+++ /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 rmd128.c
- RMD128 Hash function
-*/
-
-/* Implementation of LTC_RIPEMD-128 based on the source by Antoon Bosselaers, ESAT-COSIC
- *
- * This source has been radically overhauled to be portable and work within
- * the LibTomCrypt API by Tom St Denis
- */
-
-#ifdef LTC_RIPEMD128
-
-const struct ltc_hash_descriptor rmd128_desc =
-{
- "rmd128",
- 8,
- 16,
- 64,
-
- /* OID */
- { 1, 0, 10118, 3, 0, 50 },
- 6,
-
- &rmd128_init,
- &rmd128_process,
- &rmd128_done,
- &rmd128_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 _rmd128_compress(hash_state *md, unsigned char *buf)
-#else
-static int rmd128_compress(hash_state *md, unsigned char *buf)
-#endif
-{
- ulong32 aa,bb,cc,dd,aaa,bbb,ccc,ddd,X[16];
- int i;
-
- /* load words X */
- for (i = 0; i < 16; i++){
- LOAD32L(X[i], buf + (4 * i));
- }
-
- /* load state */
- aa = aaa = md->rmd128.state[0];
- bb = bbb = md->rmd128.state[1];
- cc = ccc = md->rmd128.state[2];
- dd = ddd = md->rmd128.state[3];
-
- /* 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);
-
- /* 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);
-
- /* 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);
-
- /* 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 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);
-
- /* 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);
-
- /* 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);
-
- /* 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);
-
- /* combine results */
- ddd += cc + md->rmd128.state[1]; /* final result for MDbuf[0] */
- md->rmd128.state[1] = md->rmd128.state[2] + dd + aaa;
- md->rmd128.state[2] = md->rmd128.state[3] + aa + bbb;
- md->rmd128.state[3] = md->rmd128.state[0] + bb + ccc;
- md->rmd128.state[0] = ddd;
-
- return CRYPT_OK;
-}
-
-#ifdef LTC_CLEAN_STACK
-static int rmd128_compress(hash_state *md, unsigned char *buf)
-{
- int err;
- err = _rmd128_compress(md, buf);
- burn_stack(sizeof(ulong32) * 24 + sizeof(int));
- return err;
-}
-#endif
-
-/**
- Initialize the hash state
- @param md The hash state you wish to initialize
- @return CRYPT_OK if successful
-*/
-int rmd128_init(hash_state * md)
-{
- LTC_ARGCHK(md != NULL);
- md->rmd128.state[0] = 0x67452301UL;
- md->rmd128.state[1] = 0xefcdab89UL;
- md->rmd128.state[2] = 0x98badcfeUL;
- md->rmd128.state[3] = 0x10325476UL;
- md->rmd128.curlen = 0;
- md->rmd128.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(rmd128_process, rmd128_compress, rmd128, 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 rmd128_done(hash_state * md, unsigned char *out)
-{
- int i;
-
- LTC_ARGCHK(md != NULL);
- LTC_ARGCHK(out != NULL);
-
- if (md->rmd128.curlen >= sizeof(md->rmd128.buf)) {
- return CRYPT_INVALID_ARG;
- }
-
-
- /* increase the length of the message */
- md->rmd128.length += md->rmd128.curlen * 8;
-
- /* append the '1' bit */
- md->rmd128.buf[md->rmd128.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->rmd128.curlen > 56) {
- while (md->rmd128.curlen < 64) {
- md->rmd128.buf[md->rmd128.curlen++] = (unsigned char)0;
- }
- rmd128_compress(md, md->rmd128.buf);
- md->rmd128.curlen = 0;
- }
-
- /* pad upto 56 bytes of zeroes */
- while (md->rmd128.curlen < 56) {
- md->rmd128.buf[md->rmd128.curlen++] = (unsigned char)0;
- }
-
- /* store length */
- STORE64L(md->rmd128.length, md->rmd128.buf+56);
- rmd128_compress(md, md->rmd128.buf);
-
- /* copy output */
- for (i = 0; i < 4; i++) {
- STORE32L(md->rmd128.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 rmd128_test(void)
-{
-#ifndef LTC_TEST
- return CRYPT_NOP;
-#else
- static const struct {
- const char *msg;
- unsigned char hash[16];
- } tests[] = {
- { "",
- { 0xcd, 0xf2, 0x62, 0x13, 0xa1, 0x50, 0xdc, 0x3e,
- 0xcb, 0x61, 0x0f, 0x18, 0xf6, 0xb3, 0x8b, 0x46 }
- },
- { "a",
- { 0x86, 0xbe, 0x7a, 0xfa, 0x33, 0x9d, 0x0f, 0xc7,
- 0xcf, 0xc7, 0x85, 0xe7, 0x2f, 0x57, 0x8d, 0x33 }
- },
- { "abc",
- { 0xc1, 0x4a, 0x12, 0x19, 0x9c, 0x66, 0xe4, 0xba,
- 0x84, 0x63, 0x6b, 0x0f, 0x69, 0x14, 0x4c, 0x77 }
- },
- { "message digest",
- { 0x9e, 0x32, 0x7b, 0x3d, 0x6e, 0x52, 0x30, 0x62,
- 0xaf, 0xc1, 0x13, 0x2d, 0x7d, 0xf9, 0xd1, 0xb8 }
- },
- { "abcdefghijklmnopqrstuvwxyz",
- { 0xfd, 0x2a, 0xa6, 0x07, 0xf7, 0x1d, 0xc8, 0xf5,
- 0x10, 0x71, 0x49, 0x22, 0xb3, 0x71, 0x83, 0x4e }
- },
- { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
- { 0xd1, 0xe9, 0x59, 0xeb, 0x17, 0x9c, 0x91, 0x1f,
- 0xae, 0xa4, 0x62, 0x4c, 0x60, 0xc5, 0xc7, 0x02 }
- }
- };
-
- int i;
- unsigned char tmp[16];
- hash_state md;
-
- for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) {
- rmd128_init(&md);
- rmd128_process(&md, (unsigned char *)tests[i].msg, strlen(tests[i].msg));
- rmd128_done(&md, tmp);
- if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "RIPEMD128", i)) {
- return CRYPT_FAIL_TESTVECTOR;
- }
- }
- return CRYPT_OK;
-#endif
-}
-
-#endif
-
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
projects / zpackage / blobdiff