diff options
Diffstat (limited to 'libtomcrypt/src/hashes/md4.c')
| -rw-r--r-- | libtomcrypt/src/hashes/md4.c | 161 |
1 files changed, 80 insertions, 81 deletions
diff --git a/libtomcrypt/src/hashes/md4.c b/libtomcrypt/src/hashes/md4.c index adf916b..09b6e31 100644 --- a/libtomcrypt/src/hashes/md4.c +++ b/libtomcrypt/src/hashes/md4.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 md4.c - Submitted by Dobes Vandermeer (dobes@smartt.com) + Submitted by Dobes Vandermeer (dobes@smartt.com) */ #ifdef LTC_MD4 @@ -23,7 +21,7 @@ const struct ltc_hash_descriptor md4_desc = 6, 16, 64, - + /* OID */ { 1, 2, 840, 113549, 2, 4, }, 6, @@ -56,8 +54,8 @@ const struct ltc_hash_descriptor md4_desc = /* ROTATE_LEFT rotates x left n bits. */ #define ROTATE_LEFT(x, n) ROLc(x, n) -/* FF, GG and HH are transformations for rounds 1, 2 and 3 */ -/* Rotation is separate from addition to prevent recomputation */ +/* FF, GG and HH are transformations for rounds 1, 2 and 3 */ +/* Rotation is separate from addition to prevent recomputation */ #define FF(a, b, c, d, x, s) { \ (a) += F ((b), (c), (d)) + (x); \ @@ -91,61 +89,61 @@ static int md4_compress(hash_state *md, unsigned char *buf) for (i = 0; i < 16; i++) { LOAD32L(x[i], buf + (4*i)); } - - /* Round 1 */ - FF (a, b, c, d, x[ 0], S11); /* 1 */ - FF (d, a, b, c, x[ 1], S12); /* 2 */ - FF (c, d, a, b, x[ 2], S13); /* 3 */ - FF (b, c, d, a, x[ 3], S14); /* 4 */ - FF (a, b, c, d, x[ 4], S11); /* 5 */ - FF (d, a, b, c, x[ 5], S12); /* 6 */ - FF (c, d, a, b, x[ 6], S13); /* 7 */ - FF (b, c, d, a, x[ 7], S14); /* 8 */ - FF (a, b, c, d, x[ 8], S11); /* 9 */ + + /* Round 1 */ + FF (a, b, c, d, x[ 0], S11); /* 1 */ + FF (d, a, b, c, x[ 1], S12); /* 2 */ + FF (c, d, a, b, x[ 2], S13); /* 3 */ + FF (b, c, d, a, x[ 3], S14); /* 4 */ + FF (a, b, c, d, x[ 4], S11); /* 5 */ + FF (d, a, b, c, x[ 5], S12); /* 6 */ + FF (c, d, a, b, x[ 6], S13); /* 7 */ + FF (b, c, d, a, x[ 7], S14); /* 8 */ + FF (a, b, c, d, x[ 8], S11); /* 9 */ FF (d, a, b, c, x[ 9], S12); /* 10 */ - FF (c, d, a, b, x[10], S13); /* 11 */ + FF (c, d, a, b, x[10], S13); /* 11 */ FF (b, c, d, a, x[11], S14); /* 12 */ FF (a, b, c, d, x[12], S11); /* 13 */ - FF (d, a, b, c, x[13], S12); /* 14 */ - FF (c, d, a, b, x[14], S13); /* 15 */ - FF (b, c, d, a, x[15], S14); /* 16 */ - - /* Round 2 */ - GG (a, b, c, d, x[ 0], S21); /* 17 */ - GG (d, a, b, c, x[ 4], S22); /* 18 */ - GG (c, d, a, b, x[ 8], S23); /* 19 */ - GG (b, c, d, a, x[12], S24); /* 20 */ - GG (a, b, c, d, x[ 1], S21); /* 21 */ - GG (d, a, b, c, x[ 5], S22); /* 22 */ - GG (c, d, a, b, x[ 9], S23); /* 23 */ - GG (b, c, d, a, x[13], S24); /* 24 */ - GG (a, b, c, d, x[ 2], S21); /* 25 */ - GG (d, a, b, c, x[ 6], S22); /* 26 */ - GG (c, d, a, b, x[10], S23); /* 27 */ - GG (b, c, d, a, x[14], S24); /* 28 */ - GG (a, b, c, d, x[ 3], S21); /* 29 */ - GG (d, a, b, c, x[ 7], S22); /* 30 */ - GG (c, d, a, b, x[11], S23); /* 31 */ - GG (b, c, d, a, x[15], S24); /* 32 */ - + FF (d, a, b, c, x[13], S12); /* 14 */ + FF (c, d, a, b, x[14], S13); /* 15 */ + FF (b, c, d, a, x[15], S14); /* 16 */ + + /* Round 2 */ + GG (a, b, c, d, x[ 0], S21); /* 17 */ + GG (d, a, b, c, x[ 4], S22); /* 18 */ + GG (c, d, a, b, x[ 8], S23); /* 19 */ + GG (b, c, d, a, x[12], S24); /* 20 */ + GG (a, b, c, d, x[ 1], S21); /* 21 */ + GG (d, a, b, c, x[ 5], S22); /* 22 */ + GG (c, d, a, b, x[ 9], S23); /* 23 */ + GG (b, c, d, a, x[13], S24); /* 24 */ + GG (a, b, c, d, x[ 2], S21); /* 25 */ + GG (d, a, b, c, x[ 6], S22); /* 26 */ + GG (c, d, a, b, x[10], S23); /* 27 */ + GG (b, c, d, a, x[14], S24); /* 28 */ + GG (a, b, c, d, x[ 3], S21); /* 29 */ + GG (d, a, b, c, x[ 7], S22); /* 30 */ + GG (c, d, a, b, x[11], S23); /* 31 */ + GG (b, c, d, a, x[15], S24); /* 32 */ + /* Round 3 */ - HH (a, b, c, d, x[ 0], S31); /* 33 */ - HH (d, a, b, c, x[ 8], S32); /* 34 */ - HH (c, d, a, b, x[ 4], S33); /* 35 */ - HH (b, c, d, a, x[12], S34); /* 36 */ - HH (a, b, c, d, x[ 2], S31); /* 37 */ - HH (d, a, b, c, x[10], S32); /* 38 */ - HH (c, d, a, b, x[ 6], S33); /* 39 */ - HH (b, c, d, a, x[14], S34); /* 40 */ - HH (a, b, c, d, x[ 1], S31); /* 41 */ - HH (d, a, b, c, x[ 9], S32); /* 42 */ - HH (c, d, a, b, x[ 5], S33); /* 43 */ - HH (b, c, d, a, x[13], S34); /* 44 */ - HH (a, b, c, d, x[ 3], S31); /* 45 */ - HH (d, a, b, c, x[11], S32); /* 46 */ - HH (c, d, a, b, x[ 7], S33); /* 47 */ - HH (b, c, d, a, x[15], S34); /* 48 */ - + HH (a, b, c, d, x[ 0], S31); /* 33 */ + HH (d, a, b, c, x[ 8], S32); /* 34 */ + HH (c, d, a, b, x[ 4], S33); /* 35 */ + HH (b, c, d, a, x[12], S34); /* 36 */ + HH (a, b, c, d, x[ 2], S31); /* 37 */ + HH (d, a, b, c, x[10], S32); /* 38 */ + HH (c, d, a, b, x[ 6], S33); /* 39 */ + HH (b, c, d, a, x[14], S34); /* 40 */ + HH (a, b, c, d, x[ 1], S31); /* 41 */ + HH (d, a, b, c, x[ 9], S32); /* 42 */ + HH (c, d, a, b, x[ 5], S33); /* 43 */ + HH (b, c, d, a, x[13], S34); /* 44 */ + HH (a, b, c, d, x[ 3], S31); /* 45 */ + HH (d, a, b, c, x[11], S32); /* 46 */ + HH (c, d, a, b, x[ 7], S33); /* 47 */ + HH (b, c, d, a, x[15], S34); /* 48 */ + /* Update our state */ md->md4.state[0] = md->md4.state[0] + a; @@ -242,54 +240,55 @@ int md4_done(hash_state * md, unsigned char *out) } #ifdef LTC_CLEAN_STACK zeromem(md, sizeof(hash_state)); -#endif +#endif return CRYPT_OK; } /** Self-test the hash @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled -*/ +*/ int md4_test(void) { #ifndef LTC_TEST return CRYPT_NOP; - #else + #else static const struct md4_test_case { - char *input; - unsigned char digest[16]; - } cases[] = { - { "", + const char *input; + unsigned char hash[16]; + } tests[] = { + { "", {0x31, 0xd6, 0xcf, 0xe0, 0xd1, 0x6a, 0xe9, 0x31, 0xb7, 0x3c, 0x59, 0xd7, 0xe0, 0xc0, 0x89, 0xc0} }, { "a", {0xbd, 0xe5, 0x2c, 0xb3, 0x1d, 0xe3, 0x3e, 0x46, 0x24, 0x5e, 0x05, 0xfb, 0xdb, 0xd6, 0xfb, 0x24} }, { "abc", - {0xa4, 0x48, 0x01, 0x7a, 0xaf, 0x21, 0xd8, 0x52, + {0xa4, 0x48, 0x01, 0x7a, 0xaf, 0x21, 0xd8, 0x52, 0x5f, 0xc1, 0x0a, 0xe8, 0x7a, 0xa6, 0x72, 0x9d} }, - { "message digest", - {0xd9, 0x13, 0x0a, 0x81, 0x64, 0x54, 0x9f, 0xe8, + { "message digest", + {0xd9, 0x13, 0x0a, 0x81, 0x64, 0x54, 0x9f, 0xe8, 0x18, 0x87, 0x48, 0x06, 0xe1, 0xc7, 0x01, 0x4b} }, - { "abcdefghijklmnopqrstuvwxyz", - {0xd7, 0x9e, 0x1c, 0x30, 0x8a, 0xa5, 0xbb, 0xcd, + { "abcdefghijklmnopqrstuvwxyz", + {0xd7, 0x9e, 0x1c, 0x30, 0x8a, 0xa5, 0xbb, 0xcd, 0xee, 0xa8, 0xed, 0x63, 0xdf, 0x41, 0x2d, 0xa9} }, - { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", - {0x04, 0x3f, 0x85, 0x82, 0xf2, 0x41, 0xdb, 0x35, + { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", + {0x04, 0x3f, 0x85, 0x82, 0xf2, 0x41, 0xdb, 0x35, 0x1c, 0xe6, 0x27, 0xe1, 0x53, 0xe7, 0xf0, 0xe4} }, - { "12345678901234567890123456789012345678901234567890123456789012345678901234567890", - {0xe3, 0x3b, 0x4d, 0xdc, 0x9c, 0x38, 0xf2, 0x19, + { "12345678901234567890123456789012345678901234567890123456789012345678901234567890", + {0xe3, 0x3b, 0x4d, 0xdc, 0x9c, 0x38, 0xf2, 0x19, 0x9c, 0x3e, 0x7b, 0x16, 0x4f, 0xcc, 0x05, 0x36} }, }; + int i; + unsigned char tmp[16]; hash_state md; - unsigned char digest[16]; - for(i = 0; i < (int)(sizeof(cases) / sizeof(cases[0])); i++) { + for(i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) { md4_init(&md); - md4_process(&md, (unsigned char *)cases[i].input, (unsigned long)strlen(cases[i].input)); - md4_done(&md, digest); - if (XMEMCMP(digest, cases[i].digest, 16) != 0) { + md4_process(&md, (unsigned char *)tests[i].input, (unsigned long)strlen(tests[i].input)); + md4_done(&md, tmp); + if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "MD4", i)) { return CRYPT_FAIL_TESTVECTOR; } @@ -302,6 +301,6 @@ int md4_test(void) -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ |