Mercurial > dropbear
view src/hashes/sha2/sha384.c @ 230:809b681a9af5 libtomcrypt
- check for generic AES/TWOFISH settings from Dropbear, not AES128 etc
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Tue, 30 Aug 2005 17:40:30 +0000 |
parents | 39d5d58461d6 |
children |
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/* 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, [email protected], 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 $ */