diff options
Diffstat (limited to 'Utilities/cmlibrhash/librhash/algorithms.c')
| -rw-r--r-- | Utilities/cmlibrhash/librhash/algorithms.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/Utilities/cmlibrhash/librhash/algorithms.c b/Utilities/cmlibrhash/librhash/algorithms.c new file mode 100644 index 0000000000..1f343a167a --- /dev/null +++ b/Utilities/cmlibrhash/librhash/algorithms.c @@ -0,0 +1,200 @@ +/* algorithms.c - the algorithms supported by the rhash library + * + * Copyright: 2011-2012 Aleksey Kravchenko <rhash.admin@gmail.com> + * + * 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. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. Use this program at your own risk! + */ + +#include <stdio.h> +#include <assert.h> + +#include "byte_order.h" +#include "rhash.h" +#include "algorithms.h" + +/* header files of all supported hash sums */ +#include "aich.h" +#include "crc32.h" +#include "ed2k.h" +#include "edonr.h" +#include "gost.h" +#include "has160.h" +#include "md4.h" +#include "md5.h" +#include "ripemd-160.h" +#include "snefru.h" +#include "sha1.h" +#include "sha256.h" +#include "sha512.h" +#include "sha3.h" +#include "tiger.h" +#include "torrent.h" +#include "tth.h" +#include "whirlpool.h" + +#ifdef USE_OPENSSL +/* note: BTIH and AICH depends on the used SHA1 algorithm */ +# define NEED_OPENSSL_INIT (RHASH_MD4 | RHASH_MD5 | \ + RHASH_SHA1 | RHASH_SHA224 | RHASH_SHA256 | RHASH_SHA384 | RHASH_SHA512 | \ + RHASH_BTIH | RHASH_AICH | RHASH_RIPEMD160 | RHASH_WHIRLPOOL) +#else +# define NEED_OPENSSL_INIT 0 +#endif /* USE_OPENSSL */ +#ifdef GENERATE_GOST_LOOKUP_TABLE +# define NEED_GOST_INIT (RHASH_GOST | RHASH_GOST_CRYPTOPRO) +#else +# define NEED_GOST_INIT 0 +#endif /* GENERATE_GOST_LOOKUP_TABLE */ +#ifdef GENERATE_CRC32_TABLE +# define NEED_CRC32_INIT RHASH_CRC32 +#else +# define NEED_CRC32_INIT 0 +#endif /* GENERATE_CRC32_TABLE */ + +#define RHASH_NEED_INIT_ALG (NEED_CRC32_INIT | NEED_GOST_INIT | NEED_OPENSSL_INIT) +unsigned rhash_uninitialized_algorithms = RHASH_NEED_INIT_ALG; + +rhash_hash_info* rhash_info_table = rhash_hash_info_default; +int rhash_info_size = RHASH_HASH_COUNT; + +static void rhash_crc32_init(uint32_t* crc32); +static void rhash_crc32_update(uint32_t* crc32, const unsigned char* msg, size_t size); +static void rhash_crc32_final(uint32_t* crc32, unsigned char* result); + +rhash_info info_crc32 = { RHASH_CRC32, F_BE32, 4, "CRC32", "crc32" }; +rhash_info info_md4 = { RHASH_MD4, F_LE32, 16, "MD4", "md4" }; +rhash_info info_md5 = { RHASH_MD5, F_LE32, 16, "MD5", "md5" }; +rhash_info info_sha1 = { RHASH_SHA1, F_BE32, 20, "SHA1", "sha1" }; +rhash_info info_tiger = { RHASH_TIGER, F_LE64, 24, "TIGER", "tiger" }; +rhash_info info_tth = { RHASH_TTH, F_BS32, 24, "TTH", "tree:tiger" }; +rhash_info info_btih = { RHASH_BTIH, 0, 20, "BTIH", "btih" }; +rhash_info info_ed2k = { RHASH_ED2K, F_LE32, 16, "ED2K", "ed2k" }; +rhash_info info_aich = { RHASH_AICH, F_BS32, 20, "AICH", "aich" }; +rhash_info info_whirlpool = { RHASH_WHIRLPOOL, F_BE64, 64, "WHIRLPOOL", "whirlpool" }; +rhash_info info_rmd160 = { RHASH_RIPEMD160, F_LE32, 20, "RIPEMD-160", "ripemd160" }; +rhash_info info_gost = { RHASH_GOST, F_LE32, 32, "GOST", "gost" }; +rhash_info info_gostpro = { RHASH_GOST_CRYPTOPRO, F_LE32, 32, "GOST-CRYPTOPRO", "gost-cryptopro" }; +rhash_info info_has160 = { RHASH_HAS160, F_LE32, 20, "HAS-160", "has160" }; +rhash_info info_snf128 = { RHASH_SNEFRU128, F_BE32, 16, "SNEFRU-128", "snefru128" }; +rhash_info info_snf256 = { RHASH_SNEFRU256, F_BE32, 32, "SNEFRU-256", "snefru256" }; +rhash_info info_sha224 = { RHASH_SHA224, F_BE32, 28, "SHA-224", "sha224" }; +rhash_info info_sha256 = { RHASH_SHA256, F_BE32, 32, "SHA-256", "sha256" }; +rhash_info info_sha384 = { RHASH_SHA384, F_BE64, 48, "SHA-384", "sha384" }; +rhash_info info_sha512 = { RHASH_SHA512, F_BE64, 64, "SHA-512", "sha512" }; +rhash_info info_edr256 = { RHASH_EDONR256, F_LE32, 32, "EDON-R256", "edon-r256" }; +rhash_info info_edr512 = { RHASH_EDONR512, F_LE64, 64, "EDON-R512", "edon-r512" }; +rhash_info info_sha3_224 = { RHASH_SHA3_224, F_LE64, 28, "SHA3-224", "sha3-224" }; +rhash_info info_sha3_256 = { RHASH_SHA3_256, F_LE64, 32, "SHA3-256", "sha3-256" }; +rhash_info info_sha3_384 = { RHASH_SHA3_384, F_LE64, 48, "SHA3-384", "sha3-384" }; +rhash_info info_sha3_512 = { RHASH_SHA3_512, F_LE64, 64, "SHA3-512", "sha3-512" }; + +/* some helper macros */ +#define dgshft(name) (((char*)&((name##_ctx*)0)->hash) - (char*)0) +#define dgshft2(name, field) (((char*)&((name##_ctx*)0)->field) - (char*)0) +#define ini(name) ((pinit_t)(name##_init)) +#define upd(name) ((pupdate_t)(name##_update)) +#define fin(name) ((pfinal_t)(name##_final)) +#define iuf(name) ini(name), upd(name), fin(name) +#define diuf(name) dgshft(name), ini(name), upd(name), fin(name) + +/* information about all hashes */ +rhash_hash_info rhash_hash_info_default[RHASH_HASH_COUNT] = +{ + { &info_crc32, sizeof(uint32_t), 0, iuf(rhash_crc32), 0 }, /* 32 bit */ + { &info_md4, sizeof(md4_ctx), dgshft(md4), iuf(rhash_md4), 0 }, /* 128 bit */ + { &info_md5, sizeof(md5_ctx), dgshft(md5), iuf(rhash_md5), 0 }, /* 128 bit */ + { &info_sha1, sizeof(sha1_ctx), dgshft(sha1), iuf(rhash_sha1), 0 }, /* 160 bit */ + { &info_tiger, sizeof(tiger_ctx), dgshft(tiger), iuf(rhash_tiger), 0 }, /* 192 bit */ + { &info_tth, sizeof(tth_ctx), dgshft2(tth, tiger.hash), iuf(rhash_tth), 0 }, /* 192 bit */ + { &info_btih, sizeof(torrent_ctx), dgshft2(torrent, btih), iuf(bt), (pcleanup_t)bt_cleanup }, /* 160 bit */ + { &info_ed2k, sizeof(ed2k_ctx), dgshft2(ed2k, md4_context_inner.hash), iuf(rhash_ed2k), 0 }, /* 128 bit */ + { &info_aich, sizeof(aich_ctx), dgshft2(aich, sha1_context.hash), iuf(rhash_aich), (pcleanup_t)rhash_aich_cleanup }, /* 160 bit */ + { &info_whirlpool, sizeof(whirlpool_ctx), dgshft(whirlpool), iuf(rhash_whirlpool), 0 }, /* 512 bit */ + { &info_rmd160, sizeof(ripemd160_ctx), dgshft(ripemd160), iuf(rhash_ripemd160), 0 }, /* 160 bit */ + { &info_gost, sizeof(gost_ctx), dgshft(gost), iuf(rhash_gost), 0 }, /* 256 bit */ + { &info_gostpro, sizeof(gost_ctx), dgshft(gost), ini(rhash_gost_cryptopro), upd(rhash_gost), fin(rhash_gost), 0 }, /* 256 bit */ + { &info_has160, sizeof(has160_ctx), dgshft(has160), iuf(rhash_has160), 0 }, /* 160 bit */ + { &info_snf128, sizeof(snefru_ctx), dgshft(snefru), ini(rhash_snefru128), upd(rhash_snefru), fin(rhash_snefru), 0 }, /* 128 bit */ + { &info_snf256, sizeof(snefru_ctx), dgshft(snefru), ini(rhash_snefru256), upd(rhash_snefru), fin(rhash_snefru), 0 }, /* 256 bit */ + { &info_sha224, sizeof(sha256_ctx), dgshft(sha256), ini(rhash_sha224), upd(rhash_sha256), fin(rhash_sha256), 0 }, /* 224 bit */ + { &info_sha256, sizeof(sha256_ctx), dgshft(sha256), iuf(rhash_sha256), 0 }, /* 256 bit */ + { &info_sha384, sizeof(sha512_ctx), dgshft(sha512), ini(rhash_sha384), upd(rhash_sha512), fin(rhash_sha512), 0 }, /* 384 bit */ + { &info_sha512, sizeof(sha512_ctx), dgshft(sha512), iuf(rhash_sha512), 0 }, /* 512 bit */ + { &info_edr256, sizeof(edonr_ctx), dgshft2(edonr, u.data256.hash) + 32, iuf(rhash_edonr256), 0 }, /* 256 bit */ + { &info_edr512, sizeof(edonr_ctx), dgshft2(edonr, u.data512.hash) + 64, iuf(rhash_edonr512), 0 }, /* 512 bit */ + { &info_sha3_224, sizeof(sha3_ctx), dgshft(sha3), ini(rhash_sha3_224), upd(rhash_sha3), fin(rhash_sha3), 0 }, /* 224 bit */ + { &info_sha3_256, sizeof(sha3_ctx), dgshft(sha3), ini(rhash_sha3_256), upd(rhash_sha3), fin(rhash_sha3), 0 }, /* 256 bit */ + { &info_sha3_384, sizeof(sha3_ctx), dgshft(sha3), ini(rhash_sha3_384), upd(rhash_sha3), fin(rhash_sha3), 0 }, /* 384 bit */ + { &info_sha3_512, sizeof(sha3_ctx), dgshft(sha3), ini(rhash_sha3_512), upd(rhash_sha3), fin(rhash_sha3), 0 }, /* 512 bit */ +}; + +/** + * Initialize requested algorithms. + */ +void rhash_init_algorithms(unsigned mask) +{ + (void)mask; /* unused now */ + + /* verify that RHASH_HASH_COUNT is the index of the major bit of RHASH_ALL_HASHES */ + assert(1 == (RHASH_ALL_HASHES >> (RHASH_HASH_COUNT - 1))); + +#ifdef GENERATE_CRC32_TABLE + rhash_crc32_init_table(); +#endif +#ifdef GENERATE_GOST_LOOKUP_TABLE + rhash_gost_init_table(); +#endif + rhash_uninitialized_algorithms = 0; +} + +/* CRC32 helper functions */ + +/** + * Initialize crc32 hash. + * + * @param crc32 pointer to the hash to initialize + */ +static void rhash_crc32_init(uint32_t* crc32) +{ + *crc32 = 0; /* note: context size is sizeof(uint32_t) */ +} + +/** + * Calculate message CRC32 hash. + * Can be called repeatedly with chunks of the message to be hashed. + * + * @param crc32 pointer to the hash + * @param msg message chunk + * @param size length of the message chunk + */ +static void rhash_crc32_update(uint32_t* crc32, const unsigned char* msg, size_t size) +{ + *crc32 = rhash_get_crc32(*crc32, msg, size); +} + +/** + * Store calculated hash into the given array. + * + * @param crc32 pointer to the current hash value + * @param result calculated hash in binary form + */ +static void rhash_crc32_final(uint32_t* crc32, unsigned char* result) +{ +#if defined(CPU_IA32) || defined(CPU_X64) + /* intel CPUs support assigment with non 32-bit aligned pointers */ + *(unsigned*)result = be2me_32(*crc32); +#else + /* correct saving BigEndian integer on all archs */ + result[0] = (unsigned char)(*crc32 >> 24), result[1] = (unsigned char)(*crc32 >> 16); + result[2] = (unsigned char)(*crc32 >> 8), result[3] = (unsigned char)(*crc32); +#endif +} |