diff options
Diffstat (limited to 'libtomcrypt/src/hashes/rmd128.c')
| -rw-r--r-- | libtomcrypt/src/hashes/rmd128.c | 50 |
1 files changed, 23 insertions, 27 deletions
diff --git a/libtomcrypt/src/hashes/rmd128.c b/libtomcrypt/src/hashes/rmd128.c index 58ae927..df1af1a 100644 --- a/libtomcrypt/src/hashes/rmd128.c +++ b/libtomcrypt/src/hashes/rmd128.c @@ -5,15 +5,13 @@ * * The library is free for all purposes without any express * guarantee it works. - * - * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" /** @param rmd128.c RMD128 Hash function -*/ +*/ /* Implementation of LTC_RIPEMD-128 based on the source by Antoon Bosselaers, ESAT-COSIC * @@ -42,11 +40,11 @@ const struct ltc_hash_descriptor rmd128_desc = }; /* 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 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 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);\ @@ -88,7 +86,7 @@ static int rmd128_compress(hash_state *md, unsigned char *buf) { 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)); @@ -117,7 +115,7 @@ static int rmd128_compress(hash_state *md, unsigned char *buf) 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); @@ -173,7 +171,7 @@ static int rmd128_compress(hash_state *md, unsigned char *buf) II(bb, cc, dd, aa, X[ 2], 12); /* parallel round 1 */ - III(aaa, bbb, ccc, ddd, X[ 5], 8); + 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); @@ -208,7 +206,7 @@ static int rmd128_compress(hash_state *md, unsigned char *buf) HHH(ccc, ddd, aaa, bbb, X[ 1], 13); HHH(bbb, ccc, ddd, aaa, X[ 2], 11); - /* parallel round 3 */ + /* 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); @@ -342,21 +340,21 @@ int rmd128_done(hash_state * md, unsigned char *out) #ifdef LTC_CLEAN_STACK zeromem(md, sizeof(hash_state)); #endif - return CRYPT_OK; + 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 { - char *msg; - unsigned char md[16]; + const char *msg; + unsigned char hash[16]; } tests[] = { { "", { 0xcd, 0xf2, 0x62, 0x13, 0xa1, 0x50, 0xdc, 0x3e, @@ -383,18 +381,16 @@ int rmd128_test(void) 0xae, 0xa4, 0x62, 0x4c, 0x60, 0xc5, 0xc7, 0x02 } } }; - int x; - unsigned char buf[16]; + + int i; + unsigned char tmp[16]; hash_state md; - for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) { + for (i = 0; i < (int)(sizeof(tests)/sizeof(tests[0])); i++) { rmd128_init(&md); - rmd128_process(&md, (unsigned char *)tests[x].msg, strlen(tests[x].msg)); - rmd128_done(&md, buf); - if (XMEMCMP(buf, tests[x].md, 16) != 0) { - #if 0 - printf("Failed test %d\n", x); - #endif + 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; } } @@ -405,6 +401,6 @@ int rmd128_test(void) #endif -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ |