Mercurial > dropbear
diff src/hashes/rmd320.c @ 380:d5faf4814ddb libtomcrypt-orig libtomcrypt-1.16
Update to LibTomCrypt 1.16
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 11 Jan 2007 02:22:00 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/hashes/rmd320.c Thu Jan 11 02:22:00 2007 +0000 @@ -0,0 +1,495 @@ +/* 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.com + */ +#include "tomcrypt.h" + +/** + @file rmd320.c + RMD320 hash function +*/ + +#ifdef RIPEMD320 + +const struct ltc_hash_descriptor rmd320_desc = +{ + "rmd320", + 9, + 20, + 64, + + /* OID */ + { 0 }, + 0, + + &rmd320_init, + &rmd320_process, + &rmd320_done, + &rmd320_test, + NULL +}; + +/* the five basic functions F(), G() and H() */ +#define F(x, y, z) ((x) ^ (y) ^ (z)) +#define G(x, y, z) (((x) & (y)) | (~(x) & (z))) +#define H(x, y, z) (((x) | ~(y)) ^ (z)) +#define I(x, y, z) (((x) & (z)) | ((y) & ~(z))) +#define J(x, y, z) ((x) ^ ((y) | ~(z))) + +/* the ten basic operations FF() through III() */ +#define FF(a, b, c, d, e, x, s) \ + (a) += F((b), (c), (d)) + (x);\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + +#define GG(a, b, c, d, e, x, s) \ + (a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + +#define HH(a, b, c, d, e, x, s) \ + (a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + +#define II(a, b, c, d, e, x, s) \ + (a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + +#define JJ(a, b, c, d, e, x, s) \ + (a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + +#define FFF(a, b, c, d, e, x, s) \ + (a) += F((b), (c), (d)) + (x);\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + +#define GGG(a, b, c, d, e, x, s) \ + (a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + +#define HHH(a, b, c, d, e, x, s) \ + (a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + +#define III(a, b, c, d, e, x, s) \ + (a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + +#define JJJ(a, b, c, d, e, x, s) \ + (a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\ + (a) = ROLc((a), (s)) + (e);\ + (c) = ROLc((c), 10); + + +#ifdef LTC_CLEAN_STACK +static int _rmd320_compress(hash_state *md, unsigned char *buf) +#else +static int rmd320_compress(hash_state *md, unsigned char *buf) +#endif +{ + ulong32 aa,bb,cc,dd,ee,aaa,bbb,ccc,ddd,eee,tmp,X[16]; + int i; + + /* load words X */ + for (i = 0; i < 16; i++){ + LOAD32L(X[i], buf + (4 * i)); + } + + /* load state */ + aa = md->rmd320.state[0]; + bb = md->rmd320.state[1]; + cc = md->rmd320.state[2]; + dd = md->rmd320.state[3]; + ee = md->rmd320.state[4]; + aaa = md->rmd320.state[5]; + bbb = md->rmd320.state[6]; + ccc = md->rmd320.state[7]; + ddd = md->rmd320.state[8]; + eee = md->rmd320.state[9]; + + /* round 1 */ + FF(aa, bb, cc, dd, ee, X[ 0], 11); + FF(ee, aa, bb, cc, dd, X[ 1], 14); + FF(dd, ee, aa, bb, cc, X[ 2], 15); + FF(cc, dd, ee, aa, bb, X[ 3], 12); + FF(bb, cc, dd, ee, aa, X[ 4], 5); + FF(aa, bb, cc, dd, ee, X[ 5], 8); + FF(ee, aa, bb, cc, dd, X[ 6], 7); + FF(dd, ee, aa, bb, cc, X[ 7], 9); + FF(cc, dd, ee, aa, bb, X[ 8], 11); + FF(bb, cc, dd, ee, aa, X[ 9], 13); + FF(aa, bb, cc, dd, ee, X[10], 14); + FF(ee, aa, bb, cc, dd, X[11], 15); + FF(dd, ee, aa, bb, cc, X[12], 6); + FF(cc, dd, ee, aa, bb, X[13], 7); + FF(bb, cc, dd, ee, aa, X[14], 9); + FF(aa, bb, cc, dd, ee, X[15], 8); + + /* parallel round 1 */ + JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8); + JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9); + JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9); + JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11); + JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13); + JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15); + JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15); + JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5); + JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7); + JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7); + JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8); + JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11); + JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14); + JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14); + JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12); + JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6); + + tmp = aa; aa = aaa; aaa = tmp; + + /* round 2 */ + GG(ee, aa, bb, cc, dd, X[ 7], 7); + GG(dd, ee, aa, bb, cc, X[ 4], 6); + GG(cc, dd, ee, aa, bb, X[13], 8); + GG(bb, cc, dd, ee, aa, X[ 1], 13); + GG(aa, bb, cc, dd, ee, X[10], 11); + GG(ee, aa, bb, cc, dd, X[ 6], 9); + GG(dd, ee, aa, bb, cc, X[15], 7); + GG(cc, dd, ee, aa, bb, X[ 3], 15); + GG(bb, cc, dd, ee, aa, X[12], 7); + GG(aa, bb, cc, dd, ee, X[ 0], 12); + GG(ee, aa, bb, cc, dd, X[ 9], 15); + GG(dd, ee, aa, bb, cc, X[ 5], 9); + GG(cc, dd, ee, aa, bb, X[ 2], 11); + GG(bb, cc, dd, ee, aa, X[14], 7); + GG(aa, bb, cc, dd, ee, X[11], 13); + GG(ee, aa, bb, cc, dd, X[ 8], 12); + + /* parallel round 2 */ + III(eee, aaa, bbb, ccc, ddd, X[ 6], 9); + III(ddd, eee, aaa, bbb, ccc, X[11], 13); + III(ccc, ddd, eee, aaa, bbb, X[ 3], 15); + III(bbb, ccc, ddd, eee, aaa, X[ 7], 7); + III(aaa, bbb, ccc, ddd, eee, X[ 0], 12); + III(eee, aaa, bbb, ccc, ddd, X[13], 8); + III(ddd, eee, aaa, bbb, ccc, X[ 5], 9); + III(ccc, ddd, eee, aaa, bbb, X[10], 11); + III(bbb, ccc, ddd, eee, aaa, X[14], 7); + III(aaa, bbb, ccc, ddd, eee, X[15], 7); + III(eee, aaa, bbb, ccc, ddd, X[ 8], 12); + III(ddd, eee, aaa, bbb, ccc, X[12], 7); + III(ccc, ddd, eee, aaa, bbb, X[ 4], 6); + III(bbb, ccc, ddd, eee, aaa, X[ 9], 15); + III(aaa, bbb, ccc, ddd, eee, X[ 1], 13); + III(eee, aaa, bbb, ccc, ddd, X[ 2], 11); + + tmp = bb; bb = bbb; bbb = tmp; + + /* round 3 */ + HH(dd, ee, aa, bb, cc, X[ 3], 11); + HH(cc, dd, ee, aa, bb, X[10], 13); + HH(bb, cc, dd, ee, aa, X[14], 6); + HH(aa, bb, cc, dd, ee, X[ 4], 7); + HH(ee, aa, bb, cc, dd, X[ 9], 14); + HH(dd, ee, aa, bb, cc, X[15], 9); + HH(cc, dd, ee, aa, bb, X[ 8], 13); + HH(bb, cc, dd, ee, aa, X[ 1], 15); + HH(aa, bb, cc, dd, ee, X[ 2], 14); + HH(ee, aa, bb, cc, dd, X[ 7], 8); + HH(dd, ee, aa, bb, cc, X[ 0], 13); + HH(cc, dd, ee, aa, bb, X[ 6], 6); + HH(bb, cc, dd, ee, aa, X[13], 5); + HH(aa, bb, cc, dd, ee, X[11], 12); + HH(ee, aa, bb, cc, dd, X[ 5], 7); + HH(dd, ee, aa, bb, cc, X[12], 5); + + /* parallel round 3 */ + HHH(ddd, eee, aaa, bbb, ccc, X[15], 9); + HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7); + HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15); + HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11); + HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8); + HHH(ddd, eee, aaa, bbb, ccc, X[14], 6); + HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6); + HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14); + HHH(aaa, bbb, ccc, ddd, eee, X[11], 12); + HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13); + HHH(ddd, eee, aaa, bbb, ccc, X[12], 5); + HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14); + HHH(bbb, ccc, ddd, eee, aaa, X[10], 13); + HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13); + HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7); + HHH(ddd, eee, aaa, bbb, ccc, X[13], 5); + + tmp = cc; cc = ccc; ccc = tmp; + + /* round 4 */ + II(cc, dd, ee, aa, bb, X[ 1], 11); + II(bb, cc, dd, ee, aa, X[ 9], 12); + II(aa, bb, cc, dd, ee, X[11], 14); + II(ee, aa, bb, cc, dd, X[10], 15); + II(dd, ee, aa, bb, cc, X[ 0], 14); + II(cc, dd, ee, aa, bb, X[ 8], 15); + II(bb, cc, dd, ee, aa, X[12], 9); + II(aa, bb, cc, dd, ee, X[ 4], 8); + II(ee, aa, bb, cc, dd, X[13], 9); + II(dd, ee, aa, bb, cc, X[ 3], 14); + II(cc, dd, ee, aa, bb, X[ 7], 5); + II(bb, cc, dd, ee, aa, X[15], 6); + II(aa, bb, cc, dd, ee, X[14], 8); + II(ee, aa, bb, cc, dd, X[ 5], 6); + II(dd, ee, aa, bb, cc, X[ 6], 5); + II(cc, dd, ee, aa, bb, X[ 2], 12); + + /* parallel round 4 */ + GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15); + GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5); + GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8); + GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11); + GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14); + GGG(ccc, ddd, eee, aaa, bbb, X[11], 14); + GGG(bbb, ccc, ddd, eee, aaa, X[15], 6); + GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14); + GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6); + GGG(ddd, eee, aaa, bbb, ccc, X[12], 9); + GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12); + GGG(bbb, ccc, ddd, eee, aaa, X[13], 9); + GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12); + GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5); + GGG(ddd, eee, aaa, bbb, ccc, X[10], 15); + GGG(ccc, ddd, eee, aaa, bbb, X[14], 8); + + tmp = dd; dd = ddd; ddd = tmp; + + /* round 5 */ + JJ(bb, cc, dd, ee, aa, X[ 4], 9); + JJ(aa, bb, cc, dd, ee, X[ 0], 15); + JJ(ee, aa, bb, cc, dd, X[ 5], 5); + JJ(dd, ee, aa, bb, cc, X[ 9], 11); + JJ(cc, dd, ee, aa, bb, X[ 7], 6); + JJ(bb, cc, dd, ee, aa, X[12], 8); + JJ(aa, bb, cc, dd, ee, X[ 2], 13); + JJ(ee, aa, bb, cc, dd, X[10], 12); + JJ(dd, ee, aa, bb, cc, X[14], 5); + JJ(cc, dd, ee, aa, bb, X[ 1], 12); + JJ(bb, cc, dd, ee, aa, X[ 3], 13); + JJ(aa, bb, cc, dd, ee, X[ 8], 14); + JJ(ee, aa, bb, cc, dd, X[11], 11); + JJ(dd, ee, aa, bb, cc, X[ 6], 8); + JJ(cc, dd, ee, aa, bb, X[15], 5); + JJ(bb, cc, dd, ee, aa, X[13], 6); + + /* parallel round 5 */ + FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8); + FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5); + FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12); + FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9); + FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12); + FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5); + FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14); + FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6); + FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8); + FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13); + FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6); + FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5); + FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15); + FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13); + FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11); + FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11); + + tmp = ee; ee = eee; eee = tmp; + + /* combine results */ + md->rmd320.state[0] += aa; + md->rmd320.state[1] += bb; + md->rmd320.state[2] += cc; + md->rmd320.state[3] += dd; + md->rmd320.state[4] += ee; + md->rmd320.state[5] += aaa; + md->rmd320.state[6] += bbb; + md->rmd320.state[7] += ccc; + md->rmd320.state[8] += ddd; + md->rmd320.state[9] += eee; + + return CRYPT_OK; +} + +#ifdef LTC_CLEAN_STACK +static int rmd320_compress(hash_state *md, unsigned char *buf) +{ + int err; + err = _rmd320_compress(md, buf); + burn_stack(sizeof(ulong32) * 27 + sizeof(int)); + return err; +} +#endif + +/** + Initialize the hash state + @param md The hash state you wish to initialize + @return CRYPT_OK if successful +*/ +int rmd320_init(hash_state * md) +{ + LTC_ARGCHK(md != NULL); + md->rmd320.state[0] = 0x67452301UL; + md->rmd320.state[1] = 0xefcdab89UL; + md->rmd320.state[2] = 0x98badcfeUL; + md->rmd320.state[3] = 0x10325476UL; + md->rmd320.state[4] = 0xc3d2e1f0UL; + md->rmd320.state[5] = 0x76543210UL; + md->rmd320.state[6] = 0xfedcba98UL; + md->rmd320.state[7] = 0x89abcdefUL; + md->rmd320.state[8] = 0x01234567UL; + md->rmd320.state[9] = 0x3c2d1e0fUL; + md->rmd320.curlen = 0; + md->rmd320.length = 0; + 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(rmd320_process, rmd320_compress, rmd320, 64) + +/** + Terminate the hash to get the digest + @param md The hash state + @param out [out] The destination of the hash (20 bytes) + @return CRYPT_OK if successful +*/ +int rmd320_done(hash_state * md, unsigned char *out) +{ + int i; + + LTC_ARGCHK(md != NULL); + LTC_ARGCHK(out != NULL); + + if (md->rmd320.curlen >= sizeof(md->rmd320.buf)) { + return CRYPT_INVALID_ARG; + } + + + /* increase the length of the message */ + md->rmd320.length += md->rmd320.curlen * 8; + + /* append the '1' bit */ + md->rmd320.buf[md->rmd320.curlen++] = (unsigned char)0x80; + + /* if the length is currently above 56 bytes we append zeros + * then compress. Then we can fall back to padding zeros and length + * encoding like normal. + */ + if (md->rmd320.curlen > 56) { + while (md->rmd320.curlen < 64) { + md->rmd320.buf[md->rmd320.curlen++] = (unsigned char)0; + } + rmd320_compress(md, md->rmd320.buf); + md->rmd320.curlen = 0; + } + + /* pad upto 56 bytes of zeroes */ + while (md->rmd320.curlen < 56) { + md->rmd320.buf[md->rmd320.curlen++] = (unsigned char)0; + } + + /* store length */ + STORE64L(md->rmd320.length, md->rmd320.buf+56); + rmd320_compress(md, md->rmd320.buf); + + /* copy output */ + for (i = 0; i < 10; i++) { + STORE32L(md->rmd320.state[i], out+(4*i)); + } +#ifdef LTC_CLEAN_STACK + zeromem(md, sizeof(hash_state)); +#endif + return CRYPT_OK; +} + +/** + Self-test the hash + @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled +*/ +int rmd320_test(void) +{ +#ifndef LTC_TEST + return CRYPT_NOP; +#else + static const struct { + char *msg; + unsigned char md[40]; + } tests[] = { + { "", + { 0x22, 0xd6, 0x5d, 0x56, 0x61, 0x53, 0x6c, 0xdc, 0x75, 0xc1, + 0xfd, 0xf5, 0xc6, 0xde, 0x7b, 0x41, 0xb9, 0xf2, 0x73, 0x25, + 0xeb, 0xc6, 0x1e, 0x85, 0x57, 0x17, 0x7d, 0x70, 0x5a, 0x0e, + 0xc8, 0x80, 0x15, 0x1c, 0x3a, 0x32, 0xa0, 0x08, 0x99, 0xb8 } + }, + { "a", + { 0xce, 0x78, 0x85, 0x06, 0x38, 0xf9, 0x26, 0x58, 0xa5, 0xa5, + 0x85, 0x09, 0x75, 0x79, 0x92, 0x6d, 0xda, 0x66, 0x7a, 0x57, + 0x16, 0x56, 0x2c, 0xfc, 0xf6, 0xfb, 0xe7, 0x7f, 0x63, 0x54, + 0x2f, 0x99, 0xb0, 0x47, 0x05, 0xd6, 0x97, 0x0d, 0xff, 0x5d } + }, + { "abc", + { 0xde, 0x4c, 0x01, 0xb3, 0x05, 0x4f, 0x89, 0x30, 0xa7, 0x9d, + 0x09, 0xae, 0x73, 0x8e, 0x92, 0x30, 0x1e, 0x5a, 0x17, 0x08, + 0x5b, 0xef, 0xfd, 0xc1, 0xb8, 0xd1, 0x16, 0x71, 0x3e, 0x74, + 0xf8, 0x2f, 0xa9, 0x42, 0xd6, 0x4c, 0xdb, 0xc4, 0x68, 0x2d } + }, + { "message digest", + { 0x3a, 0x8e, 0x28, 0x50, 0x2e, 0xd4, 0x5d, 0x42, 0x2f, 0x68, + 0x84, 0x4f, 0x9d, 0xd3, 0x16, 0xe7, 0xb9, 0x85, 0x33, 0xfa, + 0x3f, 0x2a, 0x91, 0xd2, 0x9f, 0x84, 0xd4, 0x25, 0xc8, 0x8d, + 0x6b, 0x4e, 0xff, 0x72, 0x7d, 0xf6, 0x6a, 0x7c, 0x01, 0x97 } + }, + { "abcdefghijklmnopqrstuvwxyz", + { 0xca, 0xbd, 0xb1, 0x81, 0x0b, 0x92, 0x47, 0x0a, 0x20, 0x93, + 0xaa, 0x6b, 0xce, 0x05, 0x95, 0x2c, 0x28, 0x34, 0x8c, 0xf4, + 0x3f, 0xf6, 0x08, 0x41, 0x97, 0x51, 0x66, 0xbb, 0x40, 0xed, + 0x23, 0x40, 0x04, 0xb8, 0x82, 0x44, 0x63, 0xe6, 0xb0, 0x09 } + }, + { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", + { 0xd0, 0x34, 0xa7, 0x95, 0x0c, 0xf7, 0x22, 0x02, 0x1b, 0xa4, + 0xb8, 0x4d, 0xf7, 0x69, 0xa5, 0xde, 0x20, 0x60, 0xe2, 0x59, + 0xdf, 0x4c, 0x9b, 0xb4, 0xa4, 0x26, 0x8c, 0x0e, 0x93, 0x5b, + 0xbc, 0x74, 0x70, 0xa9, 0x69, 0xc9, 0xd0, 0x72, 0xa1, 0xac } + } + }; + int x; + unsigned char buf[40]; + hash_state md; + + for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) { + rmd320_init(&md); + rmd320_process(&md, (unsigned char *)tests[x].msg, strlen(tests[x].msg)); + rmd320_done(&md, buf); + if (XMEMCMP(buf, tests[x].md, 40) != 0) { +#if 0 + printf("Failed test %d\n", x); +#endif + return CRYPT_FAIL_TESTVECTOR; + } + } + return CRYPT_OK; +#endif +} + +#endif +