; + if (pad > 0 && pad <= bs && pad <= *rlen) + { + pad_ok = 1; + for (i = *rlen - pad; i < *rlen; i++) + if (res[i] != pad) + { + pad_ok = 0; + break; + } + } + + if (pad_ok) + *rlen -= pad; + } + + return 0; + +block_error: + return PXE_NOTBLOCKSIZE; +} + +static void +combo_free(PX_Combo *cx) +{ + if (cx->cipher) + px_cipher_free(cx->cipher); + px_memset(cx, 0, sizeof(*cx)); + px_free(cx); +} + +/* PARSER */ + +static int +parse_cipher_name(char *full, char **cipher, char **pad) +{ + char *p, + *p2, + *q; + + *cipher = full; + *pad = NULL; + + p = strchr(full, '/'); + if (p != NULL) + *p++ = 0; + while (p != NULL) + { + if ((q = strchr(p, '/')) != NULL) + *q++ = 0; + + if (!*p) + { + p = q; + continue; + } + p2 = strchr(p, ':'); + if (p2 != NULL) + { + *p2++ = 0; + if (strcmp(p, "pad") == 0) + *pad = p2; + else + return PXE_BAD_OPTION; + } + else + return PXE_BAD_FORMAT; + + p = q; + } + return 0; +} + +/* provider */ + +int +px_find_combo(const char *name, PX_Combo **res) +{ + int err; + char *buf, + *s_cipher, + *s_pad; + + PX_Combo *cx; + + cx = px_alloc(sizeof(*cx)); + memset(cx, 0, sizeof(*cx)); + + buf = px_alloc(strlen(name) + 1); + strcpy(buf, name); + + err = parse_cipher_name(buf, &s_cipher, &s_pad); + if (err) + { + px_free(buf); + px_free(cx); + return err; + } + + err = px_find_cipher(s_cipher, &cx->cipher); + if (err) + goto err1; + + if (s_pad != NULL) + { + if (strcmp(s_pad, "pkcs") == 0) + cx->padding = 1; + else if (strcmp(s_pad, "none") == 0) + cx->padding = 0; + else + goto err1; + } + else + cx->padding = 1; + + cx->init = combo_init; + cx->encrypt = combo_encrypt; + cx->decrypt = combo_decrypt; + cx->encrypt_len = combo_encrypt_len; + cx->decrypt_len = combo_decrypt_len; + cx->free = combo_free; + + px_free(buf); + + *res = cx; + + return 0; + +err1: + if (cx->cipher) + px_cipher_free(cx->cipher); + px_free(cx); + px_free(buf); + return PXE_NO_CIPHER; +} diff --git a/contrib/pgcrypto/px.h b/contrib/pgcrypto/px.h new file mode 100644 index 0000000..0d4722a --- /dev/null +++ b/contrib/pgcrypto/px.h @@ -0,0 +1,239 @@ +/* + * px.h + * Header file for pgcrypto. + * + * Copyright (c) 2001 Marko Kreen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/px.h + */ + +#ifndef __PX_H +#define __PX_H + +#include + +/* keep debug messages? */ +#define PX_DEBUG + +/* a way to disable palloc + * - useful if compiled into standalone + */ +#ifndef PX_OWN_ALLOC +#define px_alloc(s) palloc(s) +#define px_realloc(p, s) repalloc(p, s) +#define px_free(p) pfree(p) +#else +void *px_alloc(size_t s); +void *px_realloc(void *p, size_t s); +void px_free(void *p); +#endif + +/* max salt returned */ +#define PX_MAX_SALT_LEN 128 + +/* + * PX error codes + */ +#define PXE_OK 0 +#define PXE_ERR_GENERIC -1 +#define PXE_NO_HASH -2 +#define PXE_NO_CIPHER -3 +#define PXE_NOTBLOCKSIZE -4 +#define PXE_BAD_OPTION -5 +#define PXE_BAD_FORMAT -6 +#define PXE_KEY_TOO_BIG -7 +#define PXE_CIPHER_INIT -8 +#define PXE_HASH_UNUSABLE_FOR_HMAC -9 +#define PXE_DEV_READ_ERROR -10 +#define PXE_BUG -12 +#define PXE_ARGUMENT_ERROR -13 +#define PXE_UNKNOWN_SALT_ALGO -14 +#define PXE_BAD_SALT_ROUNDS -15 +#define PXE_MCRYPT_INTERNAL -16 +#define PXE_NO_RANDOM -17 +#define PXE_DECRYPT_FAILED -18 + +#define PXE_PGP_CORRUPT_DATA -100 +#define PXE_PGP_CORRUPT_ARMOR -101 +#define PXE_PGP_UNSUPPORTED_COMPR -102 +#define PXE_PGP_UNSUPPORTED_CIPHER -103 +#define PXE_PGP_UNSUPPORTED_HASH -104 +#define PXE_PGP_COMPRESSION_ERROR -105 +#define PXE_PGP_NOT_TEXT -106 +#define PXE_PGP_UNEXPECTED_PKT -107 +/* -108 is unused */ +#define PXE_PGP_MATH_FAILED -109 +#define PXE_PGP_SHORT_ELGAMAL_KEY -110 +/* -111 is unused */ +#define PXE_PGP_UNKNOWN_PUBALGO -112 +#define PXE_PGP_WRONG_KEY -113 +#define PXE_PGP_MULTIPLE_KEYS -114 +#define PXE_PGP_EXPECT_PUBLIC_KEY -115 +#define PXE_PGP_EXPECT_SECRET_KEY -116 +#define PXE_PGP_NOT_V4_KEYPKT -117 +#define PXE_PGP_KEYPKT_CORRUPT -118 +#define PXE_PGP_NO_USABLE_KEY -119 +#define PXE_PGP_NEED_SECRET_PSW -120 +#define PXE_PGP_BAD_S2K_MODE -121 +#define PXE_PGP_UNSUPPORTED_PUBALGO -122 +#define PXE_PGP_MULTIPLE_SUBKEYS -123 + + +typedef struct px_digest PX_MD; +typedef struct px_alias PX_Alias; +typedef struct px_hmac PX_HMAC; +typedef struct px_cipher PX_Cipher; +typedef struct px_combo PX_Combo; + +struct px_digest +{ + unsigned (*result_size) (PX_MD *h); + unsigned (*block_size) (PX_MD *h); + void (*reset) (PX_MD *h); + void (*update) (PX_MD *h, const uint8 *data, unsigned dlen); + void (*finish) (PX_MD *h, uint8 *dst); + void (*free) (PX_MD *h); + /* private */ + union + { + unsigned code; + void *ptr; + } p; +}; + +struct px_alias +{ + char *alias; + char *name; +}; + +struct px_hmac +{ + unsigned (*result_size) (PX_HMAC *h); + unsigned (*block_size) (PX_HMAC *h); + void (*reset) (PX_HMAC *h); + void (*update) (PX_HMAC *h, const uint8 *data, unsigned dlen); + void (*finish) (PX_HMAC *h, uint8 *dst); + void (*free) (PX_HMAC *h); + void (*init) (PX_HMAC *h, const uint8 *key, unsigned klen); + + PX_MD *md; + /* private */ + struct + { + uint8 *ipad; + uint8 *opad; + } p; +}; + +struct px_cipher +{ + unsigned (*block_size) (PX_Cipher *c); + unsigned (*key_size) (PX_Cipher *c); /* max key len */ + unsigned (*iv_size) (PX_Cipher *c); + + int (*init) (PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv); + int (*encrypt) (PX_Cipher *c, const uint8 *data, unsigned dlen, uint8 *res); + int (*decrypt) (PX_Cipher *c, const uint8 *data, unsigned dlen, uint8 *res); + void (*free) (PX_Cipher *c); + /* private */ + void *ptr; + int pstat; /* mcrypt uses it */ +}; + +struct px_combo +{ + int (*init) (PX_Combo *cx, const uint8 *key, unsigned klen, + const uint8 *iv, unsigned ivlen); + int (*encrypt) (PX_Combo *cx, const uint8 *data, unsigned dlen, + uint8 *res, unsigned *rlen); + int (*decrypt) (PX_Combo *cx, const uint8 *data, unsigned dlen, + uint8 *res, unsigned *rlen); + unsigned (*encrypt_len) (PX_Combo *cx, unsigned dlen); + unsigned (*decrypt_len) (PX_Combo *cx, unsigned dlen); + void (*free) (PX_Combo *cx); + + PX_Cipher *cipher; + unsigned padding; +}; + +int px_find_digest(const char *name, PX_MD **res); +int px_find_hmac(const char *name, PX_HMAC **res); +int px_find_cipher(const char *name, PX_Cipher **res); +int px_find_combo(const char *name, PX_Combo **res); + +void px_THROW_ERROR(int err) pg_attribute_noreturn(); +const char *px_strerror(int err); + +const char *px_resolve_alias(const PX_Alias *aliases, const char *name); + +void px_set_debug_handler(void (*handler) (const char *)); + +void px_memset(void *ptr, int c, size_t len); + +#ifdef PX_DEBUG +void px_debug(const char *fmt,...) pg_attribute_printf(1, 2); +#else +#define px_debug(...) +#endif + +#define px_md_result_size(md) (md)->result_size(md) +#define px_md_block_size(md) (md)->block_size(md) +#define px_md_reset(md) (md)->reset(md) +#define px_md_update(md, data, dlen) (md)->update(md, data, dlen) +#define px_md_finish(md, buf) (md)->finish(md, buf) +#define px_md_free(md) (md)->free(md) + +#define px_hmac_result_size(hmac) (hmac)->result_size(hmac) +#define px_hmac_block_size(hmac) (hmac)->block_size(hmac) +#define px_hmac_reset(hmac) (hmac)->reset(hmac) +#define px_hmac_init(hmac, key, klen) (hmac)->init(hmac, key, klen) +#define px_hmac_update(hmac, data, dlen) (hmac)->update(hmac, data, dlen) +#define px_hmac_finish(hmac, buf) (hmac)->finish(hmac, buf) +#define px_hmac_free(hmac) (hmac)->free(hmac) + + +#define px_cipher_key_size(c) (c)->key_size(c) +#define px_cipher_block_size(c) (c)->block_size(c) +#define px_cipher_iv_size(c) (c)->iv_size(c) +#define px_cipher_init(c, k, klen, iv) (c)->init(c, k, klen, iv) +#define px_cipher_encrypt(c, data, dlen, res) \ + (c)->encrypt(c, data, dlen, res) +#define px_cipher_decrypt(c, data, dlen, res) \ + (c)->decrypt(c, data, dlen, res) +#define px_cipher_free(c) (c)->free(c) + + +#define px_combo_encrypt_len(c, dlen) (c)->encrypt_len(c, dlen) +#define px_combo_decrypt_len(c, dlen) (c)->decrypt_len(c, dlen) +#define px_combo_init(c, key, klen, iv, ivlen) \ + (c)->init(c, key, klen, iv, ivlen) +#define px_combo_encrypt(c, data, dlen, res, rlen) \ + (c)->encrypt(c, data, dlen, res, rlen) +#define px_combo_decrypt(c, data, dlen, res, rlen) \ + (c)->decrypt(c, data, dlen, res, rlen) +#define px_combo_free(c) (c)->free(c) + +#endif /* __PX_H */ diff --git a/contrib/pgcrypto/rijndael.c b/contrib/pgcrypto/rijndael.c new file mode 100644 index 0000000..6938701 --- /dev/null +++ b/contrib/pgcrypto/rijndael.c @@ -0,0 +1,677 @@ +/* $OpenBSD: rijndael.c,v 1.6 2000/12/09 18:51:34 markus Exp $ */ + +/* contrib/pgcrypto/rijndael.c */ + +/* This is an independent implementation of the encryption algorithm: */ +/* */ +/* RIJNDAEL by Joan Daemen and Vincent Rijmen */ +/* */ +/* which is a candidate algorithm in the Advanced Encryption Standard */ +/* programme of the US National Institute of Standards and Technology. */ +/* */ +/* Copyright in this implementation is held by Dr B R Gladman but I */ +/* hereby give permission for its free direct or derivative use subject */ +/* to acknowledgment of its origin and compliance with any conditions */ +/* that the originators of the algorithm place on its exploitation. */ +/* */ +/* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999 */ + +/* Timing data for Rijndael (rijndael.c) + +Algorithm: rijndael (rijndael.c) + +128 bit key: +Key Setup: 305/1389 cycles (encrypt/decrypt) +Encrypt: 374 cycles = 68.4 mbits/sec +Decrypt: 352 cycles = 72.7 mbits/sec +Mean: 363 cycles = 70.5 mbits/sec + +192 bit key: +Key Setup: 277/1595 cycles (encrypt/decrypt) +Encrypt: 439 cycles = 58.3 mbits/sec +Decrypt: 425 cycles = 60.2 mbits/sec +Mean: 432 cycles = 59.3 mbits/sec + +256 bit key: +Key Setup: 374/1960 cycles (encrypt/decrypt) +Encrypt: 502 cycles = 51.0 mbits/sec +Decrypt: 498 cycles = 51.4 mbits/sec +Mean: 500 cycles = 51.2 mbits/sec + +*/ + +#include "postgres.h" + +#include + +#include "px.h" +#include "rijndael.h" + +#define PRE_CALC_TABLES +#define LARGE_TABLES + +static void gen_tabs(void); + +/* 3. Basic macros for speeding up generic operations */ + +/* Circular rotate of 32 bit values */ + +#define rotr(x,n) (((x) >> ((int)(n))) | ((x) << (32 - (int)(n)))) +#define rotl(x,n) (((x) << ((int)(n))) | ((x) >> (32 - (int)(n)))) + +/* Invert byte order in a 32 bit variable */ + +#define bswap(x) ((rotl((x), 8) & 0x00ff00ff) | (rotr((x), 8) & 0xff00ff00)) + +/* Extract byte from a 32 bit quantity (little endian notation) */ + +#define byte(x,n) ((u1byte)((x) >> (8 * (n)))) + +#ifdef WORDS_BIGENDIAN +#define io_swap(x) bswap(x) +#else +#define io_swap(x) (x) +#endif + +#ifdef PRINT_TABS +#undef PRE_CALC_TABLES +#endif + +#ifdef PRE_CALC_TABLES + +#include "rijndael.tbl" +#define tab_gen 1 +#else /* !PRE_CALC_TABLES */ + +static u1byte pow_tab[256]; +static u1byte log_tab[256]; +static u1byte sbx_tab[256]; +static u1byte isb_tab[256]; +static u4byte rco_tab[10]; +static u4byte ft_tab[4][256]; +static u4byte it_tab[4][256]; + +#ifdef LARGE_TABLES +static u4byte fl_tab[4][256]; +static u4byte il_tab[4][256]; +#endif + +static u4byte tab_gen = 0; +#endif /* !PRE_CALC_TABLES */ + +#define ff_mult(a,b) ((a) && (b) ? pow_tab[(log_tab[a] + log_tab[b]) % 255] : 0) + +#define f_rn(bo, bi, n, k) \ + (bo)[n] = ft_tab[0][byte((bi)[n],0)] ^ \ + ft_tab[1][byte((bi)[((n) + 1) & 3],1)] ^ \ + ft_tab[2][byte((bi)[((n) + 2) & 3],2)] ^ \ + ft_tab[3][byte((bi)[((n) + 3) & 3],3)] ^ *((k) + (n)) + +#define i_rn(bo, bi, n, k) \ + (bo)[n] = it_tab[0][byte((bi)[n],0)] ^ \ + it_tab[1][byte((bi)[((n) + 3) & 3],1)] ^ \ + it_tab[2][byte((bi)[((n) + 2) & 3],2)] ^ \ + it_tab[3][byte((bi)[((n) + 1) & 3],3)] ^ *((k) + (n)) + +#ifdef LARGE_TABLES + +#define ls_box(x) \ + ( fl_tab[0][byte(x, 0)] ^ \ + fl_tab[1][byte(x, 1)] ^ \ + fl_tab[2][byte(x, 2)] ^ \ + fl_tab[3][byte(x, 3)] ) + +#define f_rl(bo, bi, n, k) \ + (bo)[n] = fl_tab[0][byte((bi)[n],0)] ^ \ + fl_tab[1][byte((bi)[((n) + 1) & 3],1)] ^ \ + fl_tab[2][byte((bi)[((n) + 2) & 3],2)] ^ \ + fl_tab[3][byte((bi)[((n) + 3) & 3],3)] ^ *((k) + (n)) + +#define i_rl(bo, bi, n, k) \ + (bo)[n] = il_tab[0][byte((bi)[n],0)] ^ \ + il_tab[1][byte((bi)[((n) + 3) & 3],1)] ^ \ + il_tab[2][byte((bi)[((n) + 2) & 3],2)] ^ \ + il_tab[3][byte((bi)[((n) + 1) & 3],3)] ^ *((k) + (n)) +#else + +#define ls_box(x) \ + ((u4byte)sbx_tab[byte(x, 0)] << 0) ^ \ + ((u4byte)sbx_tab[byte(x, 1)] << 8) ^ \ + ((u4byte)sbx_tab[byte(x, 2)] << 16) ^ \ + ((u4byte)sbx_tab[byte(x, 3)] << 24) + +#define f_rl(bo, bi, n, k) \ + (bo)[n] = (u4byte)sbx_tab[byte((bi)[n],0)] ^ \ + rotl(((u4byte)sbx_tab[byte((bi)[((n) + 1) & 3],1)]), 8) ^ \ + rotl(((u4byte)sbx_tab[byte((bi)[((n) + 2) & 3],2)]), 16) ^ \ + rotl(((u4byte)sbx_tab[byte((bi)[((n) + 3) & 3],3)]), 24) ^ *((k) + (n)) + +#define i_rl(bo, bi, n, k) \ + (bo)[n] = (u4byte)isb_tab[byte((bi)[n],0)] ^ \ + rotl(((u4byte)isb_tab[byte((bi)[((n) + 3) & 3],1)]), 8) ^ \ + rotl(((u4byte)isb_tab[byte((bi)[((n) + 2) & 3],2)]), 16) ^ \ + rotl(((u4byte)isb_tab[byte((bi)[((n) + 1) & 3],3)]), 24) ^ *((k) + (n)) +#endif + +static void +gen_tabs(void) +{ +#ifndef PRE_CALC_TABLES + u4byte i, + t; + u1byte p, + q; + + /* log and power tables for GF(2**8) finite field with */ + /* 0x11b as modular polynomial - the simplest primitive */ + /* root is 0x11, used here to generate the tables */ + + for (i = 0, p = 1; i < 256; ++i) + { + pow_tab[i] = (u1byte) p; + log_tab[p] = (u1byte) i; + + p = p ^ (p << 1) ^ (p & 0x80 ? 0x01b : 0); + } + + log_tab[1] = 0; + p = 1; + + for (i = 0; i < 10; ++i) + { + rco_tab[i] = p; + + p = (p << 1) ^ (p & 0x80 ? 0x1b : 0); + } + + /* note that the affine byte transformation matrix in */ + /* rijndael specification is in big endian format with */ + /* bit 0 as the most significant bit. In the remainder */ + /* of the specification the bits are numbered from the */ + /* least significant end of a byte. */ + + for (i = 0; i < 256; ++i) + { + p = (i ? pow_tab[255 - log_tab[i]] : 0); + q = p; + q = (q >> 7) | (q << 1); + p ^= q; + q = (q >> 7) | (q << 1); + p ^= q; + q = (q >> 7) | (q << 1); + p ^= q; + q = (q >> 7) | (q << 1); + p ^= q ^ 0x63; + sbx_tab[i] = (u1byte) p; + isb_tab[p] = (u1byte) i; + } + + for (i = 0; i < 256; ++i) + { + p = sbx_tab[i]; + +#ifdef LARGE_TABLES + + t = p; + fl_tab[0][i] = t; + fl_tab[1][i] = rotl(t, 8); + fl_tab[2][i] = rotl(t, 16); + fl_tab[3][i] = rotl(t, 24); +#endif + t = ((u4byte) ff_mult(2, p)) | + ((u4byte) p << 8) | + ((u4byte) p << 16) | + ((u4byte) ff_mult(3, p) << 24); + + ft_tab[0][i] = t; + ft_tab[1][i] = rotl(t, 8); + ft_tab[2][i] = rotl(t, 16); + ft_tab[3][i] = rotl(t, 24); + + p = isb_tab[i]; + +#ifdef LARGE_TABLES + + t = p; + il_tab[0][i] = t; + il_tab[1][i] = rotl(t, 8); + il_tab[2][i] = rotl(t, 16); + il_tab[3][i] = rotl(t, 24); +#endif + t = ((u4byte) ff_mult(14, p)) | + ((u4byte) ff_mult(9, p) << 8) | + ((u4byte) ff_mult(13, p) << 16) | + ((u4byte) ff_mult(11, p) << 24); + + it_tab[0][i] = t; + it_tab[1][i] = rotl(t, 8); + it_tab[2][i] = rotl(t, 16); + it_tab[3][i] = rotl(t, 24); + } + + tab_gen = 1; +#endif /* !PRE_CALC_TABLES */ +} + + +#define star_x(x) (((x) & 0x7f7f7f7f) << 1) ^ ((((x) & 0x80808080) >> 7) * 0x1b) + +#define imix_col(y,x) \ +do { \ + u = star_x(x); \ + v = star_x(u); \ + w = star_x(v); \ + t = w ^ (x); \ + (y) = u ^ v ^ w; \ + (y) ^= rotr(u ^ t, 8) ^ \ + rotr(v ^ t, 16) ^ \ + rotr(t,24); \ +} while (0) + +/* initialise the key schedule from the user supplied key */ + +#define loop4(i) \ +do { t = ls_box(rotr(t, 8)) ^ rco_tab[i]; \ + t ^= e_key[4 * i]; e_key[4 * i + 4] = t; \ + t ^= e_key[4 * i + 1]; e_key[4 * i + 5] = t; \ + t ^= e_key[4 * i + 2]; e_key[4 * i + 6] = t; \ + t ^= e_key[4 * i + 3]; e_key[4 * i + 7] = t; \ +} while (0) + +#define loop6(i) \ +do { t = ls_box(rotr(t, 8)) ^ rco_tab[i]; \ + t ^= e_key[6 * (i)]; e_key[6 * (i) + 6] = t; \ + t ^= e_key[6 * (i) + 1]; e_key[6 * (i) + 7] = t; \ + t ^= e_key[6 * (i) + 2]; e_key[6 * (i) + 8] = t; \ + t ^= e_key[6 * (i) + 3]; e_key[6 * (i) + 9] = t; \ + t ^= e_key[6 * (i) + 4]; e_key[6 * (i) + 10] = t; \ + t ^= e_key[6 * (i) + 5]; e_key[6 * (i) + 11] = t; \ +} while (0) + +#define loop8(i) \ +do { t = ls_box(rotr(t, 8)) ^ rco_tab[i]; \ + t ^= e_key[8 * (i)]; e_key[8 * (i) + 8] = t; \ + t ^= e_key[8 * (i) + 1]; e_key[8 * (i) + 9] = t; \ + t ^= e_key[8 * (i) + 2]; e_key[8 * (i) + 10] = t; \ + t ^= e_key[8 * (i) + 3]; e_key[8 * (i) + 11] = t; \ + t = e_key[8 * (i) + 4] ^ ls_box(t); \ + e_key[8 * (i) + 12] = t; \ + t ^= e_key[8 * (i) + 5]; e_key[8 * (i) + 13] = t; \ + t ^= e_key[8 * (i) + 6]; e_key[8 * (i) + 14] = t; \ + t ^= e_key[8 * (i) + 7]; e_key[8 * (i) + 15] = t; \ +} while (0) + +rijndael_ctx * +rijndael_set_key(rijndael_ctx *ctx, const u4byte *in_key, const u4byte key_len, + int encrypt) +{ + u4byte i, + t, + u, + v, + w; + u4byte *e_key = ctx->e_key; + u4byte *d_key = ctx->d_key; + + ctx->decrypt = !encrypt; + + if (!tab_gen) + gen_tabs(); + + ctx->k_len = (key_len + 31) / 32; + + e_key[0] = io_swap(in_key[0]); + e_key[1] = io_swap(in_key[1]); + e_key[2] = io_swap(in_key[2]); + e_key[3] = io_swap(in_key[3]); + + switch (ctx->k_len) + { + case 4: + t = e_key[3]; + for (i = 0; i < 10; ++i) + loop4(i); + break; + + case 6: + e_key[4] = io_swap(in_key[4]); + t = e_key[5] = io_swap(in_key[5]); + for (i = 0; i < 8; ++i) + loop6(i); + break; + + case 8: + e_key[4] = io_swap(in_key[4]); + e_key[5] = io_swap(in_key[5]); + e_key[6] = io_swap(in_key[6]); + t = e_key[7] = io_swap(in_key[7]); + for (i = 0; i < 7; ++i) + loop8(i); + break; + } + + if (!encrypt) + { + d_key[0] = e_key[0]; + d_key[1] = e_key[1]; + d_key[2] = e_key[2]; + d_key[3] = e_key[3]; + + for (i = 4; i < 4 * ctx->k_len + 24; ++i) + imix_col(d_key[i], e_key[i]); + } + + return ctx; +} + +/* encrypt a block of text */ + +#define f_nround(bo, bi, k) \ +do { \ + f_rn(bo, bi, 0, k); \ + f_rn(bo, bi, 1, k); \ + f_rn(bo, bi, 2, k); \ + f_rn(bo, bi, 3, k); \ + k += 4; \ +} while (0) + +#define f_lround(bo, bi, k) \ +do { \ + f_rl(bo, bi, 0, k); \ + f_rl(bo, bi, 1, k); \ + f_rl(bo, bi, 2, k); \ + f_rl(bo, bi, 3, k); \ +} while (0) + +void +rijndael_encrypt(rijndael_ctx *ctx, const u4byte *in_blk, u4byte *out_blk) +{ + u4byte k_len = ctx->k_len; + u4byte *e_key = ctx->e_key; + u4byte b0[4], + b1[4], + *kp; + + b0[0] = io_swap(in_blk[0]) ^ e_key[0]; + b0[1] = io_swap(in_blk[1]) ^ e_key[1]; + b0[2] = io_swap(in_blk[2]) ^ e_key[2]; + b0[3] = io_swap(in_blk[3]) ^ e_key[3]; + + kp = e_key + 4; + + if (k_len > 6) + { + f_nround(b1, b0, kp); + f_nround(b0, b1, kp); + } + + if (k_len > 4) + { + f_nround(b1, b0, kp); + f_nround(b0, b1, kp); + } + + f_nround(b1, b0, kp); + f_nround(b0, b1, kp); + f_nround(b1, b0, kp); + f_nround(b0, b1, kp); + f_nround(b1, b0, kp); + f_nround(b0, b1, kp); + f_nround(b1, b0, kp); + f_nround(b0, b1, kp); + f_nround(b1, b0, kp); + f_lround(b0, b1, kp); + + out_blk[0] = io_swap(b0[0]); + out_blk[1] = io_swap(b0[1]); + out_blk[2] = io_swap(b0[2]); + out_blk[3] = io_swap(b0[3]); +} + +/* decrypt a block of text */ + +#define i_nround(bo, bi, k) \ +do { \ + i_rn(bo, bi, 0, k); \ + i_rn(bo, bi, 1, k); \ + i_rn(bo, bi, 2, k); \ + i_rn(bo, bi, 3, k); \ + k -= 4; \ +} while (0) + +#define i_lround(bo, bi, k) \ +do { \ + i_rl(bo, bi, 0, k); \ + i_rl(bo, bi, 1, k); \ + i_rl(bo, bi, 2, k); \ + i_rl(bo, bi, 3, k); \ +} while (0) + +void +rijndael_decrypt(rijndael_ctx *ctx, const u4byte *in_blk, u4byte *out_blk) +{ + u4byte b0[4], + b1[4], + *kp; + u4byte k_len = ctx->k_len; + u4byte *e_key = ctx->e_key; + u4byte *d_key = ctx->d_key; + + b0[0] = io_swap(in_blk[0]) ^ e_key[4 * k_len + 24]; + b0[1] = io_swap(in_blk[1]) ^ e_key[4 * k_len + 25]; + b0[2] = io_swap(in_blk[2]) ^ e_key[4 * k_len + 26]; + b0[3] = io_swap(in_blk[3]) ^ e_key[4 * k_len + 27]; + + kp = d_key + 4 * (k_len + 5); + + if (k_len > 6) + { + i_nround(b1, b0, kp); + i_nround(b0, b1, kp); + } + + if (k_len > 4) + { + i_nround(b1, b0, kp); + i_nround(b0, b1, kp); + } + + i_nround(b1, b0, kp); + i_nround(b0, b1, kp); + i_nround(b1, b0, kp); + i_nround(b0, b1, kp); + i_nround(b1, b0, kp); + i_nround(b0, b1, kp); + i_nround(b1, b0, kp); + i_nround(b0, b1, kp); + i_nround(b1, b0, kp); + i_lround(b0, b1, kp); + + out_blk[0] = io_swap(b0[0]); + out_blk[1] = io_swap(b0[1]); + out_blk[2] = io_swap(b0[2]); + out_blk[3] = io_swap(b0[3]); +} + +/* + * conventional interface + * + * ATM it hopes all data is 4-byte aligned - which + * should be true for PX. -marko + */ + +void +aes_set_key(rijndael_ctx *ctx, const uint8 *key, unsigned keybits, int enc) +{ + uint32 *k; + + k = (uint32 *) key; + rijndael_set_key(ctx, k, keybits, enc); +} + +void +aes_ecb_encrypt(rijndael_ctx *ctx, uint8 *data, unsigned len) +{ + unsigned bs = 16; + uint32 *d; + + while (len >= bs) + { + d = (uint32 *) data; + rijndael_encrypt(ctx, d, d); + + len -= bs; + data += bs; + } +} + +void +aes_ecb_decrypt(rijndael_ctx *ctx, uint8 *data, unsigned len) +{ + unsigned bs = 16; + uint32 *d; + + while (len >= bs) + { + d = (uint32 *) data; + rijndael_decrypt(ctx, d, d); + + len -= bs; + data += bs; + } +} + +void +aes_cbc_encrypt(rijndael_ctx *ctx, uint8 *iva, uint8 *data, unsigned len) +{ + uint32 *iv = (uint32 *) iva; + uint32 *d = (uint32 *) data; + unsigned bs = 16; + + while (len >= bs) + { + d[0] ^= iv[0]; + d[1] ^= iv[1]; + d[2] ^= iv[2]; + d[3] ^= iv[3]; + + rijndael_encrypt(ctx, d, d); + + iv = d; + d += bs / 4; + len -= bs; + } +} + +void +aes_cbc_decrypt(rijndael_ctx *ctx, uint8 *iva, uint8 *data, unsigned len) +{ + uint32 *d = (uint32 *) data; + unsigned bs = 16; + uint32 buf[4], + iv[4]; + + memcpy(iv, iva, bs); + while (len >= bs) + { + buf[0] = d[0]; + buf[1] = d[1]; + buf[2] = d[2]; + buf[3] = d[3]; + + rijndael_decrypt(ctx, buf, d); + + d[0] ^= iv[0]; + d[1] ^= iv[1]; + d[2] ^= iv[2]; + d[3] ^= iv[3]; + + iv[0] = buf[0]; + iv[1] = buf[1]; + iv[2] = buf[2]; + iv[3] = buf[3]; + d += 4; + len -= bs; + } +} + +/* + * pre-calculate tables. + * + * On i386 lifts 17k from .bss to .rodata + * and avoids 1k code and setup time. + * -marko + */ +#ifdef PRINT_TABS + +static void +show256u8(char *name, uint8 *data) +{ + int i; + + printf("static const u1byte %s[256] = {\n ", name); + for (i = 0; i < 256;) + { + printf("%u", pow_tab[i++]); + if (i < 256) + printf(i % 16 ? ", " : ",\n "); + } + printf("\n};\n\n"); +} + + +static void +show4x256u32(char *name, uint32 data[4][256]) +{ + int i, + j; + + printf("static const u4byte %s[4][256] = {\n{\n ", name); + for (i = 0; i < 4; i++) + { + for (j = 0; j < 256;) + { + printf("0x%08x", data[i][j]); + j++; + if (j < 256) + printf(j % 4 ? ", " : ",\n "); + } + printf(i < 3 ? "\n}, {\n " : "\n}\n"); + } + printf("};\n\n"); +} + +int +main() +{ + int i; + char *hdr = "/* Generated by rijndael.c */\n\n"; + + gen_tabs(); + + printf(hdr); + show256u8("pow_tab", pow_tab); + show256u8("log_tab", log_tab); + show256u8("sbx_tab", sbx_tab); + show256u8("isb_tab", isb_tab); + + show4x256u32("ft_tab", ft_tab); + show4x256u32("it_tab", it_tab); +#ifdef LARGE_TABLES + show4x256u32("fl_tab", fl_tab); + show4x256u32("il_tab", il_tab); +#endif + printf("static const u4byte rco_tab[10] = {\n "); + for (i = 0; i < 10; i++) + { + printf("0x%08x", rco_tab[i]); + if (i < 9) + printf(", "); + if (i == 4) + printf("\n "); + } + printf("\n};\n\n"); + return 0; +} + +#endif diff --git a/contrib/pgcrypto/rijndael.h b/contrib/pgcrypto/rijndael.h new file mode 100644 index 0000000..bc9ddfa --- /dev/null +++ b/contrib/pgcrypto/rijndael.h @@ -0,0 +1,59 @@ +/* + * contrib/pgcrypto/rijndael.h + * + * $OpenBSD: rijndael.h,v 1.3 2001/05/09 23:01:32 markus Exp $ */ + +/* This is an independent implementation of the encryption algorithm: */ +/* */ +/* RIJNDAEL by Joan Daemen and Vincent Rijmen */ +/* */ +/* which is a candidate algorithm in the Advanced Encryption Standard */ +/* programme of the US National Institute of Standards and Technology. */ +/* */ +/* Copyright in this implementation is held by Dr B R Gladman but I */ +/* hereby give permission for its free direct or derivative use subject */ +/* to acknowledgment of its origin and compliance with any conditions */ +/* that the originators of the algorithm place on its exploitation. */ +/* */ +/* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999 */ + +#ifndef _RIJNDAEL_H_ +#define _RIJNDAEL_H_ + +/* 1. Standard types for AES cryptography source code */ + +typedef uint8 u1byte; /* an 8 bit unsigned character type */ +typedef uint16 u2byte; /* a 16 bit unsigned integer type */ +typedef uint32 u4byte; /* a 32 bit unsigned integer type */ + +typedef int8 s1byte; /* an 8 bit signed character type */ +typedef int16 s2byte; /* a 16 bit signed integer type */ +typedef int32 s4byte; /* a 32 bit signed integer type */ + +typedef struct _rijndael_ctx +{ + u4byte k_len; + int decrypt; + u4byte e_key[64]; + u4byte d_key[64]; +} rijndael_ctx; + + +/* 2. Standard interface for AES cryptographic routines */ + +/* These are all based on 32 bit unsigned values and will therefore */ +/* require endian conversions for big-endian architectures */ + +rijndael_ctx *rijndael_set_key(rijndael_ctx *, const u4byte *, const u4byte, int); +void rijndael_encrypt(rijndael_ctx *, const u4byte *, u4byte *); +void rijndael_decrypt(rijndael_ctx *, const u4byte *, u4byte *); + +/* conventional interface */ + +void aes_set_key(rijndael_ctx *ctx, const uint8 *key, unsigned keybits, int enc); +void aes_ecb_encrypt(rijndael_ctx *ctx, uint8 *data, unsigned len); +void aes_ecb_decrypt(rijndael_ctx *ctx, uint8 *data, unsigned len); +void aes_cbc_encrypt(rijndael_ctx *ctx, uint8 *iva, uint8 *data, unsigned len); +void aes_cbc_decrypt(rijndael_ctx *ctx, uint8 *iva, uint8 *data, unsigned len); + +#endif /* _RIJNDAEL_H_ */ diff --git a/contrib/pgcrypto/rijndael.tbl b/contrib/pgcrypto/rijndael.tbl new file mode 100644 index 0000000..c7610c0 --- /dev/null +++ b/contrib/pgcrypto/rijndael.tbl @@ -0,0 +1,1138 @@ +/* Generated by rijndael.c */ + +static const u1byte pow_tab[256] = { + 1, 3, 5, 15, 17, 51, 85, 255, 26, 46, 114, 150, 161, 248, 19, 53, + 95, 225, 56, 72, 216, 115, 149, 164, 247, 2, 6, 10, 30, 34, 102, 170, + 229, 52, 92, 228, 55, 89, 235, 38, 106, 190, 217, 112, 144, 171, 230, 49, + 83, 245, 4, 12, 20, 60, 68, 204, 79, 209, 104, 184, 211, 110, 178, 205, + 76, 212, 103, 169, 224, 59, 77, 215, 98, 166, 241, 8, 24, 40, 120, 136, + 131, 158, 185, 208, 107, 189, 220, 127, 129, 152, 179, 206, 73, 219, 118, 154, + 181, 196, 87, 249, 16, 48, 80, 240, 11, 29, 39, 105, 187, 214, 97, 163, + 254, 25, 43, 125, 135, 146, 173, 236, 47, 113, 147, 174, 233, 32, 96, 160, + 251, 22, 58, 78, 210, 109, 183, 194, 93, 231, 50, 86, 250, 21, 63, 65, + 195, 94, 226, 61, 71, 201, 64, 192, 91, 237, 44, 116, 156, 191, 218, 117, + 159, 186, 213, 100, 172, 239, 42, 126, 130, 157, 188, 223, 122, 142, 137, 128, + 155, 182, 193, 88, 232, 35, 101, 175, 234, 37, 111, 177, 200, 67, 197, 84, + 252, 31, 33, 99, 165, 244, 7, 9, 27, 45, 119, 153, 176, 203, 70, 202, + 69, 207, 74, 222, 121, 139, 134, 145, 168, 227, 62, 66, 198, 81, 243, 14, + 18, 54, 90, 238, 41, 123, 141, 140, 143, 138, 133, 148, 167, 242, 13, 23, + 57, 75, 221, 124, 132, 151, 162, 253, 28, 36, 108, 180, 199, 82, 246, 1 +}; + +static const u1byte log_tab[256] = { + 1, 3, 5, 15, 17, 51, 85, 255, 26, 46, 114, 150, 161, 248, 19, 53, + 95, 225, 56, 72, 216, 115, 149, 164, 247, 2, 6, 10, 30, 34, 102, 170, + 229, 52, 92, 228, 55, 89, 235, 38, 106, 190, 217, 112, 144, 171, 230, 49, + 83, 245, 4, 12, 20, 60, 68, 204, 79, 209, 104, 184, 211, 110, 178, 205, + 76, 212, 103, 169, 224, 59, 77, 215, 98, 166, 241, 8, 24, 40, 120, 136, + 131, 158, 185, 208, 107, 189, 220, 127, 129, 152, 179, 206, 73, 219, 118, 154, + 181, 196, 87, 249, 16, 48, 80, 240, 11, 29, 39, 105, 187, 214, 97, 163, + 254, 25, 43, 125, 135, 146, 173, 236, 47, 113, 147, 174, 233, 32, 96, 160, + 251, 22, 58, 78, 210, 109, 183, 194, 93, 231, 50, 86, 250, 21, 63, 65, + 195, 94, 226, 61, 71, 201, 64, 192, 91, 237, 44, 116, 156, 191, 218, 117, + 159, 186, 213, 100, 172, 239, 42, 126, 130, 157, 188, 223, 122, 142, 137, 128, + 155, 182, 193, 88, 232, 35, 101, 175, 234, 37, 111, 177, 200, 67, 197, 84, + 252, 31, 33, 99, 165, 244, 7, 9, 27, 45, 119, 153, 176, 203, 70, 202, + 69, 207, 74, 222, 121, 139, 134, 145, 168, 227, 62, 66, 198, 81, 243, 14, + 18, 54, 90, 238, 41, 123, 141, 140, 143, 138, 133, 148, 167, 242, 13, 23, + 57, 75, 221, 124, 132, 151, 162, 253, 28, 36, 108, 180, 199, 82, 246, 1 +}; + +static const u1byte sbx_tab[256] = { + 1, 3, 5, 15, 17, 51, 85, 255, 26, 46, 114, 150, 161, 248, 19, 53, + 95, 225, 56, 72, 216, 115, 149, 164, 247, 2, 6, 10, 30, 34, 102, 170, + 229, 52, 92, 228, 55, 89, 235, 38, 106, 190, 217, 112, 144, 171, 230, 49, + 83, 245, 4, 12, 20, 60, 68, 204, 79, 209, 104, 184, 211, 110, 178, 205, + 76, 212, 103, 169, 224, 59, 77, 215, 98, 166, 241, 8, 24, 40, 120, 136, + 131, 158, 185, 208, 107, 189, 220, 127, 129, 152, 179, 206, 73, 219, 118, 154, + 181, 196, 87, 249, 16, 48, 80, 240, 11, 29, 39, 105, 187, 214, 97, 163, + 254, 25, 43, 125, 135, 146, 173, 236, 47, 113, 147, 174, 233, 32, 96, 160, + 251, 22, 58, 78, 210, 109, 183, 194, 93, 231, 50, 86, 250, 21, 63, 65, + 195, 94, 226, 61, 71, 201, 64, 192, 91, 237, 44, 116, 156, 191, 218, 117, + 159, 186, 213, 100, 172, 239, 42, 126, 130, 157, 188, 223, 122, 142, 137, 128, + 155, 182, 193, 88, 232, 35, 101, 175, 234, 37, 111, 177, 200, 67, 197, 84, + 252, 31, 33, 99, 165, 244, 7, 9, 27, 45, 119, 153, 176, 203, 70, 202, + 69, 207, 74, 222, 121, 139, 134, 145, 168, 227, 62, 66, 198, 81, 243, 14, + 18, 54, 90, 238, 41, 123, 141, 140, 143, 138, 133, 148, 167, 242, 13, 23, + 57, 75, 221, 124, 132, 151, 162, 253, 28, 36, 108, 180, 199, 82, 246, 1 +}; + +static const u1byte isb_tab[256] = { + 1, 3, 5, 15, 17, 51, 85, 255, 26, 46, 114, 150, 161, 248, 19, 53, + 95, 225, 56, 72, 216, 115, 149, 164, 247, 2, 6, 10, 30, 34, 102, 170, + 229, 52, 92, 228, 55, 89, 235, 38, 106, 190, 217, 112, 144, 171, 230, 49, + 83, 245, 4, 12, 20, 60, 68, 204, 79, 209, 104, 184, 211, 110, 178, 205, + 76, 212, 103, 169, 224, 59, 77, 215, 98, 166, 241, 8, 24, 40, 120, 136, + 131, 158, 185, 208, 107, 189, 220, 127, 129, 152, 179, 206, 73, 219, 118, 154, + 181, 196, 87, 249, 16, 48, 80, 240, 11, 29, 39, 105, 187, 214, 97, 163, + 254, 25, 43, 125, 135, 146, 173, 236, 47, 113, 147, 174, 233, 32, 96, 160, + 251, 22, 58, 78, 210, 109, 183, 194, 93, 231, 50, 86, 250, 21, 63, 65, + 195, 94, 226, 61, 71, 201, 64, 192, 91, 237, 44, 116, 156, 191, 218, 117, + 159, 186, 213, 100, 172, 239, 42, 126, 130, 157, 188, 223, 122, 142, 137, 128, + 155, 182, 193, 88, 232, 35, 101, 175, 234, 37, 111, 177, 200, 67, 197, 84, + 252, 31, 33, 99, 165, 244, 7, 9, 27, 45, 119, 153, 176, 203, 70, 202, + 69, 207, 74, 222, 121, 139, 134, 145, 168, 227, 62, 66, 198, 81, 243, 14, + 18, 54, 90, 238, 41, 123, 141, 140, 143, 138, 133, 148, 167, 242, 13, 23, + 57, 75, 221, 124, 132, 151, 162, 253, 28, 36, 108, 180, 199, 82, 246, 1 +}; + +static const u4byte ft_tab[4][256] = { +{ + 0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6, + 0x0df2f2ff, 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591, + 0x50303060, 0x03010102, 0xa96767ce, 0x7d2b2b56, + 0x19fefee7, 0x62d7d7b5, 0xe6abab4d, 0x9a7676ec, + 0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa, + 0x15fafaef, 0xeb5959b2, 0xc947478e, 0x0bf0f0fb, + 0xecadad41, 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45, + 0xbf9c9c23, 0xf7a4a453, 0x967272e4, 0x5bc0c09b, + 0xc2b7b775, 0x1cfdfde1, 0xae93933d, 0x6a26264c, + 0x5a36366c, 0x413f3f7e, 0x02f7f7f5, 0x4fcccc83, + 0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x08f1f1f9, + 0x937171e2, 0x73d8d8ab, 0x53313162, 0x3f15152a, + 0x0c040408, 0x52c7c795, 0x65232346, 0x5ec3c39d, + 0x28181830, 0xa1969637, 0x0f05050a, 0xb59a9a2f, + 0x0907070e, 0x36121224, 0x9b80801b, 0x3de2e2df, + 0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea, + 0x1b090912, 0x9e83831d, 0x742c2c58, 0x2e1a1a34, + 0x2d1b1b36, 0xb26e6edc, 0xee5a5ab4, 0xfba0a05b, + 0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, 0xceb3b37d, + 0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413, + 0xf55353a6, 0x68d1d1b9, 0x00000000, 0x2cededc1, + 0x60202040, 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6, + 0xbe6a6ad4, 0x46cbcb8d, 0xd9bebe67, 0x4b393972, + 0xde4a4a94, 0xd44c4c98, 0xe85858b0, 0x4acfcf85, + 0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed, + 0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511, + 0xcf45458a, 0x10f9f9e9, 0x06020204, 0x817f7ffe, + 0xf05050a0, 0x443c3c78, 0xba9f9f25, 0xe3a8a84b, + 0xf35151a2, 0xfea3a35d, 0xc0404080, 0x8a8f8f05, + 0xad92923f, 0xbc9d9d21, 0x48383870, 0x04f5f5f1, + 0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142, + 0x30101020, 0x1affffe5, 0x0ef3f3fd, 0x6dd2d2bf, + 0x4ccdcd81, 0x140c0c18, 0x35131326, 0x2fececc3, + 0xe15f5fbe, 0xa2979735, 0xcc444488, 0x3917172e, + 0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a, + 0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6, + 0xa06060c0, 0x98818119, 0xd14f4f9e, 0x7fdcdca3, + 0x66222244, 0x7e2a2a54, 0xab90903b, 0x8388880b, + 0xca46468c, 0x29eeeec7, 0xd3b8b86b, 0x3c141428, + 0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad, + 0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14, + 0xdb494992, 0x0a06060c, 0x6c242448, 0xe45c5cb8, + 0x5dc2c29f, 0x6ed3d3bd, 0xefacac43, 0xa66262c4, + 0xa8919139, 0xa4959531, 0x37e4e4d3, 0x8b7979f2, + 0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda, + 0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949, + 0xb46c6cd8, 0xfa5656ac, 0x07f4f4f3, 0x25eaeacf, + 0xaf6565ca, 0x8e7a7af4, 0xe9aeae47, 0x18080810, + 0xd5baba6f, 0x887878f0, 0x6f25254a, 0x722e2e5c, + 0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697, + 0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e, + 0xdd4b4b96, 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f, + 0x907070e0, 0x423e3e7c, 0xc4b5b571, 0xaa6666cc, + 0xd8484890, 0x05030306, 0x01f6f6f7, 0x120e0e1c, + 0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969, + 0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27, + 0x38e1e1d9, 0x13f8f8eb, 0xb398982b, 0x33111122, + 0xbb6969d2, 0x70d9d9a9, 0x898e8e07, 0xa7949433, + 0xb69b9b2d, 0x221e1e3c, 0x92878715, 0x20e9e9c9, + 0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5, + 0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a, + 0xdabfbf65, 0x31e6e6d7, 0xc6424284, 0xb86868d0, + 0xc3414182, 0xb0999929, 0x772d2d5a, 0x110f0f1e, + 0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, 0x3a16162c +}, { + 0x6363c6a5, 0x7c7cf884, 0x7777ee99, 0x7b7bf68d, + 0xf2f2ff0d, 0x6b6bd6bd, 0x6f6fdeb1, 0xc5c59154, + 0x30306050, 0x01010203, 0x6767cea9, 0x2b2b567d, + 0xfefee719, 0xd7d7b562, 0xabab4de6, 0x7676ec9a, + 0xcaca8f45, 0x82821f9d, 0xc9c98940, 0x7d7dfa87, + 0xfafaef15, 0x5959b2eb, 0x47478ec9, 0xf0f0fb0b, + 0xadad41ec, 0xd4d4b367, 0xa2a25ffd, 0xafaf45ea, + 0x9c9c23bf, 0xa4a453f7, 0x7272e496, 0xc0c09b5b, + 0xb7b775c2, 0xfdfde11c, 0x93933dae, 0x26264c6a, + 0x36366c5a, 0x3f3f7e41, 0xf7f7f502, 0xcccc834f, + 0x3434685c, 0xa5a551f4, 0xe5e5d134, 0xf1f1f908, + 0x7171e293, 0xd8d8ab73, 0x31316253, 0x15152a3f, + 0x0404080c, 0xc7c79552, 0x23234665, 0xc3c39d5e, + 0x18183028, 0x969637a1, 0x05050a0f, 0x9a9a2fb5, + 0x07070e09, 0x12122436, 0x80801b9b, 0xe2e2df3d, + 0xebebcd26, 0x27274e69, 0xb2b27fcd, 0x7575ea9f, + 0x0909121b, 0x83831d9e, 0x2c2c5874, 0x1a1a342e, + 0x1b1b362d, 0x6e6edcb2, 0x5a5ab4ee, 0xa0a05bfb, + 0x5252a4f6, 0x3b3b764d, 0xd6d6b761, 0xb3b37dce, + 0x2929527b, 0xe3e3dd3e, 0x2f2f5e71, 0x84841397, + 0x5353a6f5, 0xd1d1b968, 0x00000000, 0xededc12c, + 0x20204060, 0xfcfce31f, 0xb1b179c8, 0x5b5bb6ed, + 0x6a6ad4be, 0xcbcb8d46, 0xbebe67d9, 0x3939724b, + 0x4a4a94de, 0x4c4c98d4, 0x5858b0e8, 0xcfcf854a, + 0xd0d0bb6b, 0xefefc52a, 0xaaaa4fe5, 0xfbfbed16, + 0x434386c5, 0x4d4d9ad7, 0x33336655, 0x85851194, + 0x45458acf, 0xf9f9e910, 0x02020406, 0x7f7ffe81, + 0x5050a0f0, 0x3c3c7844, 0x9f9f25ba, 0xa8a84be3, + 0x5151a2f3, 0xa3a35dfe, 0x404080c0, 0x8f8f058a, + 0x92923fad, 0x9d9d21bc, 0x38387048, 0xf5f5f104, + 0xbcbc63df, 0xb6b677c1, 0xdadaaf75, 0x21214263, + 0x10102030, 0xffffe51a, 0xf3f3fd0e, 0xd2d2bf6d, + 0xcdcd814c, 0x0c0c1814, 0x13132635, 0xececc32f, + 0x5f5fbee1, 0x979735a2, 0x444488cc, 0x17172e39, + 0xc4c49357, 0xa7a755f2, 0x7e7efc82, 0x3d3d7a47, + 0x6464c8ac, 0x5d5dbae7, 0x1919322b, 0x7373e695, + 0x6060c0a0, 0x81811998, 0x4f4f9ed1, 0xdcdca37f, + 0x22224466, 0x2a2a547e, 0x90903bab, 0x88880b83, + 0x46468cca, 0xeeeec729, 0xb8b86bd3, 0x1414283c, + 0xdedea779, 0x5e5ebce2, 0x0b0b161d, 0xdbdbad76, + 0xe0e0db3b, 0x32326456, 0x3a3a744e, 0x0a0a141e, + 0x494992db, 0x06060c0a, 0x2424486c, 0x5c5cb8e4, + 0xc2c29f5d, 0xd3d3bd6e, 0xacac43ef, 0x6262c4a6, + 0x919139a8, 0x959531a4, 0xe4e4d337, 0x7979f28b, + 0xe7e7d532, 0xc8c88b43, 0x37376e59, 0x6d6ddab7, + 0x8d8d018c, 0xd5d5b164, 0x4e4e9cd2, 0xa9a949e0, + 0x6c6cd8b4, 0x5656acfa, 0xf4f4f307, 0xeaeacf25, + 0x6565caaf, 0x7a7af48e, 0xaeae47e9, 0x08081018, + 0xbaba6fd5, 0x7878f088, 0x25254a6f, 0x2e2e5c72, + 0x1c1c3824, 0xa6a657f1, 0xb4b473c7, 0xc6c69751, + 0xe8e8cb23, 0xdddda17c, 0x7474e89c, 0x1f1f3e21, + 0x4b4b96dd, 0xbdbd61dc, 0x8b8b0d86, 0x8a8a0f85, + 0x7070e090, 0x3e3e7c42, 0xb5b571c4, 0x6666ccaa, + 0x484890d8, 0x03030605, 0xf6f6f701, 0x0e0e1c12, + 0x6161c2a3, 0x35356a5f, 0x5757aef9, 0xb9b969d0, + 0x86861791, 0xc1c19958, 0x1d1d3a27, 0x9e9e27b9, + 0xe1e1d938, 0xf8f8eb13, 0x98982bb3, 0x11112233, + 0x6969d2bb, 0xd9d9a970, 0x8e8e0789, 0x949433a7, + 0x9b9b2db6, 0x1e1e3c22, 0x87871592, 0xe9e9c920, + 0xcece8749, 0x5555aaff, 0x28285078, 0xdfdfa57a, + 0x8c8c038f, 0xa1a159f8, 0x89890980, 0x0d0d1a17, + 0xbfbf65da, 0xe6e6d731, 0x424284c6, 0x6868d0b8, + 0x414182c3, 0x999929b0, 0x2d2d5a77, 0x0f0f1e11, + 0xb0b07bcb, 0x5454a8fc, 0xbbbb6dd6, 0x16162c3a +}, { + 0x63c6a563, 0x7cf8847c, 0x77ee9977, 0x7bf68d7b, + 0xf2ff0df2, 0x6bd6bd6b, 0x6fdeb16f, 0xc59154c5, + 0x30605030, 0x01020301, 0x67cea967, 0x2b567d2b, + 0xfee719fe, 0xd7b562d7, 0xab4de6ab, 0x76ec9a76, + 0xca8f45ca, 0x821f9d82, 0xc98940c9, 0x7dfa877d, + 0xfaef15fa, 0x59b2eb59, 0x478ec947, 0xf0fb0bf0, + 0xad41ecad, 0xd4b367d4, 0xa25ffda2, 0xaf45eaaf, + 0x9c23bf9c, 0xa453f7a4, 0x72e49672, 0xc09b5bc0, + 0xb775c2b7, 0xfde11cfd, 0x933dae93, 0x264c6a26, + 0x366c5a36, 0x3f7e413f, 0xf7f502f7, 0xcc834fcc, + 0x34685c34, 0xa551f4a5, 0xe5d134e5, 0xf1f908f1, + 0x71e29371, 0xd8ab73d8, 0x31625331, 0x152a3f15, + 0x04080c04, 0xc79552c7, 0x23466523, 0xc39d5ec3, + 0x18302818, 0x9637a196, 0x050a0f05, 0x9a2fb59a, + 0x070e0907, 0x12243612, 0x801b9b80, 0xe2df3de2, + 0xebcd26eb, 0x274e6927, 0xb27fcdb2, 0x75ea9f75, + 0x09121b09, 0x831d9e83, 0x2c58742c, 0x1a342e1a, + 0x1b362d1b, 0x6edcb26e, 0x5ab4ee5a, 0xa05bfba0, + 0x52a4f652, 0x3b764d3b, 0xd6b761d6, 0xb37dceb3, + 0x29527b29, 0xe3dd3ee3, 0x2f5e712f, 0x84139784, + 0x53a6f553, 0xd1b968d1, 0x00000000, 0xedc12ced, + 0x20406020, 0xfce31ffc, 0xb179c8b1, 0x5bb6ed5b, + 0x6ad4be6a, 0xcb8d46cb, 0xbe67d9be, 0x39724b39, + 0x4a94de4a, 0x4c98d44c, 0x58b0e858, 0xcf854acf, + 0xd0bb6bd0, 0xefc52aef, 0xaa4fe5aa, 0xfbed16fb, + 0x4386c543, 0x4d9ad74d, 0x33665533, 0x85119485, + 0x458acf45, 0xf9e910f9, 0x02040602, 0x7ffe817f, + 0x50a0f050, 0x3c78443c, 0x9f25ba9f, 0xa84be3a8, + 0x51a2f351, 0xa35dfea3, 0x4080c040, 0x8f058a8f, + 0x923fad92, 0x9d21bc9d, 0x38704838, 0xf5f104f5, + 0xbc63dfbc, 0xb677c1b6, 0xdaaf75da, 0x21426321, + 0x10203010, 0xffe51aff, 0xf3fd0ef3, 0xd2bf6dd2, + 0xcd814ccd, 0x0c18140c, 0x13263513, 0xecc32fec, + 0x5fbee15f, 0x9735a297, 0x4488cc44, 0x172e3917, + 0xc49357c4, 0xa755f2a7, 0x7efc827e, 0x3d7a473d, + 0x64c8ac64, 0x5dbae75d, 0x19322b19, 0x73e69573, + 0x60c0a060, 0x81199881, 0x4f9ed14f, 0xdca37fdc, + 0x22446622, 0x2a547e2a, 0x903bab90, 0x880b8388, + 0x468cca46, 0xeec729ee, 0xb86bd3b8, 0x14283c14, + 0xdea779de, 0x5ebce25e, 0x0b161d0b, 0xdbad76db, + 0xe0db3be0, 0x32645632, 0x3a744e3a, 0x0a141e0a, + 0x4992db49, 0x060c0a06, 0x24486c24, 0x5cb8e45c, + 0xc29f5dc2, 0xd3bd6ed3, 0xac43efac, 0x62c4a662, + 0x9139a891, 0x9531a495, 0xe4d337e4, 0x79f28b79, + 0xe7d532e7, 0xc88b43c8, 0x376e5937, 0x6ddab76d, + 0x8d018c8d, 0xd5b164d5, 0x4e9cd24e, 0xa949e0a9, + 0x6cd8b46c, 0x56acfa56, 0xf4f307f4, 0xeacf25ea, + 0x65caaf65, 0x7af48e7a, 0xae47e9ae, 0x08101808, + 0xba6fd5ba, 0x78f08878, 0x254a6f25, 0x2e5c722e, + 0x1c38241c, 0xa657f1a6, 0xb473c7b4, 0xc69751c6, + 0xe8cb23e8, 0xdda17cdd, 0x74e89c74, 0x1f3e211f, + 0x4b96dd4b, 0xbd61dcbd, 0x8b0d868b, 0x8a0f858a, + 0x70e09070, 0x3e7c423e, 0xb571c4b5, 0x66ccaa66, + 0x4890d848, 0x03060503, 0xf6f701f6, 0x0e1c120e, + 0x61c2a361, 0x356a5f35, 0x57aef957, 0xb969d0b9, + 0x86179186, 0xc19958c1, 0x1d3a271d, 0x9e27b99e, + 0xe1d938e1, 0xf8eb13f8, 0x982bb398, 0x11223311, + 0x69d2bb69, 0xd9a970d9, 0x8e07898e, 0x9433a794, + 0x9b2db69b, 0x1e3c221e, 0x87159287, 0xe9c920e9, + 0xce8749ce, 0x55aaff55, 0x28507828, 0xdfa57adf, + 0x8c038f8c, 0xa159f8a1, 0x89098089, 0x0d1a170d, + 0xbf65dabf, 0xe6d731e6, 0x4284c642, 0x68d0b868, + 0x4182c341, 0x9929b099, 0x2d5a772d, 0x0f1e110f, + 0xb07bcbb0, 0x54a8fc54, 0xbb6dd6bb, 0x162c3a16 +}, { + 0xc6a56363, 0xf8847c7c, 0xee997777, 0xf68d7b7b, + 0xff0df2f2, 0xd6bd6b6b, 0xdeb16f6f, 0x9154c5c5, + 0x60503030, 0x02030101, 0xcea96767, 0x567d2b2b, + 0xe719fefe, 0xb562d7d7, 0x4de6abab, 0xec9a7676, + 0x8f45caca, 0x1f9d8282, 0x8940c9c9, 0xfa877d7d, + 0xef15fafa, 0xb2eb5959, 0x8ec94747, 0xfb0bf0f0, + 0x41ecadad, 0xb367d4d4, 0x5ffda2a2, 0x45eaafaf, + 0x23bf9c9c, 0x53f7a4a4, 0xe4967272, 0x9b5bc0c0, + 0x75c2b7b7, 0xe11cfdfd, 0x3dae9393, 0x4c6a2626, + 0x6c5a3636, 0x7e413f3f, 0xf502f7f7, 0x834fcccc, + 0x685c3434, 0x51f4a5a5, 0xd134e5e5, 0xf908f1f1, + 0xe2937171, 0xab73d8d8, 0x62533131, 0x2a3f1515, + 0x080c0404, 0x9552c7c7, 0x46652323, 0x9d5ec3c3, + 0x30281818, 0x37a19696, 0x0a0f0505, 0x2fb59a9a, + 0x0e090707, 0x24361212, 0x1b9b8080, 0xdf3de2e2, + 0xcd26ebeb, 0x4e692727, 0x7fcdb2b2, 0xea9f7575, + 0x121b0909, 0x1d9e8383, 0x58742c2c, 0x342e1a1a, + 0x362d1b1b, 0xdcb26e6e, 0xb4ee5a5a, 0x5bfba0a0, + 0xa4f65252, 0x764d3b3b, 0xb761d6d6, 0x7dceb3b3, + 0x527b2929, 0xdd3ee3e3, 0x5e712f2f, 0x13978484, + 0xa6f55353, 0xb968d1d1, 0x00000000, 0xc12ceded, + 0x40602020, 0xe31ffcfc, 0x79c8b1b1, 0xb6ed5b5b, + 0xd4be6a6a, 0x8d46cbcb, 0x67d9bebe, 0x724b3939, + 0x94de4a4a, 0x98d44c4c, 0xb0e85858, 0x854acfcf, + 0xbb6bd0d0, 0xc52aefef, 0x4fe5aaaa, 0xed16fbfb, + 0x86c54343, 0x9ad74d4d, 0x66553333, 0x11948585, + 0x8acf4545, 0xe910f9f9, 0x04060202, 0xfe817f7f, + 0xa0f05050, 0x78443c3c, 0x25ba9f9f, 0x4be3a8a8, + 0xa2f35151, 0x5dfea3a3, 0x80c04040, 0x058a8f8f, + 0x3fad9292, 0x21bc9d9d, 0x70483838, 0xf104f5f5, + 0x63dfbcbc, 0x77c1b6b6, 0xaf75dada, 0x42632121, + 0x20301010, 0xe51affff, 0xfd0ef3f3, 0xbf6dd2d2, + 0x814ccdcd, 0x18140c0c, 0x26351313, 0xc32fecec, + 0xbee15f5f, 0x35a29797, 0x88cc4444, 0x2e391717, + 0x9357c4c4, 0x55f2a7a7, 0xfc827e7e, 0x7a473d3d, + 0xc8ac6464, 0xbae75d5d, 0x322b1919, 0xe6957373, + 0xc0a06060, 0x19988181, 0x9ed14f4f, 0xa37fdcdc, + 0x44662222, 0x547e2a2a, 0x3bab9090, 0x0b838888, + 0x8cca4646, 0xc729eeee, 0x6bd3b8b8, 0x283c1414, + 0xa779dede, 0xbce25e5e, 0x161d0b0b, 0xad76dbdb, + 0xdb3be0e0, 0x64563232, 0x744e3a3a, 0x141e0a0a, + 0x92db4949, 0x0c0a0606, 0x486c2424, 0xb8e45c5c, + 0x9f5dc2c2, 0xbd6ed3d3, 0x43efacac, 0xc4a66262, + 0x39a89191, 0x31a49595, 0xd337e4e4, 0xf28b7979, + 0xd532e7e7, 0x8b43c8c8, 0x6e593737, 0xdab76d6d, + 0x018c8d8d, 0xb164d5d5, 0x9cd24e4e, 0x49e0a9a9, + 0xd8b46c6c, 0xacfa5656, 0xf307f4f4, 0xcf25eaea, + 0xcaaf6565, 0xf48e7a7a, 0x47e9aeae, 0x10180808, + 0x6fd5baba, 0xf0887878, 0x4a6f2525, 0x5c722e2e, + 0x38241c1c, 0x57f1a6a6, 0x73c7b4b4, 0x9751c6c6, + 0xcb23e8e8, 0xa17cdddd, 0xe89c7474, 0x3e211f1f, + 0x96dd4b4b, 0x61dcbdbd, 0x0d868b8b, 0x0f858a8a, + 0xe0907070, 0x7c423e3e, 0x71c4b5b5, 0xccaa6666, + 0x90d84848, 0x06050303, 0xf701f6f6, 0x1c120e0e, + 0xc2a36161, 0x6a5f3535, 0xaef95757, 0x69d0b9b9, + 0x17918686, 0x9958c1c1, 0x3a271d1d, 0x27b99e9e, + 0xd938e1e1, 0xeb13f8f8, 0x2bb39898, 0x22331111, + 0xd2bb6969, 0xa970d9d9, 0x07898e8e, 0x33a79494, + 0x2db69b9b, 0x3c221e1e, 0x15928787, 0xc920e9e9, + 0x8749cece, 0xaaff5555, 0x50782828, 0xa57adfdf, + 0x038f8c8c, 0x59f8a1a1, 0x09808989, 0x1a170d0d, + 0x65dabfbf, 0xd731e6e6, 0x84c64242, 0xd0b86868, + 0x82c34141, 0x29b09999, 0x5a772d2d, 0x1e110f0f, + 0x7bcbb0b0, 0xa8fc5454, 0x6dd6bbbb, 0x2c3a1616 +} +}; + +static const u4byte it_tab[4][256] = { +{ + 0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a, + 0xcb6bab3b, 0xf1459d1f, 0xab58faac, 0x9303e34b, + 0x55fa3020, 0xf66d76ad, 0x9176cc88, 0x254c02f5, + 0xfcd7e54f, 0xd7cb2ac5, 0x80443526, 0x8fa362b5, + 0x495ab1de, 0x671bba25, 0x980eea45, 0xe1c0fe5d, + 0x02752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b, + 0xe75f8f03, 0x959c9215, 0xeb7a6dbf, 0xda595295, + 0x2d83bed4, 0xd3217458, 0x2969e049, 0x44c8c98e, + 0x6a89c275, 0x78798ef4, 0x6b3e5899, 0xdd71b927, + 0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d, + 0x184adf63, 0x82311ae5, 0x60335197, 0x457f5362, + 0xe07764b1, 0x84ae6bbb, 0x1ca081fe, 0x942b08f9, + 0x58684870, 0x19fd458f, 0x876cde94, 0xb7f87b52, + 0x23d373ab, 0xe2024b72, 0x578f1fe3, 0x2aab5566, + 0x0728ebb2, 0x03c2b52f, 0x9a7bc586, 0xa50837d3, + 0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed, + 0x2b1ccf8a, 0x92b479a7, 0xf0f207f3, 0xa1e2694e, + 0xcdf4da65, 0xd5be0506, 0x1f6234d1, 0x8afea6c4, + 0x9d532e34, 0xa055f3a2, 0x32e18a05, 0x75ebf6a4, + 0x39ec830b, 0xaaef6040, 0x069f715e, 0x51106ebd, + 0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d, + 0xb58d5491, 0x055dc471, 0x6fd40604, 0xff155060, + 0x24fb9819, 0x97e9bdd6, 0xcc434089, 0x779ed967, + 0xbd42e8b0, 0x888b8907, 0x385b19e7, 0xdbeec879, + 0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x00000000, + 0x83868009, 0x48ed2b32, 0xac70111e, 0x4e725a6c, + 0xfbff0efd, 0x5638850f, 0x1ed5ae3d, 0x27392d36, + 0x64d90f0a, 0x21a65c68, 0xd1545b9b, 0x3a2e3624, + 0xb1670a0c, 0x0fe75793, 0xd296eeb4, 0x9e919b1b, + 0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c, + 0x0aba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12, + 0x0b0d090e, 0xadc78bf2, 0xb9a8b62d, 0xc8a91e14, + 0x8519f157, 0x4c0775af, 0xbbdd99ee, 0xfd607fa3, + 0x9f2601f7, 0xbcf5725c, 0xc53b6644, 0x347efb5b, + 0x7629438b, 0xdcc623cb, 0x68fcedb6, 0x63f1e4b8, + 0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684, + 0x7d244a85, 0xf83dbbd2, 0x1132f9ae, 0x6da129c7, + 0x4b2f9e1d, 0xf330b2dc, 0xec52860d, 0xd0e3c177, + 0x6c16b32b, 0x99b970a9, 0xfa489411, 0x2264e947, + 0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322, + 0xc74e4987, 0xc1d138d9, 0xfea2ca8c, 0x360bd498, + 0xcf81f5a6, 0x28de7aa5, 0x268eb7da, 0xa4bfad3f, + 0xe49d3a2c, 0x0d927850, 0x9bcc5f6a, 0x62467e54, + 0xc2138df6, 0xe8b8d890, 0x5ef7392e, 0xf5afc382, + 0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf, + 0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb, + 0x097826cd, 0xf418596e, 0x01b79aec, 0xa89a4f83, + 0x656e95e6, 0x7ee6ffaa, 0x08cfbc21, 0xe6e815ef, + 0xd99be7ba, 0xce366f4a, 0xd4099fea, 0xd67cb029, + 0xafb2a431, 0x31233f2a, 0x3094a5c6, 0xc066a235, + 0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733, + 0x4a9804f1, 0xf7daec41, 0x0e50cd7f, 0x2ff69117, + 0x8dd64d76, 0x4db0ef43, 0x544daacc, 0xdf0496e4, + 0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, 0x7f516546, + 0x04ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb, + 0x5a1d67b3, 0x52d2db92, 0x335610e9, 0x1347d66d, + 0x8c61d79a, 0x7a0ca137, 0x8e14f859, 0x893c13eb, + 0xee27a9ce, 0x35c961b7, 0xede51ce1, 0x3cb1477a, + 0x59dfd29c, 0x3f73f255, 0x79ce1418, 0xbf37c773, + 0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478, + 0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2, + 0x72c31d16, 0x0c25e2bc, 0x8b493c28, 0x41950dff, + 0x7101a839, 0xdeb30c08, 0x9ce4b4d8, 0x90c15664, + 0x6184cb7b, 0x70b632d5, 0x745c6c48, 0x4257b8d0 +}, { + 0xa7f45150, 0x65417e53, 0xa4171ac3, 0x5e273a96, + 0x6bab3bcb, 0x459d1ff1, 0x58faacab, 0x03e34b93, + 0xfa302055, 0x6d76adf6, 0x76cc8891, 0x4c02f525, + 0xd7e54ffc, 0xcb2ac5d7, 0x44352680, 0xa362b58f, + 0x5ab1de49, 0x1bba2567, 0x0eea4598, 0xc0fe5de1, + 0x752fc302, 0xf04c8112, 0x97468da3, 0xf9d36bc6, + 0x5f8f03e7, 0x9c921595, 0x7a6dbfeb, 0x595295da, + 0x83bed42d, 0x217458d3, 0x69e04929, 0xc8c98e44, + 0x89c2756a, 0x798ef478, 0x3e58996b, 0x71b927dd, + 0x4fe1beb6, 0xad88f017, 0xac20c966, 0x3ace7db4, + 0x4adf6318, 0x311ae582, 0x33519760, 0x7f536245, + 0x7764b1e0, 0xae6bbb84, 0xa081fe1c, 0x2b08f994, + 0x68487058, 0xfd458f19, 0x6cde9487, 0xf87b52b7, + 0xd373ab23, 0x024b72e2, 0x8f1fe357, 0xab55662a, + 0x28ebb207, 0xc2b52f03, 0x7bc5869a, 0x0837d3a5, + 0x872830f2, 0xa5bf23b2, 0x6a0302ba, 0x8216ed5c, + 0x1ccf8a2b, 0xb479a792, 0xf207f3f0, 0xe2694ea1, + 0xf4da65cd, 0xbe0506d5, 0x6234d11f, 0xfea6c48a, + 0x532e349d, 0x55f3a2a0, 0xe18a0532, 0xebf6a475, + 0xec830b39, 0xef6040aa, 0x9f715e06, 0x106ebd51, + 0x8a213ef9, 0x06dd963d, 0x053eddae, 0xbde64d46, + 0x8d5491b5, 0x5dc47105, 0xd406046f, 0x155060ff, + 0xfb981924, 0xe9bdd697, 0x434089cc, 0x9ed96777, + 0x42e8b0bd, 0x8b890788, 0x5b19e738, 0xeec879db, + 0x0a7ca147, 0x0f427ce9, 0x1e84f8c9, 0x00000000, + 0x86800983, 0xed2b3248, 0x70111eac, 0x725a6c4e, + 0xff0efdfb, 0x38850f56, 0xd5ae3d1e, 0x392d3627, + 0xd90f0a64, 0xa65c6821, 0x545b9bd1, 0x2e36243a, + 0x670a0cb1, 0xe757930f, 0x96eeb4d2, 0x919b1b9e, + 0xc5c0804f, 0x20dc61a2, 0x4b775a69, 0x1a121c16, + 0xba93e20a, 0x2aa0c0e5, 0xe0223c43, 0x171b121d, + 0x0d090e0b, 0xc78bf2ad, 0xa8b62db9, 0xa91e14c8, + 0x19f15785, 0x0775af4c, 0xdd99eebb, 0x607fa3fd, + 0x2601f79f, 0xf5725cbc, 0x3b6644c5, 0x7efb5b34, + 0x29438b76, 0xc623cbdc, 0xfcedb668, 0xf1e4b863, + 0xdc31d7ca, 0x85634210, 0x22971340, 0x11c68420, + 0x244a857d, 0x3dbbd2f8, 0x32f9ae11, 0xa129c76d, + 0x2f9e1d4b, 0x30b2dcf3, 0x52860dec, 0xe3c177d0, + 0x16b32b6c, 0xb970a999, 0x489411fa, 0x64e94722, + 0x8cfca8c4, 0x3ff0a01a, 0x2c7d56d8, 0x903322ef, + 0x4e4987c7, 0xd138d9c1, 0xa2ca8cfe, 0x0bd49836, + 0x81f5a6cf, 0xde7aa528, 0x8eb7da26, 0xbfad3fa4, + 0x9d3a2ce4, 0x9278500d, 0xcc5f6a9b, 0x467e5462, + 0x138df6c2, 0xb8d890e8, 0xf7392e5e, 0xafc382f5, + 0x805d9fbe, 0x93d0697c, 0x2dd56fa9, 0x1225cfb3, + 0x99acc83b, 0x7d1810a7, 0x639ce86e, 0xbb3bdb7b, + 0x7826cd09, 0x18596ef4, 0xb79aec01, 0x9a4f83a8, + 0x6e95e665, 0xe6ffaa7e, 0xcfbc2108, 0xe815efe6, + 0x9be7bad9, 0x366f4ace, 0x099fead4, 0x7cb029d6, + 0xb2a431af, 0x233f2a31, 0x94a5c630, 0x66a235c0, + 0xbc4e7437, 0xca82fca6, 0xd090e0b0, 0xd8a73315, + 0x9804f14a, 0xdaec41f7, 0x50cd7f0e, 0xf691172f, + 0xd64d768d, 0xb0ef434d, 0x4daacc54, 0x0496e4df, + 0xb5d19ee3, 0x886a4c1b, 0x1f2cc1b8, 0x5165467f, + 0xea5e9d04, 0x358c015d, 0x7487fa73, 0x410bfb2e, + 0x1d67b35a, 0xd2db9252, 0x5610e933, 0x47d66d13, + 0x61d79a8c, 0x0ca1377a, 0x14f8598e, 0x3c13eb89, + 0x27a9ceee, 0xc961b735, 0xe51ce1ed, 0xb1477a3c, + 0xdfd29c59, 0x73f2553f, 0xce141879, 0x37c773bf, + 0xcdf753ea, 0xaafd5f5b, 0x6f3ddf14, 0xdb447886, + 0xf3afca81, 0xc468b93e, 0x3424382c, 0x40a3c25f, + 0xc31d1672, 0x25e2bc0c, 0x493c288b, 0x950dff41, + 0x01a83971, 0xb30c08de, 0xe4b4d89c, 0xc1566490, + 0x84cb7b61, 0xb632d570, 0x5c6c4874, 0x57b8d042 +}, { + 0xf45150a7, 0x417e5365, 0x171ac3a4, 0x273a965e, + 0xab3bcb6b, 0x9d1ff145, 0xfaacab58, 0xe34b9303, + 0x302055fa, 0x76adf66d, 0xcc889176, 0x02f5254c, + 0xe54ffcd7, 0x2ac5d7cb, 0x35268044, 0x62b58fa3, + 0xb1de495a, 0xba25671b, 0xea45980e, 0xfe5de1c0, + 0x2fc30275, 0x4c8112f0, 0x468da397, 0xd36bc6f9, + 0x8f03e75f, 0x9215959c, 0x6dbfeb7a, 0x5295da59, + 0xbed42d83, 0x7458d321, 0xe0492969, 0xc98e44c8, + 0xc2756a89, 0x8ef47879, 0x58996b3e, 0xb927dd71, + 0xe1beb64f, 0x88f017ad, 0x20c966ac, 0xce7db43a, + 0xdf63184a, 0x1ae58231, 0x51976033, 0x5362457f, + 0x64b1e077, 0x6bbb84ae, 0x81fe1ca0, 0x08f9942b, + 0x48705868, 0x458f19fd, 0xde94876c, 0x7b52b7f8, + 0x73ab23d3, 0x4b72e202, 0x1fe3578f, 0x55662aab, + 0xebb20728, 0xb52f03c2, 0xc5869a7b, 0x37d3a508, + 0x2830f287, 0xbf23b2a5, 0x0302ba6a, 0x16ed5c82, + 0xcf8a2b1c, 0x79a792b4, 0x07f3f0f2, 0x694ea1e2, + 0xda65cdf4, 0x0506d5be, 0x34d11f62, 0xa6c48afe, + 0x2e349d53, 0xf3a2a055, 0x8a0532e1, 0xf6a475eb, + 0x830b39ec, 0x6040aaef, 0x715e069f, 0x6ebd5110, + 0x213ef98a, 0xdd963d06, 0x3eddae05, 0xe64d46bd, + 0x5491b58d, 0xc471055d, 0x06046fd4, 0x5060ff15, + 0x981924fb, 0xbdd697e9, 0x4089cc43, 0xd967779e, + 0xe8b0bd42, 0x8907888b, 0x19e7385b, 0xc879dbee, + 0x7ca1470a, 0x427ce90f, 0x84f8c91e, 0x00000000, + 0x80098386, 0x2b3248ed, 0x111eac70, 0x5a6c4e72, + 0x0efdfbff, 0x850f5638, 0xae3d1ed5, 0x2d362739, + 0x0f0a64d9, 0x5c6821a6, 0x5b9bd154, 0x36243a2e, + 0x0a0cb167, 0x57930fe7, 0xeeb4d296, 0x9b1b9e91, + 0xc0804fc5, 0xdc61a220, 0x775a694b, 0x121c161a, + 0x93e20aba, 0xa0c0e52a, 0x223c43e0, 0x1b121d17, + 0x090e0b0d, 0x8bf2adc7, 0xb62db9a8, 0x1e14c8a9, + 0xf1578519, 0x75af4c07, 0x99eebbdd, 0x7fa3fd60, + 0x01f79f26, 0x725cbcf5, 0x6644c53b, 0xfb5b347e, + 0x438b7629, 0x23cbdcc6, 0xedb668fc, 0xe4b863f1, + 0x31d7cadc, 0x63421085, 0x97134022, 0xc6842011, + 0x4a857d24, 0xbbd2f83d, 0xf9ae1132, 0x29c76da1, + 0x9e1d4b2f, 0xb2dcf330, 0x860dec52, 0xc177d0e3, + 0xb32b6c16, 0x70a999b9, 0x9411fa48, 0xe9472264, + 0xfca8c48c, 0xf0a01a3f, 0x7d56d82c, 0x3322ef90, + 0x4987c74e, 0x38d9c1d1, 0xca8cfea2, 0xd498360b, + 0xf5a6cf81, 0x7aa528de, 0xb7da268e, 0xad3fa4bf, + 0x3a2ce49d, 0x78500d92, 0x5f6a9bcc, 0x7e546246, + 0x8df6c213, 0xd890e8b8, 0x392e5ef7, 0xc382f5af, + 0x5d9fbe80, 0xd0697c93, 0xd56fa92d, 0x25cfb312, + 0xacc83b99, 0x1810a77d, 0x9ce86e63, 0x3bdb7bbb, + 0x26cd0978, 0x596ef418, 0x9aec01b7, 0x4f83a89a, + 0x95e6656e, 0xffaa7ee6, 0xbc2108cf, 0x15efe6e8, + 0xe7bad99b, 0x6f4ace36, 0x9fead409, 0xb029d67c, + 0xa431afb2, 0x3f2a3123, 0xa5c63094, 0xa235c066, + 0x4e7437bc, 0x82fca6ca, 0x90e0b0d0, 0xa73315d8, + 0x04f14a98, 0xec41f7da, 0xcd7f0e50, 0x91172ff6, + 0x4d768dd6, 0xef434db0, 0xaacc544d, 0x96e4df04, + 0xd19ee3b5, 0x6a4c1b88, 0x2cc1b81f, 0x65467f51, + 0x5e9d04ea, 0x8c015d35, 0x87fa7374, 0x0bfb2e41, + 0x67b35a1d, 0xdb9252d2, 0x10e93356, 0xd66d1347, + 0xd79a8c61, 0xa1377a0c, 0xf8598e14, 0x13eb893c, + 0xa9ceee27, 0x61b735c9, 0x1ce1ede5, 0x477a3cb1, + 0xd29c59df, 0xf2553f73, 0x141879ce, 0xc773bf37, + 0xf753eacd, 0xfd5f5baa, 0x3ddf146f, 0x447886db, + 0xafca81f3, 0x68b93ec4, 0x24382c34, 0xa3c25f40, + 0x1d1672c3, 0xe2bc0c25, 0x3c288b49, 0x0dff4195, + 0xa8397101, 0x0c08deb3, 0xb4d89ce4, 0x566490c1, + 0xcb7b6184, 0x32d570b6, 0x6c48745c, 0xb8d04257 +}, { + 0x5150a7f4, 0x7e536541, 0x1ac3a417, 0x3a965e27, + 0x3bcb6bab, 0x1ff1459d, 0xacab58fa, 0x4b9303e3, + 0x2055fa30, 0xadf66d76, 0x889176cc, 0xf5254c02, + 0x4ffcd7e5, 0xc5d7cb2a, 0x26804435, 0xb58fa362, + 0xde495ab1, 0x25671bba, 0x45980eea, 0x5de1c0fe, + 0xc302752f, 0x8112f04c, 0x8da39746, 0x6bc6f9d3, + 0x03e75f8f, 0x15959c92, 0xbfeb7a6d, 0x95da5952, + 0xd42d83be, 0x58d32174, 0x492969e0, 0x8e44c8c9, + 0x756a89c2, 0xf478798e, 0x996b3e58, 0x27dd71b9, + 0xbeb64fe1, 0xf017ad88, 0xc966ac20, 0x7db43ace, + 0x63184adf, 0xe582311a, 0x97603351, 0x62457f53, + 0xb1e07764, 0xbb84ae6b, 0xfe1ca081, 0xf9942b08, + 0x70586848, 0x8f19fd45, 0x94876cde, 0x52b7f87b, + 0xab23d373, 0x72e2024b, 0xe3578f1f, 0x662aab55, + 0xb20728eb, 0x2f03c2b5, 0x869a7bc5, 0xd3a50837, + 0x30f28728, 0x23b2a5bf, 0x02ba6a03, 0xed5c8216, + 0x8a2b1ccf, 0xa792b479, 0xf3f0f207, 0x4ea1e269, + 0x65cdf4da, 0x06d5be05, 0xd11f6234, 0xc48afea6, + 0x349d532e, 0xa2a055f3, 0x0532e18a, 0xa475ebf6, + 0x0b39ec83, 0x40aaef60, 0x5e069f71, 0xbd51106e, + 0x3ef98a21, 0x963d06dd, 0xddae053e, 0x4d46bde6, + 0x91b58d54, 0x71055dc4, 0x046fd406, 0x60ff1550, + 0x1924fb98, 0xd697e9bd, 0x89cc4340, 0x67779ed9, + 0xb0bd42e8, 0x07888b89, 0xe7385b19, 0x79dbeec8, + 0xa1470a7c, 0x7ce90f42, 0xf8c91e84, 0x00000000, + 0x09838680, 0x3248ed2b, 0x1eac7011, 0x6c4e725a, + 0xfdfbff0e, 0x0f563885, 0x3d1ed5ae, 0x3627392d, + 0x0a64d90f, 0x6821a65c, 0x9bd1545b, 0x243a2e36, + 0x0cb1670a, 0x930fe757, 0xb4d296ee, 0x1b9e919b, + 0x804fc5c0, 0x61a220dc, 0x5a694b77, 0x1c161a12, + 0xe20aba93, 0xc0e52aa0, 0x3c43e022, 0x121d171b, + 0x0e0b0d09, 0xf2adc78b, 0x2db9a8b6, 0x14c8a91e, + 0x578519f1, 0xaf4c0775, 0xeebbdd99, 0xa3fd607f, + 0xf79f2601, 0x5cbcf572, 0x44c53b66, 0x5b347efb, + 0x8b762943, 0xcbdcc623, 0xb668fced, 0xb863f1e4, + 0xd7cadc31, 0x42108563, 0x13402297, 0x842011c6, + 0x857d244a, 0xd2f83dbb, 0xae1132f9, 0xc76da129, + 0x1d4b2f9e, 0xdcf330b2, 0x0dec5286, 0x77d0e3c1, + 0x2b6c16b3, 0xa999b970, 0x11fa4894, 0x472264e9, + 0xa8c48cfc, 0xa01a3ff0, 0x56d82c7d, 0x22ef9033, + 0x87c74e49, 0xd9c1d138, 0x8cfea2ca, 0x98360bd4, + 0xa6cf81f5, 0xa528de7a, 0xda268eb7, 0x3fa4bfad, + 0x2ce49d3a, 0x500d9278, 0x6a9bcc5f, 0x5462467e, + 0xf6c2138d, 0x90e8b8d8, 0x2e5ef739, 0x82f5afc3, + 0x9fbe805d, 0x697c93d0, 0x6fa92dd5, 0xcfb31225, + 0xc83b99ac, 0x10a77d18, 0xe86e639c, 0xdb7bbb3b, + 0xcd097826, 0x6ef41859, 0xec01b79a, 0x83a89a4f, + 0xe6656e95, 0xaa7ee6ff, 0x2108cfbc, 0xefe6e815, + 0xbad99be7, 0x4ace366f, 0xead4099f, 0x29d67cb0, + 0x31afb2a4, 0x2a31233f, 0xc63094a5, 0x35c066a2, + 0x7437bc4e, 0xfca6ca82, 0xe0b0d090, 0x3315d8a7, + 0xf14a9804, 0x41f7daec, 0x7f0e50cd, 0x172ff691, + 0x768dd64d, 0x434db0ef, 0xcc544daa, 0xe4df0496, + 0x9ee3b5d1, 0x4c1b886a, 0xc1b81f2c, 0x467f5165, + 0x9d04ea5e, 0x015d358c, 0xfa737487, 0xfb2e410b, + 0xb35a1d67, 0x9252d2db, 0xe9335610, 0x6d1347d6, + 0x9a8c61d7, 0x377a0ca1, 0x598e14f8, 0xeb893c13, + 0xceee27a9, 0xb735c961, 0xe1ede51c, 0x7a3cb147, + 0x9c59dfd2, 0x553f73f2, 0x1879ce14, 0x73bf37c7, + 0x53eacdf7, 0x5f5baafd, 0xdf146f3d, 0x7886db44, + 0xca81f3af, 0xb93ec468, 0x382c3424, 0xc25f40a3, + 0x1672c31d, 0xbc0c25e2, 0x288b493c, 0xff41950d, + 0x397101a8, 0x08deb30c, 0xd89ce4b4, 0x6490c156, + 0x7b6184cb, 0xd570b632, 0x48745c6c, 0xd04257b8 +} +}; + +static const u4byte fl_tab[4][256] = { +{ + 0x00000063, 0x0000007c, 0x00000077, 0x0000007b, + 0x000000f2, 0x0000006b, 0x0000006f, 0x000000c5, + 0x00000030, 0x00000001, 0x00000067, 0x0000002b, + 0x000000fe, 0x000000d7, 0x000000ab, 0x00000076, + 0x000000ca, 0x00000082, 0x000000c9, 0x0000007d, + 0x000000fa, 0x00000059, 0x00000047, 0x000000f0, + 0x000000ad, 0x000000d4, 0x000000a2, 0x000000af, + 0x0000009c, 0x000000a4, 0x00000072, 0x000000c0, + 0x000000b7, 0x000000fd, 0x00000093, 0x00000026, + 0x00000036, 0x0000003f, 0x000000f7, 0x000000cc, + 0x00000034, 0x000000a5, 0x000000e5, 0x000000f1, + 0x00000071, 0x000000d8, 0x00000031, 0x00000015, + 0x00000004, 0x000000c7, 0x00000023, 0x000000c3, + 0x00000018, 0x00000096, 0x00000005, 0x0000009a, + 0x00000007, 0x00000012, 0x00000080, 0x000000e2, + 0x000000eb, 0x00000027, 0x000000b2, 0x00000075, + 0x00000009, 0x00000083, 0x0000002c, 0x0000001a, + 0x0000001b, 0x0000006e, 0x0000005a, 0x000000a0, + 0x00000052, 0x0000003b, 0x000000d6, 0x000000b3, + 0x00000029, 0x000000e3, 0x0000002f, 0x00000084, + 0x00000053, 0x000000d1, 0x00000000, 0x000000ed, + 0x00000020, 0x000000fc, 0x000000b1, 0x0000005b, + 0x0000006a, 0x000000cb, 0x000000be, 0x00000039, + 0x0000004a, 0x0000004c, 0x00000058, 0x000000cf, + 0x000000d0, 0x000000ef, 0x000000aa, 0x000000fb, + 0x00000043, 0x0000004d, 0x00000033, 0x00000085, + 0x00000045, 0x000000f9, 0x00000002, 0x0000007f, + 0x00000050, 0x0000003c, 0x0000009f, 0x000000a8, + 0x00000051, 0x000000a3, 0x00000040, 0x0000008f, + 0x00000092, 0x0000009d, 0x00000038, 0x000000f5, + 0x000000bc, 0x000000b6, 0x000000da, 0x00000021, + 0x00000010, 0x000000ff, 0x000000f3, 0x000000d2, + 0x000000cd, 0x0000000c, 0x00000013, 0x000000ec, + 0x0000005f, 0x00000097, 0x00000044, 0x00000017, + 0x000000c4, 0x000000a7, 0x0000007e, 0x0000003d, + 0x00000064, 0x0000005d, 0x00000019, 0x00000073, + 0x00000060, 0x00000081, 0x0000004f, 0x000000dc, + 0x00000022, 0x0000002a, 0x00000090, 0x00000088, + 0x00000046, 0x000000ee, 0x000000b8, 0x00000014, + 0x000000de, 0x0000005e, 0x0000000b, 0x000000db, + 0x000000e0, 0x00000032, 0x0000003a, 0x0000000a, + 0x00000049, 0x00000006, 0x00000024, 0x0000005c, + 0x000000c2, 0x000000d3, 0x000000ac, 0x00000062, + 0x00000091, 0x00000095, 0x000000e4, 0x00000079, + 0x000000e7, 0x000000c8, 0x00000037, 0x0000006d, + 0x0000008d, 0x000000d5, 0x0000004e, 0x000000a9, + 0x0000006c, 0x00000056, 0x000000f4, 0x000000ea, + 0x00000065, 0x0000007a, 0x000000ae, 0x00000008, + 0x000000ba, 0x00000078, 0x00000025, 0x0000002e, + 0x0000001c, 0x000000a6, 0x000000b4, 0x000000c6, + 0x000000e8, 0x000000dd, 0x00000074, 0x0000001f, + 0x0000004b, 0x000000bd, 0x0000008b, 0x0000008a, + 0x00000070, 0x0000003e, 0x000000b5, 0x00000066, + 0x00000048, 0x00000003, 0x000000f6, 0x0000000e, + 0x00000061, 0x00000035, 0x00000057, 0x000000b9, + 0x00000086, 0x000000c1, 0x0000001d, 0x0000009e, + 0x000000e1, 0x000000f8, 0x00000098, 0x00000011, + 0x00000069, 0x000000d9, 0x0000008e, 0x00000094, + 0x0000009b, 0x0000001e, 0x00000087, 0x000000e9, + 0x000000ce, 0x00000055, 0x00000028, 0x000000df, + 0x0000008c, 0x000000a1, 0x00000089, 0x0000000d, + 0x000000bf, 0x000000e6, 0x00000042, 0x00000068, + 0x00000041, 0x00000099, 0x0000002d, 0x0000000f, + 0x000000b0, 0x00000054, 0x000000bb, 0x00000016 +}, { + 0x00006300, 0x00007c00, 0x00007700, 0x00007b00, + 0x0000f200, 0x00006b00, 0x00006f00, 0x0000c500, + 0x00003000, 0x00000100, 0x00006700, 0x00002b00, + 0x0000fe00, 0x0000d700, 0x0000ab00, 0x00007600, + 0x0000ca00, 0x00008200, 0x0000c900, 0x00007d00, + 0x0000fa00, 0x00005900, 0x00004700, 0x0000f000, + 0x0000ad00, 0x0000d400, 0x0000a200, 0x0000af00, + 0x00009c00, 0x0000a400, 0x00007200, 0x0000c000, + 0x0000b700, 0x0000fd00, 0x00009300, 0x00002600, + 0x00003600, 0x00003f00, 0x0000f700, 0x0000cc00, + 0x00003400, 0x0000a500, 0x0000e500, 0x0000f100, + 0x00007100, 0x0000d800, 0x00003100, 0x00001500, + 0x00000400, 0x0000c700, 0x00002300, 0x0000c300, + 0x00001800, 0x00009600, 0x00000500, 0x00009a00, + 0x00000700, 0x00001200, 0x00008000, 0x0000e200, + 0x0000eb00, 0x00002700, 0x0000b200, 0x00007500, + 0x00000900, 0x00008300, 0x00002c00, 0x00001a00, + 0x00001b00, 0x00006e00, 0x00005a00, 0x0000a000, + 0x00005200, 0x00003b00, 0x0000d600, 0x0000b300, + 0x00002900, 0x0000e300, 0x00002f00, 0x00008400, + 0x00005300, 0x0000d100, 0x00000000, 0x0000ed00, + 0x00002000, 0x0000fc00, 0x0000b100, 0x00005b00, + 0x00006a00, 0x0000cb00, 0x0000be00, 0x00003900, + 0x00004a00, 0x00004c00, 0x00005800, 0x0000cf00, + 0x0000d000, 0x0000ef00, 0x0000aa00, 0x0000fb00, + 0x00004300, 0x00004d00, 0x00003300, 0x00008500, + 0x00004500, 0x0000f900, 0x00000200, 0x00007f00, + 0x00005000, 0x00003c00, 0x00009f00, 0x0000a800, + 0x00005100, 0x0000a300, 0x00004000, 0x00008f00, + 0x00009200, 0x00009d00, 0x00003800, 0x0000f500, + 0x0000bc00, 0x0000b600, 0x0000da00, 0x00002100, + 0x00001000, 0x0000ff00, 0x0000f300, 0x0000d200, + 0x0000cd00, 0x00000c00, 0x00001300, 0x0000ec00, + 0x00005f00, 0x00009700, 0x00004400, 0x00001700, + 0x0000c400, 0x0000a700, 0x00007e00, 0x00003d00, + 0x00006400, 0x00005d00, 0x00001900, 0x00007300, + 0x00006000, 0x00008100, 0x00004f00, 0x0000dc00, + 0x00002200, 0x00002a00, 0x00009000, 0x00008800, + 0x00004600, 0x0000ee00, 0x0000b800, 0x00001400, + 0x0000de00, 0x00005e00, 0x00000b00, 0x0000db00, + 0x0000e000, 0x00003200, 0x00003a00, 0x00000a00, + 0x00004900, 0x00000600, 0x00002400, 0x00005c00, + 0x0000c200, 0x0000d300, 0x0000ac00, 0x00006200, + 0x00009100, 0x00009500, 0x0000e400, 0x00007900, + 0x0000e700, 0x0000c800, 0x00003700, 0x00006d00, + 0x00008d00, 0x0000d500, 0x00004e00, 0x0000a900, + 0x00006c00, 0x00005600, 0x0000f400, 0x0000ea00, + 0x00006500, 0x00007a00, 0x0000ae00, 0x00000800, + 0x0000ba00, 0x00007800, 0x00002500, 0x00002e00, + 0x00001c00, 0x0000a600, 0x0000b400, 0x0000c600, + 0x0000e800, 0x0000dd00, 0x00007400, 0x00001f00, + 0x00004b00, 0x0000bd00, 0x00008b00, 0x00008a00, + 0x00007000, 0x00003e00, 0x0000b500, 0x00006600, + 0x00004800, 0x00000300, 0x0000f600, 0x00000e00, + 0x00006100, 0x00003500, 0x00005700, 0x0000b900, + 0x00008600, 0x0000c100, 0x00001d00, 0x00009e00, + 0x0000e100, 0x0000f800, 0x00009800, 0x00001100, + 0x00006900, 0x0000d900, 0x00008e00, 0x00009400, + 0x00009b00, 0x00001e00, 0x00008700, 0x0000e900, + 0x0000ce00, 0x00005500, 0x00002800, 0x0000df00, + 0x00008c00, 0x0000a100, 0x00008900, 0x00000d00, + 0x0000bf00, 0x0000e600, 0x00004200, 0x00006800, + 0x00004100, 0x00009900, 0x00002d00, 0x00000f00, + 0x0000b000, 0x00005400, 0x0000bb00, 0x00001600 +}, { + 0x00630000, 0x007c0000, 0x00770000, 0x007b0000, + 0x00f20000, 0x006b0000, 0x006f0000, 0x00c50000, + 0x00300000, 0x00010000, 0x00670000, 0x002b0000, + 0x00fe0000, 0x00d70000, 0x00ab0000, 0x00760000, + 0x00ca0000, 0x00820000, 0x00c90000, 0x007d0000, + 0x00fa0000, 0x00590000, 0x00470000, 0x00f00000, + 0x00ad0000, 0x00d40000, 0x00a20000, 0x00af0000, + 0x009c0000, 0x00a40000, 0x00720000, 0x00c00000, + 0x00b70000, 0x00fd0000, 0x00930000, 0x00260000, + 0x00360000, 0x003f0000, 0x00f70000, 0x00cc0000, + 0x00340000, 0x00a50000, 0x00e50000, 0x00f10000, + 0x00710000, 0x00d80000, 0x00310000, 0x00150000, + 0x00040000, 0x00c70000, 0x00230000, 0x00c30000, + 0x00180000, 0x00960000, 0x00050000, 0x009a0000, + 0x00070000, 0x00120000, 0x00800000, 0x00e20000, + 0x00eb0000, 0x00270000, 0x00b20000, 0x00750000, + 0x00090000, 0x00830000, 0x002c0000, 0x001a0000, + 0x001b0000, 0x006e0000, 0x005a0000, 0x00a00000, + 0x00520000, 0x003b0000, 0x00d60000, 0x00b30000, + 0x00290000, 0x00e30000, 0x002f0000, 0x00840000, + 0x00530000, 0x00d10000, 0x00000000, 0x00ed0000, + 0x00200000, 0x00fc0000, 0x00b10000, 0x005b0000, + 0x006a0000, 0x00cb0000, 0x00be0000, 0x00390000, + 0x004a0000, 0x004c0000, 0x00580000, 0x00cf0000, + 0x00d00000, 0x00ef0000, 0x00aa0000, 0x00fb0000, + 0x00430000, 0x004d0000, 0x00330000, 0x00850000, + 0x00450000, 0x00f90000, 0x00020000, 0x007f0000, + 0x00500000, 0x003c0000, 0x009f0000, 0x00a80000, + 0x00510000, 0x00a30000, 0x00400000, 0x008f0000, + 0x00920000, 0x009d0000, 0x00380000, 0x00f50000, + 0x00bc0000, 0x00b60000, 0x00da0000, 0x00210000, + 0x00100000, 0x00ff0000, 0x00f30000, 0x00d20000, + 0x00cd0000, 0x000c0000, 0x00130000, 0x00ec0000, + 0x005f0000, 0x00970000, 0x00440000, 0x00170000, + 0x00c40000, 0x00a70000, 0x007e0000, 0x003d0000, + 0x00640000, 0x005d0000, 0x00190000, 0x00730000, + 0x00600000, 0x00810000, 0x004f0000, 0x00dc0000, + 0x00220000, 0x002a0000, 0x00900000, 0x00880000, + 0x00460000, 0x00ee0000, 0x00b80000, 0x00140000, + 0x00de0000, 0x005e0000, 0x000b0000, 0x00db0000, + 0x00e00000, 0x00320000, 0x003a0000, 0x000a0000, + 0x00490000, 0x00060000, 0x00240000, 0x005c0000, + 0x00c20000, 0x00d30000, 0x00ac0000, 0x00620000, + 0x00910000, 0x00950000, 0x00e40000, 0x00790000, + 0x00e70000, 0x00c80000, 0x00370000, 0x006d0000, + 0x008d0000, 0x00d50000, 0x004e0000, 0x00a90000, + 0x006c0000, 0x00560000, 0x00f40000, 0x00ea0000, + 0x00650000, 0x007a0000, 0x00ae0000, 0x00080000, + 0x00ba0000, 0x00780000, 0x00250000, 0x002e0000, + 0x001c0000, 0x00a60000, 0x00b40000, 0x00c60000, + 0x00e80000, 0x00dd0000, 0x00740000, 0x001f0000, + 0x004b0000, 0x00bd0000, 0x008b0000, 0x008a0000, + 0x00700000, 0x003e0000, 0x00b50000, 0x00660000, + 0x00480000, 0x00030000, 0x00f60000, 0x000e0000, + 0x00610000, 0x00350000, 0x00570000, 0x00b90000, + 0x00860000, 0x00c10000, 0x001d0000, 0x009e0000, + 0x00e10000, 0x00f80000, 0x00980000, 0x00110000, + 0x00690000, 0x00d90000, 0x008e0000, 0x00940000, + 0x009b0000, 0x001e0000, 0x00870000, 0x00e90000, + 0x00ce0000, 0x00550000, 0x00280000, 0x00df0000, + 0x008c0000, 0x00a10000, 0x00890000, 0x000d0000, + 0x00bf0000, 0x00e60000, 0x00420000, 0x00680000, + 0x00410000, 0x00990000, 0x002d0000, 0x000f0000, + 0x00b00000, 0x00540000, 0x00bb0000, 0x00160000 +}, { + 0x63000000, 0x7c000000, 0x77000000, 0x7b000000, + 0xf2000000, 0x6b000000, 0x6f000000, 0xc5000000, + 0x30000000, 0x01000000, 0x67000000, 0x2b000000, + 0xfe000000, 0xd7000000, 0xab000000, 0x76000000, + 0xca000000, 0x82000000, 0xc9000000, 0x7d000000, + 0xfa000000, 0x59000000, 0x47000000, 0xf0000000, + 0xad000000, 0xd4000000, 0xa2000000, 0xaf000000, + 0x9c000000, 0xa4000000, 0x72000000, 0xc0000000, + 0xb7000000, 0xfd000000, 0x93000000, 0x26000000, + 0x36000000, 0x3f000000, 0xf7000000, 0xcc000000, + 0x34000000, 0xa5000000, 0xe5000000, 0xf1000000, + 0x71000000, 0xd8000000, 0x31000000, 0x15000000, + 0x04000000, 0xc7000000, 0x23000000, 0xc3000000, + 0x18000000, 0x96000000, 0x05000000, 0x9a000000, + 0x07000000, 0x12000000, 0x80000000, 0xe2000000, + 0xeb000000, 0x27000000, 0xb2000000, 0x75000000, + 0x09000000, 0x83000000, 0x2c000000, 0x1a000000, + 0x1b000000, 0x6e000000, 0x5a000000, 0xa0000000, + 0x52000000, 0x3b000000, 0xd6000000, 0xb3000000, + 0x29000000, 0xe3000000, 0x2f000000, 0x84000000, + 0x53000000, 0xd1000000, 0x00000000, 0xed000000, + 0x20000000, 0xfc000000, 0xb1000000, 0x5b000000, + 0x6a000000, 0xcb000000, 0xbe000000, 0x39000000, + 0x4a000000, 0x4c000000, 0x58000000, 0xcf000000, + 0xd0000000, 0xef000000, 0xaa000000, 0xfb000000, + 0x43000000, 0x4d000000, 0x33000000, 0x85000000, + 0x45000000, 0xf9000000, 0x02000000, 0x7f000000, + 0x50000000, 0x3c000000, 0x9f000000, 0xa8000000, + 0x51000000, 0xa3000000, 0x40000000, 0x8f000000, + 0x92000000, 0x9d000000, 0x38000000, 0xf5000000, + 0xbc000000, 0xb6000000, 0xda000000, 0x21000000, + 0x10000000, 0xff000000, 0xf3000000, 0xd2000000, + 0xcd000000, 0x0c000000, 0x13000000, 0xec000000, + 0x5f000000, 0x97000000, 0x44000000, 0x17000000, + 0xc4000000, 0xa7000000, 0x7e000000, 0x3d000000, + 0x64000000, 0x5d000000, 0x19000000, 0x73000000, + 0x60000000, 0x81000000, 0x4f000000, 0xdc000000, + 0x22000000, 0x2a000000, 0x90000000, 0x88000000, + 0x46000000, 0xee000000, 0xb8000000, 0x14000000, + 0xde000000, 0x5e000000, 0x0b000000, 0xdb000000, + 0xe0000000, 0x32000000, 0x3a000000, 0x0a000000, + 0x49000000, 0x06000000, 0x24000000, 0x5c000000, + 0xc2000000, 0xd3000000, 0xac000000, 0x62000000, + 0x91000000, 0x95000000, 0xe4000000, 0x79000000, + 0xe7000000, 0xc8000000, 0x37000000, 0x6d000000, + 0x8d000000, 0xd5000000, 0x4e000000, 0xa9000000, + 0x6c000000, 0x56000000, 0xf4000000, 0xea000000, + 0x65000000, 0x7a000000, 0xae000000, 0x08000000, + 0xba000000, 0x78000000, 0x25000000, 0x2e000000, + 0x1c000000, 0xa6000000, 0xb4000000, 0xc6000000, + 0xe8000000, 0xdd000000, 0x74000000, 0x1f000000, + 0x4b000000, 0xbd000000, 0x8b000000, 0x8a000000, + 0x70000000, 0x3e000000, 0xb5000000, 0x66000000, + 0x48000000, 0x03000000, 0xf6000000, 0x0e000000, + 0x61000000, 0x35000000, 0x57000000, 0xb9000000, + 0x86000000, 0xc1000000, 0x1d000000, 0x9e000000, + 0xe1000000, 0xf8000000, 0x98000000, 0x11000000, + 0x69000000, 0xd9000000, 0x8e000000, 0x94000000, + 0x9b000000, 0x1e000000, 0x87000000, 0xe9000000, + 0xce000000, 0x55000000, 0x28000000, 0xdf000000, + 0x8c000000, 0xa1000000, 0x89000000, 0x0d000000, + 0xbf000000, 0xe6000000, 0x42000000, 0x68000000, + 0x41000000, 0x99000000, 0x2d000000, 0x0f000000, + 0xb0000000, 0x54000000, 0xbb000000, 0x16000000 +} +}; + +static const u4byte il_tab[4][256] = { +{ + 0x00000052, 0x00000009, 0x0000006a, 0x000000d5, + 0x00000030, 0x00000036, 0x000000a5, 0x00000038, + 0x000000bf, 0x00000040, 0x000000a3, 0x0000009e, + 0x00000081, 0x000000f3, 0x000000d7, 0x000000fb, + 0x0000007c, 0x000000e3, 0x00000039, 0x00000082, + 0x0000009b, 0x0000002f, 0x000000ff, 0x00000087, + 0x00000034, 0x0000008e, 0x00000043, 0x00000044, + 0x000000c4, 0x000000de, 0x000000e9, 0x000000cb, + 0x00000054, 0x0000007b, 0x00000094, 0x00000032, + 0x000000a6, 0x000000c2, 0x00000023, 0x0000003d, + 0x000000ee, 0x0000004c, 0x00000095, 0x0000000b, + 0x00000042, 0x000000fa, 0x000000c3, 0x0000004e, + 0x00000008, 0x0000002e, 0x000000a1, 0x00000066, + 0x00000028, 0x000000d9, 0x00000024, 0x000000b2, + 0x00000076, 0x0000005b, 0x000000a2, 0x00000049, + 0x0000006d, 0x0000008b, 0x000000d1, 0x00000025, + 0x00000072, 0x000000f8, 0x000000f6, 0x00000064, + 0x00000086, 0x00000068, 0x00000098, 0x00000016, + 0x000000d4, 0x000000a4, 0x0000005c, 0x000000cc, + 0x0000005d, 0x00000065, 0x000000b6, 0x00000092, + 0x0000006c, 0x00000070, 0x00000048, 0x00000050, + 0x000000fd, 0x000000ed, 0x000000b9, 0x000000da, + 0x0000005e, 0x00000015, 0x00000046, 0x00000057, + 0x000000a7, 0x0000008d, 0x0000009d, 0x00000084, + 0x00000090, 0x000000d8, 0x000000ab, 0x00000000, + 0x0000008c, 0x000000bc, 0x000000d3, 0x0000000a, + 0x000000f7, 0x000000e4, 0x00000058, 0x00000005, + 0x000000b8, 0x000000b3, 0x00000045, 0x00000006, + 0x000000d0, 0x0000002c, 0x0000001e, 0x0000008f, + 0x000000ca, 0x0000003f, 0x0000000f, 0x00000002, + 0x000000c1, 0x000000af, 0x000000bd, 0x00000003, + 0x00000001, 0x00000013, 0x0000008a, 0x0000006b, + 0x0000003a, 0x00000091, 0x00000011, 0x00000041, + 0x0000004f, 0x00000067, 0x000000dc, 0x000000ea, + 0x00000097, 0x000000f2, 0x000000cf, 0x000000ce, + 0x000000f0, 0x000000b4, 0x000000e6, 0x00000073, + 0x00000096, 0x000000ac, 0x00000074, 0x00000022, + 0x000000e7, 0x000000ad, 0x00000035, 0x00000085, + 0x000000e2, 0x000000f9, 0x00000037, 0x000000e8, + 0x0000001c, 0x00000075, 0x000000df, 0x0000006e, + 0x00000047, 0x000000f1, 0x0000001a, 0x00000071, + 0x0000001d, 0x00000029, 0x000000c5, 0x00000089, + 0x0000006f, 0x000000b7, 0x00000062, 0x0000000e, + 0x000000aa, 0x00000018, 0x000000be, 0x0000001b, + 0x000000fc, 0x00000056, 0x0000003e, 0x0000004b, + 0x000000c6, 0x000000d2, 0x00000079, 0x00000020, + 0x0000009a, 0x000000db, 0x000000c0, 0x000000fe, + 0x00000078, 0x000000cd, 0x0000005a, 0x000000f4, + 0x0000001f, 0x000000dd, 0x000000a8, 0x00000033, + 0x00000088, 0x00000007, 0x000000c7, 0x00000031, + 0x000000b1, 0x00000012, 0x00000010, 0x00000059, + 0x00000027, 0x00000080, 0x000000ec, 0x0000005f, + 0x00000060, 0x00000051, 0x0000007f, 0x000000a9, + 0x00000019, 0x000000b5, 0x0000004a, 0x0000000d, + 0x0000002d, 0x000000e5, 0x0000007a, 0x0000009f, + 0x00000093, 0x000000c9, 0x0000009c, 0x000000ef, + 0x000000a0, 0x000000e0, 0x0000003b, 0x0000004d, + 0x000000ae, 0x0000002a, 0x000000f5, 0x000000b0, + 0x000000c8, 0x000000eb, 0x000000bb, 0x0000003c, + 0x00000083, 0x00000053, 0x00000099, 0x00000061, + 0x00000017, 0x0000002b, 0x00000004, 0x0000007e, + 0x000000ba, 0x00000077, 0x000000d6, 0x00000026, + 0x000000e1, 0x00000069, 0x00000014, 0x00000063, + 0x00000055, 0x00000021, 0x0000000c, 0x0000007d +}, { + 0x00005200, 0x00000900, 0x00006a00, 0x0000d500, + 0x00003000, 0x00003600, 0x0000a500, 0x00003800, + 0x0000bf00, 0x00004000, 0x0000a300, 0x00009e00, + 0x00008100, 0x0000f300, 0x0000d700, 0x0000fb00, + 0x00007c00, 0x0000e300, 0x00003900, 0x00008200, + 0x00009b00, 0x00002f00, 0x0000ff00, 0x00008700, + 0x00003400, 0x00008e00, 0x00004300, 0x00004400, + 0x0000c400, 0x0000de00, 0x0000e900, 0x0000cb00, + 0x00005400, 0x00007b00, 0x00009400, 0x00003200, + 0x0000a600, 0x0000c200, 0x00002300, 0x00003d00, + 0x0000ee00, 0x00004c00, 0x00009500, 0x00000b00, + 0x00004200, 0x0000fa00, 0x0000c300, 0x00004e00, + 0x00000800, 0x00002e00, 0x0000a100, 0x00006600, + 0x00002800, 0x0000d900, 0x00002400, 0x0000b200, + 0x00007600, 0x00005b00, 0x0000a200, 0x00004900, + 0x00006d00, 0x00008b00, 0x0000d100, 0x00002500, + 0x00007200, 0x0000f800, 0x0000f600, 0x00006400, + 0x00008600, 0x00006800, 0x00009800, 0x00001600, + 0x0000d400, 0x0000a400, 0x00005c00, 0x0000cc00, + 0x00005d00, 0x00006500, 0x0000b600, 0x00009200, + 0x00006c00, 0x00007000, 0x00004800, 0x00005000, + 0x0000fd00, 0x0000ed00, 0x0000b900, 0x0000da00, + 0x00005e00, 0x00001500, 0x00004600, 0x00005700, + 0x0000a700, 0x00008d00, 0x00009d00, 0x00008400, + 0x00009000, 0x0000d800, 0x0000ab00, 0x00000000, + 0x00008c00, 0x0000bc00, 0x0000d300, 0x00000a00, + 0x0000f700, 0x0000e400, 0x00005800, 0x00000500, + 0x0000b800, 0x0000b300, 0x00004500, 0x00000600, + 0x0000d000, 0x00002c00, 0x00001e00, 0x00008f00, + 0x0000ca00, 0x00003f00, 0x00000f00, 0x00000200, + 0x0000c100, 0x0000af00, 0x0000bd00, 0x00000300, + 0x00000100, 0x00001300, 0x00008a00, 0x00006b00, + 0x00003a00, 0x00009100, 0x00001100, 0x00004100, + 0x00004f00, 0x00006700, 0x0000dc00, 0x0000ea00, + 0x00009700, 0x0000f200, 0x0000cf00, 0x0000ce00, + 0x0000f000, 0x0000b400, 0x0000e600, 0x00007300, + 0x00009600, 0x0000ac00, 0x00007400, 0x00002200, + 0x0000e700, 0x0000ad00, 0x00003500, 0x00008500, + 0x0000e200, 0x0000f900, 0x00003700, 0x0000e800, + 0x00001c00, 0x00007500, 0x0000df00, 0x00006e00, + 0x00004700, 0x0000f100, 0x00001a00, 0x00007100, + 0x00001d00, 0x00002900, 0x0000c500, 0x00008900, + 0x00006f00, 0x0000b700, 0x00006200, 0x00000e00, + 0x0000aa00, 0x00001800, 0x0000be00, 0x00001b00, + 0x0000fc00, 0x00005600, 0x00003e00, 0x00004b00, + 0x0000c600, 0x0000d200, 0x00007900, 0x00002000, + 0x00009a00, 0x0000db00, 0x0000c000, 0x0000fe00, + 0x00007800, 0x0000cd00, 0x00005a00, 0x0000f400, + 0x00001f00, 0x0000dd00, 0x0000a800, 0x00003300, + 0x00008800, 0x00000700, 0x0000c700, 0x00003100, + 0x0000b100, 0x00001200, 0x00001000, 0x00005900, + 0x00002700, 0x00008000, 0x0000ec00, 0x00005f00, + 0x00006000, 0x00005100, 0x00007f00, 0x0000a900, + 0x00001900, 0x0000b500, 0x00004a00, 0x00000d00, + 0x00002d00, 0x0000e500, 0x00007a00, 0x00009f00, + 0x00009300, 0x0000c900, 0x00009c00, 0x0000ef00, + 0x0000a000, 0x0000e000, 0x00003b00, 0x00004d00, + 0x0000ae00, 0x00002a00, 0x0000f500, 0x0000b000, + 0x0000c800, 0x0000eb00, 0x0000bb00, 0x00003c00, + 0x00008300, 0x00005300, 0x00009900, 0x00006100, + 0x00001700, 0x00002b00, 0x00000400, 0x00007e00, + 0x0000ba00, 0x00007700, 0x0000d600, 0x00002600, + 0x0000e100, 0x00006900, 0x00001400, 0x00006300, + 0x00005500, 0x00002100, 0x00000c00, 0x00007d00 +}, { + 0x00520000, 0x00090000, 0x006a0000, 0x00d50000, + 0x00300000, 0x00360000, 0x00a50000, 0x00380000, + 0x00bf0000, 0x00400000, 0x00a30000, 0x009e0000, + 0x00810000, 0x00f30000, 0x00d70000, 0x00fb0000, + 0x007c0000, 0x00e30000, 0x00390000, 0x00820000, + 0x009b0000, 0x002f0000, 0x00ff0000, 0x00870000, + 0x00340000, 0x008e0000, 0x00430000, 0x00440000, + 0x00c40000, 0x00de0000, 0x00e90000, 0x00cb0000, + 0x00540000, 0x007b0000, 0x00940000, 0x00320000, + 0x00a60000, 0x00c20000, 0x00230000, 0x003d0000, + 0x00ee0000, 0x004c0000, 0x00950000, 0x000b0000, + 0x00420000, 0x00fa0000, 0x00c30000, 0x004e0000, + 0x00080000, 0x002e0000, 0x00a10000, 0x00660000, + 0x00280000, 0x00d90000, 0x00240000, 0x00b20000, + 0x00760000, 0x005b0000, 0x00a20000, 0x00490000, + 0x006d0000, 0x008b0000, 0x00d10000, 0x00250000, + 0x00720000, 0x00f80000, 0x00f60000, 0x00640000, + 0x00860000, 0x00680000, 0x00980000, 0x00160000, + 0x00d40000, 0x00a40000, 0x005c0000, 0x00cc0000, + 0x005d0000, 0x00650000, 0x00b60000, 0x00920000, + 0x006c0000, 0x00700000, 0x00480000, 0x00500000, + 0x00fd0000, 0x00ed0000, 0x00b90000, 0x00da0000, + 0x005e0000, 0x00150000, 0x00460000, 0x00570000, + 0x00a70000, 0x008d0000, 0x009d0000, 0x00840000, + 0x00900000, 0x00d80000, 0x00ab0000, 0x00000000, + 0x008c0000, 0x00bc0000, 0x00d30000, 0x000a0000, + 0x00f70000, 0x00e40000, 0x00580000, 0x00050000, + 0x00b80000, 0x00b30000, 0x00450000, 0x00060000, + 0x00d00000, 0x002c0000, 0x001e0000, 0x008f0000, + 0x00ca0000, 0x003f0000, 0x000f0000, 0x00020000, + 0x00c10000, 0x00af0000, 0x00bd0000, 0x00030000, + 0x00010000, 0x00130000, 0x008a0000, 0x006b0000, + 0x003a0000, 0x00910000, 0x00110000, 0x00410000, + 0x004f0000, 0x00670000, 0x00dc0000, 0x00ea0000, + 0x00970000, 0x00f20000, 0x00cf0000, 0x00ce0000, + 0x00f00000, 0x00b40000, 0x00e60000, 0x00730000, + 0x00960000, 0x00ac0000, 0x00740000, 0x00220000, + 0x00e70000, 0x00ad0000, 0x00350000, 0x00850000, + 0x00e20000, 0x00f90000, 0x00370000, 0x00e80000, + 0x001c0000, 0x00750000, 0x00df0000, 0x006e0000, + 0x00470000, 0x00f10000, 0x001a0000, 0x00710000, + 0x001d0000, 0x00290000, 0x00c50000, 0x00890000, + 0x006f0000, 0x00b70000, 0x00620000, 0x000e0000, + 0x00aa0000, 0x00180000, 0x00be0000, 0x001b0000, + 0x00fc0000, 0x00560000, 0x003e0000, 0x004b0000, + 0x00c60000, 0x00d20000, 0x00790000, 0x00200000, + 0x009a0000, 0x00db0000, 0x00c00000, 0x00fe0000, + 0x00780000, 0x00cd0000, 0x005a0000, 0x00f40000, + 0x001f0000, 0x00dd0000, 0x00a80000, 0x00330000, + 0x00880000, 0x00070000, 0x00c70000, 0x00310000, + 0x00b10000, 0x00120000, 0x00100000, 0x00590000, + 0x00270000, 0x00800000, 0x00ec0000, 0x005f0000, + 0x00600000, 0x00510000, 0x007f0000, 0x00a90000, + 0x00190000, 0x00b50000, 0x004a0000, 0x000d0000, + 0x002d0000, 0x00e50000, 0x007a0000, 0x009f0000, + 0x00930000, 0x00c90000, 0x009c0000, 0x00ef0000, + 0x00a00000, 0x00e00000, 0x003b0000, 0x004d0000, + 0x00ae0000, 0x002a0000, 0x00f50000, 0x00b00000, + 0x00c80000, 0x00eb0000, 0x00bb0000, 0x003c0000, + 0x00830000, 0x00530000, 0x00990000, 0x00610000, + 0x00170000, 0x002b0000, 0x00040000, 0x007e0000, + 0x00ba0000, 0x00770000, 0x00d60000, 0x00260000, + 0x00e10000, 0x00690000, 0x00140000, 0x00630000, + 0x00550000, 0x00210000, 0x000c0000, 0x007d0000 +}, { + 0x52000000, 0x09000000, 0x6a000000, 0xd5000000, + 0x30000000, 0x36000000, 0xa5000000, 0x38000000, + 0xbf000000, 0x40000000, 0xa3000000, 0x9e000000, + 0x81000000, 0xf3000000, 0xd7000000, 0xfb000000, + 0x7c000000, 0xe3000000, 0x39000000, 0x82000000, + 0x9b000000, 0x2f000000, 0xff000000, 0x87000000, + 0x34000000, 0x8e000000, 0x43000000, 0x44000000, + 0xc4000000, 0xde000000, 0xe9000000, 0xcb000000, + 0x54000000, 0x7b000000, 0x94000000, 0x32000000, + 0xa6000000, 0xc2000000, 0x23000000, 0x3d000000, + 0xee000000, 0x4c000000, 0x95000000, 0x0b000000, + 0x42000000, 0xfa000000, 0xc3000000, 0x4e000000, + 0x08000000, 0x2e000000, 0xa1000000, 0x66000000, + 0x28000000, 0xd9000000, 0x24000000, 0xb2000000, + 0x76000000, 0x5b000000, 0xa2000000, 0x49000000, + 0x6d000000, 0x8b000000, 0xd1000000, 0x25000000, + 0x72000000, 0xf8000000, 0xf6000000, 0x64000000, + 0x86000000, 0x68000000, 0x98000000, 0x16000000, + 0xd4000000, 0xa4000000, 0x5c000000, 0xcc000000, + 0x5d000000, 0x65000000, 0xb6000000, 0x92000000, + 0x6c000000, 0x70000000, 0x48000000, 0x50000000, + 0xfd000000, 0xed000000, 0xb9000000, 0xda000000, + 0x5e000000, 0x15000000, 0x46000000, 0x57000000, + 0xa7000000, 0x8d000000, 0x9d000000, 0x84000000, + 0x90000000, 0xd8000000, 0xab000000, 0x00000000, + 0x8c000000, 0xbc000000, 0xd3000000, 0x0a000000, + 0xf7000000, 0xe4000000, 0x58000000, 0x05000000, + 0xb8000000, 0xb3000000, 0x45000000, 0x06000000, + 0xd0000000, 0x2c000000, 0x1e000000, 0x8f000000, + 0xca000000, 0x3f000000, 0x0f000000, 0x02000000, + 0xc1000000, 0xaf000000, 0xbd000000, 0x03000000, + 0x01000000, 0x13000000, 0x8a000000, 0x6b000000, + 0x3a000000, 0x91000000, 0x11000000, 0x41000000, + 0x4f000000, 0x67000000, 0xdc000000, 0xea000000, + 0x97000000, 0xf2000000, 0xcf000000, 0xce000000, + 0xf0000000, 0xb4000000, 0xe6000000, 0x73000000, + 0x96000000, 0xac000000, 0x74000000, 0x22000000, + 0xe7000000, 0xad000000, 0x35000000, 0x85000000, + 0xe2000000, 0xf9000000, 0x37000000, 0xe8000000, + 0x1c000000, 0x75000000, 0xdf000000, 0x6e000000, + 0x47000000, 0xf1000000, 0x1a000000, 0x71000000, + 0x1d000000, 0x29000000, 0xc5000000, 0x89000000, + 0x6f000000, 0xb7000000, 0x62000000, 0x0e000000, + 0xaa000000, 0x18000000, 0xbe000000, 0x1b000000, + 0xfc000000, 0x56000000, 0x3e000000, 0x4b000000, + 0xc6000000, 0xd2000000, 0x79000000, 0x20000000, + 0x9a000000, 0xdb000000, 0xc0000000, 0xfe000000, + 0x78000000, 0xcd000000, 0x5a000000, 0xf4000000, + 0x1f000000, 0xdd000000, 0xa8000000, 0x33000000, + 0x88000000, 0x07000000, 0xc7000000, 0x31000000, + 0xb1000000, 0x12000000, 0x10000000, 0x59000000, + 0x27000000, 0x80000000, 0xec000000, 0x5f000000, + 0x60000000, 0x51000000, 0x7f000000, 0xa9000000, + 0x19000000, 0xb5000000, 0x4a000000, 0x0d000000, + 0x2d000000, 0xe5000000, 0x7a000000, 0x9f000000, + 0x93000000, 0xc9000000, 0x9c000000, 0xef000000, + 0xa0000000, 0xe0000000, 0x3b000000, 0x4d000000, + 0xae000000, 0x2a000000, 0xf5000000, 0xb0000000, + 0xc8000000, 0xeb000000, 0xbb000000, 0x3c000000, + 0x83000000, 0x53000000, 0x99000000, 0x61000000, + 0x17000000, 0x2b000000, 0x04000000, 0x7e000000, + 0xba000000, 0x77000000, 0xd6000000, 0x26000000, + 0xe1000000, 0x69000000, 0x14000000, 0x63000000, + 0x55000000, 0x21000000, 0x0c000000, 0x7d000000 +} +}; + +static const u4byte rco_tab[10] = { + 0x00000001, 0x00000002, 0x00000004, 0x00000008, 0x00000010, + 0x00000020, 0x00000040, 0x00000080, 0x0000001b, 0x00000036 +}; diff --git a/contrib/pgcrypto/sha1.c b/contrib/pgcrypto/sha1.c new file mode 100644 index 0000000..64671ac --- /dev/null +++ b/contrib/pgcrypto/sha1.c @@ -0,0 +1,331 @@ +/* $KAME: sha1.c,v 1.3 2000/02/22 14:01:18 itojun Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * contrib/pgcrypto/sha1.c + */ +/* + * FIPS pub 180-1: Secure Hash Algorithm (SHA-1) + * based on: http://www.itl.nist.gov/fipspubs/fip180-1.htm + * implemented by Jun-ichiro itojun Itoh + */ + +#include "postgres.h" + +#include + +#include "sha1.h" + +/* constant table */ +static uint32 _K[] = {0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6}; + +#define K(t) _K[(t) / 20] + +#define F0(b, c, d) (((b) & (c)) | ((~(b)) & (d))) +#define F1(b, c, d) (((b) ^ (c)) ^ (d)) +#define F2(b, c, d) (((b) & (c)) | ((b) & (d)) | ((c) & (d))) +#define F3(b, c, d) (((b) ^ (c)) ^ (d)) + +#define S(n, x) (((x) << (n)) | ((x) >> (32 - (n)))) + +#define H(n) (ctxt->h.b32[(n)]) +#define COUNT (ctxt->count) +#define BCOUNT (ctxt->c.b64[0] / 8) +#define W(n) (ctxt->m.b32[(n)]) + +#define PUTPAD(x) \ +do { \ + ctxt->m.b8[(COUNT % 64)] = (x); \ + COUNT++; \ + COUNT %= 64; \ + if (COUNT % 64 == 0) \ + sha1_step(ctxt); \ +} while (0) + +static void sha1_step(struct sha1_ctxt *); + +static void +sha1_step(struct sha1_ctxt *ctxt) +{ + uint32 a, + b, + c, + d, + e; + size_t t, + s; + uint32 tmp; + +#ifndef WORDS_BIGENDIAN + struct sha1_ctxt tctxt; + + memmove(&tctxt.m.b8[0], &ctxt->m.b8[0], 64); + ctxt->m.b8[0] = tctxt.m.b8[3]; + ctxt->m.b8[1] = tctxt.m.b8[2]; + ctxt->m.b8[2] = tctxt.m.b8[1]; + ctxt->m.b8[3] = tctxt.m.b8[0]; + ctxt->m.b8[4] = tctxt.m.b8[7]; + ctxt->m.b8[5] = tctxt.m.b8[6]; + ctxt->m.b8[6] = tctxt.m.b8[5]; + ctxt->m.b8[7] = tctxt.m.b8[4]; + ctxt->m.b8[8] = tctxt.m.b8[11]; + ctxt->m.b8[9] = tctxt.m.b8[10]; + ctxt->m.b8[10] = tctxt.m.b8[9]; + ctxt->m.b8[11] = tctxt.m.b8[8]; + ctxt->m.b8[12] = tctxt.m.b8[15]; + ctxt->m.b8[13] = tctxt.m.b8[14]; + ctxt->m.b8[14] = tctxt.m.b8[13]; + ctxt->m.b8[15] = tctxt.m.b8[12]; + ctxt->m.b8[16] = tctxt.m.b8[19]; + ctxt->m.b8[17] = tctxt.m.b8[18]; + ctxt->m.b8[18] = tctxt.m.b8[17]; + ctxt->m.b8[19] = tctxt.m.b8[16]; + ctxt->m.b8[20] = tctxt.m.b8[23]; + ctxt->m.b8[21] = tctxt.m.b8[22]; + ctxt->m.b8[22] = tctxt.m.b8[21]; + ctxt->m.b8[23] = tctxt.m.b8[20]; + ctxt->m.b8[24] = tctxt.m.b8[27]; + ctxt->m.b8[25] = tctxt.m.b8[26]; + ctxt->m.b8[26] = tctxt.m.b8[25]; + ctxt->m.b8[27] = tctxt.m.b8[24]; + ctxt->m.b8[28] = tctxt.m.b8[31]; + ctxt->m.b8[29] = tctxt.m.b8[30]; + ctxt->m.b8[30] = tctxt.m.b8[29]; + ctxt->m.b8[31] = tctxt.m.b8[28]; + ctxt->m.b8[32] = tctxt.m.b8[35]; + ctxt->m.b8[33] = tctxt.m.b8[34]; + ctxt->m.b8[34] = tctxt.m.b8[33]; + ctxt->m.b8[35] = tctxt.m.b8[32]; + ctxt->m.b8[36] = tctxt.m.b8[39]; + ctxt->m.b8[37] = tctxt.m.b8[38]; + ctxt->m.b8[38] = tctxt.m.b8[37]; + ctxt->m.b8[39] = tctxt.m.b8[36]; + ctxt->m.b8[40] = tctxt.m.b8[43]; + ctxt->m.b8[41] = tctxt.m.b8[42]; + ctxt->m.b8[42] = tctxt.m.b8[41]; + ctxt->m.b8[43] = tctxt.m.b8[40]; + ctxt->m.b8[44] = tctxt.m.b8[47]; + ctxt->m.b8[45] = tctxt.m.b8[46]; + ctxt->m.b8[46] = tctxt.m.b8[45]; + ctxt->m.b8[47] = tctxt.m.b8[44]; + ctxt->m.b8[48] = tctxt.m.b8[51]; + ctxt->m.b8[49] = tctxt.m.b8[50]; + ctxt->m.b8[50] = tctxt.m.b8[49]; + ctxt->m.b8[51] = tctxt.m.b8[48]; + ctxt->m.b8[52] = tctxt.m.b8[55]; + ctxt->m.b8[53] = tctxt.m.b8[54]; + ctxt->m.b8[54] = tctxt.m.b8[53]; + ctxt->m.b8[55] = tctxt.m.b8[52]; + ctxt->m.b8[56] = tctxt.m.b8[59]; + ctxt->m.b8[57] = tctxt.m.b8[58]; + ctxt->m.b8[58] = tctxt.m.b8[57]; + ctxt->m.b8[59] = tctxt.m.b8[56]; + ctxt->m.b8[60] = tctxt.m.b8[63]; + ctxt->m.b8[61] = tctxt.m.b8[62]; + ctxt->m.b8[62] = tctxt.m.b8[61]; + ctxt->m.b8[63] = tctxt.m.b8[60]; +#endif + + a = H(0); + b = H(1); + c = H(2); + d = H(3); + e = H(4); + + for (t = 0; t < 20; t++) + { + s = t & 0x0f; + if (t >= 16) + W(s) = S(1, W((s + 13) & 0x0f) ^ W((s + 8) & 0x0f) ^ W((s + 2) & 0x0f) ^ W(s)); + tmp = S(5, a) + F0(b, c, d) + e + W(s) + K(t); + e = d; + d = c; + c = S(30, b); + b = a; + a = tmp; + } + for (t = 20; t < 40; t++) + { + s = t & 0x0f; + W(s) = S(1, W((s + 13) & 0x0f) ^ W((s + 8) & 0x0f) ^ W((s + 2) & 0x0f) ^ W(s)); + tmp = S(5, a) + F1(b, c, d) + e + W(s) + K(t); + e = d; + d = c; + c = S(30, b); + b = a; + a = tmp; + } + for (t = 40; t < 60; t++) + { + s = t & 0x0f; + W(s) = S(1, W((s + 13) & 0x0f) ^ W((s + 8) & 0x0f) ^ W((s + 2) & 0x0f) ^ W(s)); + tmp = S(5, a) + F2(b, c, d) + e + W(s) + K(t); + e = d; + d = c; + c = S(30, b); + b = a; + a = tmp; + } + for (t = 60; t < 80; t++) + { + s = t & 0x0f; + W(s) = S(1, W((s + 13) & 0x0f) ^ W((s + 8) & 0x0f) ^ W((s + 2) & 0x0f) ^ W(s)); + tmp = S(5, a) + F3(b, c, d) + e + W(s) + K(t); + e = d; + d = c; + c = S(30, b); + b = a; + a = tmp; + } + + H(0) = H(0) + a; + H(1) = H(1) + b; + H(2) = H(2) + c; + H(3) = H(3) + d; + H(4) = H(4) + e; + + memset(&ctxt->m.b8[0], 0, 64); +} + +/*------------------------------------------------------------*/ + +void +sha1_init(struct sha1_ctxt *ctxt) +{ + memset(ctxt, 0, sizeof(struct sha1_ctxt)); + H(0) = 0x67452301; + H(1) = 0xefcdab89; + H(2) = 0x98badcfe; + H(3) = 0x10325476; + H(4) = 0xc3d2e1f0; +} + +void +sha1_pad(struct sha1_ctxt *ctxt) +{ + size_t padlen; /* pad length in bytes */ + size_t padstart; + + PUTPAD(0x80); + + padstart = COUNT % 64; + padlen = 64 - padstart; + if (padlen < 8) + { + memset(&ctxt->m.b8[padstart], 0, padlen); + COUNT += padlen; + COUNT %= 64; + sha1_step(ctxt); + padstart = COUNT % 64; /* should be 0 */ + padlen = 64 - padstart; /* should be 64 */ + } + memset(&ctxt->m.b8[padstart], 0, padlen - 8); + COUNT += (padlen - 8); + COUNT %= 64; +#ifdef WORDS_BIGENDIAN + PUTPAD(ctxt->c.b8[0]); + PUTPAD(ctxt->c.b8[1]); + PUTPAD(ctxt->c.b8[2]); + PUTPAD(ctxt->c.b8[3]); + PUTPAD(ctxt->c.b8[4]); + PUTPAD(ctxt->c.b8[5]); + PUTPAD(ctxt->c.b8[6]); + PUTPAD(ctxt->c.b8[7]); +#else + PUTPAD(ctxt->c.b8[7]); + PUTPAD(ctxt->c.b8[6]); + PUTPAD(ctxt->c.b8[5]); + PUTPAD(ctxt->c.b8[4]); + PUTPAD(ctxt->c.b8[3]); + PUTPAD(ctxt->c.b8[2]); + PUTPAD(ctxt->c.b8[1]); + PUTPAD(ctxt->c.b8[0]); +#endif +} + +void +sha1_loop(struct sha1_ctxt *ctxt, const uint8 *input0, size_t len) +{ + const uint8 *input; + size_t gaplen; + size_t gapstart; + size_t off; + size_t copysiz; + + input = (const uint8 *) input0; + off = 0; + + while (off < len) + { + gapstart = COUNT % 64; + gaplen = 64 - gapstart; + + copysiz = (gaplen < len - off) ? gaplen : len - off; + memmove(&ctxt->m.b8[gapstart], &input[off], copysiz); + COUNT += copysiz; + COUNT %= 64; + ctxt->c.b64[0] += copysiz * 8; + if (COUNT % 64 == 0) + sha1_step(ctxt); + off += copysiz; + } +} + +void +sha1_result(struct sha1_ctxt *ctxt, uint8 *digest0) +{ + uint8 *digest; + + digest = (uint8 *) digest0; + sha1_pad(ctxt); +#ifdef WORDS_BIGENDIAN + memmove(digest, &ctxt->h.b8[0], 20); +#else + digest[0] = ctxt->h.b8[3]; + digest[1] = ctxt->h.b8[2]; + digest[2] = ctxt->h.b8[1]; + digest[3] = ctxt->h.b8[0]; + digest[4] = ctxt->h.b8[7]; + digest[5] = ctxt->h.b8[6]; + digest[6] = ctxt->h.b8[5]; + digest[7] = ctxt->h.b8[4]; + digest[8] = ctxt->h.b8[11]; + digest[9] = ctxt->h.b8[10]; + digest[10] = ctxt->h.b8[9]; + digest[11] = ctxt->h.b8[8]; + digest[12] = ctxt->h.b8[15]; + digest[13] = ctxt->h.b8[14]; + digest[14] = ctxt->h.b8[13]; + digest[15] = ctxt->h.b8[12]; + digest[16] = ctxt->h.b8[19]; + digest[17] = ctxt->h.b8[18]; + digest[18] = ctxt->h.b8[17]; + digest[19] = ctxt->h.b8[16]; +#endif +} diff --git a/contrib/pgcrypto/sha1.h b/contrib/pgcrypto/sha1.h new file mode 100644 index 0000000..4300694 --- /dev/null +++ b/contrib/pgcrypto/sha1.h @@ -0,0 +1,75 @@ +/* contrib/pgcrypto/sha1.h */ +/* $KAME: sha1.h,v 1.4 2000/02/22 14:01:18 itojun Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +/* + * FIPS pub 180-1: Secure Hash Algorithm (SHA-1) + * based on: http://www.itl.nist.gov/fipspubs/fip180-1.htm + * implemented by Jun-ichiro itojun Itoh + */ + +#ifndef _NETINET6_SHA1_H_ +#define _NETINET6_SHA1_H_ + +struct sha1_ctxt +{ + union + { + uint8 b8[20]; + uint32 b32[5]; + } h; + union + { + uint8 b8[8]; + uint64 b64[1]; + } c; + union + { + uint8 b8[64]; + uint32 b32[16]; + } m; + uint8 count; +}; + +extern void sha1_init(struct sha1_ctxt *); +extern void sha1_pad(struct sha1_ctxt *); +extern void sha1_loop(struct sha1_ctxt *, const uint8 *, size_t); +extern void sha1_result(struct sha1_ctxt *, uint8 *); + +/* compatibility with other SHA1 source codes */ +typedef struct sha1_ctxt SHA1_CTX; + +#define SHA1Init(x) sha1_init((x)) +#define SHA1Update(x, y, z) sha1_loop((x), (y), (z)) +#define SHA1Final(x, y) sha1_result((y), (x)) + +#define SHA1_RESULTLEN (160/8) + +#endif /* _NETINET6_SHA1_H_ */ diff --git a/contrib/pgcrypto/sql/3des.sql b/contrib/pgcrypto/sql/3des.sql new file mode 100644 index 0000000..ef54592 --- /dev/null +++ b/contrib/pgcrypto/sql/3des.sql @@ -0,0 +1,31 @@ +-- +-- 3DES cipher +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; + +-- test vector from somewhere +SELECT encode(encrypt( +decode('80 00 00 00 00 00 00 00', 'hex'), +decode('01 01 01 01 01 01 01 01 + 01 01 01 01 01 01 01 01 + 01 01 01 01 01 01 01 01', 'hex'), +'3des-ecb/pad:none'), 'hex'); +-- val 95 F8 A5 E5 DD 31 D9 00 + +select encode( encrypt('', 'foo', '3des'), 'hex'); +-- 10 bytes key +select encode( encrypt('foo', '0123456789', '3des'), 'hex'); +-- 22 bytes key +select encode( encrypt('foo', '0123456789012345678901', '3des'), 'hex'); + +-- decrypt +select decrypt(encrypt('foo', '0123456', '3des'), '0123456', '3des'); + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', '3des'), 'hex'); +select decrypt_iv(decode('50735067b073bb93', 'hex'), '0123456', 'abcd', '3des'); + +-- long message +select encode(encrypt('Lets try a longer message.', '0123456789012345678901', '3des'), 'hex'); +select decrypt(encrypt('Lets try a longer message.', '0123456789012345678901', '3des'), '0123456789012345678901', '3des'); diff --git a/contrib/pgcrypto/sql/blowfish.sql b/contrib/pgcrypto/sql/blowfish.sql new file mode 100644 index 0000000..ba8df41 --- /dev/null +++ b/contrib/pgcrypto/sql/blowfish.sql @@ -0,0 +1,92 @@ +-- +-- Blowfish cipher +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; + +-- some standard Blowfish testvalues +SELECT encode(encrypt( +decode('0000000000000000', 'hex'), +decode('0000000000000000', 'hex'), +'bf-ecb/pad:none'), 'hex'); + +SELECT encode(encrypt( +decode('ffffffffffffffff', 'hex'), +decode('ffffffffffffffff', 'hex'), +'bf-ecb/pad:none'), 'hex'); + +SELECT encode(encrypt( +decode('1000000000000001', 'hex'), +decode('3000000000000000', 'hex'), +'bf-ecb/pad:none'), 'hex'); + +SELECT encode(encrypt( +decode('1111111111111111', 'hex'), +decode('1111111111111111', 'hex'), +'bf-ecb/pad:none'), 'hex'); + +SELECT encode(encrypt( +decode('0123456789abcdef', 'hex'), +decode('fedcba9876543210', 'hex'), +'bf-ecb/pad:none'), 'hex'); + +SELECT encode(encrypt( +decode('01a1d6d039776742', 'hex'), +decode('fedcba9876543210', 'hex'), +'bf-ecb/pad:none'), 'hex'); + +SELECT encode(encrypt( +decode('ffffffffffffffff', 'hex'), +decode('0000000000000000', 'hex'), +'bf-ecb/pad:none'), 'hex'); + +-- setkey +SELECT encode(encrypt( +decode('fedcba9876543210', 'hex'), +decode('f0e1d2c3b4a5968778695a4b3c2d1e0f', 'hex'), +'bf-ecb/pad:none'), 'hex'); + +-- with padding +SELECT encode(encrypt( +decode('01234567890123456789', 'hex'), +decode('33443344334433443344334433443344', 'hex'), +'bf-ecb'), 'hex'); + +-- cbc + +-- 28 bytes key +SELECT encode(encrypt( +decode('6b77b4d63006dee605b156e27403979358deb9e7154616d959f1652bd5', 'hex'), +decode('37363534333231204e6f77206973207468652074696d6520666f7220', 'hex'), +'bf-cbc'), 'hex'); + +-- 29 bytes key +SELECT encode(encrypt( +decode('6b77b4d63006dee605b156e27403979358deb9e7154616d959f1652bd5ff92cc', 'hex'), +decode('37363534333231204e6f77206973207468652074696d6520666f722000', 'hex'), +'bf-cbc'), 'hex'); + +-- blowfish-448 +SELECT encode(encrypt( +decode('fedcba9876543210', 'hex'), +decode('f0e1d2c3b4a5968778695a4b3c2d1e0f001122334455667704689104c2fd3b2f584023641aba61761f1f1f1f0e0e0e0effffffffffffffff', 'hex'), +'bf-ecb/pad:none'), 'hex'); +-- result: c04504012e4e1f53 + +-- empty data +select encode(encrypt('', 'foo', 'bf'), 'hex'); +-- 10 bytes key +select encode(encrypt('foo', '0123456789', 'bf'), 'hex'); +-- 22 bytes key +select encode(encrypt('foo', '0123456789012345678901', 'bf'), 'hex'); + +-- decrypt +select decrypt(encrypt('foo', '0123456', 'bf'), '0123456', 'bf'); + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', 'bf'), 'hex'); +select decrypt_iv(decode('95c7e89322525d59', 'hex'), '0123456', 'abcd', 'bf'); + +-- long message +select encode(encrypt('Lets try a longer message.', '0123456789', 'bf'), 'hex'); +select decrypt(encrypt('Lets try a longer message.', '0123456789', 'bf'), '0123456789', 'bf'); diff --git a/contrib/pgcrypto/sql/cast5.sql b/contrib/pgcrypto/sql/cast5.sql new file mode 100644 index 0000000..527a76a --- /dev/null +++ b/contrib/pgcrypto/sql/cast5.sql @@ -0,0 +1,47 @@ +-- +-- Cast5 cipher +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; + +-- test vectors from RFC2144 + +-- 128 bit key +SELECT encode(encrypt( +decode('01 23 45 67 89 AB CD EF', 'hex'), +decode('01 23 45 67 12 34 56 78 23 45 67 89 34 56 78 9A', 'hex'), +'cast5-ecb/pad:none'), 'hex'); +-- result: 23 8B 4F E5 84 7E 44 B2 + +-- 80 bit key +SELECT encode(encrypt( +decode('01 23 45 67 89 AB CD EF', 'hex'), +decode('01 23 45 67 12 34 56 78 23 45', 'hex'), +'cast5-ecb/pad:none'), 'hex'); +-- result: EB 6A 71 1A 2C 02 27 1B + +-- 40 bit key +SELECT encode(encrypt( +decode('01 23 45 67 89 AB CD EF', 'hex'), +decode('01 23 45 67 12', 'hex'), +'cast5-ecb/pad:none'), 'hex'); +-- result: 7A C8 16 D1 6E 9B 30 2E + +-- cbc + +-- empty data +select encode( encrypt('', 'foo', 'cast5'), 'hex'); +-- 10 bytes key +select encode( encrypt('foo', '0123456789', 'cast5'), 'hex'); + +-- decrypt +select decrypt(encrypt('foo', '0123456', 'cast5'), '0123456', 'cast5'); + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', 'cast5'), 'hex'); +select decrypt_iv(decode('384a970695ce016a', 'hex'), + '0123456', 'abcd', 'cast5'); + +-- long message +select encode(encrypt('Lets try a longer message.', '0123456789', 'cast5'), 'hex'); +select decrypt(encrypt('Lets try a longer message.', '0123456789', 'cast5'), '0123456789', 'cast5'); diff --git a/contrib/pgcrypto/sql/crypt-blowfish.sql b/contrib/pgcrypto/sql/crypt-blowfish.sql new file mode 100644 index 0000000..3b5a681 --- /dev/null +++ b/contrib/pgcrypto/sql/crypt-blowfish.sql @@ -0,0 +1,26 @@ +-- +-- crypt() and gen_salt(): bcrypt +-- + +SELECT crypt('', '$2a$06$RQiOJ.3ELirrXwxIZY8q0O'); + +SELECT crypt('foox', '$2a$06$RQiOJ.3ELirrXwxIZY8q0O'); + +-- error, salt too short: +SELECT crypt('foox', '$2a$'); + +-- error, first digit of count in salt invalid +SELECT crypt('foox', '$2a$40$RQiOJ.3ELirrXwxIZY8q0O'); + +-- error, count in salt too small +SELECT crypt('foox', '$2a$00$RQiOJ.3ELirrXwxIZY8q0O'); + +CREATE TABLE ctest (data text, res text, salt text); +INSERT INTO ctest VALUES ('password', '', ''); + +UPDATE ctest SET salt = gen_salt('bf', 8); +UPDATE ctest SET res = crypt(data, salt); +SELECT res = crypt(data, res) AS "worked" +FROM ctest; + +DROP TABLE ctest; diff --git a/contrib/pgcrypto/sql/crypt-des.sql b/contrib/pgcrypto/sql/crypt-des.sql new file mode 100644 index 0000000..a85ec1e --- /dev/null +++ b/contrib/pgcrypto/sql/crypt-des.sql @@ -0,0 +1,21 @@ +-- +-- crypt() and gen_salt(): crypt-des +-- + +SELECT crypt('', 'NB'); + +SELECT crypt('foox', 'NB'); + +-- We are supposed to pass in a 2-character salt. +-- error since salt is too short: +SELECT crypt('password', 'a'); + +CREATE TABLE ctest (data text, res text, salt text); +INSERT INTO ctest VALUES ('password', '', ''); + +UPDATE ctest SET salt = gen_salt('des'); +UPDATE ctest SET res = crypt(data, salt); +SELECT res = crypt(data, res) AS "worked" +FROM ctest; + +DROP TABLE ctest; diff --git a/contrib/pgcrypto/sql/crypt-md5.sql b/contrib/pgcrypto/sql/crypt-md5.sql new file mode 100644 index 0000000..ba7befb --- /dev/null +++ b/contrib/pgcrypto/sql/crypt-md5.sql @@ -0,0 +1,17 @@ +-- +-- crypt() and gen_salt(): md5 +-- + +SELECT crypt('', '$1$Szzz0yzz'); + +SELECT crypt('foox', '$1$Szzz0yzz'); + +CREATE TABLE ctest (data text, res text, salt text); +INSERT INTO ctest VALUES ('password', '', ''); + +UPDATE ctest SET salt = gen_salt('md5'); +UPDATE ctest SET res = crypt(data, salt); +SELECT res = crypt(data, res) AS "worked" +FROM ctest; + +DROP TABLE ctest; diff --git a/contrib/pgcrypto/sql/crypt-xdes.sql b/contrib/pgcrypto/sql/crypt-xdes.sql new file mode 100644 index 0000000..8171cd8 --- /dev/null +++ b/contrib/pgcrypto/sql/crypt-xdes.sql @@ -0,0 +1,33 @@ +-- +-- crypt() and gen_salt(): extended des +-- + +SELECT crypt('', '_J9..j2zz'); + +SELECT crypt('foox', '_J9..j2zz'); + +-- check XDES handling of keys longer than 8 chars +SELECT crypt('longlongpassword', '_J9..j2zz'); + +-- error, salt too short +SELECT crypt('foox', '_J9..BWH'); + +-- error, count specified in the second argument is 0 +SELECT crypt('password', '_........'); + +-- error, count will wind up still being 0 due to invalid encoding +-- of the count: only chars ``./0-9A-Za-z' are valid +SELECT crypt('password', '_..!!!!!!'); + +-- count should be non-zero here, will work +SELECT crypt('password', '_/!!!!!!!'); + +CREATE TABLE ctest (data text, res text, salt text); +INSERT INTO ctest VALUES ('password', '', ''); + +UPDATE ctest SET salt = gen_salt('xdes', 1001); +UPDATE ctest SET res = crypt(data, salt); +SELECT res = crypt(data, res) AS "worked" +FROM ctest; + +DROP TABLE ctest; diff --git a/contrib/pgcrypto/sql/des.sql b/contrib/pgcrypto/sql/des.sql new file mode 100644 index 0000000..6abc5b5 --- /dev/null +++ b/contrib/pgcrypto/sql/des.sql @@ -0,0 +1,29 @@ +-- +-- DES cipher +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; + +-- no official test vectors atm + +-- from blowfish.sql +SELECT encode(encrypt( +decode('0123456789abcdef', 'hex'), +decode('fedcba9876543210', 'hex'), +'des-ecb/pad:none'), 'hex'); + +-- empty data +select encode( encrypt('', 'foo', 'des'), 'hex'); +-- 8 bytes key +select encode( encrypt('foo', '01234589', 'des'), 'hex'); + +-- decrypt +select decrypt(encrypt('foo', '0123456', 'des'), '0123456', 'des'); + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', 'des'), 'hex'); +select decrypt_iv(decode('50735067b073bb93', 'hex'), '0123456', 'abcd', 'des'); + +-- long message +select encode(encrypt('Lets try a longer message.', '01234567', 'des'), 'hex'); +select decrypt(encrypt('Lets try a longer message.', '01234567', 'des'), '01234567', 'des'); diff --git a/contrib/pgcrypto/sql/hmac-md5.sql b/contrib/pgcrypto/sql/hmac-md5.sql new file mode 100644 index 0000000..71dcd08 --- /dev/null +++ b/contrib/pgcrypto/sql/hmac-md5.sql @@ -0,0 +1,44 @@ +-- +-- HMAC-MD5 +-- + +SELECT encode(hmac( +'Hi There', +decode('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b', 'hex'), +'md5'), 'hex'); + +-- 2 +SELECT encode(hmac( +'Jefe', +'what do ya want for nothing?', +'md5'), 'hex'); + +-- 3 +SELECT encode(hmac( +decode('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd', 'hex'), +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'md5'), 'hex'); + +-- 4 +SELECT encode(hmac( +decode('cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd', 'hex'), +decode('0102030405060708090a0b0c0d0e0f10111213141516171819', 'hex'), +'md5'), 'hex'); + +-- 5 +SELECT encode(hmac( +'Test With Truncation', +decode('0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c', 'hex'), +'md5'), 'hex'); + +-- 6 +SELECT encode(hmac( +'Test Using Larger Than Block-Size Key - Hash Key First', +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'md5'), 'hex'); + +-- 7 +SELECT encode(hmac( +'Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data', +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'md5'), 'hex'); diff --git a/contrib/pgcrypto/sql/hmac-sha1.sql b/contrib/pgcrypto/sql/hmac-sha1.sql new file mode 100644 index 0000000..3bc9655 --- /dev/null +++ b/contrib/pgcrypto/sql/hmac-sha1.sql @@ -0,0 +1,44 @@ +-- +-- HMAC-SHA1 +-- + +SELECT encode(hmac( +'Hi There', +decode('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b', 'hex'), +'sha1'), 'hex'); + +-- 2 +SELECT encode(hmac( +'Jefe', +'what do ya want for nothing?', +'sha1'), 'hex'); + +-- 3 +SELECT encode(hmac( +decode('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd', 'hex'), +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'sha1'), 'hex'); + +-- 4 +SELECT encode(hmac( +decode('cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd', 'hex'), +decode('0102030405060708090a0b0c0d0e0f10111213141516171819', 'hex'), +'sha1'), 'hex'); + +-- 5 +SELECT encode(hmac( +'Test With Truncation', +decode('0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c', 'hex'), +'sha1'), 'hex'); + +-- 6 +SELECT encode(hmac( +'Test Using Larger Than Block-Size Key - Hash Key First', +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'sha1'), 'hex'); + +-- 7 +SELECT encode(hmac( +'Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data', +decode('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'hex'), +'sha1'), 'hex'); diff --git a/contrib/pgcrypto/sql/init.sql b/contrib/pgcrypto/sql/init.sql new file mode 100644 index 0000000..5c3d100 --- /dev/null +++ b/contrib/pgcrypto/sql/init.sql @@ -0,0 +1,18 @@ +-- +-- init pgcrypto +-- + +CREATE EXTENSION pgcrypto; + +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; + +-- check for encoding fn's +SELECT encode('foo', 'hex'); +SELECT decode('666f6f', 'hex'); + +-- check error handling +select gen_salt('foo'); +select digest('foo', 'foo'); +select hmac('foo', 'foo', 'foo'); +select encrypt('foo', 'foo', 'foo'); diff --git a/contrib/pgcrypto/sql/md5.sql b/contrib/pgcrypto/sql/md5.sql new file mode 100644 index 0000000..4df910f --- /dev/null +++ b/contrib/pgcrypto/sql/md5.sql @@ -0,0 +1,11 @@ +-- +-- MD5 message digest +-- + +SELECT encode(digest('', 'md5'), 'hex'); +SELECT encode(digest('a', 'md5'), 'hex'); +SELECT encode(digest('abc', 'md5'), 'hex'); +SELECT encode(digest('message digest', 'md5'), 'hex'); +SELECT encode(digest('abcdefghijklmnopqrstuvwxyz', 'md5'), 'hex'); +SELECT encode(digest('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', 'md5'), 'hex'); +SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'md5'), 'hex'); diff --git a/contrib/pgcrypto/sql/pgp-armor.sql b/contrib/pgcrypto/sql/pgp-armor.sql new file mode 100644 index 0000000..a277a18 --- /dev/null +++ b/contrib/pgcrypto/sql/pgp-armor.sql @@ -0,0 +1,216 @@ +-- +-- PGP Armor +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; + +select armor(''); +select armor('test'); +select dearmor(armor('')); +select dearmor(armor('zooka')); + +select armor('0123456789abcdef0123456789abcdef0123456789abcdef +0123456789abcdef0123456789abcdef0123456789abcdef'); + +-- lots formatting +select dearmor(' a pgp msg: + +-----BEGIN PGP MESSAGE----- +Comment: Some junk + +em9va2E= + + =D5cR + +-----END PGP MESSAGE-----'); + +-- lots messages +select dearmor(' +wrong packet: + -----BEGIN PGP MESSAGE----- + + d3Jvbmc= + =vCYP + -----END PGP MESSAGE----- + +right packet: +-----BEGIN PGP MESSAGE----- + +cmlnaHQ= +=nbpj +-----END PGP MESSAGE----- + +use only first packet +-----BEGIN PGP MESSAGE----- + +d3Jvbmc= +=vCYP +-----END PGP MESSAGE----- +'); + +-- bad crc +select dearmor(' +-----BEGIN PGP MESSAGE----- + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- corrupt (no space after the colon) +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +foo: + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- corrupt (no empty line) +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- no headers +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- header with empty value +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +foo: + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- simple +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +fookey: foovalue +barkey: barvalue + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- insane keys, part 1 +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +insane:key : + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- insane keys, part 2 +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +insane:key : text value here + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- long value +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +long: this value is more than 76 characters long, but it should still parse correctly as that''s permitted by RFC 4880 + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- long value, split up +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +long: this value is more than 76 characters long, but it should still +long: parse correctly as that''s permitted by RFC 4880 + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- long value, split up, part 2 +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +long: this value is more than +long: 76 characters long, but it should still +long: parse correctly as that''s permitted by RFC 4880 + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +-- long value, split up, part 3 +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +emptykey: +long: this value is more than +emptykey: +long: 76 characters long, but it should still +emptykey: +long: parse correctly as that''s permitted by RFC 4880 +emptykey: + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +'); + +select * from pgp_armor_headers(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.blowfish.sha1.mdc.s2k3.z0 + +jA0EBAMCfFNwxnvodX9g0jwB4n4s26/g5VmKzVab1bX1SmwY7gvgvlWdF3jKisvS +yA6Ce1QTMK3KdL2MPfamsTUSAML8huCJMwYQFfE= +=JcP+ +-----END PGP MESSAGE----- +'); + +-- test CR+LF line endings +select * from pgp_armor_headers(replace(' +-----BEGIN PGP MESSAGE----- +fookey: foovalue +barkey: barvalue + +em9va2E= +=ZZZZ +-----END PGP MESSAGE----- +', E'\n', E'\r\n')); + +-- test header generation +select armor('zooka', array['foo'], array['bar']); +select armor('zooka', array['Version', 'Comment'], array['Created by pgcrypto', 'PostgreSQL, the world''s most advanced open source database']); +select * from pgp_armor_headers( + armor('zooka', array['Version', 'Comment'], + array['Created by pgcrypto', 'PostgreSQL, the world''s most advanced open source database'])); + +-- error/corner cases +select armor('', array['foo'], array['too', 'many']); +select armor('', array['too', 'many'], array['foo']); +select armor('', array[['']], array['foo']); +select armor('', array['foo'], array[['']]); +select armor('', array[null], array['foo']); +select armor('', array['foo'], array[null]); +select armor('', '[0:0]={"foo"}', array['foo']); +select armor('', array['foo'], '[0:0]={"foo"}'); +select armor('', array[E'embedded\nnewline'], array['foo']); +select armor('', array['foo'], array[E'embedded\nnewline']); +select armor('', array['embedded: colon+space'], array['foo']); diff --git a/contrib/pgcrypto/sql/pgp-compression.sql b/contrib/pgcrypto/sql/pgp-compression.sql new file mode 100644 index 0000000..87c59c6 --- /dev/null +++ b/contrib/pgcrypto/sql/pgp-compression.sql @@ -0,0 +1,51 @@ +-- +-- PGP compression support +-- + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- + +ww0ECQMCsci6AdHnELlh0kQB4jFcVwHMJg0Bulop7m3Mi36s15TAhBo0AnzIrRFrdLVCkKohsS6+ +DMcmR53SXfLoDJOv/M8uKj3QSq7oWNIp95pxfA== +=tbSn +-----END PGP MESSAGE----- +'), 'key', 'expect-compress-algo=1'); + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret message', 'key', 'compress-algo=0'), + 'key', 'expect-compress-algo=0'); + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret message', 'key', 'compress-algo=1'), + 'key', 'expect-compress-algo=1'); + +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret message', 'key', 'compress-algo=2'), + 'key', 'expect-compress-algo=2'); + +-- level=0 should turn compression off +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret message', 'key', + 'compress-algo=2, compress-level=0'), + 'key', 'expect-compress-algo=0'); + +-- check corner case involving an input string of 16kB, as per bug #16476. +SELECT setseed(0); +WITH random_string AS +( + -- This generates a random string of 16366 bytes. This is chosen + -- as random so that it does not get compressed, and the decompression + -- would work on a string with the same length as the origin, making the + -- test behavior more predictible. lpad() ensures that the generated + -- hexadecimal value is completed by extra zero characters if random() + -- has generated a value strictly lower than 16. + SELECT string_agg(decode(lpad(to_hex((random()*256)::int), 2, '0'), 'hex'), '') as bytes + FROM generate_series(0, 16365) +) +SELECT bytes = + pgp_sym_decrypt_bytea( + pgp_sym_encrypt_bytea(bytes, 'key', + 'compress-algo=1,compress-level=1'), + 'key', 'expect-compress-algo=1') + AS is_same + FROM random_string; diff --git a/contrib/pgcrypto/sql/pgp-decrypt.sql b/contrib/pgcrypto/sql/pgp-decrypt.sql new file mode 100644 index 0000000..557948d --- /dev/null +++ b/contrib/pgcrypto/sql/pgp-decrypt.sql @@ -0,0 +1,315 @@ +-- +-- pgp decrypt tests +-- + +-- Checking ciphers +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.blowfish.sha1.mdc.s2k3.z0 + +jA0EBAMCfFNwxnvodX9g0jwB4n4s26/g5VmKzVab1bX1SmwY7gvgvlWdF3jKisvS +yA6Ce1QTMK3KdL2MPfamsTUSAML8huCJMwYQFfE= +=JcP+ +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCci97v0Q6Z0Zg0kQBsVf5Oe3iC+FBzUmuMV9KxmAyOMyjCc/5i8f1Eest +UTAsG35A1vYs02VARKzGz6xI2UHwFUirP+brPBg3Ee7muOx8pA== +=XtrP +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes192.sha1.mdc.s2k3.z0 + +jA0ECAMCI7YQpWqp3D1g0kQBCjB7GlX7+SQeXNleXeXQ78ZAPNliquGDq9u378zI +5FPTqAhIB2/2fjY8QEIs1ai00qphjX2NitxV/3Wn+6dufB4Q4g== +=rCZt +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes256.sha1.mdc.s2k3.z0 + +jA0ECQMC4f/5djqCC1Rg0kQBTHEPsD+Sw7biBsM2er3vKyGPAQkuTBGKC5ie7hT/ +lceMfQdbAg6oTFyJpk/wH18GzRDphCofg0X8uLgkAKMrpcmgog== +=fB6S +-----END PGP MESSAGE----- +'), 'foobar'); + +-- Checking MDC modes +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.nomdc.s2k3.z0 + +jA0EBwMCnv07rlXqWctgyS2Dm2JfOKCRL4sLSLJUC8RS2cH7cIhKSuLitOtyquB+ +u9YkgfJfsuRJmgQ9tmo= +=60ui +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCEeP3idNjQ1Bg0kQBf4G0wX+2QNzLh2YNwYkQgQkfYhn/hLXjV4nK9nsE +8Ex1Dsdt5UPvOz8W8VKQRS6loOfOe+yyXil8W3IYFwUpdDUi+Q== +=moGf +-----END PGP MESSAGE----- +'), 'foobar'); + +-- Checking hashes +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.md5.mdc.s2k3.z0 + +jA0EBwMClrXXtOXetohg0kQBn0Kl1ymevQZRHkdoYRHgzCwSQEiss7zYff2UNzgO +KyRrHf7zEBuZiZ2AG34jNVMOLToj1jJUg5zTSdecUzQVCykWTA== +=NyLk +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCApbdlrURoWJg0kQBzHM/E0o7djY82bNuspjxjAcPFrrtp0uvDdMQ4z2m +/PM8jhgI5vxFYfNQjLl8y3fHYIomk9YflN9K/Q13iq8A8sjeTw== +=FxbQ +-----END PGP MESSAGE----- +'), 'foobar'); + +-- Checking S2K modes +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k0.z0 + +jAQEBwAC0kQBKTaLAKE3xzps+QIZowqRNb2eAdzBw2LxEW2YD5PgNlbhJdGg+dvw +Ah9GXjGS1TVALzTImJbz1uHUZRfhJlFbc5yGQw== +=YvkV +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k1.z0 + +jAwEBwEC/QTByBLI3b/SRAHPxKzI6SZBo5lAEOD+EsvKQWO4adL9tDY+++Iqy1xK +4IaWXVKEj9R2Lr2xntWWMGZtcKtjD2lFFRXXd9dZp1ZThNDz +=dbXm +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCEq4Su3ZqNEJg0kQB4QG5jBTKF0i04xtH+avzmLhstBNRxvV3nsmB3cwl +z+9ZaA/XdSx5ZiFnMym8P6r8uY9rLjjNptvvRHlxIReF+p9MNg== +=VJKg +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes192.sha1.mdc.s2k0.z0 + +jAQECAAC0kQBBDnQWkgsx9YFaqDfWmpsiyAJ6y2xG/sBvap1dySYEMuZ+wJTXQ9E +Cr3i2M7TgVZ0M4jp4QL0adG1lpN5iK7aQeOwMw== +=cg+i +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes192.sha1.mdc.s2k1.z0 + +jAwECAECruOfyNDFiTnSRAEVoGXm4A9UZKkWljdzjEO/iaE7mIraltIpQMkiqCh9 +7h8uZ2u9uRBOv222fZodGvc6bvq/4R4hAa/6qSHtm8mdmvGt +=aHmC +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes192.sha1.mdc.s2k3.z0 + +jA0ECAMCjFn6SRi3SONg0kQBqtSHPaD0m7rXfDAhCWU/ypAsI93GuHGRyM99cvMv +q6eF6859ZVnli3BFSDSk3a4e/pXhglxmDYCfjAXkozKNYLo6yw== +=K0LS +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes256.sha1.mdc.s2k0.z0 + +jAQECQAC0kQB4L1eMbani07XF2ZYiXNK9LW3v8w41oUPl7dStmrJPQFwsdxmrDHu +rQr3WbdKdY9ufjOE5+mXI+EFkSPrF9rL9NCq6w== +=RGts +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes256.sha1.mdc.s2k1.z0 + +jAwECQECKHhrou7ZOIXSRAHWIVP+xjVQcjAVBTt+qh9SNzYe248xFTwozkwev3mO ++KVJW0qhk0An+Y2KF99/bYFl9cL5D3Tl43fC8fXGl3x3m7pR +=SUrU +-----END PGP MESSAGE----- +'), 'foobar'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes256.sha1.mdc.s2k3.z0 + +jA0ECQMCjc8lwZu8Fz1g0kQBkEzjImi21liep5jj+3dAJ2aZFfUkohi8b3n9z+7+ +4+NRzL7cMW2RLAFnJbiqXDlRHMwleeuLN1up2WIxsxtYYuaBjA== +=XZrG +-----END PGP MESSAGE----- +'), 'foobar'); + +-- Checking longer passwords +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCx6dBiuqrYNRg0kQBEo63AvA1SCslxP7ayanLf1H0/hlk2nONVhTwVEWi +tTGup1mMz6Cfh1uDRErUuXpx9A0gdMu7zX0o5XjrL7WGDAZdSw== +=XKKG +-----END PGP MESSAGE----- +'), '0123456789abcdefghij'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCBDvYuS990iFg0kQBW31UK5OiCjWf5x6KJ8qNNT2HZWQCjCBZMU0XsOC6 +CMxFKadf144H/vpoV9GA0f22keQgCl0EsTE4V4lweVOPTKCMJg== +=gWDh +-----END PGP MESSAGE----- +'), '0123456789abcdefghij2jk4h5g2j54khg23h54g2kh54g2khj54g23hj54'); + +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCqXbFafC+ofVg0kQBejyiPqH0QMERVGfmPOjtAxvyG5KDIJPYojTgVSDt +FwsDabdQUz5O7bgNSnxfmyw1OifGF+W2bIn/8W+0rDf8u3+O+Q== +=OxOF +-----END PGP MESSAGE----- +'), 'x'); + +-- Checking various data +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat1.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCGJ+SpuOysINg0kQBJfSjzsW0x4OVcAyr17O7FBvMTwIGeGcJd99oTQU8 +Xtx3kDqnhUq9Z1fS3qPbi5iNP2A9NxOBxPWz2JzxhydANlgbxg== +=W/ik +-----END PGP MESSAGE----- +'), '0123456789abcdefghij'), 'sha1'), 'hex'); +-- expected: 0225e3ede6f2587b076d021a189ff60aad67e066 + +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat2.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCvdpDvidNzMxg0jUBvj8eS2+1t/9/zgemxvhtc0fvdKGGbjH7dleaTJRB +SaV9L04ky1qECNDx3XjnoKLC+H7IOQ== +=Fxen +-----END PGP MESSAGE----- +'), '0123456789abcdefghij'), 'sha1'), 'hex'); +-- expected: da39a3ee5e6b4b0d3255bfef95601890afd80709 + +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: dat3.aes.sha1.mdc.s2k3.z0 + +jA0EBwMCxQvxJZ3G/HRg0lgBeYmTa7/uDAjPyFwSX4CYBgpZWVn/JS8JzILrcWF8 +gFnkUKIE0PSaYFp+Yi1VlRfUtRQ/X/LYNGa7tWZS+4VQajz2Xtz4vUeAEiYFYPXk +73Hb8m1yRhQK +=ivrD +-----END PGP MESSAGE----- +'), '0123456789abcdefghij'), 'sha1'), 'hex'); +-- expected: 5e5c135efc0dd00633efc6dfd6e731ea408a5b4c + +-- Checking CRLF +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: crlf mess + +ww0ECQMCt7VAtby6l4Bi0lgB5KMIZiiF/b3CfMfUyY0eDncsGXtkbu1X+l9brjpMP8eJnY79Amms +a3nsOzKTXUfS9VyaXo8IrncM6n7fdaXpwba/3tNsAhJG4lDv1k4g9v8Ix2dfv6Rs +=mBP9 +-----END PGP MESSAGE----- +'), 'key', 'convert-crlf=0'), 'sha1'), 'hex'); +-- expected: 9353062be7720f1446d30b9e75573a4833886784 + +select encode(digest(pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- +Comment: crlf mess + +ww0ECQMCt7VAtby6l4Bi0lgB5KMIZiiF/b3CfMfUyY0eDncsGXtkbu1X+l9brjpMP8eJnY79Amms +a3nsOzKTXUfS9VyaXo8IrncM6n7fdaXpwba/3tNsAhJG4lDv1k4g9v8Ix2dfv6Rs +=mBP9 +-----END PGP MESSAGE----- +'), 'key', 'convert-crlf=1'), 'sha1'), 'hex'); +-- expected: 7efefcab38467f7484d6fa43dc86cf5281bd78e2 + +-- check BUG #11905, problem with messages 6 less than a power of 2. +select pgp_sym_decrypt(pgp_sym_encrypt(repeat('x',65530),'1'),'1') = repeat('x',65530); +-- expected: true + + +-- Negative tests + +-- Decryption with a certain incorrect key yields an apparent Literal Data +-- packet reporting its content to be binary data. Ciphertext source: +-- iterative pgp_sym_encrypt('secret', 'key') until the random prefix gave +-- rise to that property. +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- + +ww0EBwMCxf8PTrQBmJdl0jcB6y2joE7GSLKRv7trbNsF5Z8ou5NISLUg31llVH/S0B2wl4bvzZjV +VsxxqLSPzNLAeIspJk5G +=mSd/ +-----END PGP MESSAGE----- +'), 'wrong-key', 'debug=1'); + +-- Routine text/binary mismatch. +select pgp_sym_decrypt(pgp_sym_encrypt_bytea('P', 'key'), 'key', 'debug=1'); + +-- Decryption with a certain incorrect key yields an apparent BZip2-compressed +-- plaintext. Ciphertext source: iterative pgp_sym_encrypt('secret', 'key') +-- until the random prefix gave rise to that property. +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- + +ww0EBwMC9rK/dMkF5Zlt0jcBlzAQ1mQY2qYbKYbw8h3EZ5Jk0K2IiY92R82TRhWzBIF/8cmXDPtP +GXsd65oYJZp3Khz0qfyn +=Nmpq +-----END PGP MESSAGE----- +'), 'wrong-key', 'debug=1'); + +-- Routine use of BZip2 compression. Ciphertext source: +-- echo x | gpg --homedir /nonexistent --personal-compress-preferences bzip2 \ +-- --personal-cipher-preferences aes --no-emit-version --batch \ +-- --symmetric --passphrase key --armor +select pgp_sym_decrypt(dearmor(' +-----BEGIN PGP MESSAGE----- + +jA0EBwMCRhFrAKNcLVJg0mMBLJG1cCASNk/x/3dt1zJ+2eo7jHfjgg3N6wpB3XIe +QCwkWJwlBG5pzbO5gu7xuPQN+TbPJ7aQ2sLx3bAHhtYb0i3vV9RO10Gw++yUyd4R +UCAAw2JRIISttRHMfDpDuZJpvYo= +=AZ9M +-----END PGP MESSAGE----- +'), 'key', 'debug=1'); diff --git a/contrib/pgcrypto/sql/pgp-encrypt.sql b/contrib/pgcrypto/sql/pgp-encrypt.sql new file mode 100644 index 0000000..ed9d2c8 --- /dev/null +++ b/contrib/pgcrypto/sql/pgp-encrypt.sql @@ -0,0 +1,106 @@ +-- +-- PGP encrypt +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; + +select pgp_sym_decrypt(pgp_sym_encrypt('Secret.', 'key'), 'key'); + +-- check whether the defaults are ok +select pgp_sym_decrypt(pgp_sym_encrypt('Secret.', 'key'), + 'key', 'expect-cipher-algo=aes128, + expect-disable-mdc=0, + expect-sess-key=0, + expect-s2k-mode=3, + expect-s2k-digest-algo=sha1, + expect-compress-algo=0 + '); + +-- maybe the expect- stuff simply does not work +select pgp_sym_decrypt(pgp_sym_encrypt('Secret.', 'key'), + 'key', 'expect-cipher-algo=bf, + expect-disable-mdc=1, + expect-sess-key=1, + expect-s2k-mode=0, + expect-s2k-digest-algo=md5, + expect-compress-algo=1 + '); + +-- bytea as text +select pgp_sym_decrypt(pgp_sym_encrypt_bytea('Binary', 'baz'), 'baz'); + +-- text as bytea +select pgp_sym_decrypt_bytea(pgp_sym_encrypt('Text', 'baz'), 'baz'); + + +-- algorithm change +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'cipher-algo=bf'), + 'key', 'expect-cipher-algo=bf'); +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'cipher-algo=aes'), + 'key', 'expect-cipher-algo=aes128'); +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'cipher-algo=aes192'), + 'key', 'expect-cipher-algo=aes192'); + +-- s2k change +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-mode=0'), + 'key', 'expect-s2k-mode=0'); +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-mode=1'), + 'key', 'expect-s2k-mode=1'); +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-mode=3'), + 'key', 'expect-s2k-mode=3'); + +-- s2k count change +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-count=1024'), + 'key', 'expect-s2k-count=1024'); +-- s2k_count rounds up +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-count=65000000'), + 'key', 'expect-s2k-count=65000000'); + +-- s2k digest change +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-digest-algo=md5'), + 'key', 'expect-s2k-digest-algo=md5'); +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 's2k-digest-algo=sha1'), + 'key', 'expect-s2k-digest-algo=sha1'); + +-- sess key +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=0'), + 'key', 'expect-sess-key=0'); +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=1'), + 'key', 'expect-sess-key=1'); +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=1, cipher-algo=bf'), + 'key', 'expect-sess-key=1, expect-cipher-algo=bf'); +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=1, cipher-algo=aes192'), + 'key', 'expect-sess-key=1, expect-cipher-algo=aes192'); +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'sess-key=1, cipher-algo=aes256'), + 'key', 'expect-sess-key=1, expect-cipher-algo=aes256'); + +-- no mdc +select pgp_sym_decrypt( + pgp_sym_encrypt('Secret.', 'key', 'disable-mdc=1'), + 'key', 'expect-disable-mdc=1'); + +-- crlf +select encode(pgp_sym_decrypt_bytea( + pgp_sym_encrypt(E'1\n2\n3\r\n', 'key', 'convert-crlf=1'), + 'key'), 'hex'); + +-- conversion should be lossless +select encode(digest(pgp_sym_decrypt( + pgp_sym_encrypt(E'\r\n0\n1\r\r\n\n2\r', 'key', 'convert-crlf=1'), + 'key', 'convert-crlf=1'), 'sha1'), 'hex') as result, + encode(digest(E'\r\n0\n1\r\r\n\n2\r', 'sha1'), 'hex') as expect; diff --git a/contrib/pgcrypto/sql/pgp-info.sql b/contrib/pgcrypto/sql/pgp-info.sql new file mode 100644 index 0000000..8e1d72a --- /dev/null +++ b/contrib/pgcrypto/sql/pgp-info.sql @@ -0,0 +1,22 @@ +-- +-- PGP info functions +-- + +-- pgp_key_id + +select pgp_key_id(dearmor(pubkey)) from keytbl where id=1; +select pgp_key_id(dearmor(pubkey)) from keytbl where id=2; +select pgp_key_id(dearmor(pubkey)) from keytbl where id=3; +select pgp_key_id(dearmor(pubkey)) from keytbl where id=4; -- should fail +select pgp_key_id(dearmor(pubkey)) from keytbl where id=5; +select pgp_key_id(dearmor(pubkey)) from keytbl where id=6; + +select pgp_key_id(dearmor(seckey)) from keytbl where id=1; +select pgp_key_id(dearmor(seckey)) from keytbl where id=2; +select pgp_key_id(dearmor(seckey)) from keytbl where id=3; +select pgp_key_id(dearmor(seckey)) from keytbl where id=4; -- should fail +select pgp_key_id(dearmor(seckey)) from keytbl where id=5; +select pgp_key_id(dearmor(seckey)) from keytbl where id=6; + +select pgp_key_id(dearmor(data)) as data_key_id +from encdata order by id; diff --git a/contrib/pgcrypto/sql/pgp-pubkey-decrypt.sql b/contrib/pgcrypto/sql/pgp-pubkey-decrypt.sql new file mode 100644 index 0000000..3f2bae9 --- /dev/null +++ b/contrib/pgcrypto/sql/pgp-pubkey-decrypt.sql @@ -0,0 +1,647 @@ +-- +-- PGP Public Key Encryption +-- + +-- As most of the low-level stuff is tested in symmetric key +-- tests, here's only public-key specific tests + +create table keytbl ( + id int4, + name text, + pubkey text, + seckey text +); +create table encdata ( + id int4, + data text +); + +insert into keytbl (id, name, pubkey, seckey) +values (1, 'elg1024', ' +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: GnuPG v1.4.1 (GNU/Linux) + +mQGiBELIIUgRBACp401L6jXrLB28c3YA4sM3OJKnxM1GT9YTkWyE3Vyte65H8WU9 +tGPBX7OMuaX5eGZ84LFUGvaP0k7anfmXcDkCO3P9GgL+ro/dS2Ps/vChQPZqHaxE +xpKDUt47B7DGdRJrC8DRnIR4wbSyQA6ma3S1yFqC5pJhSs+mqf9eExOjiwCgntth +klRxIYw352ZX9Ov9oht/p/ED/1Xi4PS+tkXVvyIw5aZfa61bT6XvDkoPI0Aj3GE5 +YmCHJlKA/IhEr8QJOLV++5VEv4l6KQ1/DFoJzoNdr1AGJukgTc6X/WcQRzfQtUic +PHQme5oAWoHa6bVQZOwvbJh3mOXDq/Tk/KF22go8maM44vMn4bvv+SBbslviYLiL +jZJ1A/9JXF1esNq+X9HehJyqHHU7LEEf/ck6zC7o2erM3/LZlZuLNPD2cv3oL3Nv +saEgcTSZl+8XmO8pLmzjKIb+hi70qVx3t2IhMqbb4B/dMY1Ck62gPBKa81/Wwi7v +IsEBQLEtyBmGmI64YpzoRNFeaaF9JY+sAKqROqe6dLjJ7vebQLQfRWxnYW1hbCAx +MDI0IDx0ZXN0QGV4YW1wbGUub3JnPoheBBMRAgAeBQJCyCFIAhsDBgsJCAcDAgMV +AgMDFgIBAh4BAheAAAoJEBwpvA0YF3NkOtsAniI9W2bC3CxARTpYrev7ihreDzFc +AJ9WYLQxDQAi5Ec9AQoodPkIagzZ4LkBDQRCyCFKEAQAh5SNbbJMAsJ+sQbcWEzd +ku8AdYB5zY7Qyf9EOvn0g39bzANhxmmb6gbRlQN0ioymlDwraTKUAfuCZgNcg/0P +sxFGb9nDcvjIV8qdVpnq1PuzMFuBbmGI6weg7Pj01dlPiO0wt1lLX+SubktqbYxI ++h31c3RDZqxj+KAgxR8YNGMAAwYD+wQs2He1Z5+p4OSgMERiNzF0acZUYmc0e+/9 +6gfL0ft3IP+SSFo6hEBrkKVhZKoPSSRr5KpNaEobhdxsnKjUaw/qyoaFcNMzb4sF +k8wq5UlCkR+h72u6hv8FuleCV8SJUT1U2JjtlXJR2Pey9ifh8rZfu57UbdwdHa0v +iWc4DilhiEkEGBECAAkFAkLIIUoCGwwACgkQHCm8DRgXc2TtrwCfdPom+HlNVE9F +ig3hGY1Rb4NEk1gAn1u9IuQB+BgDP40YHHz6bKWS/x80 +=RWci +-----END PGP PUBLIC KEY BLOCK----- +', ' +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.1 (GNU/Linux) + +lQG7BELIIUgRBACp401L6jXrLB28c3YA4sM3OJKnxM1GT9YTkWyE3Vyte65H8WU9 +tGPBX7OMuaX5eGZ84LFUGvaP0k7anfmXcDkCO3P9GgL+ro/dS2Ps/vChQPZqHaxE +xpKDUt47B7DGdRJrC8DRnIR4wbSyQA6ma3S1yFqC5pJhSs+mqf9eExOjiwCgntth +klRxIYw352ZX9Ov9oht/p/ED/1Xi4PS+tkXVvyIw5aZfa61bT6XvDkoPI0Aj3GE5 +YmCHJlKA/IhEr8QJOLV++5VEv4l6KQ1/DFoJzoNdr1AGJukgTc6X/WcQRzfQtUic +PHQme5oAWoHa6bVQZOwvbJh3mOXDq/Tk/KF22go8maM44vMn4bvv+SBbslviYLiL +jZJ1A/9JXF1esNq+X9HehJyqHHU7LEEf/ck6zC7o2erM3/LZlZuLNPD2cv3oL3Nv +saEgcTSZl+8XmO8pLmzjKIb+hi70qVx3t2IhMqbb4B/dMY1Ck62gPBKa81/Wwi7v +IsEBQLEtyBmGmI64YpzoRNFeaaF9JY+sAKqROqe6dLjJ7vebQAAAnj4i4st+s+C6 +WKTIDcL1Iy0Saq8lCp60H0VsZ2FtYWwgMTAyNCA8dGVzdEBleGFtcGxlLm9yZz6I +XgQTEQIAHgUCQsghSAIbAwYLCQgHAwIDFQIDAxYCAQIeAQIXgAAKCRAcKbwNGBdz +ZDrbAJ9cp6AsjOhiLxwznsMJheGf4xkH8wCfUPjMCLm4tAEnyYn2hDNt7CB8B6Kd +ATEEQsghShAEAIeUjW2yTALCfrEG3FhM3ZLvAHWAec2O0Mn/RDr59IN/W8wDYcZp +m+oG0ZUDdIqMppQ8K2kylAH7gmYDXIP9D7MRRm/Zw3L4yFfKnVaZ6tT7szBbgW5h +iOsHoOz49NXZT4jtMLdZS1/krm5Lam2MSPod9XN0Q2asY/igIMUfGDRjAAMGA/sE +LNh3tWefqeDkoDBEYjcxdGnGVGJnNHvv/eoHy9H7dyD/kkhaOoRAa5ClYWSqD0kk +a+SqTWhKG4XcbJyo1GsP6sqGhXDTM2+LBZPMKuVJQpEfoe9ruob/BbpXglfEiVE9 +VNiY7ZVyUdj3svYn4fK2X7ue1G3cHR2tL4lnOA4pYQAA9030E4u2ZKOfJBpUM+EM +m9VmsGjaQZV4teB0R/q3W8sRIYhJBBgRAgAJBQJCyCFKAhsMAAoJEBwpvA0YF3Nk +7a8AniFFotw1x2X+oryu3Q3nNtmxoKHpAJ9HU7jw7ydg33dI9J8gVkrmsSZ2/w== +=nvqq +-----END PGP PRIVATE KEY BLOCK----- +'); + +insert into keytbl (id, name, pubkey, seckey) +values (2, 'elg2048', ' +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: GnuPG v1.4.1 (GNU/Linux) + +mQGiBELIIgoRBAC1onBpxKYgDvrgCaUWPY34947X3ogxGOfCN0p6Eqrx+2PUhm4n +vFvmczpMT4iDc0mUO+iwnwsEkXQI1eC99g8c0jnZAvzJZ5miAHL8hukMAMfDkYke +5aVvcPPc8uPDlItpszGmH0rM0V9TIt/i9QEXetpyNWhk4jj5qnohYhLeZwCgkOdO 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+WLz2PJVIiK41xiEkKhBvTOQYuXmtWqAWXptD91P5SoXoNJWLQO3TNwarANhHxkWg +w/TOUxQqoctlRUej5NDD+4eW5G9lcS1FEGuKDWtX096u80vO+TbyJjvx2eVM1k+X +dmeYsGOiNgDimCreJGYc14G7eY9jt24gw10n1sMAKI1qm6lcoHqZ9OOyla+wJdro +PYZGO7R8+1O9R22WrK6BYDT5j/1JwMZqbOESjNvDEVT0yOHClCHRN4CChbt6LhKh +CLUNdz/udIt0JAC6c/HdPLSW3HnmM3+iNj+Kug== +=pwU2 +-----END PGP PUBLIC KEY BLOCK----- +', ' +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.1 (GNU/Linux) + +lQOWBELr2m0BCADOrnknlnXI0EzRExf/TgoHvK7Xx/E0keWqV3KrOyC3/tY2KOrj +UVxaAX5pkFX9wdQObGPIJm06u6D16CH6CildX/vxG7YgvvKzK8JGAbwrXAfk7OIW +czO2zRaZGDynoK3mAxHRBReyTKtNv8rDQhuZs6AOozJNARdbyUO/yqUnqNNygWuT +4htFDEuLPIJwAbMSD0BvFW6YQaPdxzaAZm3EWVNbwDzjgbBUdBiUUwRdZIFUhsjJ +dirFdy5+uuZru6y6CNC1OERkJ7P8EyoFiZckAIE5gshVZzNuyLOZjc5DhWBvLbX4 +NZElAnfiv+4nA6y8wQLSIbmHA3nqJaBklj85AAYpAAf9GuKpxrXp267eSPw9ZeSw +Ik6ob1I0MHbhhHeaXQnF0SuOViJ1+Bs74hUB3/F5fqrnjVLIS/ysYzegYpbpXOIa +MZwYcp2e+dpmVb7tkGQgzXH0igGtBQBqoSUVq9mG2XKPVh2JmiYgOH6GrHSGmnCq +GCgEK4ezSomB/3OtPFSjAxOlSw6dXSkapSxW3pEGvCdaWd9p8yl4rSpGsZEErPPL +uSbZZrHtWfgq5UXdPeE1UnMlBcvSruvpN4qgWMgSMs4d2lXvzXJLcht/nryP+atT +H1gwnRmlDCVv5BeJepKo3ORJDvcPlXkJPhqS9If3BhTqt6QgQEFI4aIYYZOZpZoi +2QQA2Zckzktmsc1MS04zS9gm1CbxM9d2KK8EOlh7fycRQhYYqqavhTBH2MgEp+Dd +ZtuEN5saNDe9x/fwi2ok1Bq6luGMWPZU/nZe7fxadzwfliy/qPzStWFW3vY9mMLu +6uEqgjin/lf4YrAswXDZaEc5e4GuNgGfwr27hpjxE1jg3PsEAPMqXEOMT2yh+yRu +DlLRbFhYOI4aUHY2CGoQQONnwv2O5gFvmOcPlg3J5lvnwlOYCx0c3bDxAtHyjPJq +FAZqcJBaB9RDhKHwlWDrbx/6FPH2SuKE+u4msIhPFin4V3FAP+yTem/TKrdnaWy6 +EUrhCWTXVRTijBaCudfjFd/ipHZbA/0dv7UAcoWK6kiVLzyE+jOvtN+ZxTzxq7CW +mlFPgAC966hgJmz9IXqadtMgPAoL3PK9q1DbPM3JhsQcJrNzTJqZrdN1/kPU0HHa ++aof1BVy3wSvp2mXgaRUULStyhUIyBRM6hAYp3/MoWEYn/bwr+zQkIU8Zsk6OsZ6 +q1xE3cowrUWFtCVSU0EgMjA0OCBFbmMgPHJzYTIwNDhlbmNAZXhhbXBsZS5vcmc+ +iQE0BBMBAgAeBQJC69ptAhsDBgsJCAcDAgMVAgMDFgIBAh4BAheAAAoJEMiZ6pNE +GVVZHMkIAJtGHHZ9iM8Yq1rr0zl1L6SvlQP8JCaxHa31wH3PKqGtq2M+cpb2rXf7 +gAY/doHJPXggfVzkyFrysmQ1gPbDGYLyOutw+IkhihEb5bWxQBNj+3zAFs1YX6v2 +HXWbSUSmyY1V9/+NTtKk03olDc/swd3lXzkuUOhcgfpBgIt3Q+MpT6M2+OIF7lVf +Sb1rWdpwTfGhZzW9szQOeoS4gPvxCCRyuabQRJ6DWH61F8fFIDJg1z+A/Obx4fqX +6GOA69RzgZ3oukFBIXxNwV9PZNnAmHtZVYO80g/oVYBbuvOYedffDBeQarhERZ5W +2TnIE+nqY61YOLBqosliygdZTXULzNidA5YEQuvaugEIAOuCJZdkzORA6e1lr81L +nr4JzMsVBFA+X/yIkBbV6qX/A4nVSLAZKNPXz1YIrMTu+1rMIiy10IWbA6zgMTpz +PhJRfgePONgdnCYyK5Ksh5/C5ntzKwwGwxfKlAXIxJurCHXTbEa+YvPdn76vJ3Hs +XOXVEL+fLb4U3l3Ng87YM202Lh1Ha2MeS2zEFZcAoKbFqAAjDLEai64SoOFh0W3C +sD1DL4zmfp+YZrUPHTtZadsi53i4KKW/ws9UrHlolqYNhYze/uRLyfnUx9PN4r/G +hEzauyDMV0smo91uB3aewPft+eCpmeWnu0PFJVK4xyRmhIq2rVCw16a1pBJirvGM ++y0ABikAB/oC3z7lv6sVg+ngjbpWy9lZu2/ECZ9FqViVz7bUkjfvSuowgpncryLW +4EpVV4U6mMSgU6kAi5VGT/BvYGSAtnqDWGiPs7Kk+h4Adz74bEAXzU280pNBtSfX +tGvzlS4a376KzYFSCJDRBdMebEhJMbY0wQmR8lTZu5JSUI4YYEuN0c7ckdsw8w42 +QWTLonG8HC6h8UPKS0EAcaCo7tFubMIesU6cWuTYucsHE+wjbADjuSNX968qczNe +NoL2BUznXOQoPu6HQO4/8cr7ib+VQkB2bHQcMoZazPUStIID1e4CL4XcxfuAmT8o +3XDvMLgVqNp5W2f8Mzmk3/DbtsLXLOv5BADsCzQpseC8ikSYJC72hcon1wlUmGeH +3qgGiiHhYXFa18xgI5juoO8DaWno0rPPlgr36Y8mSB5qjYHMXwjKnKyUmt11H+hU ++6uk4hq3Rjd8l+vfuOSr1xoTrtBUg9Rwfw6JVo0DC+8CWg4oBWsLXVM6KQXPFdJs +8kyFQplR/iP1XQQA/2tbDANjAYGNNDjJO9/0kEnSAUyYMasFJDrA2q17J5CroVQw +QpMmWwdDkRANUVPKnWHS5sS65BRc7UytKe2f3A3ZInGXJIK2Hl+TzapWYcYxql+4 +ol5mEDDMDbhEE8Wmj9KyB6iifdLI0K+yxNb9T4Jpj3J18+St+G8+9AcFcBEEAM1b +M9C+/05cnV8gjcByqH9M9ypo8fzPvMKVXWwCLQXpaL50QIkzLURkiMoEWrCdELaA +sVPotRzePTIQ1ooLeDxd1gRnDqjZiIR0kwmv6vq8tfzY96O2ZbGWFI5eth89aWEJ +WB8AR3zYcXpwJLwPuhXW2/NlZF0bclJ3jNzAfTIeQmeJAR8EGAECAAkFAkLr2roC +GwwACgkQyJnqk0QZVVku1wgAg1bLSjPkhw+ldG5HzumpqR84+JKyozdJaJzefu2+ +1iqYE0B0WLz2PJVIiK41xiEkKhBvTOQYuXmtWqAWXptD91P5SoXoNJWLQO3TNwar +ANhHxkWgw/TOUxQqoctlRUej5NDD+4eW5G9lcS1FEGuKDWtX096u80vO+TbyJjvx +2eVM1k+XdmeYsGOiNgDimCreJGYc14G7eY9jt24gw10n1sMAKI1qm6lcoHqZ9OOy +la+wJdroPYZGO7R8+1O9R22WrK6BYDT5j/1JwMZqbOESjNvDEVT0yOHClCHRN4CC +hbt6LhKhCLUNdz/udIt0JAC6c/HdPLSW3HnmM3+iNj+Kug== +=UKh3 +-----END PGP PRIVATE KEY BLOCK----- +'); + +insert into keytbl (id, name, pubkey, seckey) +values (7, 'rsaenc2048-psw', ' +same key with password +', ' +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.11 (GNU/Linux) + +lQPEBELr2m0BCADOrnknlnXI0EzRExf/TgoHvK7Xx/E0keWqV3KrOyC3/tY2KOrj +UVxaAX5pkFX9wdQObGPIJm06u6D16CH6CildX/vxG7YgvvKzK8JGAbwrXAfk7OIW +czO2zRaZGDynoK3mAxHRBReyTKtNv8rDQhuZs6AOozJNARdbyUO/yqUnqNNygWuT +4htFDEuLPIJwAbMSD0BvFW6YQaPdxzaAZm3EWVNbwDzjgbBUdBiUUwRdZIFUhsjJ +dirFdy5+uuZru6y6CNC1OERkJ7P8EyoFiZckAIE5gshVZzNuyLOZjc5DhWBvLbX4 +NZElAnfiv+4nA6y8wQLSIbmHA3nqJaBklj85AAYp/gcDCNnoEKwFo86JYCE1J92R +HRQ7DoyAZpW1O0dTXL8Epk0sKsKDrCJOrIkDymsjfyBexADIeqOkioy/50wD2Mku +CVHKWO2duAiJN5t/FoRgpR1/Q11K6QdfqOG0HxwfIXLcPv7eSIso8kWorj+I01BP +Fn/atGEbIjdWaz/q2XHbu0Q3x6Et2gIsbLRVMhiYz1UG9uzGJ0TYCdBa2SFhs184 +52akMpD+XVdM0Sq9/Cx40Seo8hzERB96+GXnQ48q2OhlvcEXiFyD6M6wYCWbEV+6 +XQVMymbl22FPP/bD9ReQX2kjrkQlFAtmhr+0y8reMCbcxwLuQfA3173lSPo7jrbH +oLrGhkRpqd2bYCelqdy/XMmRFso0+7uytHfTFrUNfDWfmHVrygoVrNnarCbxMMI0 +I8Q+tKHMThWgf0rIOSh0+w38kOXFCEqEWF8YkAqCrMZIlJIed78rOCFgG4aHajZR +D8rpXdUOIr/WeUddK25Tu8IuNJb0kFf12IMgNh0nS+mzlqWiofS5kA0TeB8wBV6t +RotaeyDNSsMoowfN8cf1yHMTxli+K1Tasg003WVUoWgUc+EsJ5+KTNwaX5uGv0Cs +j6dg6/FVeVRL9UsyF+2kt7euX3mABuUtcVGx/ZKTq/MNGEh6/r3B5U37qt+FDRbw +ppKPc2AP+yBUWsQskyrxFgv4eSpcLEg+lgdz/zLyG4qW4lrFUoO790Cm/J6C7/WQ +Z+E8kcS8aINJkg1skahH31d59ZkbW9PVeJMFGzNb0Z2LowngNP/BMrJ0LT2CQyLs +UxbT16S/gwAyUpJnbhWYr3nDdlwtC0rVopVTPD7khPRppcsq1f8D70rdIxI4Ouuw +vbjNZ1EWRJ9f2Ywb++k/xgSXwJkGodUlrUr+3i8cv8mPx+fWvif9q7Y5Ex1wCRa8 +8FAj/o+hEbQlUlNBIDIwNDggRW5jIDxyc2EyMDQ4ZW5jQGV4YW1wbGUub3JnPokB +NAQTAQIAHgUCQuvabQIbAwYLCQgHAwIDFQIDAxYCAQIeAQIXgAAKCRDImeqTRBlV +WRzJCACbRhx2fYjPGKta69M5dS+kr5UD/CQmsR2t9cB9zyqhratjPnKW9q13+4AG +P3aByT14IH1c5Mha8rJkNYD2wxmC8jrrcPiJIYoRG+W1sUATY/t8wBbNWF+r9h11 +m0lEpsmNVff/jU7SpNN6JQ3P7MHd5V85LlDoXIH6QYCLd0PjKU+jNvjiBe5VX0m9 +a1nacE3xoWc1vbM0DnqEuID78Qgkcrmm0ESeg1h+tRfHxSAyYNc/gPzm8eH6l+hj +gOvUc4Gd6LpBQSF8TcFfT2TZwJh7WVWDvNIP6FWAW7rzmHnX3wwXkGq4REWeVtk5 +yBPp6mOtWDiwaqLJYsoHWU11C8zYnQPEBELr2roBCADrgiWXZMzkQOntZa/NS56+ +CczLFQRQPl/8iJAW1eql/wOJ1UiwGSjT189WCKzE7vtazCIstdCFmwOs4DE6cz4S +UX4HjzjYHZwmMiuSrIefwuZ7cysMBsMXypQFyMSbqwh102xGvmLz3Z++rydx7Fzl +1RC/ny2+FN5dzYPO2DNtNi4dR2tjHktsxBWXAKCmxagAIwyxGouuEqDhYdFtwrA9 +Qy+M5n6fmGa1Dx07WWnbIud4uCilv8LPVKx5aJamDYWM3v7kS8n51MfTzeK/xoRM +2rsgzFdLJqPdbgd2nsD37fngqZnlp7tDxSVSuMckZoSKtq1QsNemtaQSYq7xjPst +AAYp/gcDCNnoEKwFo86JYAsxoD+wQ0zBi5RBM5EphXTpM1qKxmigsKOvBSaMmr0y +VjHtGY3poyV3t6VboOGCsFcaKm0tIdDL7vrxxwyYESETpF29b7QrYcoaLKMG7fsy +t9SUI3UV2H9uUquHgqHtsqz0jYOgm9tYnpesgQ/kOAWI/tej1ZJXUIWEmZMH/W6d +ATNvZ3ivwApfC0qF5G3oPgBSoIuQ/8I+pN/kmuyNAnJWNgagFhA/2VFBvh5XgztV +NW7G//KpR1scsn140SO/wpGBM3Kr4m8ztl9w9U6a7NlQZ2ub3/pIUTpSzyLBxJZ/ +RfuZI7ROdgDMKmEgCYrN2kfp0LIxnYL6ZJu3FDcS4V098lyf5rHvB3PAEdL6Zyhd +qYp3Sx68r0F4vzk5iAIWf6pG2YdfoP2Z48Pmq9xW8qD9iwFcoz9oAzDEMENn6dfq +6MzfoaXEoYp8cR/o+aeEaGUtYBHiaxQcJYx35B9IhsXXA49yRORK8qdwhSHxB3NQ +H3pUWkfw368f/A207hQVs9yYXlEvMZikxl58gldCd3BAPqHm/XzgknRRNQZBPPKJ +BMZebZ22Dm0qDuIqW4GXLB4sLf0+UXydVINIUOlzg+S4jrwx7eZqb6UkRXTIWVo5 +psTsD14wzWBRdUQHZOZD33+M8ugmewvLY/0Uix+2RorkmB7/jqoZvx/MehDwmCZd +VH8sb2wpZ55sj7gCXxvrfieQD/VeH54OwjjbtK56iYq56RVD0h1az8xDY2GZXeT7 +J0c3BGpuoca5xOFWr1SylAr/miEPxOBfnfk8oZQJvZrjSBGjsTbALep2vDJk8ROD +sdQCJuU1RHDrwKHlbUL0NbGRO2juJGsatdWnuVKsFbaFW2pHHkezKuwOcaAJv7Xt +8LRF17czAJ1uaLKwV8Paqx6UIv+089GbWZi7HIkBHwQYAQIACQUCQuvaugIbDAAK +CRDImeqTRBlVWS7XCACDVstKM+SHD6V0bkfO6ampHzj4krKjN0lonN5+7b7WKpgT +QHRYvPY8lUiIrjXGISQqEG9M5Bi5ea1aoBZem0P3U/lKheg0lYtA7dM3BqsA2EfG +RaDD9M5TFCqhy2VFR6Pk0MP7h5bkb2VxLUUQa4oNa1fT3q7zS875NvImO/HZ5UzW +T5d2Z5iwY6I2AOKYKt4kZhzXgbt5j2O3biDDXSfWwwAojWqbqVygepn047KVr7Al +2ug9hkY7tHz7U71HbZasroFgNPmP/UnAxmps4RKM28MRVPTI4cKUIdE3gIKFu3ou +EqEItQ13P+50i3QkALpz8d08tJbceeYzf6I2P4q6 +=QFm5 +-----END PGP PRIVATE KEY BLOCK----- +'); + + +-- elg1024 / aes128 +insert into encdata (id, data) values (1, ' +-----BEGIN PGP MESSAGE----- +Version: GnuPG v1.4.1 (GNU/Linux) + +hQEOA9k2z2S7c/RmEAQAgVWW0DeLrZ+1thWJGBPp2WRFL9HeNqqWHbKJCXJbz1Uy +faUY7yxVvG5Eutmo+JMiY3mg23/DgVVXHQZsTWpGvGM6djgUNGKUjZDbW6Nog7Mr +e78IywattCOmgUP9vIwwg3OVjuDCN/nVirGQFnXpJBc8DzWqDMWRWDy1M0ZsK7AD +/2JTosSFxUdpON0DKtIY3GLzmh6Nk3iV0g8VgJKUBT1rhCXuMDj3snm//EMm7hTY +PlnObq4mIhgz8NqprmhooxnU0Kapofb3P3wCHPpU14zxhXY8iKO/3JhBq2uFcx4X +uBMwkW4AdNxY/mzJZELteTL8Tr0s7PISk+owb4URpG3n0jsBc0CVULxrjh5Ejkdw +wCM195J6+KbQxOOFQ0b3uOVvv4dEgd/hRERCOq5EPaFhlHegyYJ7YO842vnSDA== +=PABx +-----END PGP MESSAGE----- +'); + +-- elg2048 / blowfish +insert into encdata (id, data) values (2, ' +-----BEGIN PGP MESSAGE----- +Version: GnuPG v1.4.1 (GNU/Linux) + +hQIOAywibh/+XMfUEAf+OINhBngEsw4a/IJIeJvUgv1gTQzBwOdQEuc/runr4Oa8 +Skw/Bj0X/zgABVZLem1a35NHaNwaQaCFwMQ41YyWCu+jTdsiyX/Nw0w8LKKz0rNC +vVpG6YuV7Turtsf8a5lXy1K0SHkLlgxQ6c76GS4gtSl5+bsL2+5R1gSRJ9NXqCQP +OHRipEiYwBPqr5R21ZG0FXXNKGOGkj6jt/M/wh3WVtAhYuBI+HPKRfAEjd/Pu/eD +e1zYtkH1dKKFmp44+nF0tTI274xpuso7ShfKYrOK3saFWrl0DWiWteUinjSA1YBY +m7dG7NZ8PW+g1SZWhEoPjEEEHz3kWMvlKheMRDudnQf/dDyX6kZVIAQF/5B012hq +QyVewgTGysowFIDn01uIewoEA9cASw699jw9IoJp+k5WZXnU+INllBLzQxniQCSu +iEcr0x3fYqNtj9QBfbIqyRcY6HTWcmzyOUeGaSyX76j+tRAvtVtXpraFFFnaHB70 +YpXTjLkp8EBafzMghFaKDeXlr2TG/T7rbwcwWrFIwPqEAUKWN5m97Q3eyo8/ioMd +YoFD64J9ovSsgbuU5IpIGAsjxK+NKzg/2STH7zZFEVCtgcIXsTHTZfiwS98/+1H9 +p1DIDaXIcUFV2ztmcKxh9gt2sXRz1W+x6D8O0k3nanU5yGG4miLKaq18fbcA0BD1 ++NIzAfelq6nvvxYKcGcamBMgLo5JkZOBHvyr6RsAKIT5QYc0QTjysTk9l0Am3gYc +G2pAE+3k +=TBHV +-----END PGP MESSAGE----- +'); + +-- elg4096 / aes256 +insert into encdata (id, data) values (3, ' +-----BEGIN PGP MESSAGE----- +Version: GnuPG v1.4.1 (GNU/Linux) + +hQQOA7aFBP0Sjh/5EA/+JCgncc8IZmmRjPStWnGf9tVJhgHTn+smIclibGzs0deS +SPSCitzpblwbUDvu964+/5e5Q1l7rRuNN+AgETlEd4eppv7Swn2ChdgOXxRwukcT +Nh3G+PTFvD4ayi7w1db3qvXIt0MwN4Alt436wJmK1oz2Ka9IcyO+wHWrDy1nSGSx +z5x7YEj+EZPgWc/YAvudqE8Jpzd/OT5zSHN09UFkIAk6NxisKaIstbEGFgpqtoDZ +1SJM84XAdL2IcaJ3YY7k/yzwlawhsakKd4GSd5vWmAwvyzzbSiBMfKsDE16ePLNU +ZBF7CzmlCBPZ7YrFAHLpXBXXkCQvzD2BEYOjse50ZEfJ036T7950Ozcdy1EQbGon +nyQ4Gh0PBpnMcBuiXOceWuYzhlzFOzDtlVKdNTxFRDcbEyW2jo9xQYvCCLnYy8EH +2M7S8jCtVYJBbn63a82ELv+3+kWYcsvBJv2ZVBh4ncrBu9o0P+OYS7ApoOU+j6p2 ++t0RXHksqXS1YiUwYF5KSw09EbYMgNZ9G04Px/PxLU6fSC9iDrGX7Xt3kOUP0mku +C518fPckT0zzRXqfFruJNRzDytW50KxkOQZzU1/Az1YlYN9QzWeU4EtLPb2fftZo +D0qH/ln+f9Op5t6sD2fcxZVECU1b/bFtZsxvwH406YL+UQ7hU/XnZrzVVzODal8P +/j1hg7v7BdJqu1DTp9nFWUuwMFcYAczuXn29IG183NZ7Ts4whDeYEhS8eNoLPX4j +txY12ILD/w/3Q4LoW/hPa6OdfEzsn0U5GLf1WiGmJE1H6ft2U/xUnerc/u0kt+FU +WAisArd4MuKtf7B5Vu/VF3kUdrR0hTniUKUivmC4o1jSId31Dufxj4aadVyldXAr +6TNBcdyragZjxEZ6hsBCYzA0Rd1a8atd6OaQoIEEfAzCu5Ks29pydHErStYGjWJ1 +KA5KPLVvjbHpDmRhlCcm8vgpYQsBYEB5gE9fx5yCTlsVhCB6y23h7hfdMqerDqkO +ZOPsO5h+tiHCdIrQ36sMjuINy1/K2rYcXd+Crh2iHcfidpU9fvDz2ihTRNQlhjuT +0cQZM5JhctEx4VXF4LDctRhit7Hn0iqsk604woQfJVvP8O673xSXT/kBY0A/v9C0 +3C4YoFNeSaKwbfZQ/4u1ZFPJxK2IIJa8UGpyAUewLMlzGVVagljybv/f4Z9ERAhy +huq5sMmw8UPsrJF2TUGHz5WSIwoh0J/qovoQI09I9sdEnFczDvRavMO2Mldy3E5i +exz9oewtel6GOmsZQSYWT/vJzbYMmvHNmNpVwwoKrLV6oI3kyQ80GHBwI1WlwHoK +2iRB0w8q4VVvJeYAz8ZIp380cqC3pfO0uZsrOx4g3k4X0jsB5y7rF5xXcZfnVbvG +DYKcOy60/OHMWVvpw6trAoA+iP+cVWPtrbRvLglTVTfYmi1ToZDDipkALBhndQ== +=L/M/ +-----END PGP MESSAGE----- +'); + +-- rsaenc2048 / aes128 +insert into encdata (id, data) values (4, ' +-----BEGIN PGP MESSAGE----- +Version: GnuPG v1.4.1 (GNU/Linux) + +hQEMA/0CBsQJt0h1AQf+JyYnCiortj26P11zk28MKOGfWpWyAhuIgwbJXsdQ+e6r +pEyyqs9GC6gI7SNF6+J8B/gsMwvkAL4FHAQCvA4ZZ6eeXR1Of4YG22JQGmpWVWZg +DTyfhA2vkczuqfAD2tgUpMT6sdyGkQ/fnQ0lknlfHgC5GRx7aavOoAKtMqiZW5PR +yae/qR48mjX7Mb+mLvbagv9mHEgQSmHwFpaq2k456BbcZ23bvCmBnCvqV/90Ggfb +VP6gkSoFVsJ19RHsOhW1dk9ehbl51WB3zUOO5FZWwUTY9DJvKblRK/frF0+CXjE4 +HfcZXHSpSjx4haGGTsMvEJ85qFjZpr0eTGOdY5cFhNJAAVP8MZfji7OhPRAoOOIK +eRGOCkao12pvPyFTFnPd5vqmyBbdNpK4Q0hS82ljugMJvM0p3vJZVzW402Kz6iBL +GQ== +=XHkF +-----END PGP MESSAGE----- +'); + +-- rsaenc2048 / aes128 (not from gnupg) +insert into encdata (id, data) values (5, ' +-----BEGIN PGP MESSAGE----- + +wcBMA/0CBsQJt0h1AQgAzxZ8j+OTeZ8IlLxfZ/mVd28/gUsCY+xigWBk/anZlK3T +p2tNU2idHzKdAttH2Hu/PWbZp4kwjl9spezYxMqCeBZqtfGED88Y+rqK0n/ul30A +7jjFHaw0XUOqFNlST1v6H2i7UXndnp+kcLfHPhnO5BIYWxB2CYBehItqtrn75eqr +C7trGzU/cr74efcWagbCDSNjiAV7GlEptlzmgVMmNikyI6w0ojEUx8lCLc/OsFz9 +pJUAX8xuwjxDVv+W7xk6c96grQiQlm+FLDYGiGNXoAzx3Wi/howu3uV40dXfY+jx +3WBrhEew5Pkpt1SsWoFnJWOfJ8GLd0ec8vfRCqAIVdLgAeS7NyawQYtd6wuVrEAj +5SMg4Thb4d+g45RksuGLHUUr4qO9tiXglODa4InhmJfgNuLk+RGz4LXjq8wepEmW +vRbgFOG54+Cf4C/gC+HkreDm5JKSKjvvw4B/jC6CDxq+JoziEe2Z1uEjCuEcr+Es +/eGzeOi36BejXPMHeKxXejj5qBBHKV0pHVhZSgffR0TtlXdB967Yl/5agV0R89hI +7Gw52emfnH4Z0Y4V0au2H0k1dR/2IxXdJEWSTG7Be1JHT59p9ei2gSEOrdBMIOjP +tbYYUlmmbvD49bHfThkDiC+oc9947LgQsk3kOOLbNHcjkbrjH8R5kjII4m/SEZA1 +g09T+338SzevBcVXh/cFrQ6/Et+lyyO2LJRUMs69g/HyzJOVWT2Iu8E0eS9MWevY +Qtrkrhrpkl3Y02qEp/j6M03Yu2t6ZF7dp51aJ5VhO2mmmtHaTnCyCc8Fcf72LmD8 +blH2nKZC9d6fi4YzSYMepZpMOFR65M80MCMiDUGnZBB8sEADu2/iVtqDUeG8mAA= +=PHJ1 +-----END PGP MESSAGE----- +'); + +-- successful decrypt +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=1 and encdata.id=1; + +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=2 and encdata.id=2; + +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=3 and encdata.id=3; + +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=6 and encdata.id=4; + +-- wrong key +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=2 and encdata.id=1; + +-- sign-only key +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=4 and encdata.id=1; + +-- rsa: password-protected secret key, wrong password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey), '123') +from keytbl, encdata where keytbl.id=7 and encdata.id=4; + +-- rsa: password-protected secret key, right password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey), 'parool') +from keytbl, encdata where keytbl.id=7 and encdata.id=4; + +-- password-protected secret key, no password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=5 and encdata.id=1; + +-- password-protected secret key, wrong password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey), 'foo') +from keytbl, encdata where keytbl.id=5 and encdata.id=1; + +-- password-protected secret key, right password +select pgp_pub_decrypt(dearmor(data), dearmor(seckey), 'parool') +from keytbl, encdata where keytbl.id=5 and encdata.id=1; + +-- test for a short read from prefix_init +select pgp_pub_decrypt(dearmor(data), dearmor(seckey)) +from keytbl, encdata where keytbl.id=6 and encdata.id=5; diff --git a/contrib/pgcrypto/sql/pgp-pubkey-encrypt.sql b/contrib/pgcrypto/sql/pgp-pubkey-encrypt.sql new file mode 100644 index 0000000..879b47f --- /dev/null +++ b/contrib/pgcrypto/sql/pgp-pubkey-encrypt.sql @@ -0,0 +1,50 @@ +-- +-- PGP Public Key Encryption +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; + +-- successful encrypt/decrypt +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=1; + +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=2; + +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=3; + +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=6; + +-- try with rsa-sign only +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=4; + +-- try with secret key +select pgp_pub_decrypt( + pgp_pub_encrypt('Secret msg', dearmor(seckey)), + dearmor(seckey)) +from keytbl where keytbl.id=1; + +-- does text-to-bytea works +select pgp_pub_decrypt_bytea( + pgp_pub_encrypt('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=1; + +-- and bytea-to-text? +select pgp_pub_decrypt( + pgp_pub_encrypt_bytea('Secret msg', dearmor(pubkey)), + dearmor(seckey)) +from keytbl where keytbl.id=1; diff --git a/contrib/pgcrypto/sql/pgp-zlib-DISABLED.sql b/contrib/pgcrypto/sql/pgp-zlib-DISABLED.sql new file mode 100644 index 0000000..6f4eccd --- /dev/null +++ b/contrib/pgcrypto/sql/pgp-zlib-DISABLED.sql @@ -0,0 +1 @@ +-- zlib is disabled diff --git a/contrib/pgcrypto/sql/rijndael.sql b/contrib/pgcrypto/sql/rijndael.sql new file mode 100644 index 0000000..a9bcbf3 --- /dev/null +++ b/contrib/pgcrypto/sql/rijndael.sql @@ -0,0 +1,63 @@ +-- +-- AES cipher (aka Rijndael-128, -192, or -256) +-- +-- ensure consistent test output regardless of the default bytea format +SET bytea_output TO escape; + +-- some standard Rijndael testvalues +SELECT encode(encrypt( +decode('00112233445566778899aabbccddeeff', 'hex'), +decode('000102030405060708090a0b0c0d0e0f', 'hex'), +'aes-ecb/pad:none'), 'hex'); + +SELECT encode(encrypt( +decode('00112233445566778899aabbccddeeff', 'hex'), +decode('000102030405060708090a0b0c0d0e0f1011121314151617', 'hex'), +'aes-ecb/pad:none'), 'hex'); + +SELECT encode(encrypt( +decode('00112233445566778899aabbccddeeff', 'hex'), +decode('000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f', 'hex'), +'aes-ecb/pad:none'), 'hex'); + +-- cbc +SELECT encode(encrypt( +decode('00112233445566778899aabbccddeeff', 'hex'), +decode('000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f', 'hex'), +'aes-cbc/pad:none'), 'hex'); + +-- key padding + +SELECT encode(encrypt( +decode('0011223344', 'hex'), +decode('000102030405', 'hex'), +'aes-cbc'), 'hex'); + +SELECT encode(encrypt( +decode('0011223344', 'hex'), +decode('000102030405060708090a0b0c0d0e0f10111213', 'hex'), +'aes-cbc'), 'hex'); + +SELECT encode(encrypt( +decode('0011223344', 'hex'), +decode('000102030405060708090a0b0c0d0e0f101112131415161718191a1b', 'hex'), +'aes-cbc'), 'hex'); + +-- empty data +select encode(encrypt('', 'foo', 'aes'), 'hex'); +-- 10 bytes key +select encode(encrypt('foo', '0123456789', 'aes'), 'hex'); +-- 22 bytes key +select encode(encrypt('foo', '0123456789012345678901', 'aes'), 'hex'); + +-- decrypt +select decrypt(encrypt('foo', '0123456', 'aes'), '0123456', 'aes'); + +-- iv +select encode(encrypt_iv('foo', '0123456', 'abcd', 'aes'), 'hex'); +select decrypt_iv(decode('2c24cb7da91d6d5699801268b0f5adad', 'hex'), + '0123456', 'abcd', 'aes'); + +-- long message +select encode(encrypt('Lets try a longer message.', '0123456789', 'aes'), 'hex'); +select decrypt(encrypt('Lets try a longer message.', '0123456789', 'aes'), '0123456789', 'aes'); diff --git a/contrib/pgcrypto/sql/sha1.sql b/contrib/pgcrypto/sql/sha1.sql new file mode 100644 index 0000000..32b1f06 --- /dev/null +++ b/contrib/pgcrypto/sql/sha1.sql @@ -0,0 +1,11 @@ +-- +-- SHA1 message digest +-- + +SELECT encode(digest('', 'sha1'), 'hex'); +SELECT encode(digest('a', 'sha1'), 'hex'); +SELECT encode(digest('abc', 'sha1'), 'hex'); +SELECT encode(digest('message digest', 'sha1'), 'hex'); +SELECT encode(digest('abcdefghijklmnopqrstuvwxyz', 'sha1'), 'hex'); +SELECT encode(digest('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', 'sha1'), 'hex'); +SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'sha1'), 'hex'); diff --git a/contrib/pgcrypto/sql/sha2.sql b/contrib/pgcrypto/sql/sha2.sql new file mode 100644 index 0000000..3fe63d3 --- /dev/null +++ b/contrib/pgcrypto/sql/sha2.sql @@ -0,0 +1,33 @@ +-- +-- SHA2 family +-- + +-- SHA224 +SELECT encode(digest('', 'sha224'), 'hex'); +SELECT encode(digest('a', 'sha224'), 'hex'); +SELECT encode(digest('abc', 'sha224'), 'hex'); +SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha224'), 'hex'); +SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'sha224'), 'hex'); + +-- SHA256 +SELECT encode(digest('', 'sha256'), 'hex'); +SELECT encode(digest('a', 'sha256'), 'hex'); +SELECT encode(digest('abc', 'sha256'), 'hex'); +SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha256'), 'hex'); +SELECT encode(digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'sha256'), 'hex'); + +-- SHA384 +SELECT encode(digest('', 'sha384'), 'hex'); +SELECT encode(digest('a', 'sha384'), 'hex'); +SELECT encode(digest('abc', 'sha384'), 'hex'); +SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha384'), 'hex'); +SELECT encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu', 'sha384'), 'hex'); +SELECT encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz', 'sha384'), 'hex'); + +-- SHA512 +SELECT encode(digest('', 'sha512'), 'hex'); +SELECT encode(digest('a', 'sha512'), 'hex'); +SELECT encode(digest('abc', 'sha512'), 'hex'); +SELECT encode(digest('abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq', 'sha512'), 'hex'); +SELECT encode(digest('abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu', 'sha512'), 'hex'); +SELECT encode(digest('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz', 'sha512'), 'hex'); -- cgit v1.2.3