| /* 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. |
| * |
| * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org |
| */ |
| /** |
| @param sha384.c |
| SHA384 hash included in sha512.c, Tom St Denis |
| */ |
| |
| const struct ltc_hash_descriptor sha384_desc = |
| { |
| "sha384", |
| 4, |
| 48, |
| 128, |
| |
| /* OID */ |
| { 2, 16, 840, 1, 101, 3, 4, 2, 2, }, |
| 9, |
| |
| &sha384_init, |
| &sha512_process, |
| &sha384_done, |
| &sha384_test |
| }; |
| |
| /** |
| Initialize the hash state |
| @param md The hash state you wish to initialize |
| @return CRYPT_OK if successful |
| */ |
| int sha384_init(hash_state * md) |
| { |
| LTC_ARGCHK(md != NULL); |
| |
| md->sha512.curlen = 0; |
| md->sha512.length = 0; |
| md->sha512.state[0] = CONST64(0xcbbb9d5dc1059ed8); |
| md->sha512.state[1] = CONST64(0x629a292a367cd507); |
| md->sha512.state[2] = CONST64(0x9159015a3070dd17); |
| md->sha512.state[3] = CONST64(0x152fecd8f70e5939); |
| md->sha512.state[4] = CONST64(0x67332667ffc00b31); |
| md->sha512.state[5] = CONST64(0x8eb44a8768581511); |
| md->sha512.state[6] = CONST64(0xdb0c2e0d64f98fa7); |
| md->sha512.state[7] = CONST64(0x47b5481dbefa4fa4); |
| 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 sha384_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, 48); |
| #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 sha384_test(void) |
| { |
| #ifndef LTC_TEST |
| return CRYPT_NOP; |
| #else |
| static const struct { |
| char *msg; |
| unsigned char hash[48]; |
| } tests[] = { |
| { "abc", |
| { 0xcb, 0x00, 0x75, 0x3f, 0x45, 0xa3, 0x5e, 0x8b, |
| 0xb5, 0xa0, 0x3d, 0x69, 0x9a, 0xc6, 0x50, 0x07, |
| 0x27, 0x2c, 0x32, 0xab, 0x0e, 0xde, 0xd1, 0x63, |
| 0x1a, 0x8b, 0x60, 0x5a, 0x43, 0xff, 0x5b, 0xed, |
| 0x80, 0x86, 0x07, 0x2b, 0xa1, 0xe7, 0xcc, 0x23, |
| 0x58, 0xba, 0xec, 0xa1, 0x34, 0xc8, 0x25, 0xa7 } |
| }, |
| { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", |
| { 0x09, 0x33, 0x0c, 0x33, 0xf7, 0x11, 0x47, 0xe8, |
| 0x3d, 0x19, 0x2f, 0xc7, 0x82, 0xcd, 0x1b, 0x47, |
| 0x53, 0x11, 0x1b, 0x17, 0x3b, 0x3b, 0x05, 0xd2, |
| 0x2f, 0xa0, 0x80, 0x86, 0xe3, 0xb0, 0xf7, 0x12, |
| 0xfc, 0xc7, 0xc7, 0x1a, 0x55, 0x7e, 0x2d, 0xb9, |
| 0x66, 0xc3, 0xe9, 0xfa, 0x91, 0x74, 0x60, 0x39 } |
| }, |
| }; |
| |
| int i; |
| unsigned char tmp[48]; |
| hash_state md; |
| |
| for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) { |
| sha384_init(&md); |
| sha384_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg)); |
| sha384_done(&md, tmp); |
| if (memcmp(tmp, tests[i].hash, 48) != 0) { |
| return CRYPT_FAIL_TESTVECTOR; |
| } |
| } |
| return CRYPT_OK; |
| #endif |
| } |
| |
| |
| |
| |
| |
| |
| /* $Source: /cvs/libtom/libtomcrypt/src/hashes/sha2/sha384.c,v $ */ |
| /* $Revision: 1.5 $ */ |
| /* $Date: 2005/05/23 02:42:07 $ */ |