+++ /dev/null
-/* 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.
- */
-#include "tomcrypt.h"
-
-/**
- @param rmd256.c
- RLTC_MD256 Hash function
-*/
-
-#ifdef LTC_RIPEMD256
-
-const struct ltc_hash_descriptor rmd256_desc =
-{
- "rmd256",
- 13,
- 32,
- 64,
-
- /* OID */
- { 1, 3, 36, 3, 2, 3 },
- 6,
-
- &rmd256_init,
- &rmd256_process,
- &rmd256_done,
- &rmd256_test,
- NULL
-};
-
-/* the four 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)))
-
-/* the eight basic operations FF() through III() */
-#define FF(a, b, c, d, x, s) \
- (a) += F((b), (c), (d)) + (x);\
- (a) = ROLc((a), (s));
-
-#define GG(a, b, c, d, x, s) \
- (a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
- (a) = ROLc((a), (s));
-
-#define HH(a, b, c, d, x, s) \
- (a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
- (a) = ROLc((a), (s));
-
-#define II(a, b, c, d, x, s) \
- (a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
- (a) = ROLc((a), (s));
-
-#define FFF(a, b, c, d, x, s) \
- (a) += F((b), (c), (d)) + (x);\
- (a) = ROLc((a), (s));
-
-#define GGG(a, b, c, d, x, s) \
- (a) += G((b), (c), (d)) + (x) + 0x6d703ef3UL;\
- (a) = ROLc((a), (s));
-
-#define HHH(a, b, c, d, x, s) \
- (a) += H((b), (c), (d)) + (x) + 0x5c4dd124UL;\
- (a) = ROLc((a), (s));
-
-#define III(a, b, c, d, x, s) \
- (a) += I((b), (c), (d)) + (x) + 0x50a28be6UL;\
- (a) = ROLc((a), (s));
-
-#ifdef LTC_CLEAN_STACK
-static int _rmd256_compress(hash_state *md, unsigned char *buf)
-#else
-static int rmd256_compress(hash_state *md, unsigned char *buf)
-#endif
-{
- ulong32 aa,bb,cc,dd,aaa,bbb,ccc,ddd,tmp,X[16];
- int i;
-
- /* load words X */
- for (i = 0; i < 16; i++){
- LOAD32L(X[i], buf + (4 * i));
- }
-
- /* load state */
- aa = md->rmd256.state[0];
- bb = md->rmd256.state[1];
- cc = md->rmd256.state[2];
- dd = md->rmd256.state[3];
- aaa = md->rmd256.state[4];
- bbb = md->rmd256.state[5];
- ccc = md->rmd256.state[6];
- ddd = md->rmd256.state[7];
-
- /* round 1 */
- FF(aa, bb, cc, dd, X[ 0], 11);
- FF(dd, aa, bb, cc, X[ 1], 14);
- FF(cc, dd, aa, bb, X[ 2], 15);
- FF(bb, cc, dd, aa, X[ 3], 12);
- FF(aa, bb, cc, dd, X[ 4], 5);
- FF(dd, aa, bb, cc, X[ 5], 8);
- FF(cc, dd, aa, bb, X[ 6], 7);
- FF(bb, cc, dd, aa, X[ 7], 9);
- FF(aa, bb, cc, dd, X[ 8], 11);
- FF(dd, aa, bb, cc, X[ 9], 13);
- FF(cc, dd, aa, bb, X[10], 14);
- FF(bb, cc, dd, aa, X[11], 15);
- FF(aa, bb, cc, dd, X[12], 6);
- FF(dd, aa, bb, cc, X[13], 7);
- FF(cc, dd, aa, bb, X[14], 9);
- FF(bb, cc, dd, aa, X[15], 8);
-
- /* parallel round 1 */
- III(aaa, bbb, ccc, ddd, X[ 5], 8);
- III(ddd, aaa, bbb, ccc, X[14], 9);
- III(ccc, ddd, aaa, bbb, X[ 7], 9);
- III(bbb, ccc, ddd, aaa, X[ 0], 11);
- III(aaa, bbb, ccc, ddd, X[ 9], 13);
- III(ddd, aaa, bbb, ccc, X[ 2], 15);
- III(ccc, ddd, aaa, bbb, X[11], 15);
- III(bbb, ccc, ddd, aaa, X[ 4], 5);
- III(aaa, bbb, ccc, ddd, X[13], 7);
- III(ddd, aaa, bbb, ccc, X[ 6], 7);
- III(ccc, ddd, aaa, bbb, X[15], 8);
- III(bbb, ccc, ddd, aaa, X[ 8], 11);
- III(aaa, bbb, ccc, ddd, X[ 1], 14);
- III(ddd, aaa, bbb, ccc, X[10], 14);
- III(ccc, ddd, aaa, bbb, X[ 3], 12);
- III(bbb, ccc, ddd, aaa, X[12], 6);
-
- tmp = aa; aa = aaa; aaa = tmp;
-
- /* round 2 */
- GG(aa, bb, cc, dd, X[ 7], 7);
- GG(dd, aa, bb, cc, X[ 4], 6);
- GG(cc, dd, aa, bb, X[13], 8);
- GG(bb, cc, dd, aa, X[ 1], 13);
- GG(aa, bb, cc, dd, X[10], 11);
- GG(dd, aa, bb, cc, X[ 6], 9);
- GG(cc, dd, aa, bb, X[15], 7);
- GG(bb, cc, dd, aa, X[ 3], 15);
- GG(aa, bb, cc, dd, X[12], 7);
- GG(dd, aa, bb, cc, X[ 0], 12);
- GG(cc, dd, aa, bb, X[ 9], 15);
- GG(bb, cc, dd, aa, X[ 5], 9);
- GG(aa, bb, cc, dd, X[ 2], 11);
- GG(dd, aa, bb, cc, X[14], 7);
- GG(cc, dd, aa, bb, X[11], 13);
- GG(bb, cc, dd, aa, X[ 8], 12);
-
- /* parallel round 2 */
- HHH(aaa, bbb, ccc, ddd, X[ 6], 9);
- HHH(ddd, aaa, bbb, ccc, X[11], 13);
- HHH(ccc, ddd, aaa, bbb, X[ 3], 15);
- HHH(bbb, ccc, ddd, aaa, X[ 7], 7);
- HHH(aaa, bbb, ccc, ddd, X[ 0], 12);
- HHH(ddd, aaa, bbb, ccc, X[13], 8);
- HHH(ccc, ddd, aaa, bbb, X[ 5], 9);
- HHH(bbb, ccc, ddd, aaa, X[10], 11);
- HHH(aaa, bbb, ccc, ddd, X[14], 7);
- HHH(ddd, aaa, bbb, ccc, X[15], 7);
- HHH(ccc, ddd, aaa, bbb, X[ 8], 12);
- HHH(bbb, ccc, ddd, aaa, X[12], 7);
- HHH(aaa, bbb, ccc, ddd, X[ 4], 6);
- HHH(ddd, aaa, bbb, ccc, X[ 9], 15);
- HHH(ccc, ddd, aaa, bbb, X[ 1], 13);
- HHH(bbb, ccc, ddd, aaa, X[ 2], 11);
-
- tmp = bb; bb = bbb; bbb = tmp;
-
- /* round 3 */
- HH(aa, bb, cc, dd, X[ 3], 11);
- HH(dd, aa, bb, cc, X[10], 13);
- HH(cc, dd, aa, bb, X[14], 6);
- HH(bb, cc, dd, aa, X[ 4], 7);
- HH(aa, bb, cc, dd, X[ 9], 14);
- HH(dd, aa, bb, cc, X[15], 9);
- HH(cc, dd, aa, bb, X[ 8], 13);
- HH(bb, cc, dd, aa, X[ 1], 15);
- HH(aa, bb, cc, dd, X[ 2], 14);
- HH(dd, aa, bb, cc, X[ 7], 8);
- HH(cc, dd, aa, bb, X[ 0], 13);
- HH(bb, cc, dd, aa, X[ 6], 6);
- HH(aa, bb, cc, dd, X[13], 5);
- HH(dd, aa, bb, cc, X[11], 12);
- HH(cc, dd, aa, bb, X[ 5], 7);
- HH(bb, cc, dd, aa, X[12], 5);
-
- /* parallel round 3 */
- GGG(aaa, bbb, ccc, ddd, X[15], 9);
- GGG(ddd, aaa, bbb, ccc, X[ 5], 7);
- GGG(ccc, ddd, aaa, bbb, X[ 1], 15);
- GGG(bbb, ccc, ddd, aaa, X[ 3], 11);
- GGG(aaa, bbb, ccc, ddd, X[ 7], 8);
- GGG(ddd, aaa, bbb, ccc, X[14], 6);
- GGG(ccc, ddd, aaa, bbb, X[ 6], 6);
- GGG(bbb, ccc, ddd, aaa, X[ 9], 14);
- GGG(aaa, bbb, ccc, ddd, X[11], 12);
- GGG(ddd, aaa, bbb, ccc, X[ 8], 13);
- GGG(ccc, ddd, aaa, bbb, X[12], 5);
- GGG(bbb, ccc, ddd, aaa, X[ 2], 14);
- GGG(aaa, bbb, ccc, ddd, X[10], 13);
- GGG(ddd, aaa, bbb, ccc, X[ 0], 13);
- GGG(ccc, ddd, aaa, bbb, X[ 4], 7);
- GGG(bbb, ccc, ddd, aaa, X[13], 5);
-
- tmp = cc; cc = ccc; ccc = tmp;
-
- /* round 4 */
- II(aa, bb, cc, dd, X[ 1], 11);
- II(dd, aa, bb, cc, X[ 9], 12);
- II(cc, dd, aa, bb, X[11], 14);
- II(bb, cc, dd, aa, X[10], 15);
- II(aa, bb, cc, dd, X[ 0], 14);
- II(dd, aa, bb, cc, X[ 8], 15);
- II(cc, dd, aa, bb, X[12], 9);
- II(bb, cc, dd, aa, X[ 4], 8);
- II(aa, bb, cc, dd, X[13], 9);
- II(dd, aa, bb, cc, X[ 3], 14);
- II(cc, dd, aa, bb, X[ 7], 5);
- II(bb, cc, dd, aa, X[15], 6);
- II(aa, bb, cc, dd, X[14], 8);
- II(dd, aa, bb, cc, X[ 5], 6);
- II(cc, dd, aa, bb, X[ 6], 5);
- II(bb, cc, dd, aa, X[ 2], 12);
-
- /* parallel round 4 */
- FFF(aaa, bbb, ccc, ddd, X[ 8], 15);
- FFF(ddd, aaa, bbb, ccc, X[ 6], 5);
- FFF(ccc, ddd, aaa, bbb, X[ 4], 8);
- FFF(bbb, ccc, ddd, aaa, X[ 1], 11);
- FFF(aaa, bbb, ccc, ddd, X[ 3], 14);
- FFF(ddd, aaa, bbb, ccc, X[11], 14);
- FFF(ccc, ddd, aaa, bbb, X[15], 6);
- FFF(bbb, ccc, ddd, aaa, X[ 0], 14);
- FFF(aaa, bbb, ccc, ddd, X[ 5], 6);
- FFF(ddd, aaa, bbb, ccc, X[12], 9);
- FFF(ccc, ddd, aaa, bbb, X[ 2], 12);
- FFF(bbb, ccc, ddd, aaa, X[13], 9);
- FFF(aaa, bbb, ccc, ddd, X[ 9], 12);
- FFF(ddd, aaa, bbb, ccc, X[ 7], 5);
- FFF(ccc, ddd, aaa, bbb, X[10], 15);
- FFF(bbb, ccc, ddd, aaa, X[14], 8);
-
- tmp = dd; dd = ddd; ddd = tmp;
-
- /* combine results */
- md->rmd256.state[0] += aa;
- md->rmd256.state[1] += bb;
- md->rmd256.state[2] += cc;
- md->rmd256.state[3] += dd;
- md->rmd256.state[4] += aaa;
- md->rmd256.state[5] += bbb;
- md->rmd256.state[6] += ccc;
- md->rmd256.state[7] += ddd;
-
- return CRYPT_OK;
-}
-
-#ifdef LTC_CLEAN_STACK
-static int rmd256_compress(hash_state *md, unsigned char *buf)
-{
- int err;
- err = _rmd256_compress(md, buf);
- burn_stack(sizeof(ulong32) * 25 + sizeof(int));
- return err;
-}
-#endif
-
-/**
- Initialize the hash state
- @param md The hash state you wish to initialize
- @return CRYPT_OK if successful
-*/
-int rmd256_init(hash_state * md)
-{
- LTC_ARGCHK(md != NULL);
- md->rmd256.state[0] = 0x67452301UL;
- md->rmd256.state[1] = 0xefcdab89UL;
- md->rmd256.state[2] = 0x98badcfeUL;
- md->rmd256.state[3] = 0x10325476UL;
- md->rmd256.state[4] = 0x76543210UL;
- md->rmd256.state[5] = 0xfedcba98UL;
- md->rmd256.state[6] = 0x89abcdefUL;
- md->rmd256.state[7] = 0x01234567UL;
- md->rmd256.curlen = 0;
- md->rmd256.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(rmd256_process, rmd256_compress, rmd256, 64)
-
-/**
- Terminate the hash to get the digest
- @param md The hash state
- @param out [out] The destination of the hash (16 bytes)
- @return CRYPT_OK if successful
-*/
-int rmd256_done(hash_state * md, unsigned char *out)
-{
- int i;
-
- LTC_ARGCHK(md != NULL);
- LTC_ARGCHK(out != NULL);
-
- if (md->rmd256.curlen >= sizeof(md->rmd256.buf)) {
- return CRYPT_INVALID_ARG;
- }
-
-
- /* increase the length of the message */
- md->rmd256.length += md->rmd256.curlen * 8;
-
- /* append the '1' bit */
- md->rmd256.buf[md->rmd256.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->rmd256.curlen > 56) {
- while (md->rmd256.curlen < 64) {
- md->rmd256.buf[md->rmd256.curlen++] = (unsigned char)0;
- }
- rmd256_compress(md, md->rmd256.buf);
- md->rmd256.curlen = 0;
- }
-
- /* pad upto 56 bytes of zeroes */
- while (md->rmd256.curlen < 56) {
- md->rmd256.buf[md->rmd256.curlen++] = (unsigned char)0;
- }
-
- /* store length */
- STORE64L(md->rmd256.length, md->rmd256.buf+56);
- rmd256_compress(md, md->rmd256.buf);
-
- /* copy output */
- for (i = 0; i < 8; i++) {
- STORE32L(md->rmd256.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 rmd256_test(void)
-{
-#ifndef LTC_TEST
- return CRYPT_NOP;
-#else
- static const struct {
- const char *msg;
- unsigned char hash[32];
- } tests[] = {
- { "",
- { 0x02, 0xba, 0x4c, 0x4e, 0x5f, 0x8e, 0xcd, 0x18,
- 0x77, 0xfc, 0x52, 0xd6, 0x4d, 0x30, 0xe3, 0x7a,
- 0x2d, 0x97, 0x74, 0xfb, 0x1e, 0x5d, 0x02, 0x63,
- 0x80, 0xae, 0x01, 0x68, 0xe3, 0xc5, 0x52, 0x2d }
- },
- { "a",
- { 0xf9, 0x33, 0x3e, 0x45, 0xd8, 0x57, 0xf5, 0xd9,
- 0x0a, 0x91, 0xba, 0xb7, 0x0a, 0x1e, 0xba, 0x0c,
- 0xfb, 0x1b, 0xe4, 0xb0, 0x78, 0x3c, 0x9a, 0xcf,
- 0xcd, 0x88, 0x3a, 0x91, 0x34, 0x69, 0x29, 0x25 }
- },
- { "abc",
- { 0xaf, 0xbd, 0x6e, 0x22, 0x8b, 0x9d, 0x8c, 0xbb,
- 0xce, 0xf5, 0xca, 0x2d, 0x03, 0xe6, 0xdb, 0xa1,
- 0x0a, 0xc0, 0xbc, 0x7d, 0xcb, 0xe4, 0x68, 0x0e,
- 0x1e, 0x42, 0xd2, 0xe9, 0x75, 0x45, 0x9b, 0x65 }
- },
- { "message digest",
- { 0x87, 0xe9, 0x71, 0x75, 0x9a, 0x1c, 0xe4, 0x7a,
- 0x51, 0x4d, 0x5c, 0x91, 0x4c, 0x39, 0x2c, 0x90,
- 0x18, 0xc7, 0xc4, 0x6b, 0xc1, 0x44, 0x65, 0x55,
- 0x4a, 0xfc, 0xdf, 0x54, 0xa5, 0x07, 0x0c, 0x0e }
- },
- { "abcdefghijklmnopqrstuvwxyz",
- { 0x64, 0x9d, 0x30, 0x34, 0x75, 0x1e, 0xa2, 0x16,
- 0x77, 0x6b, 0xf9, 0xa1, 0x8a, 0xcc, 0x81, 0xbc,
- 0x78, 0x96, 0x11, 0x8a, 0x51, 0x97, 0x96, 0x87,
- 0x82, 0xdd, 0x1f, 0xd9, 0x7d, 0x8d, 0x51, 0x33 }
- },
- { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
- { 0x57, 0x40, 0xa4, 0x08, 0xac, 0x16, 0xb7, 0x20,
- 0xb8, 0x44, 0x24, 0xae, 0x93, 0x1c, 0xbb, 0x1f,
- 0xe3, 0x63, 0xd1, 0xd0, 0xbf, 0x40, 0x17, 0xf1,
- 0xa8, 0x9f, 0x7e, 0xa6, 0xde, 0x77, 0xa0, 0xb8 }
- }
- };
-
- int i;
- unsigned char tmp[32];
- hash_state md;
-
- for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) {
- rmd256_init(&md);
- rmd256_process(&md, (unsigned char *)tests[i].msg, strlen(tests[i].msg));
- rmd256_done(&md, tmp);
- if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "RIPEMD256", i)) {
- return CRYPT_FAIL_TESTVECTOR;
- }
- }
- return CRYPT_OK;
-#endif
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
projects / zpackage / blobdiff