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Diffstat (limited to 'ruby_1_8_5/ext/digest/rmd160/rmd160.c')
-rw-r--r--ruby_1_8_5/ext/digest/rmd160/rmd160.c464
1 files changed, 0 insertions, 464 deletions
diff --git a/ruby_1_8_5/ext/digest/rmd160/rmd160.c b/ruby_1_8_5/ext/digest/rmd160/rmd160.c
deleted file mode 100644
index 9562a6fe67..0000000000
--- a/ruby_1_8_5/ext/digest/rmd160/rmd160.c
+++ /dev/null
@@ -1,464 +0,0 @@
-/* $NetBSD: rmd160.c,v 1.1.1.1 2001/03/06 11:21:05 agc Exp $ */
-/* $RoughId: rmd160.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */
-/* $Id: rmd160.c,v 1.1 2001/07/13 20:06:14 knu Exp $ */
-
-/********************************************************************\
- *
- * FILE: rmd160.c
- *
- * CONTENTS: A sample C-implementation of the RIPEMD-160
- * hash-function.
- * TARGET: any computer with an ANSI C compiler
- *
- * AUTHOR: Antoon Bosselaers, ESAT-COSIC
- * (Arranged for libc by Todd C. Miller)
- * DATE: 1 March 1996
- * VERSION: 1.0
- *
- * Copyright (c) Katholieke Universiteit Leuven
- * 1996, All Rights Reserved
- *
-\********************************************************************/
-
-#include "rmd160.h"
-
-#ifndef lint
-/* __RCSID("$NetBSD: rmd160.c,v 1.1.1.1 2001/03/06 11:21:05 agc Exp $"); */
-#endif /* not lint */
-
-/* header files */
-
-#ifdef HAVE_SYS_ENDIAN_H_
-#include <sys/endian.h>
-#endif
-
-#ifdef HAVE_MACHINE_ENDIAN_H_
-#include <machine/endian.h>
-#endif
-
-/* #include "namespace.h" */
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifndef _DIAGASSERT
-#define _DIAGASSERT(cond) assert(cond)
-#endif
-
-
-/********************************************************************/
-
-/* macro definitions */
-
-/* collect four bytes into one word: */
-#define BYTES_TO_DWORD(strptr) \
- (((uint32_t) *((strptr)+3) << 24) | \
- ((uint32_t) *((strptr)+2) << 16) | \
- ((uint32_t) *((strptr)+1) << 8) | \
- ((uint32_t) *(strptr)))
-
-/* ROL(x, n) cyclically rotates x over n bits to the left */
-/* x must be of an unsigned 32 bits type and 0 <= n < 32. */
-#define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n))))
-
-/* the three 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 eight basic operations FF() through III() */
-#define FF(a, b, c, d, e, x, s) { \
- (a) += F((b), (c), (d)) + (x); \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-#define GG(a, b, c, d, e, x, s) { \
- (a) += G((b), (c), (d)) + (x) + 0x5a827999U; \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-#define HH(a, b, c, d, e, x, s) { \
- (a) += H((b), (c), (d)) + (x) + 0x6ed9eba1U; \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-#define II(a, b, c, d, e, x, s) { \
- (a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcU; \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-#define JJ(a, b, c, d, e, x, s) { \
- (a) += J((b), (c), (d)) + (x) + 0xa953fd4eU; \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-#define FFF(a, b, c, d, e, x, s) { \
- (a) += F((b), (c), (d)) + (x); \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-#define GGG(a, b, c, d, e, x, s) { \
- (a) += G((b), (c), (d)) + (x) + 0x7a6d76e9U; \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-#define HHH(a, b, c, d, e, x, s) { \
- (a) += H((b), (c), (d)) + (x) + 0x6d703ef3U; \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-#define III(a, b, c, d, e, x, s) { \
- (a) += I((b), (c), (d)) + (x) + 0x5c4dd124U; \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-#define JJJ(a, b, c, d, e, x, s) { \
- (a) += J((b), (c), (d)) + (x) + 0x50a28be6U; \
- (a) = ROL((a), (s)) + (e); \
- (c) = ROL((c), 10); \
-}
-
-/********************************************************************/
-
-void
-RMD160_Init(RMD160_CTX *context)
-{
-
- _DIAGASSERT(context != NULL);
-
- /* ripemd-160 initialization constants */
- context->state[0] = 0x67452301U;
- context->state[1] = 0xefcdab89U;
- context->state[2] = 0x98badcfeU;
- context->state[3] = 0x10325476U;
- context->state[4] = 0xc3d2e1f0U;
- context->length[0] = context->length[1] = 0;
- context->buflen = 0;
-}
-
-/********************************************************************/
-
-void
-RMD160_Transform(uint32_t state[5], const uint32_t block[16])
-{
- uint32_t aa, bb, cc, dd, ee;
- uint32_t aaa, bbb, ccc, ddd, eee;
-
- _DIAGASSERT(state != NULL);
- _DIAGASSERT(block != NULL);
-
- aa = aaa = state[0];
- bb = bbb = state[1];
- cc = ccc = state[2];
- dd = ddd = state[3];
- ee = eee = state[4];
-
- /* round 1 */
- FF(aa, bb, cc, dd, ee, block[ 0], 11);
- FF(ee, aa, bb, cc, dd, block[ 1], 14);
- FF(dd, ee, aa, bb, cc, block[ 2], 15);
- FF(cc, dd, ee, aa, bb, block[ 3], 12);
- FF(bb, cc, dd, ee, aa, block[ 4], 5);
- FF(aa, bb, cc, dd, ee, block[ 5], 8);
- FF(ee, aa, bb, cc, dd, block[ 6], 7);
- FF(dd, ee, aa, bb, cc, block[ 7], 9);
- FF(cc, dd, ee, aa, bb, block[ 8], 11);
- FF(bb, cc, dd, ee, aa, block[ 9], 13);
- FF(aa, bb, cc, dd, ee, block[10], 14);
- FF(ee, aa, bb, cc, dd, block[11], 15);
- FF(dd, ee, aa, bb, cc, block[12], 6);
- FF(cc, dd, ee, aa, bb, block[13], 7);
- FF(bb, cc, dd, ee, aa, block[14], 9);
- FF(aa, bb, cc, dd, ee, block[15], 8);
-
- /* round 2 */
- GG(ee, aa, bb, cc, dd, block[ 7], 7);
- GG(dd, ee, aa, bb, cc, block[ 4], 6);
- GG(cc, dd, ee, aa, bb, block[13], 8);
- GG(bb, cc, dd, ee, aa, block[ 1], 13);
- GG(aa, bb, cc, dd, ee, block[10], 11);
- GG(ee, aa, bb, cc, dd, block[ 6], 9);
- GG(dd, ee, aa, bb, cc, block[15], 7);
- GG(cc, dd, ee, aa, bb, block[ 3], 15);
- GG(bb, cc, dd, ee, aa, block[12], 7);
- GG(aa, bb, cc, dd, ee, block[ 0], 12);
- GG(ee, aa, bb, cc, dd, block[ 9], 15);
- GG(dd, ee, aa, bb, cc, block[ 5], 9);
- GG(cc, dd, ee, aa, bb, block[ 2], 11);
- GG(bb, cc, dd, ee, aa, block[14], 7);
- GG(aa, bb, cc, dd, ee, block[11], 13);
- GG(ee, aa, bb, cc, dd, block[ 8], 12);
-
- /* round 3 */
- HH(dd, ee, aa, bb, cc, block[ 3], 11);
- HH(cc, dd, ee, aa, bb, block[10], 13);
- HH(bb, cc, dd, ee, aa, block[14], 6);
- HH(aa, bb, cc, dd, ee, block[ 4], 7);
- HH(ee, aa, bb, cc, dd, block[ 9], 14);
- HH(dd, ee, aa, bb, cc, block[15], 9);
- HH(cc, dd, ee, aa, bb, block[ 8], 13);
- HH(bb, cc, dd, ee, aa, block[ 1], 15);
- HH(aa, bb, cc, dd, ee, block[ 2], 14);
- HH(ee, aa, bb, cc, dd, block[ 7], 8);
- HH(dd, ee, aa, bb, cc, block[ 0], 13);
- HH(cc, dd, ee, aa, bb, block[ 6], 6);
- HH(bb, cc, dd, ee, aa, block[13], 5);
- HH(aa, bb, cc, dd, ee, block[11], 12);
- HH(ee, aa, bb, cc, dd, block[ 5], 7);
- HH(dd, ee, aa, bb, cc, block[12], 5);
-
- /* round 4 */
- II(cc, dd, ee, aa, bb, block[ 1], 11);
- II(bb, cc, dd, ee, aa, block[ 9], 12);
- II(aa, bb, cc, dd, ee, block[11], 14);
- II(ee, aa, bb, cc, dd, block[10], 15);
- II(dd, ee, aa, bb, cc, block[ 0], 14);
- II(cc, dd, ee, aa, bb, block[ 8], 15);
- II(bb, cc, dd, ee, aa, block[12], 9);
- II(aa, bb, cc, dd, ee, block[ 4], 8);
- II(ee, aa, bb, cc, dd, block[13], 9);
- II(dd, ee, aa, bb, cc, block[ 3], 14);
- II(cc, dd, ee, aa, bb, block[ 7], 5);
- II(bb, cc, dd, ee, aa, block[15], 6);
- II(aa, bb, cc, dd, ee, block[14], 8);
- II(ee, aa, bb, cc, dd, block[ 5], 6);
- II(dd, ee, aa, bb, cc, block[ 6], 5);
- II(cc, dd, ee, aa, bb, block[ 2], 12);
-
- /* round 5 */
- JJ(bb, cc, dd, ee, aa, block[ 4], 9);
- JJ(aa, bb, cc, dd, ee, block[ 0], 15);
- JJ(ee, aa, bb, cc, dd, block[ 5], 5);
- JJ(dd, ee, aa, bb, cc, block[ 9], 11);
- JJ(cc, dd, ee, aa, bb, block[ 7], 6);
- JJ(bb, cc, dd, ee, aa, block[12], 8);
- JJ(aa, bb, cc, dd, ee, block[ 2], 13);
- JJ(ee, aa, bb, cc, dd, block[10], 12);
- JJ(dd, ee, aa, bb, cc, block[14], 5);
- JJ(cc, dd, ee, aa, bb, block[ 1], 12);
- JJ(bb, cc, dd, ee, aa, block[ 3], 13);
- JJ(aa, bb, cc, dd, ee, block[ 8], 14);
- JJ(ee, aa, bb, cc, dd, block[11], 11);
- JJ(dd, ee, aa, bb, cc, block[ 6], 8);
- JJ(cc, dd, ee, aa, bb, block[15], 5);
- JJ(bb, cc, dd, ee, aa, block[13], 6);
-
- /* parallel round 1 */
- JJJ(aaa, bbb, ccc, ddd, eee, block[ 5], 8);
- JJJ(eee, aaa, bbb, ccc, ddd, block[14], 9);
- JJJ(ddd, eee, aaa, bbb, ccc, block[ 7], 9);
- JJJ(ccc, ddd, eee, aaa, bbb, block[ 0], 11);
- JJJ(bbb, ccc, ddd, eee, aaa, block[ 9], 13);
- JJJ(aaa, bbb, ccc, ddd, eee, block[ 2], 15);
- JJJ(eee, aaa, bbb, ccc, ddd, block[11], 15);
- JJJ(ddd, eee, aaa, bbb, ccc, block[ 4], 5);
- JJJ(ccc, ddd, eee, aaa, bbb, block[13], 7);
- JJJ(bbb, ccc, ddd, eee, aaa, block[ 6], 7);
- JJJ(aaa, bbb, ccc, ddd, eee, block[15], 8);
- JJJ(eee, aaa, bbb, ccc, ddd, block[ 8], 11);
- JJJ(ddd, eee, aaa, bbb, ccc, block[ 1], 14);
- JJJ(ccc, ddd, eee, aaa, bbb, block[10], 14);
- JJJ(bbb, ccc, ddd, eee, aaa, block[ 3], 12);
- JJJ(aaa, bbb, ccc, ddd, eee, block[12], 6);
-
- /* parallel round 2 */
- III(eee, aaa, bbb, ccc, ddd, block[ 6], 9);
- III(ddd, eee, aaa, bbb, ccc, block[11], 13);
- III(ccc, ddd, eee, aaa, bbb, block[ 3], 15);
- III(bbb, ccc, ddd, eee, aaa, block[ 7], 7);
- III(aaa, bbb, ccc, ddd, eee, block[ 0], 12);
- III(eee, aaa, bbb, ccc, ddd, block[13], 8);
- III(ddd, eee, aaa, bbb, ccc, block[ 5], 9);
- III(ccc, ddd, eee, aaa, bbb, block[10], 11);
- III(bbb, ccc, ddd, eee, aaa, block[14], 7);
- III(aaa, bbb, ccc, ddd, eee, block[15], 7);
- III(eee, aaa, bbb, ccc, ddd, block[ 8], 12);
- III(ddd, eee, aaa, bbb, ccc, block[12], 7);
- III(ccc, ddd, eee, aaa, bbb, block[ 4], 6);
- III(bbb, ccc, ddd, eee, aaa, block[ 9], 15);
- III(aaa, bbb, ccc, ddd, eee, block[ 1], 13);
- III(eee, aaa, bbb, ccc, ddd, block[ 2], 11);
-
- /* parallel round 3 */
- HHH(ddd, eee, aaa, bbb, ccc, block[15], 9);
- HHH(ccc, ddd, eee, aaa, bbb, block[ 5], 7);
- HHH(bbb, ccc, ddd, eee, aaa, block[ 1], 15);
- HHH(aaa, bbb, ccc, ddd, eee, block[ 3], 11);
- HHH(eee, aaa, bbb, ccc, ddd, block[ 7], 8);
- HHH(ddd, eee, aaa, bbb, ccc, block[14], 6);
- HHH(ccc, ddd, eee, aaa, bbb, block[ 6], 6);
- HHH(bbb, ccc, ddd, eee, aaa, block[ 9], 14);
- HHH(aaa, bbb, ccc, ddd, eee, block[11], 12);
- HHH(eee, aaa, bbb, ccc, ddd, block[ 8], 13);
- HHH(ddd, eee, aaa, bbb, ccc, block[12], 5);
- HHH(ccc, ddd, eee, aaa, bbb, block[ 2], 14);
- HHH(bbb, ccc, ddd, eee, aaa, block[10], 13);
- HHH(aaa, bbb, ccc, ddd, eee, block[ 0], 13);
- HHH(eee, aaa, bbb, ccc, ddd, block[ 4], 7);
- HHH(ddd, eee, aaa, bbb, ccc, block[13], 5);
-
- /* parallel round 4 */
- GGG(ccc, ddd, eee, aaa, bbb, block[ 8], 15);
- GGG(bbb, ccc, ddd, eee, aaa, block[ 6], 5);
- GGG(aaa, bbb, ccc, ddd, eee, block[ 4], 8);
- GGG(eee, aaa, bbb, ccc, ddd, block[ 1], 11);
- GGG(ddd, eee, aaa, bbb, ccc, block[ 3], 14);
- GGG(ccc, ddd, eee, aaa, bbb, block[11], 14);
- GGG(bbb, ccc, ddd, eee, aaa, block[15], 6);
- GGG(aaa, bbb, ccc, ddd, eee, block[ 0], 14);
- GGG(eee, aaa, bbb, ccc, ddd, block[ 5], 6);
- GGG(ddd, eee, aaa, bbb, ccc, block[12], 9);
- GGG(ccc, ddd, eee, aaa, bbb, block[ 2], 12);
- GGG(bbb, ccc, ddd, eee, aaa, block[13], 9);
- GGG(aaa, bbb, ccc, ddd, eee, block[ 9], 12);
- GGG(eee, aaa, bbb, ccc, ddd, block[ 7], 5);
- GGG(ddd, eee, aaa, bbb, ccc, block[10], 15);
- GGG(ccc, ddd, eee, aaa, bbb, block[14], 8);
-
- /* parallel round 5 */
- FFF(bbb, ccc, ddd, eee, aaa, block[12] , 8);
- FFF(aaa, bbb, ccc, ddd, eee, block[15] , 5);
- FFF(eee, aaa, bbb, ccc, ddd, block[10] , 12);
- FFF(ddd, eee, aaa, bbb, ccc, block[ 4] , 9);
- FFF(ccc, ddd, eee, aaa, bbb, block[ 1] , 12);
- FFF(bbb, ccc, ddd, eee, aaa, block[ 5] , 5);
- FFF(aaa, bbb, ccc, ddd, eee, block[ 8] , 14);
- FFF(eee, aaa, bbb, ccc, ddd, block[ 7] , 6);
- FFF(ddd, eee, aaa, bbb, ccc, block[ 6] , 8);
- FFF(ccc, ddd, eee, aaa, bbb, block[ 2] , 13);
- FFF(bbb, ccc, ddd, eee, aaa, block[13] , 6);
- FFF(aaa, bbb, ccc, ddd, eee, block[14] , 5);
- FFF(eee, aaa, bbb, ccc, ddd, block[ 0] , 15);
- FFF(ddd, eee, aaa, bbb, ccc, block[ 3] , 13);
- FFF(ccc, ddd, eee, aaa, bbb, block[ 9] , 11);
- FFF(bbb, ccc, ddd, eee, aaa, block[11] , 11);
-
- /* combine results */
- ddd += cc + state[1]; /* final result for state[0] */
- state[1] = state[2] + dd + eee;
- state[2] = state[3] + ee + aaa;
- state[3] = state[4] + aa + bbb;
- state[4] = state[0] + bb + ccc;
- state[0] = ddd;
-}
-
-/********************************************************************/
-
-void
-RMD160_Update(RMD160_CTX *context, const uint8_t *data, size_t nbytes)
-{
- uint32_t X[16];
- uint32_t ofs = 0;
- uint32_t i;
-#ifdef WORDS_BIGENDIAN
- uint32_t j;
-#endif
-
- _DIAGASSERT(context != NULL);
- _DIAGASSERT(data != NULL);
-
- /* update length[] */
- if (context->length[0] + nbytes < context->length[0])
- context->length[1]++; /* overflow to msb of length */
- context->length[0] += nbytes;
-
- (void)memset(X, 0, sizeof(X));
-
- if ( context->buflen + nbytes < 64 )
- {
- (void)memcpy(context->bbuffer + context->buflen, data, nbytes);
- context->buflen += nbytes;
- }
- else
- {
- /* process first block */
- ofs = 64 - context->buflen;
- (void)memcpy(context->bbuffer + context->buflen, data, ofs);
-#ifndef WORDS_BIGENDIAN
- (void)memcpy(X, context->bbuffer, sizeof(X));
-#else
- for (j=0; j < 16; j++)
- X[j] = BYTES_TO_DWORD(context->bbuffer + (4 * j));
-#endif
- RMD160_Transform(context->state, X);
- nbytes -= ofs;
-
- /* process remaining complete blocks */
- for (i = 0; i < (nbytes >> 6); i++) {
-#ifndef WORDS_BIGENDIAN
- (void)memcpy(X, data + (64 * i) + ofs, sizeof(X));
-#else
- for (j=0; j < 16; j++)
- X[j] = BYTES_TO_DWORD(data + (64 * i) + (4 * j) + ofs);
-#endif
- RMD160_Transform(context->state, X);
- }
-
- /*
- * Put last bytes from data into context's buffer
- */
- context->buflen = nbytes & 63;
- memcpy(context->bbuffer, data + (64 * i) + ofs, context->buflen);
- }
-}
-
-/********************************************************************/
-
-void
-RMD160_Final(uint8_t digest[20], RMD160_CTX *context)
-{
- uint32_t i;
- uint32_t X[16];
-#ifdef WORDS_BIGENDIAN
- uint32_t j;
-#endif
-
- _DIAGASSERT(digest != NULL);
- _DIAGASSERT(context != NULL);
-
- /* append the bit m_n == 1 */
- context->bbuffer[context->buflen] = (uint8_t)'\200';
-
- (void)memset(context->bbuffer + context->buflen + 1, 0,
- 63 - context->buflen);
-#ifndef WORDS_BIGENDIAN
- (void)memcpy(X, context->bbuffer, sizeof(X));
-#else
- for (j=0; j < 16; j++)
- X[j] = BYTES_TO_DWORD(context->bbuffer + (4 * j));
-#endif
- if ((context->buflen) > 55) {
- /* length goes to next block */
- RMD160_Transform(context->state, X);
- (void)memset(X, 0, sizeof(X));
- }
-
- /* append length in bits */
- X[14] = context->length[0] << 3;
- X[15] = (context->length[0] >> 29) |
- (context->length[1] << 3);
- RMD160_Transform(context->state, X);
-
- if (digest != NULL) {
- for (i = 0; i < 20; i += 4) {
- /* extracts the 8 least significant bits. */
- digest[i] = context->state[i>>2];
- digest[i + 1] = (context->state[i>>2] >> 8);
- digest[i + 2] = (context->state[i>>2] >> 16);
- digest[i + 3] = (context->state[i>>2] >> 24);
- }
- }
-}
-
-int RMD160_Equal(RMD160_CTX* pctx1, RMD160_CTX* pctx2) {
- return pctx1->buflen == pctx2->buflen
- && memcmp(pctx1->length, pctx2->length, sizeof(pctx1->length)) == 0
- && memcmp(pctx1->state, pctx2->state, sizeof(pctx1->state)) == 0
- && memcmp(pctx1->bbuffer, pctx2->bbuffer, sizeof(pctx1->bbuffer)) == 0;
-}
-
-/************************ end of file rmd160.c **********************/