434 lines
14 KiB
C
434 lines
14 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org
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*/
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/* Implementation of RIPEMD-160 based on the source by Antoon Bosselaers, ESAT-COSIC
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*
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* This source has been radically overhauled to be portable and work within
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* the LibTomCrypt API by Tom St Denis
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*/
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#include "mycrypt.h"
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#ifdef RIPEMD160
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const struct _hash_descriptor rmd160_desc =
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{
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"rmd160",
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9,
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20,
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64,
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/* DER identifier */
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{ 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x24,
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0x03, 0x02, 0x01, 0x05, 0x00, 0x04, 0x14 },
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15,
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&rmd160_init,
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&rmd160_process,
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&rmd160_done,
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&rmd160_test
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};
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/* the five basic functions F(), G() and H() */
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#define F(x, y, z) ((x) ^ (y) ^ (z))
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#define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
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#define H(x, y, z) (((x) | ~(y)) ^ (z))
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#define I(x, y, z) (((x) & (z)) | ((y) & ~(z)))
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#define J(x, y, z) ((x) ^ ((y) | ~(z)))
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/* the ten basic operations FF() through III() */
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#define FF(a, b, c, d, e, x, s) \
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(a) += F((b), (c), (d)) + (x);\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#define GG(a, b, c, d, e, x, s) \
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(a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#define HH(a, b, c, d, e, x, s) \
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(a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#define II(a, b, c, d, e, x, s) \
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(a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#define JJ(a, b, c, d, e, x, s) \
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(a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#define FFF(a, b, c, d, e, x, s) \
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(a) += F((b), (c), (d)) + (x);\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#define GGG(a, b, c, d, e, x, s) \
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(a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#define HHH(a, b, c, d, e, x, s) \
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(a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#define III(a, b, c, d, e, x, s) \
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(a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#define JJJ(a, b, c, d, e, x, s) \
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(a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\
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(a) = ROL((a), (s)) + (e);\
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(c) = ROL((c), 10);
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#ifdef CLEAN_STACK
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static void _rmd160_compress(hash_state *md, unsigned char *buf)
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#else
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static void rmd160_compress(hash_state *md, unsigned char *buf)
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#endif
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{
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ulong32 aa,bb,cc,dd,ee,aaa,bbb,ccc,ddd,eee,X[16];
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int i;
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/* load words X */
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for (i = 0; i < 16; i++){
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LOAD32L(X[i], buf + (4 * i));
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}
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/* load state */
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aa = aaa = md->rmd160.state[0];
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bb = bbb = md->rmd160.state[1];
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cc = ccc = md->rmd160.state[2];
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dd = ddd = md->rmd160.state[3];
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ee = eee = md->rmd160.state[4];
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/* round 1 */
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FF(aa, bb, cc, dd, ee, X[ 0], 11);
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FF(ee, aa, bb, cc, dd, X[ 1], 14);
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FF(dd, ee, aa, bb, cc, X[ 2], 15);
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FF(cc, dd, ee, aa, bb, X[ 3], 12);
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FF(bb, cc, dd, ee, aa, X[ 4], 5);
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FF(aa, bb, cc, dd, ee, X[ 5], 8);
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FF(ee, aa, bb, cc, dd, X[ 6], 7);
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FF(dd, ee, aa, bb, cc, X[ 7], 9);
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FF(cc, dd, ee, aa, bb, X[ 8], 11);
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FF(bb, cc, dd, ee, aa, X[ 9], 13);
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FF(aa, bb, cc, dd, ee, X[10], 14);
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FF(ee, aa, bb, cc, dd, X[11], 15);
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FF(dd, ee, aa, bb, cc, X[12], 6);
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FF(cc, dd, ee, aa, bb, X[13], 7);
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FF(bb, cc, dd, ee, aa, X[14], 9);
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FF(aa, bb, cc, dd, ee, X[15], 8);
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/* round 2 */
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GG(ee, aa, bb, cc, dd, X[ 7], 7);
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GG(dd, ee, aa, bb, cc, X[ 4], 6);
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GG(cc, dd, ee, aa, bb, X[13], 8);
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GG(bb, cc, dd, ee, aa, X[ 1], 13);
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GG(aa, bb, cc, dd, ee, X[10], 11);
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GG(ee, aa, bb, cc, dd, X[ 6], 9);
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GG(dd, ee, aa, bb, cc, X[15], 7);
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GG(cc, dd, ee, aa, bb, X[ 3], 15);
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GG(bb, cc, dd, ee, aa, X[12], 7);
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GG(aa, bb, cc, dd, ee, X[ 0], 12);
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GG(ee, aa, bb, cc, dd, X[ 9], 15);
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GG(dd, ee, aa, bb, cc, X[ 5], 9);
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GG(cc, dd, ee, aa, bb, X[ 2], 11);
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GG(bb, cc, dd, ee, aa, X[14], 7);
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GG(aa, bb, cc, dd, ee, X[11], 13);
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GG(ee, aa, bb, cc, dd, X[ 8], 12);
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/* round 3 */
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HH(dd, ee, aa, bb, cc, X[ 3], 11);
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HH(cc, dd, ee, aa, bb, X[10], 13);
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HH(bb, cc, dd, ee, aa, X[14], 6);
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HH(aa, bb, cc, dd, ee, X[ 4], 7);
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HH(ee, aa, bb, cc, dd, X[ 9], 14);
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HH(dd, ee, aa, bb, cc, X[15], 9);
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HH(cc, dd, ee, aa, bb, X[ 8], 13);
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HH(bb, cc, dd, ee, aa, X[ 1], 15);
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HH(aa, bb, cc, dd, ee, X[ 2], 14);
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HH(ee, aa, bb, cc, dd, X[ 7], 8);
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HH(dd, ee, aa, bb, cc, X[ 0], 13);
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HH(cc, dd, ee, aa, bb, X[ 6], 6);
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HH(bb, cc, dd, ee, aa, X[13], 5);
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HH(aa, bb, cc, dd, ee, X[11], 12);
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HH(ee, aa, bb, cc, dd, X[ 5], 7);
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HH(dd, ee, aa, bb, cc, X[12], 5);
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/* round 4 */
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II(cc, dd, ee, aa, bb, X[ 1], 11);
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II(bb, cc, dd, ee, aa, X[ 9], 12);
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II(aa, bb, cc, dd, ee, X[11], 14);
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II(ee, aa, bb, cc, dd, X[10], 15);
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II(dd, ee, aa, bb, cc, X[ 0], 14);
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II(cc, dd, ee, aa, bb, X[ 8], 15);
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II(bb, cc, dd, ee, aa, X[12], 9);
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II(aa, bb, cc, dd, ee, X[ 4], 8);
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II(ee, aa, bb, cc, dd, X[13], 9);
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II(dd, ee, aa, bb, cc, X[ 3], 14);
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II(cc, dd, ee, aa, bb, X[ 7], 5);
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II(bb, cc, dd, ee, aa, X[15], 6);
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II(aa, bb, cc, dd, ee, X[14], 8);
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II(ee, aa, bb, cc, dd, X[ 5], 6);
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II(dd, ee, aa, bb, cc, X[ 6], 5);
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II(cc, dd, ee, aa, bb, X[ 2], 12);
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/* round 5 */
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JJ(bb, cc, dd, ee, aa, X[ 4], 9);
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JJ(aa, bb, cc, dd, ee, X[ 0], 15);
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JJ(ee, aa, bb, cc, dd, X[ 5], 5);
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JJ(dd, ee, aa, bb, cc, X[ 9], 11);
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JJ(cc, dd, ee, aa, bb, X[ 7], 6);
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JJ(bb, cc, dd, ee, aa, X[12], 8);
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JJ(aa, bb, cc, dd, ee, X[ 2], 13);
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JJ(ee, aa, bb, cc, dd, X[10], 12);
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JJ(dd, ee, aa, bb, cc, X[14], 5);
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JJ(cc, dd, ee, aa, bb, X[ 1], 12);
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JJ(bb, cc, dd, ee, aa, X[ 3], 13);
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JJ(aa, bb, cc, dd, ee, X[ 8], 14);
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JJ(ee, aa, bb, cc, dd, X[11], 11);
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JJ(dd, ee, aa, bb, cc, X[ 6], 8);
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JJ(cc, dd, ee, aa, bb, X[15], 5);
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JJ(bb, cc, dd, ee, aa, X[13], 6);
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/* parallel round 1 */
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JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
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JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
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JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
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JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
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JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
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JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
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JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
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JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
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JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
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JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
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JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
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JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
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JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
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JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
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JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
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JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
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/* parallel round 2 */
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III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
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III(ddd, eee, aaa, bbb, ccc, X[11], 13);
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III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
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III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
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III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
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III(eee, aaa, bbb, ccc, ddd, X[13], 8);
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III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
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III(ccc, ddd, eee, aaa, bbb, X[10], 11);
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III(bbb, ccc, ddd, eee, aaa, X[14], 7);
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III(aaa, bbb, ccc, ddd, eee, X[15], 7);
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III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
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III(ddd, eee, aaa, bbb, ccc, X[12], 7);
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III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
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III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
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III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
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III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
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/* parallel round 3 */
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HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
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HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
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HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
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HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
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HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
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HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
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HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
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HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
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HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
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HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
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HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
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HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
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HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
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HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
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HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
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HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
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/* parallel round 4 */
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GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
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GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
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GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
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GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
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GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
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GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
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GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
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GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
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GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
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GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
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GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
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GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
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GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
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GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
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GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
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GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
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/* parallel round 5 */
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FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
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FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
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FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
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FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
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FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
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FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
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FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
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FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
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FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
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FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
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FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
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FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
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FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
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FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
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FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
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FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
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/* combine results */
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ddd += cc + md->rmd160.state[1]; /* final result for md->rmd160.state[0] */
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md->rmd160.state[1] = md->rmd160.state[2] + dd + eee;
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md->rmd160.state[2] = md->rmd160.state[3] + ee + aaa;
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md->rmd160.state[3] = md->rmd160.state[4] + aa + bbb;
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md->rmd160.state[4] = md->rmd160.state[0] + bb + ccc;
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md->rmd160.state[0] = ddd;
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}
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#ifdef CLEAN_STACK
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static void rmd160_compress(hash_state *md, unsigned char *buf)
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{
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_rmd160_compress(md, buf);
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burn_stack(sizeof(ulong32) * 26 + sizeof(int));
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}
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#endif
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void rmd160_init(hash_state * md)
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{
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_ARGCHK(md != NULL);
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md->rmd160.state[0] = 0x67452301UL;
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md->rmd160.state[1] = 0xefcdab89UL;
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md->rmd160.state[2] = 0x98badcfeUL;
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md->rmd160.state[3] = 0x10325476UL;
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md->rmd160.state[4] = 0xc3d2e1f0UL;
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md->rmd160.curlen = 0;
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md->rmd160.length = 0;
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}
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HASH_PROCESS(rmd160_process, rmd160_compress, rmd160, 64)
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int rmd160_done(hash_state * md, unsigned char *hash)
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{
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int i;
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_ARGCHK(md != NULL);
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_ARGCHK(hash != NULL);
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if (md->rmd160.curlen >= sizeof(md->rmd160.buf)) {
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return CRYPT_INVALID_ARG;
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}
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/* increase the length of the message */
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md->rmd160.length += md->rmd160.curlen * 8;
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/* append the '1' bit */
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md->rmd160.buf[md->rmd160.curlen++] = (unsigned char)0x80;
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/* if the length is currently above 56 bytes we append zeros
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* then compress. Then we can fall back to padding zeros and length
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* encoding like normal.
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*/
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if (md->rmd160.curlen > 56) {
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while (md->rmd160.curlen < 64) {
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md->rmd160.buf[md->rmd160.curlen++] = (unsigned char)0;
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}
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rmd160_compress(md, md->rmd160.buf);
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md->rmd160.curlen = 0;
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}
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/* pad upto 56 bytes of zeroes */
|
|
while (md->rmd160.curlen < 56) {
|
|
md->rmd160.buf[md->rmd160.curlen++] = (unsigned char)0;
|
|
}
|
|
|
|
/* store length */
|
|
STORE64L(md->rmd160.length, md->rmd160.buf+56);
|
|
rmd160_compress(md, md->rmd160.buf);
|
|
|
|
/* copy output */
|
|
for (i = 0; i < 5; i++) {
|
|
STORE32L(md->rmd160.state[i], hash+(4*i));
|
|
}
|
|
#ifdef CLEAN_STACK
|
|
zeromem(md, sizeof(hash_state));
|
|
#endif
|
|
return CRYPT_OK;
|
|
}
|
|
|
|
int rmd160_test(void)
|
|
{
|
|
#ifndef LTC_TEST
|
|
return CRYPT_NOP;
|
|
#else
|
|
static const struct {
|
|
char *msg;
|
|
unsigned char md[20];
|
|
} tests[] = {
|
|
{ "",
|
|
{ 0x9c, 0x11, 0x85, 0xa5, 0xc5, 0xe9, 0xfc, 0x54, 0x61, 0x28,
|
|
0x08, 0x97, 0x7e, 0xe8, 0xf5, 0x48, 0xb2, 0x25, 0x8d, 0x31 }
|
|
},
|
|
{ "a",
|
|
{ 0x0b, 0xdc, 0x9d, 0x2d, 0x25, 0x6b, 0x3e, 0xe9, 0xda, 0xae,
|
|
0x34, 0x7b, 0xe6, 0xf4, 0xdc, 0x83, 0x5a, 0x46, 0x7f, 0xfe }
|
|
},
|
|
{ "abc",
|
|
{ 0x8e, 0xb2, 0x08, 0xf7, 0xe0, 0x5d, 0x98, 0x7a, 0x9b, 0x04,
|
|
0x4a, 0x8e, 0x98, 0xc6, 0xb0, 0x87, 0xf1, 0x5a, 0x0b, 0xfc }
|
|
},
|
|
{ "message digest",
|
|
{ 0x5d, 0x06, 0x89, 0xef, 0x49, 0xd2, 0xfa, 0xe5, 0x72, 0xb8,
|
|
0x81, 0xb1, 0x23, 0xa8, 0x5f, 0xfa, 0x21, 0x59, 0x5f, 0x36 }
|
|
},
|
|
{ "abcdefghijklmnopqrstuvwxyz",
|
|
{ 0xf7, 0x1c, 0x27, 0x10, 0x9c, 0x69, 0x2c, 0x1b, 0x56, 0xbb,
|
|
0xdc, 0xeb, 0x5b, 0x9d, 0x28, 0x65, 0xb3, 0x70, 0x8d, 0xbc }
|
|
},
|
|
{ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
|
|
{ 0x12, 0xa0, 0x53, 0x38, 0x4a, 0x9c, 0x0c, 0x88, 0xe4, 0x05,
|
|
0xa0, 0x6c, 0x27, 0xdc, 0xf4, 0x9a, 0xda, 0x62, 0xeb, 0x2b }
|
|
}
|
|
};
|
|
int x;
|
|
unsigned char buf[20];
|
|
hash_state md;
|
|
|
|
for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
|
|
rmd160_init(&md);
|
|
rmd160_process(&md, (unsigned char *)tests[x].msg, strlen(tests[x].msg));
|
|
rmd160_done(&md, buf);
|
|
if (memcmp(buf, tests[x].md, 20) != 0) {
|
|
#if 0
|
|
printf("Failed test %d\n", x);
|
|
#endif
|
|
return CRYPT_FAIL_TESTVECTOR;
|
|
}
|
|
}
|
|
return CRYPT_OK;
|
|
#endif
|
|
}
|
|
|
|
#endif
|
|
|