From 6175ca03be6d0d51359f9017123708987d0f5eb7 Mon Sep 17 00:00:00 2001 From: shyouhei Date: Wed, 15 Aug 2007 23:23:39 +0000 Subject: add tag v1_8_5_91 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_91@13046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ruby_1_8_5/ext/digest/rmd160/rmd160.c | 464 ++++++++++++++++++++++++++++++++++ 1 file changed, 464 insertions(+) create mode 100644 ruby_1_8_5/ext/digest/rmd160/rmd160.c (limited to 'ruby_1_8_5/ext/digest/rmd160/rmd160.c') diff --git a/ruby_1_8_5/ext/digest/rmd160/rmd160.c b/ruby_1_8_5/ext/digest/rmd160/rmd160.c new file mode 100644 index 0000000000..9562a6fe67 --- /dev/null +++ b/ruby_1_8_5/ext/digest/rmd160/rmd160.c @@ -0,0 +1,464 @@ +/* $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 +#endif + +#ifdef HAVE_MACHINE_ENDIAN_H_ +#include +#endif + +/* #include "namespace.h" */ + +#include +#include +#include +#include + +#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 **********************/ -- cgit v1.2.3