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-rw-r--r--Utilities/cmlibrhash/librhash/algorithms.c146
1 files changed, 104 insertions, 42 deletions
diff --git a/Utilities/cmlibrhash/librhash/algorithms.c b/Utilities/cmlibrhash/librhash/algorithms.c
index fc0169058a..cdd4053334 100644
--- a/Utilities/cmlibrhash/librhash/algorithms.c
+++ b/Utilities/cmlibrhash/librhash/algorithms.c
@@ -1,17 +1,17 @@
/* algorithms.c - the algorithms supported by the rhash library
*
- * Copyright: 2011-2012 Aleksey Kravchenko <rhash.admin@gmail.com>
+ * Copyright (c) 2011, 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.
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted.
*
- * 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!
+ * 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.
*/
#include <stdio.h>
@@ -27,7 +27,8 @@
#include "crc32.h"
#include "ed2k.h"
#include "edonr.h"
-#include "gost.h"
+#include "gost12.h"
+#include "gost94.h"
#include "has160.h"
#include "md4.h"
#endif
@@ -54,18 +55,13 @@
#else
# define NEED_OPENSSL_INIT 0
#endif /* USE_OPENSSL */
-#ifdef GENERATE_GOST_LOOKUP_TABLE
-# define NEED_GOST_INIT (RHASH_GOST | RHASH_GOST_CRYPTOPRO)
+#ifdef GENERATE_GOST94_LOOKUP_TABLE
+# define NEED_GOST94_INIT (RHASH_GOST94 | RHASH_GOST94_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 NEED_GOST94_INIT 0
+#endif /* GENERATE_GOST94_LOOKUP_TABLE */
-#define RHASH_NEED_INIT_ALG (NEED_CRC32_INIT | NEED_GOST_INIT | NEED_OPENSSL_INIT)
+#define RHASH_NEED_INIT_ALG (NEED_GOST94_INIT | NEED_OPENSSL_INIT)
unsigned rhash_uninitialized_algorithms = RHASH_NEED_INIT_ALG;
rhash_hash_info* rhash_info_table = rhash_hash_info_default;
@@ -75,10 +71,14 @@ 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);
+static void rhash_crc32c_init(uint32_t* crc32);
+static void rhash_crc32c_update(uint32_t* crc32, const unsigned char* msg, size_t size);
+static void rhash_crc32c_final(uint32_t* crc32, unsigned char* result);
#endif
#if 0
-rhash_info info_crc32 = { RHASH_CRC32, F_BE32, 4, "CRC32", "crc32" };
+rhash_info info_crc32 = { RHASH_CRC32, F_BE32, 4, "CRC32", "crc32" };
+rhash_info info_crc32c = { RHASH_CRC32C, F_BE32, 4, "CRC32C", "crc32c" };
rhash_info info_md4 = { RHASH_MD4, F_LE32, 16, "MD4", "md4" };
#endif
rhash_info info_md5 = { RHASH_MD5, F_LE32, 16, "MD5", "md5" };
@@ -91,8 +91,10 @@ 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_gost12_256 = { RHASH_GOST12_256, F_LE64, 32, "GOST12-256", "gost12-256" };
+rhash_info info_gost12_512 = { RHASH_GOST12_512, F_LE64, 64, "GOST12-512", "gost12-512" };
+rhash_info info_gost94 = { RHASH_GOST94, F_LE32, 32, "GOST94", "gost94" };
+rhash_info info_gost94pro = { RHASH_GOST94_CRYPTOPRO, F_LE32, 32, "GOST94-CRYPTOPRO", "gost94-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" };
@@ -117,9 +119,10 @@ rhash_info info_sha3_512 = { RHASH_SHA3_512, F_LE64, 64, "SHA3-512", "sha3-512"
#define upd(name) ((pupdate_t)(name##_update))
#define fin(name) ((pfinal_t)(name##_final))
#define iuf(name) ini(name), upd(name), fin(name)
+#define iuf2(name1, name2) ini(name1), upd(name2), fin(name2)
#define diuf(name) dgshft(name), ini(name), upd(name), fin(name)
-/* information about all hashes */
+/* information about all supported hash functions */
rhash_hash_info rhash_hash_info_default[RHASH_HASH_COUNT] =
{
#if 0
@@ -135,28 +138,35 @@ rhash_hash_info rhash_hash_info_default[RHASH_HASH_COUNT] =
{ &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_gost94, sizeof(gost94_ctx), dgshft(gost94), iuf(rhash_gost94), 0 }, /* 256 bit */
+ { &info_gost94pro, sizeof(gost94_ctx), dgshft(gost94), iuf2(rhash_gost94_cryptopro, rhash_gost94), 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_gost12_256, sizeof(gost12_ctx), dgshft2(gost12, h) + 32, iuf2(rhash_gost12_256, rhash_gost12), 0 }, /* 256 bit */
+ { &info_gost12_512, sizeof(gost12_ctx), dgshft2(gost12, h), iuf2(rhash_gost12_512, rhash_gost12), 0 }, /* 512 bit */
#endif
- { &info_sha224, sizeof(sha256_ctx), dgshft(sha256), ini(rhash_sha224), upd(rhash_sha256), fin(rhash_sha256), 0 }, /* 224 bit */
+ { &info_sha224, sizeof(sha256_ctx), dgshft(sha256), iuf2(rhash_sha224, 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_sha384, sizeof(sha512_ctx), dgshft(sha512), iuf2(rhash_sha384, rhash_sha512), 0 }, /* 384 bit */
{ &info_sha512, sizeof(sha512_ctx), dgshft(sha512), iuf(rhash_sha512), 0 }, /* 512 bit */
#if 0
- { &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_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 */
+#endif
+ { &info_sha3_224, sizeof(sha3_ctx), dgshft(sha3), iuf2(rhash_sha3_224, rhash_sha3), 0 }, /* 224 bit */
+ { &info_sha3_256, sizeof(sha3_ctx), dgshft(sha3), iuf2(rhash_sha3_256, rhash_sha3), 0 }, /* 256 bit */
+ { &info_sha3_384, sizeof(sha3_ctx), dgshft(sha3), iuf2(rhash_sha3_384, rhash_sha3), 0 }, /* 384 bit */
+ { &info_sha3_512, sizeof(sha3_ctx), dgshft(sha3), iuf2(rhash_sha3_512, rhash_sha3), 0 }, /* 512 bit */
+#if 0
+ { &info_crc32c, sizeof(uint32_t), 0, iuf(rhash_crc32c), 0 }, /* 32 bit */
+ { &info_snf128, sizeof(snefru_ctx), dgshft(snefru), iuf2(rhash_snefru128, rhash_snefru), 0 }, /* 128 bit */
+ { &info_snf256, sizeof(snefru_ctx), dgshft(snefru), iuf2(rhash_snefru256, rhash_snefru), 0 }, /* 256 bit */
#endif
- { &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.
+ *
+ * @param mask ids of hash sums to initialize
*/
void rhash_init_algorithms(unsigned mask)
{
@@ -165,15 +175,26 @@ void rhash_init_algorithms(unsigned mask)
/* 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();
+#ifdef GENERATE_GOST94_LOOKUP_TABLE
+ rhash_gost94_init_table();
#endif
rhash_uninitialized_algorithms = 0;
}
+/**
+ * Returns information about a hash function by its hash_id.
+ *
+ * @param hash_id the id of hash algorithm
+ * @return pointer to the rhash_info structure containing the information
+ */
+const rhash_info* rhash_info_by_id(unsigned hash_id)
+{
+ hash_id &= RHASH_ALL_HASHES;
+ /* check that one and only one bit is set */
+ if (!hash_id || (hash_id & (hash_id - 1)) != 0) return NULL;
+ return rhash_info_table[rhash_ctz(hash_id)].info;
+}
+
#if 0
/* CRC32 helper functions */
@@ -217,4 +238,45 @@ static void rhash_crc32_final(uint32_t* crc32, unsigned char* result)
result[2] = (unsigned char)(*crc32 >> 8), result[3] = (unsigned char)(*crc32);
#endif
}
+
+/**
+ * Initialize crc32c hash.
+ *
+ * @param crc32c pointer to the hash to initialize
+ */
+static void rhash_crc32c_init(uint32_t* crc32c)
+{
+ *crc32c = 0; /* note: context size is sizeof(uint32_t) */
+}
+
+/**
+ * Calculate message CRC32C hash.
+ * Can be called repeatedly with chunks of the message to be hashed.
+ *
+ * @param crc32c pointer to the hash
+ * @param msg message chunk
+ * @param size length of the message chunk
+ */
+static void rhash_crc32c_update(uint32_t* crc32c, const unsigned char* msg, size_t size)
+{
+ *crc32c = rhash_get_crc32c(*crc32c, msg, size);
+}
+
+/**
+ * Store calculated hash into the given array.
+ *
+ * @param crc32c pointer to the current hash value
+ * @param result calculated hash in binary form
+ */
+static void rhash_crc32c_final(uint32_t* crc32c, unsigned char* result)
+{
+#if defined(CPU_IA32) || defined(CPU_X64)
+ /* intel CPUs support assigment with non 32-bit aligned pointers */
+ *(unsigned*)result = be2me_32(*crc32c);
+#else
+ /* correct saving BigEndian integer on all archs */
+ result[0] = (unsigned char)(*crc32c >> 24), result[1] = (unsigned char)(*crc32c >> 16);
+ result[2] = (unsigned char)(*crc32c >> 8), result[3] = (unsigned char)(*crc32c);
+#endif
+}
#endif