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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
commit | 46651ce6fe013220ed397add242004d764fc0153 (patch) | |
tree | 6e5299f990f88e60174a1d3ae6e48eedd2688b2b /contrib/pgcrypto/px.h | |
parent | Initial commit. (diff) | |
download | postgresql-14-46651ce6fe013220ed397add242004d764fc0153.tar.xz postgresql-14-46651ce6fe013220ed397add242004d764fc0153.zip |
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/pgcrypto/px.h')
-rw-r--r-- | contrib/pgcrypto/px.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/contrib/pgcrypto/px.h b/contrib/pgcrypto/px.h new file mode 100644 index 0000000..17d6f22 --- /dev/null +++ b/contrib/pgcrypto/px.h @@ -0,0 +1,227 @@ +/* + * 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 <sys/param.h> + +/* keep debug messages? */ +#define PX_DEBUG + +/* 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_ENCRYPT_FAILED -19 + +#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 */ |