Mercurial > dropbear
view libtomcrypt/src/hashes/whirl/whirl.c @ 1662:8a7d26e86a56
Set SSH_ORIGINAL_COMMAND for "dropbear -c" too, fix build without
DROPBEAR_SVR_PUBKEY_OPTIONS
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sat, 14 Mar 2020 23:28:18 +0800 (2020-03-14) |
parents | 6dba84798cd5 |
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. */ /** @file whirl.c LTC_WHIRLPOOL (using their new sbox) hash function by Tom St Denis */ #include "tomcrypt.h" #ifdef LTC_WHIRLPOOL const struct ltc_hash_descriptor whirlpool_desc = { "whirlpool", 11, 64, 64, /* OID */ { 1, 0, 10118, 3, 0, 55 }, 6, &whirlpool_init, &whirlpool_process, &whirlpool_done, &whirlpool_test, NULL }; /* the sboxes */ #define __LTC_WHIRLTAB_C__ #include "whirltab.c" /* get a_{i,j} */ #define GB(a,i,j) ((a[(i) & 7] >> (8 * (j))) & 255) /* shortcut macro to perform three functions at once */ #define theta_pi_gamma(a, i) \ (SB0(GB(a, i-0, 7)) ^ \ SB1(GB(a, i-1, 6)) ^ \ SB2(GB(a, i-2, 5)) ^ \ SB3(GB(a, i-3, 4)) ^ \ SB4(GB(a, i-4, 3)) ^ \ SB5(GB(a, i-5, 2)) ^ \ SB6(GB(a, i-6, 1)) ^ \ SB7(GB(a, i-7, 0))) #ifdef LTC_CLEAN_STACK static int _whirlpool_compress(hash_state *md, unsigned char *buf) #else static int whirlpool_compress(hash_state *md, unsigned char *buf) #endif { ulong64 K[2][8], T[3][8]; int x, y; /* load the block/state */ for (x = 0; x < 8; x++) { K[0][x] = md->whirlpool.state[x]; LOAD64H(T[0][x], buf + (8 * x)); T[2][x] = T[0][x]; T[0][x] ^= K[0][x]; } /* do rounds 1..10 */ for (x = 0; x < 10; x += 2) { /* odd round */ /* apply main transform to K[0] into K[1] */ for (y = 0; y < 8; y++) { K[1][y] = theta_pi_gamma(K[0], y); } /* xor the constant */ K[1][0] ^= cont[x]; /* apply main transform to T[0] into T[1] */ for (y = 0; y < 8; y++) { T[1][y] = theta_pi_gamma(T[0], y) ^ K[1][y]; } /* even round */ /* apply main transform to K[1] into K[0] */ for (y = 0; y < 8; y++) { K[0][y] = theta_pi_gamma(K[1], y); } /* xor the constant */ K[0][0] ^= cont[x+1]; /* apply main transform to T[1] into T[0] */ for (y = 0; y < 8; y++) { T[0][y] = theta_pi_gamma(T[1], y) ^ K[0][y]; } } /* store state */ for (x = 0; x < 8; x++) { md->whirlpool.state[x] ^= T[0][x] ^ T[2][x]; } return CRYPT_OK; } #ifdef LTC_CLEAN_STACK static int whirlpool_compress(hash_state *md, unsigned char *buf) { int err; err = _whirlpool_compress(md, buf); burn_stack((5 * 8 * sizeof(ulong64)) + (2 * sizeof(int))); return err; } #endif /** Initialize the hash state @param md The hash state you wish to initialize @return CRYPT_OK if successful */ int whirlpool_init(hash_state * md) { LTC_ARGCHK(md != NULL); zeromem(&md->whirlpool, sizeof(md->whirlpool)); return CRYPT_OK; } /** Process a block of memory though the hash @param md The hash state @param in The data to hash @param inlen The length of the data (octets) @return CRYPT_OK if successful */ HASH_PROCESS(whirlpool_process, whirlpool_compress, whirlpool, 64) /** Terminate the hash to get the digest @param md The hash state @param out [out] The destination of the hash (64 bytes) @return CRYPT_OK if successful */ int whirlpool_done(hash_state * md, unsigned char *out) { int i; LTC_ARGCHK(md != NULL); LTC_ARGCHK(out != NULL); if (md->whirlpool.curlen >= sizeof(md->whirlpool.buf)) { return CRYPT_INVALID_ARG; } /* increase the length of the message */ md->whirlpool.length += md->whirlpool.curlen * 8; /* append the '1' bit */ md->whirlpool.buf[md->whirlpool.curlen++] = (unsigned char)0x80; /* if the length is currently above 32 bytes we append zeros * then compress. Then we can fall back to padding zeros and length * encoding like normal. */ if (md->whirlpool.curlen > 32) { while (md->whirlpool.curlen < 64) { md->whirlpool.buf[md->whirlpool.curlen++] = (unsigned char)0; } whirlpool_compress(md, md->whirlpool.buf); md->whirlpool.curlen = 0; } /* pad upto 56 bytes of zeroes (should be 32 but we only support 64-bit lengths) */ while (md->whirlpool.curlen < 56) { md->whirlpool.buf[md->whirlpool.curlen++] = (unsigned char)0; } /* store length */ STORE64H(md->whirlpool.length, md->whirlpool.buf+56); whirlpool_compress(md, md->whirlpool.buf); /* copy output */ for (i = 0; i < 8; i++) { STORE64H(md->whirlpool.state[i], out+(8*i)); } #ifdef LTC_CLEAN_STACK zeromem(md, sizeof(*md)); #endif return CRYPT_OK; } /** Self-test the hash @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled */ int whirlpool_test(void) { #ifndef LTC_TEST return CRYPT_NOP; #else static const struct { int len; unsigned char msg[128], hash[64]; } tests[] = { /* NULL Message */ { 0, { 0x00 }, { 0x19, 0xFA, 0x61, 0xD7, 0x55, 0x22, 0xA4, 0x66, 0x9B, 0x44, 0xE3, 0x9C, 0x1D, 0x2E, 0x17, 0x26, 0xC5, 0x30, 0x23, 0x21, 0x30, 0xD4, 0x07, 0xF8, 0x9A, 0xFE, 0xE0, 0x96, 0x49, 0x97, 0xF7, 0xA7, 0x3E, 0x83, 0xBE, 0x69, 0x8B, 0x28, 0x8F, 0xEB, 0xCF, 0x88, 0xE3, 0xE0, 0x3C, 0x4F, 0x07, 0x57, 0xEA, 0x89, 0x64, 0xE5, 0x9B, 0x63, 0xD9, 0x37, 0x08, 0xB1, 0x38, 0xCC, 0x42, 0xA6, 0x6E, 0xB3 } }, /* 448-bits of 0 bits */ { 56, { 0x00 }, { 0x0B, 0x3F, 0x53, 0x78, 0xEB, 0xED, 0x2B, 0xF4, 0xD7, 0xBE, 0x3C, 0xFD, 0x81, 0x8C, 0x1B, 0x03, 0xB6, 0xBB, 0x03, 0xD3, 0x46, 0x94, 0x8B, 0x04, 0xF4, 0xF4, 0x0C, 0x72, 0x6F, 0x07, 0x58, 0x70, 0x2A, 0x0F, 0x1E, 0x22, 0x58, 0x80, 0xE3, 0x8D, 0xD5, 0xF6, 0xED, 0x6D, 0xE9, 0xB1, 0xE9, 0x61, 0xE4, 0x9F, 0xC1, 0x31, 0x8D, 0x7C, 0xB7, 0x48, 0x22, 0xF3, 0xD0, 0xE2, 0xE9, 0xA7, 0xE7, 0xB0 } }, /* 520-bits of 0 bits */ { 65, { 0x00 }, { 0x85, 0xE1, 0x24, 0xC4, 0x41, 0x5B, 0xCF, 0x43, 0x19, 0x54, 0x3E, 0x3A, 0x63, 0xFF, 0x57, 0x1D, 0x09, 0x35, 0x4C, 0xEE, 0xBE, 0xE1, 0xE3, 0x25, 0x30, 0x8C, 0x90, 0x69, 0xF4, 0x3E, 0x2A, 0xE4, 0xD0, 0xE5, 0x1D, 0x4E, 0xB1, 0xE8, 0x64, 0x28, 0x70, 0x19, 0x4E, 0x95, 0x30, 0xD8, 0xD8, 0xAF, 0x65, 0x89, 0xD1, 0xBF, 0x69, 0x49, 0xDD, 0xF9, 0x0A, 0x7F, 0x12, 0x08, 0x62, 0x37, 0x95, 0xB9 } }, /* 512-bits, leading set */ { 64, { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x10, 0x3E, 0x00, 0x55, 0xA9, 0xB0, 0x90, 0xE1, 0x1C, 0x8F, 0xDD, 0xEB, 0xBA, 0x06, 0xC0, 0x5A, 0xCE, 0x8B, 0x64, 0xB8, 0x96, 0x12, 0x8F, 0x6E, 0xED, 0x30, 0x71, 0xFC, 0xF3, 0xDC, 0x16, 0x94, 0x67, 0x78, 0xE0, 0x72, 0x23, 0x23, 0x3F, 0xD1, 0x80, 0xFC, 0x40, 0xCC, 0xDB, 0x84, 0x30, 0xA6, 0x40, 0xE3, 0x76, 0x34, 0x27, 0x1E, 0x65, 0x5C, 0xA1, 0x67, 0x4E, 0xBF, 0xF5, 0x07, 0xF8, 0xCB } }, /* 512-bits, leading set of second byte */ { 64, { 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, { 0x35, 0x7B, 0x42, 0xEA, 0x79, 0xBC, 0x97, 0x86, 0x97, 0x5A, 0x3C, 0x44, 0x70, 0xAA, 0xB2, 0x3E, 0x62, 0x29, 0x79, 0x7B, 0xAD, 0xBD, 0x54, 0x36, 0x5B, 0x54, 0x96, 0xE5, 0x5D, 0x9D, 0xD7, 0x9F, 0xE9, 0x62, 0x4F, 0xB4, 0x22, 0x66, 0x93, 0x0A, 0x62, 0x8E, 0xD4, 0xDB, 0x08, 0xF9, 0xDD, 0x35, 0xEF, 0x1B, 0xE1, 0x04, 0x53, 0xFC, 0x18, 0xF4, 0x2C, 0x7F, 0x5E, 0x1F, 0x9B, 0xAE, 0x55, 0xE0 } }, /* 512-bits, leading set of last byte */ { 64, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 }, { 0x8B, 0x39, 0x04, 0xDD, 0x19, 0x81, 0x41, 0x26, 0xFD, 0x02, 0x74, 0xAB, 0x49, 0xC5, 0x97, 0xF6, 0xD7, 0x75, 0x33, 0x52, 0xA2, 0xDD, 0x91, 0xFD, 0x8F, 0x9F, 0x54, 0x05, 0x4C, 0x54, 0xBF, 0x0F, 0x06, 0xDB, 0x4F, 0xF7, 0x08, 0xA3, 0xA2, 0x8B, 0xC3, 0x7A, 0x92, 0x1E, 0xEE, 0x11, 0xED, 0x7B, 0x6A, 0x53, 0x79, 0x32, 0xCC, 0x5E, 0x94, 0xEE, 0x1E, 0xA6, 0x57, 0x60, 0x7E, 0x36, 0xC9, 0xF7 } }, }; int i; unsigned char tmp[64]; hash_state md; for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) { whirlpool_init(&md); whirlpool_process(&md, (unsigned char *)tests[i].msg, tests[i].len); whirlpool_done(&md, tmp); if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "WHIRLPOOL", i)) { return CRYPT_FAIL_TESTVECTOR; } } return CRYPT_OK; #endif } #endif /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */