diff options
Diffstat (limited to 'libtomcrypt/src/hashes/sha2')
| -rw-r--r-- | libtomcrypt/src/hashes/sha2/sha224.c | 24 | ||||
| -rw-r--r-- | libtomcrypt/src/hashes/sha2/sha256.c | 48 | ||||
| -rw-r--r-- | libtomcrypt/src/hashes/sha2/sha384.c | 27 | ||||
| -rw-r--r-- | libtomcrypt/src/hashes/sha2/sha512.c | 88 | ||||
| -rw-r--r-- | libtomcrypt/src/hashes/sha2/sha512_224.c | 130 | ||||
| -rw-r--r-- | libtomcrypt/src/hashes/sha2/sha512_256.c | 130 |
6 files changed, 349 insertions, 98 deletions
diff --git a/libtomcrypt/src/hashes/sha2/sha224.c b/libtomcrypt/src/hashes/sha2/sha224.c index 5d7dfb2..773a2c5 100644 --- a/libtomcrypt/src/hashes/sha2/sha224.c +++ b/libtomcrypt/src/hashes/sha2/sha224.c @@ -5,14 +5,16 @@ * * The library is free for all purposes without any express * guarantee it works. - * - * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ /** @param sha224.c LTC_SHA-224 new NIST standard based off of LTC_SHA-256 truncated to 224 bits (Tom St Denis) */ +#include "tomcrypt.h" + +#if defined(LTC_SHA224) && defined(LTC_SHA256) + const struct ltc_hash_descriptor sha224_desc = { "sha224", @@ -72,21 +74,21 @@ int sha224_done(hash_state * md, unsigned char *out) XMEMCPY(out, buf, 28); #ifdef LTC_CLEAN_STACK zeromem(buf, sizeof(buf)); -#endif +#endif return err; } /** Self-test the hash @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled -*/ +*/ int sha224_test(void) { #ifndef LTC_TEST return CRYPT_NOP; - #else + #else static const struct { - char *msg; + const char *msg; unsigned char hash[28]; } tests[] = { { "abc", @@ -111,7 +113,7 @@ int sha224_test(void) sha224_init(&md); sha224_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg)); sha224_done(&md, tmp); - if (XMEMCMP(tmp, tests[i].hash, 28) != 0) { + if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "SHA224", i)) { return CRYPT_FAIL_TESTVECTOR; } } @@ -119,7 +121,9 @@ int sha224_test(void) #endif } +#endif /* defined(LTC_SHA224) && defined(LTC_SHA256) */ + -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ diff --git a/libtomcrypt/src/hashes/sha2/sha256.c b/libtomcrypt/src/hashes/sha2/sha256.c index ad1386a..f1dc423 100644 --- a/libtomcrypt/src/hashes/sha2/sha256.c +++ b/libtomcrypt/src/hashes/sha2/sha256.c @@ -5,17 +5,15 @@ * * The library is free for all purposes without any express * guarantee it works. - * - * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" /** @file sha256.c - LTC_SHA256 by Tom St Denis + LTC_SHA256 by Tom St Denis */ -#ifdef LTC_SHA256 +#ifdef LTC_SHA256 const struct ltc_hash_descriptor sha256_desc = { @@ -27,7 +25,7 @@ const struct ltc_hash_descriptor sha256_desc = /* OID */ { 2, 16, 840, 1, 101, 3, 4, 2, 1, }, 9, - + &sha256_init, &sha256_process, &sha256_done, @@ -56,7 +54,7 @@ static const ulong32 K[64] = { /* Various logical functions */ #define Ch(x,y,z) (z ^ (x & (y ^ z))) -#define Maj(x,y,z) (((x | y) & z) | (x & y)) +#define Maj(x,y,z) (((x | y) & z) | (x & y)) #define S(x, n) RORc((x),(n)) #define R(x, n) (((x)&0xFFFFFFFFUL)>>(n)) #define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22)) @@ -90,10 +88,10 @@ static int sha256_compress(hash_state * md, unsigned char *buf) /* fill W[16..63] */ for (i = 16; i < 64; i++) { W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16]; - } + } /* Compress */ -#ifdef LTC_SMALL_CODE +#ifdef LTC_SMALL_CODE #define RND(a,b,c,d,e,f,g,h,i) \ t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \ t1 = Sigma0(a) + Maj(a, b, c); \ @@ -102,10 +100,10 @@ static int sha256_compress(hash_state * md, unsigned char *buf) for (i = 0; i < 64; ++i) { RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i); - t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4]; + t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4]; S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t; - } -#else + } +#else #define RND(a,b,c,d,e,f,g,h,i,ki) \ t0 = h + Sigma1(e) + Ch(e, f, g) + ki + W[i]; \ t1 = Sigma0(a) + Maj(a, b, c); \ @@ -177,9 +175,9 @@ static int sha256_compress(hash_state * md, unsigned char *buf) RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,0xbef9a3f7); RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,0xc67178f2); -#undef RND - -#endif +#undef RND + +#endif /* feedback */ for (i = 0; i < 8; i++) { @@ -287,14 +285,14 @@ int sha256_done(hash_state * md, unsigned char *out) /** Self-test the hash @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled -*/ +*/ int sha256_test(void) { #ifndef LTC_TEST return CRYPT_NOP; - #else + #else static const struct { - char *msg; + const char *msg; unsigned char hash[32]; } tests[] = { { "abc", @@ -304,9 +302,9 @@ int sha256_test(void) 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad } }, { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", - { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, + { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39, - 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, + 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 } }, }; @@ -319,7 +317,7 @@ int sha256_test(void) sha256_init(&md); sha256_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg)); sha256_done(&md, tmp); - if (XMEMCMP(tmp, tests[i].hash, 32) != 0) { + if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "SHA256", i)) { return CRYPT_FAIL_TESTVECTOR; } } @@ -327,14 +325,10 @@ int sha256_test(void) #endif } -#ifdef LTC_SHA224 -#include "sha224.c" -#endif - #endif -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ diff --git a/libtomcrypt/src/hashes/sha2/sha384.c b/libtomcrypt/src/hashes/sha2/sha384.c index cf4d7dc..1623812 100644 --- a/libtomcrypt/src/hashes/sha2/sha384.c +++ b/libtomcrypt/src/hashes/sha2/sha384.c @@ -5,14 +5,16 @@ * * The library is free for all purposes without any express * guarantee it works. - * - * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ -/** +/** @param sha384.c LTC_SHA384 hash included in sha512.c, Tom St Denis */ +#include "tomcrypt.h" + +#if defined(LTC_SHA384) && defined(LTC_SHA512) + const struct ltc_hash_descriptor sha384_desc = { "sha384", @@ -81,14 +83,14 @@ int sha384_done(hash_state * md, unsigned char *out) /** Self-test the hash @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled -*/ +*/ int sha384_test(void) { #ifndef LTC_TEST return CRYPT_NOP; - #else + #else static const struct { - char *msg; + const char *msg; unsigned char hash[48]; } tests[] = { { "abc", @@ -117,7 +119,7 @@ int sha384_test(void) sha384_init(&md); sha384_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg)); sha384_done(&md, tmp); - if (XMEMCMP(tmp, tests[i].hash, 48) != 0) { + if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "SHA384", i)) { return CRYPT_FAIL_TESTVECTOR; } } @@ -125,11 +127,8 @@ int sha384_test(void) #endif } +#endif /* defined(LTC_SHA384) && defined(LTC_SHA512) */ - - - - -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ diff --git a/libtomcrypt/src/hashes/sha2/sha512.c b/libtomcrypt/src/hashes/sha2/sha512.c index 4b7e761..110203a 100644 --- a/libtomcrypt/src/hashes/sha2/sha512.c +++ b/libtomcrypt/src/hashes/sha2/sha512.c @@ -5,14 +5,12 @@ * * The library is free for all purposes without any express * guarantee it works. - * - * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" /** @param sha512.c - LTC_SHA512 by Tom St Denis + LTC_SHA512 by Tom St Denis */ #ifdef LTC_SHA512 @@ -37,51 +35,51 @@ const struct ltc_hash_descriptor sha512_desc = /* the K array */ static const ulong64 K[80] = { -CONST64(0x428a2f98d728ae22), CONST64(0x7137449123ef65cd), +CONST64(0x428a2f98d728ae22), CONST64(0x7137449123ef65cd), CONST64(0xb5c0fbcfec4d3b2f), CONST64(0xe9b5dba58189dbbc), -CONST64(0x3956c25bf348b538), CONST64(0x59f111f1b605d019), +CONST64(0x3956c25bf348b538), CONST64(0x59f111f1b605d019), CONST64(0x923f82a4af194f9b), CONST64(0xab1c5ed5da6d8118), -CONST64(0xd807aa98a3030242), CONST64(0x12835b0145706fbe), +CONST64(0xd807aa98a3030242), CONST64(0x12835b0145706fbe), CONST64(0x243185be4ee4b28c), CONST64(0x550c7dc3d5ffb4e2), -CONST64(0x72be5d74f27b896f), CONST64(0x80deb1fe3b1696b1), +CONST64(0x72be5d74f27b896f), CONST64(0x80deb1fe3b1696b1), CONST64(0x9bdc06a725c71235), CONST64(0xc19bf174cf692694), -CONST64(0xe49b69c19ef14ad2), CONST64(0xefbe4786384f25e3), +CONST64(0xe49b69c19ef14ad2), CONST64(0xefbe4786384f25e3), CONST64(0x0fc19dc68b8cd5b5), CONST64(0x240ca1cc77ac9c65), -CONST64(0x2de92c6f592b0275), CONST64(0x4a7484aa6ea6e483), +CONST64(0x2de92c6f592b0275), CONST64(0x4a7484aa6ea6e483), CONST64(0x5cb0a9dcbd41fbd4), CONST64(0x76f988da831153b5), -CONST64(0x983e5152ee66dfab), CONST64(0xa831c66d2db43210), +CONST64(0x983e5152ee66dfab), CONST64(0xa831c66d2db43210), CONST64(0xb00327c898fb213f), CONST64(0xbf597fc7beef0ee4), -CONST64(0xc6e00bf33da88fc2), CONST64(0xd5a79147930aa725), +CONST64(0xc6e00bf33da88fc2), CONST64(0xd5a79147930aa725), CONST64(0x06ca6351e003826f), CONST64(0x142929670a0e6e70), -CONST64(0x27b70a8546d22ffc), CONST64(0x2e1b21385c26c926), +CONST64(0x27b70a8546d22ffc), CONST64(0x2e1b21385c26c926), CONST64(0x4d2c6dfc5ac42aed), CONST64(0x53380d139d95b3df), -CONST64(0x650a73548baf63de), CONST64(0x766a0abb3c77b2a8), +CONST64(0x650a73548baf63de), CONST64(0x766a0abb3c77b2a8), CONST64(0x81c2c92e47edaee6), CONST64(0x92722c851482353b), CONST64(0xa2bfe8a14cf10364), CONST64(0xa81a664bbc423001), CONST64(0xc24b8b70d0f89791), CONST64(0xc76c51a30654be30), -CONST64(0xd192e819d6ef5218), CONST64(0xd69906245565a910), +CONST64(0xd192e819d6ef5218), CONST64(0xd69906245565a910), CONST64(0xf40e35855771202a), CONST64(0x106aa07032bbd1b8), -CONST64(0x19a4c116b8d2d0c8), CONST64(0x1e376c085141ab53), +CONST64(0x19a4c116b8d2d0c8), CONST64(0x1e376c085141ab53), CONST64(0x2748774cdf8eeb99), CONST64(0x34b0bcb5e19b48a8), -CONST64(0x391c0cb3c5c95a63), CONST64(0x4ed8aa4ae3418acb), +CONST64(0x391c0cb3c5c95a63), CONST64(0x4ed8aa4ae3418acb), CONST64(0x5b9cca4f7763e373), CONST64(0x682e6ff3d6b2b8a3), -CONST64(0x748f82ee5defb2fc), CONST64(0x78a5636f43172f60), +CONST64(0x748f82ee5defb2fc), CONST64(0x78a5636f43172f60), CONST64(0x84c87814a1f0ab72), CONST64(0x8cc702081a6439ec), -CONST64(0x90befffa23631e28), CONST64(0xa4506cebde82bde9), +CONST64(0x90befffa23631e28), CONST64(0xa4506cebde82bde9), CONST64(0xbef9a3f7b2c67915), CONST64(0xc67178f2e372532b), -CONST64(0xca273eceea26619c), CONST64(0xd186b8c721c0c207), +CONST64(0xca273eceea26619c), CONST64(0xd186b8c721c0c207), CONST64(0xeada7dd6cde0eb1e), CONST64(0xf57d4f7fee6ed178), -CONST64(0x06f067aa72176fba), CONST64(0x0a637dc5a2c898a6), +CONST64(0x06f067aa72176fba), CONST64(0x0a637dc5a2c898a6), CONST64(0x113f9804bef90dae), CONST64(0x1b710b35131c471b), -CONST64(0x28db77f523047d84), CONST64(0x32caab7b40c72493), +CONST64(0x28db77f523047d84), CONST64(0x32caab7b40c72493), CONST64(0x3c9ebe0a15c9bebc), CONST64(0x431d67c49c100d4c), -CONST64(0x4cc5d4becb3e42b6), CONST64(0x597f299cfc657e2a), +CONST64(0x4cc5d4becb3e42b6), CONST64(0x597f299cfc657e2a), CONST64(0x5fcb6fab3ad6faec), CONST64(0x6c44198c4a475817) }; /* Various logical functions */ #define Ch(x,y,z) (z ^ (x & (y ^ z))) -#define Maj(x,y,z) (((x | y) & z) | (x & y)) +#define Maj(x,y,z) (((x | y) & z) | (x & y)) #define S(x, n) ROR64c(x, n) #define R(x, n) (((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)n)) #define Sigma0(x) (S(x, 28) ^ S(x, 34) ^ S(x, 39)) @@ -112,7 +110,7 @@ static int sha512_compress(hash_state * md, unsigned char *buf) /* fill W[16..79] */ for (i = 16; i < 80; i++) { W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16]; - } + } /* Compress */ #ifdef LTC_SMALL_CODE @@ -135,17 +133,17 @@ static int sha512_compress(hash_state * md, unsigned char *buf) d += t0; \ h = t0 + t1; - for (i = 0; i < 80; i += 8) { - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i+0); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],i+1); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],i+2); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],i+3); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],i+4); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],i+5); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],i+6); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],i+7); - } -#endif + for (i = 0; i < 80; i += 8) { + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i+0); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],i+1); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],i+2); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],i+3); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],i+4); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],i+5); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],i+6); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],i+7); + } +#endif /* feedback */ @@ -232,7 +230,7 @@ int sha512_done(hash_state * md, unsigned char *out) md->sha512.curlen = 0; } - /* pad upto 120 bytes of zeroes + /* pad upto 120 bytes of zeroes * note: that from 112 to 120 is the 64 MSB of the length. We assume that you won't hash * > 2^64 bits of data... :-) */ @@ -257,14 +255,14 @@ int sha512_done(hash_state * md, unsigned char *out) /** Self-test the hash @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled -*/ +*/ int sha512_test(void) { #ifndef LTC_TEST return CRYPT_NOP; - #else + #else static const struct { - char *msg; + const char *msg; unsigned char hash[64]; } tests[] = { { "abc", @@ -297,7 +295,7 @@ int sha512_test(void) sha512_init(&md); sha512_process(&md, (unsigned char *)tests[i].msg, (unsigned long)strlen(tests[i].msg)); sha512_done(&md, tmp); - if (XMEMCMP(tmp, tests[i].hash, 64) != 0) { + if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "SHA512", i)) { return CRYPT_FAIL_TESTVECTOR; } } @@ -305,15 +303,11 @@ int sha512_test(void) #endif } -#ifdef LTC_SHA384 - #include "sha384.c" -#endif - #endif -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ diff --git a/libtomcrypt/src/hashes/sha2/sha512_224.c b/libtomcrypt/src/hashes/sha2/sha512_224.c new file mode 100644 index 0000000..48bb938 --- /dev/null +++ b/libtomcrypt/src/hashes/sha2/sha512_224.c @@ -0,0 +1,130 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + */ +/** + @param sha512_224.c + SHA512/224 hash included in sha512.c +*/ + +#include "tomcrypt.h" + +#if defined(LTC_SHA512_224) && defined(LTC_SHA512) + +const struct ltc_hash_descriptor sha512_224_desc = +{ + "sha512-224", + 15, + 28, + 128, + + /* OID */ + { 2, 16, 840, 1, 101, 3, 4, 2, 5, }, + 9, + + &sha512_224_init, + &sha512_process, + &sha512_224_done, + &sha512_224_test, + NULL +}; + +/** + Initialize the hash state + @param md The hash state you wish to initialize + @return CRYPT_OK if successful +*/ +int sha512_224_init(hash_state * md) +{ + LTC_ARGCHK(md != NULL); + + md->sha512.curlen = 0; + md->sha512.length = 0; + md->sha512.state[0] = CONST64(0x8C3D37C819544DA2); + md->sha512.state[1] = CONST64(0x73E1996689DCD4D6); + md->sha512.state[2] = CONST64(0x1DFAB7AE32FF9C82); + md->sha512.state[3] = CONST64(0x679DD514582F9FCF); + md->sha512.state[4] = CONST64(0x0F6D2B697BD44DA8); + md->sha512.state[5] = CONST64(0x77E36F7304C48942); + md->sha512.state[6] = CONST64(0x3F9D85A86A1D36C8); + md->sha512.state[7] = CONST64(0x1112E6AD91D692A1); + return CRYPT_OK; +} + +/** + Terminate the hash to get the digest + @param md The hash state + @param out [out] The destination of the hash (48 bytes) + @return CRYPT_OK if successful +*/ +int sha512_224_done(hash_state * md, unsigned char *out) +{ + unsigned char buf[64]; + + LTC_ARGCHK(md != NULL); + LTC_ARGCHK(out != NULL); + + if (md->sha512.curlen >= sizeof(md->sha512.buf)) { + return CRYPT_INVALID_ARG; + } + + sha512_done(md, buf); + XMEMCPY(out, buf, 28); +#ifdef LTC_CLEAN_STACK + zeromem(buf, sizeof(buf)); +#endif + return CRYPT_OK; +} + +/** + Self-test the hash + @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled +*/ +int sha512_224_test(void) +{ + #ifndef LTC_TEST + return CRYPT_NOP; + #else + static const struct { + const char *msg; + unsigned char hash[28]; + } tests[] = { + { "abc", + { 0x46, 0x34, 0x27, 0x0F, 0x70, 0x7B, 0x6A, 0x54, + 0xDA, 0xAE, 0x75, 0x30, 0x46, 0x08, 0x42, 0xE2, + 0x0E, 0x37, 0xED, 0x26, 0x5C, 0xEE, 0xE9, 0xA4, + 0x3E, 0x89, 0x24, 0xAA } + }, + { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", + { 0x23, 0xFE, 0xC5, 0xBB, 0x94, 0xD6, 0x0B, 0x23, + 0x30, 0x81, 0x92, 0x64, 0x0B, 0x0C, 0x45, 0x33, + 0x35, 0xD6, 0x64, 0x73, 0x4F, 0xE4, 0x0E, 0x72, + 0x68, 0x67, 0x4A, 0xF9 } + }, + }; + + int i; + unsigned char tmp[28]; + hash_state md; + + for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) { + sha512_224_init(&md); + sha512_224_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg)); + sha512_224_done(&md, tmp); + if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "SHA512-224", i)) { + return CRYPT_FAIL_TESTVECTOR; + } + } + return CRYPT_OK; + #endif +} + +#endif /* defined(LTC_SHA384) && defined(LTC_SHA512) */ + +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ diff --git a/libtomcrypt/src/hashes/sha2/sha512_256.c b/libtomcrypt/src/hashes/sha2/sha512_256.c new file mode 100644 index 0000000..943adaa --- /dev/null +++ b/libtomcrypt/src/hashes/sha2/sha512_256.c @@ -0,0 +1,130 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + */ +/** + @param sha512_256.c + SHA512/256 hash included in sha512.c +*/ + +#include "tomcrypt.h" + +#if defined(LTC_SHA512_256) && defined(LTC_SHA512) + +const struct ltc_hash_descriptor sha512_256_desc = +{ + "sha512-256", + 16, + 32, + 128, + + /* OID */ + { 2, 16, 840, 1, 101, 3, 4, 2, 6, }, + 9, + + &sha512_256_init, + &sha512_process, + &sha512_256_done, + &sha512_256_test, + NULL +}; + +/** + Initialize the hash state + @param md The hash state you wish to initialize + @return CRYPT_OK if successful +*/ +int sha512_256_init(hash_state * md) +{ + LTC_ARGCHK(md != NULL); + + md->sha512.curlen = 0; + md->sha512.length = 0; + md->sha512.state[0] = CONST64(0x22312194FC2BF72C); + md->sha512.state[1] = CONST64(0x9F555FA3C84C64C2); + md->sha512.state[2] = CONST64(0x2393B86B6F53B151); + md->sha512.state[3] = CONST64(0x963877195940EABD); + md->sha512.state[4] = CONST64(0x96283EE2A88EFFE3); + md->sha512.state[5] = CONST64(0xBE5E1E2553863992); + md->sha512.state[6] = CONST64(0x2B0199FC2C85B8AA); + md->sha512.state[7] = CONST64(0x0EB72DDC81C52CA2); + return CRYPT_OK; +} + +/** + Terminate the hash to get the digest + @param md The hash state + @param out [out] The destination of the hash (48 bytes) + @return CRYPT_OK if successful +*/ +int sha512_256_done(hash_state * md, unsigned char *out) +{ + unsigned char buf[64]; + + LTC_ARGCHK(md != NULL); + LTC_ARGCHK(out != NULL); + + if (md->sha512.curlen >= sizeof(md->sha512.buf)) { + return CRYPT_INVALID_ARG; + } + + sha512_done(md, buf); + XMEMCPY(out, buf, 32); +#ifdef LTC_CLEAN_STACK + zeromem(buf, sizeof(buf)); +#endif + return CRYPT_OK; +} + +/** + Self-test the hash + @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled +*/ +int sha512_256_test(void) +{ + #ifndef LTC_TEST + return CRYPT_NOP; + #else + static const struct { + const char *msg; + unsigned char hash[32]; + } tests[] = { + { "abc", + { 0x53, 0x04, 0x8E, 0x26, 0x81, 0x94, 0x1E, 0xF9, + 0x9B, 0x2E, 0x29, 0xB7, 0x6B, 0x4C, 0x7D, 0xAB, + 0xE4, 0xC2, 0xD0, 0xC6, 0x34, 0xFC, 0x6D, 0x46, + 0xE0, 0xE2, 0xF1, 0x31, 0x07, 0xE7, 0xAF, 0x23 } + }, + { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", + { 0x39, 0x28, 0xE1, 0x84, 0xFB, 0x86, 0x90, 0xF8, + 0x40, 0xDA, 0x39, 0x88, 0x12, 0x1D, 0x31, 0xBE, + 0x65, 0xCB, 0x9D, 0x3E, 0xF8, 0x3E, 0xE6, 0x14, + 0x6F, 0xEA, 0xC8, 0x61, 0xE1, 0x9B, 0x56, 0x3A } + }, + }; + + int i; + unsigned char tmp[32]; + hash_state md; + + for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) { + sha512_256_init(&md); + sha512_256_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg)); + sha512_256_done(&md, tmp); + if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "SHA512-265", i)) { + return CRYPT_FAIL_TESTVECTOR; + } + } + return CRYPT_OK; + #endif +} + +#endif /* defined(LTC_SHA384) && defined(LTC_SHA512) */ + +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ |