summaryrefslogtreecommitdiff
path: root/ext/digest/rmd160
diff options
context:
space:
mode:
authorknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-07-13 20:06:14 +0000
committerknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2001-07-13 20:06:14 +0000
commit76d7dae26ab8b56dbafcec710fc42a5fb7d79840 (patch)
tree513cc8df433c60ad0d6249388a38ade5a651188e /ext/digest/rmd160
parent6ecd6fe37bf6395850d3825bab3fb88d5d345c82 (diff)
Import the "digest" module and the submodules, from the Rough Ruby
project. ext/digest: This module provides the module Digest and the abstract class Digest::Base. ext/digest/md5 (which obsoletes ext/md5): This module provides the class Digest::MD5 which implements the MD5 Message-Digest Algorithm. ext/digest/rmd160: This module provides the class Digest::RMD160 which implements the RIPEMD-160 cryptographic hash function. ext/digest/sha1 (which obsoletes ext/sha1): This module provides the class Digest::SHA1 which implements the SHA-1 Secure Hash Algorithm. ext/digest/sha2: This module provides the classes Digest::SHA256, Digest::SHA384 and Digest::SHA512 which implement the SHA-256, SHA-384 and SHA-512 Secure Hash Algorithms, respectively. lib/md5.rb, lib/sha1.rb: These files are provided for backward compatibility. All these classes have the common API, which previously ext/md5 and ext/sha1 modules provided. While the new API keeps 100% backward compatibility, it has been enriched with several utility methods. Read digest.txt for further details. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/digest/rmd160')
-rw-r--r--ext/digest/rmd160/.cvsignore2
-rw-r--r--ext/digest/rmd160/MANIFEST5
-rw-r--r--ext/digest/rmd160/extconf.rb20
-rw-r--r--ext/digest/rmd160/rmd160.c464
-rw-r--r--ext/digest/rmd160/rmd160.h55
-rw-r--r--ext/digest/rmd160/rmd160hl.c96
-rw-r--r--ext/digest/rmd160/rmd160init.c34
7 files changed, 676 insertions, 0 deletions
diff --git a/ext/digest/rmd160/.cvsignore b/ext/digest/rmd160/.cvsignore
new file mode 100644
index 0000000..fc802ff
--- /dev/null
+++ b/ext/digest/rmd160/.cvsignore
@@ -0,0 +1,2 @@
+Makefile
+mkmf.log
diff --git a/ext/digest/rmd160/MANIFEST b/ext/digest/rmd160/MANIFEST
new file mode 100644
index 0000000..ff16164
--- /dev/null
+++ b/ext/digest/rmd160/MANIFEST
@@ -0,0 +1,5 @@
+extconf.rb
+rmd160.c
+rmd160.h
+rmd160hl.c
+rmd160init.c
diff --git a/ext/digest/rmd160/extconf.rb b/ext/digest/rmd160/extconf.rb
new file mode 100644
index 0000000..708e6e4
--- /dev/null
+++ b/ext/digest/rmd160/extconf.rb
@@ -0,0 +1,20 @@
+# $RoughId: extconf.rb,v 1.1 2001/07/13 15:38:27 knu Exp $
+# $Id$
+
+require "mkmf"
+
+$CFLAGS << " -DHAVE_CONFIG_H -I.."
+
+$objs = [
+ "rmd160.#{$OBJEXT}",
+ "rmd160hl.#{$OBJEXT}",
+ "rmd160init.#{$OBJEXT}",
+]
+
+have_header("sys/cdefs.h")
+
+have_header("inttypes.h")
+
+have_header("unistd.h")
+
+create_makefile("digest/rmd160")
diff --git a/ext/digest/rmd160/rmd160.c b/ext/digest/rmd160/rmd160.c
new file mode 100644
index 0000000..2de3c99
--- /dev/null
+++ b/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 $ */
+/* $Id$ */
+
+/********************************************************************\
+ *
+ * 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 **********************/
diff --git a/ext/digest/rmd160/rmd160.h b/ext/digest/rmd160/rmd160.h
new file mode 100644
index 0000000..53c1e0c
--- /dev/null
+++ b/ext/digest/rmd160/rmd160.h
@@ -0,0 +1,55 @@
+/* $NetBSD: rmd160.h,v 1.2 2000/07/07 10:47:06 ad Exp $ */
+/* $RoughId: rmd160.h,v 1.2 2001/07/13 19:49:10 knu Exp $ */
+/* $Id$ */
+
+/********************************************************************\
+ *
+ * FILE: rmd160.h
+ *
+ * CONTENTS: Header file for a sample C-implementation of the
+ * RIPEMD-160 hash-function.
+ * TARGET: any computer with an ANSI C compiler
+ *
+ * AUTHOR: Antoon Bosselaers, ESAT-COSIC
+ * DATE: 1 March 1996
+ * VERSION: 1.0
+ *
+ * Copyright (c) Katholieke Universiteit Leuven
+ * 1996, All Rights Reserved
+ *
+\********************************************************************/
+
+/*
+ * from OpenBSD: rmd160.h,v 1.4 1999/08/16 09:59:04 millert Exp
+ */
+
+#ifndef _RMD160_H_
+#define _RMD160_H_
+
+#include "defs.h"
+
+typedef struct {
+ uint32_t state[5]; /* state (ABCDE) */
+ uint32_t length[2]; /* number of bits */
+ uint8_t bbuffer[64]; /* overflow buffer */
+ uint32_t buflen; /* number of chars in bbuffer */
+} RMD160_CTX;
+
+__BEGIN_DECLS
+void RMD160_Init _((RMD160_CTX *));
+void RMD160_Transform _((uint32_t[5], const uint32_t[16]));
+void RMD160_Update _((RMD160_CTX *, const uint8_t *, size_t));
+void RMD160_Final _((uint8_t[20], RMD160_CTX *));
+int RMD160_Equal _((RMD160_CTX *, RMD160_CTX *));
+#ifndef _KERNEL
+char *RMD160_End _((RMD160_CTX *, char *));
+char *RMD160_File _((char *, char *));
+char *RMD160_Data _((const uint8_t *, size_t, char *));
+#endif /* _KERNEL */
+__END_DECLS
+
+#define RMD160_BLOCK_LENGTH 64
+#define RMD160_DIGEST_LENGTH 20
+#define RMD160_DIGEST_STRING_LENGTH (RMD160_DIGEST_LENGTH * 2 + 1)
+
+#endif /* !_RMD160_H_ */
diff --git a/ext/digest/rmd160/rmd160hl.c b/ext/digest/rmd160/rmd160hl.c
new file mode 100644
index 0000000..4c5e021
--- /dev/null
+++ b/ext/digest/rmd160/rmd160hl.c
@@ -0,0 +1,96 @@
+/* $NetBSD: rmd160hl.c,v 1.1.1.1 2001/03/06 11:21:05 agc Exp $ */
+/* $RoughId: rmd160hl.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */
+/* $Id$ */
+
+/* rmd160hl.c
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ *
+ * from OpenBSD: rmd160hl.c,v 1.2 1999/08/17 09:13:12 millert Exp $
+ */
+
+#include "rmd160.h"
+
+#ifndef lint
+/* __RCSID("$NetBSD: rmd160hl.c,v 1.1.1.1 2001/03/06 11:21:05 agc Exp $"); */
+#endif /* not lint */
+
+/* #include "namespace.h" */
+
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#if defined(HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#ifndef _DIAGASSERT
+#define _DIAGASSERT(cond) assert(cond)
+#endif
+
+
+char *
+RMD160_End(RMD160_CTX *ctx, char *buf)
+{
+ size_t i;
+ char *p = buf;
+ uint8_t digest[20];
+ static const char hex[]="0123456789abcdef";
+
+ _DIAGASSERT(ctx != NULL);
+ /* buf may be NULL */
+
+ if (p == NULL && (p = malloc(41)) == NULL)
+ return 0;
+
+ RMD160_Final(digest,ctx);
+ for (i = 0; i < 20; i++) {
+ p[i + i] = hex[(uint32_t)digest[i] >> 4];
+ p[i + i + 1] = hex[digest[i] & 0x0f];
+ }
+ p[i + i] = '\0';
+ return(p);
+}
+
+char *
+RMD160_File(char *filename, char *buf)
+{
+ uint8_t buffer[BUFSIZ];
+ RMD160_CTX ctx;
+ int fd, num, oerrno;
+
+ _DIAGASSERT(filename != NULL);
+ /* XXX: buf may be NULL ? */
+
+ RMD160_Init(&ctx);
+
+ if ((fd = open(filename, O_RDONLY)) < 0)
+ return(0);
+
+ while ((num = read(fd, buffer, sizeof(buffer))) > 0)
+ RMD160_Update(&ctx, buffer, (size_t)num);
+
+ oerrno = errno;
+ close(fd);
+ errno = oerrno;
+ return(num < 0 ? 0 : RMD160_End(&ctx, buf));
+}
+
+char *
+RMD160_Data(const uint8_t *data, size_t len, char *buf)
+{
+ RMD160_CTX ctx;
+
+ _DIAGASSERT(data != NULL);
+ /* XXX: buf may be NULL ? */
+
+ RMD160_Init(&ctx);
+ RMD160_Update(&ctx, data, len);
+ return(RMD160_End(&ctx, buf));
+}
diff --git a/ext/digest/rmd160/rmd160init.c b/ext/digest/rmd160/rmd160init.c
new file mode 100644
index 0000000..3cfe9e3
--- /dev/null
+++ b/ext/digest/rmd160/rmd160init.c
@@ -0,0 +1,34 @@
+/* $RoughId: rmd160init.c,v 1.3 2001/07/13 20:00:43 knu Exp $ */
+/* $Id$ */
+
+#include "digest.h"
+#include "rmd160.h"
+
+static algo_t rmd160 = {
+ RMD160_DIGEST_LENGTH,
+ sizeof(RMD160_CTX),
+ (hash_init_func_t)RMD160_Init,
+ (hash_update_func_t)RMD160_Update,
+ (hash_end_func_t)RMD160_End,
+ (hash_final_func_t)RMD160_Final,
+ (hash_equal_func_t)RMD160_Equal,
+};
+
+void
+Init_rmd160()
+{
+ VALUE mDigest, cDigest_Base, cDigest_RMD160;
+ ID id_metadata;
+
+ rb_require("digest.so");
+
+ mDigest = rb_path2class("Digest");
+ cDigest_Base = rb_path2class("Digest::Base");
+
+ cDigest_RMD160 = rb_define_class_under(mDigest, "RMD160", cDigest_Base);
+
+ id_metadata = rb_intern("metadata");
+
+ rb_cvar_declare(cDigest_RMD160, id_metadata,
+ Data_Wrap_Struct(rb_cObject, 0, 0, &rmd160));
+}