From 4fc2f55f761d71aae1f145d5aa94ba929cc39676 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:34:30 +0200 Subject: Adding upstream version 1.7.3. Signed-off-by: Daniel Baumann --- ext/ipcrypt/LICENSE | 14 + ext/ipcrypt/Makefile.am | 8 + ext/ipcrypt/Makefile.in | 722 ++++++++++++++++++++++++++++++++++++++++++++++++ ext/ipcrypt/ipcrypt.c | 87 ++++++ ext/ipcrypt/ipcrypt.h | 24 ++ 5 files changed, 855 insertions(+) create mode 100644 ext/ipcrypt/LICENSE create mode 100644 ext/ipcrypt/Makefile.am create mode 100644 ext/ipcrypt/Makefile.in create mode 100644 ext/ipcrypt/ipcrypt.c create mode 100644 ext/ipcrypt/ipcrypt.h (limited to 'ext/ipcrypt') diff --git a/ext/ipcrypt/LICENSE b/ext/ipcrypt/LICENSE new file mode 100644 index 0000000..0a199e5 --- /dev/null +++ b/ext/ipcrypt/LICENSE @@ -0,0 +1,14 @@ +Copyright (c) 2015-2018, Frank Denis + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + diff --git a/ext/ipcrypt/Makefile.am b/ext/ipcrypt/Makefile.am new file mode 100644 index 0000000..cd66bfc --- /dev/null +++ b/ext/ipcrypt/Makefile.am @@ -0,0 +1,8 @@ +EXTRA_DIST = \ + LICENSE + +noinst_LTLIBRARIES = libipcrypt.la + +libipcrypt_la_SOURCES = \ + ipcrypt.c \ + ipcrypt.h diff --git a/ext/ipcrypt/Makefile.in b/ext/ipcrypt/Makefile.in new file mode 100644 index 0000000..d717105 --- /dev/null +++ b/ext/ipcrypt/Makefile.in @@ -0,0 +1,722 @@ +# Makefile.in generated by automake 1.16.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2018 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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7); + state[1] ^= state[2]; + state[3] ^= state[0]; + ROTL(state[2], 4); +} + +static void +arx_bwd(unsigned char state[4]) +{ + ROTL(state[2], 4); + state[1] ^= state[2]; + state[3] ^= state[0]; + ROTL(state[1], 5); + ROTL(state[3], 1); + state[0] -= state[3]; + state[2] -= state[1]; + ROTL(state[0], 4); + state[1] ^= state[0]; + state[3] ^= state[2]; + ROTL(state[1], 6); + ROTL(state[3], 3); + state[0] -= state[1]; + state[2] -= state[3]; +} + +static inline void +xor4(unsigned char *out, const unsigned char *x, const unsigned char *y) +{ + out[0] = x[0] ^ y[0]; + out[1] = x[1] ^ y[1]; + out[2] = x[2] ^ y[2]; + out[3] = x[3] ^ y[3]; +} + +int +ipcrypt_encrypt(unsigned char out[IPCRYPT_BYTES], + const unsigned char in[IPCRYPT_BYTES], + const unsigned char key[IPCRYPT_KEYBYTES]) +{ + unsigned char state[4]; + + xor4(state, in, key); + arx_fwd(state); + xor4(state, state, key + 4); + arx_fwd(state); + xor4(state, state, key + 8); + arx_fwd(state); + xor4(out, state, key + 12); + + return 0; +} + +int +ipcrypt_decrypt(unsigned char out[IPCRYPT_BYTES], + const unsigned char in[IPCRYPT_BYTES], + const unsigned char key[IPCRYPT_KEYBYTES]) +{ + unsigned char state[4]; + + xor4(state, in, key + 12); + arx_bwd(state); + xor4(state, state, key + 8); + arx_bwd(state); + xor4(state, state, key + 4); + arx_bwd(state); + xor4(out, state, key); + + return 0; +} diff --git a/ext/ipcrypt/ipcrypt.h b/ext/ipcrypt/ipcrypt.h new file mode 100644 index 0000000..76b94f5 --- /dev/null +++ b/ext/ipcrypt/ipcrypt.h @@ -0,0 +1,24 @@ + +#ifndef ipcrypt_H +#define ipcrypt_H + +#define IPCRYPT_BYTES 4 +#define IPCRYPT_KEYBYTES 16 + +#ifdef __cplusplus +extern "C" { +#endif + +int ipcrypt_encrypt(unsigned char out[IPCRYPT_BYTES], + const unsigned char in[IPCRYPT_BYTES], + const unsigned char key[IPCRYPT_KEYBYTES]); + +int ipcrypt_decrypt(unsigned char out[IPCRYPT_BYTES], + const unsigned char in[IPCRYPT_BYTES], + const unsigned char key[IPCRYPT_KEYBYTES]); + +#ifdef __cplusplus +} /* End of the 'extern "C"' block */ +#endif + +#endif -- cgit v1.2.3