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new rmd160 implementation. based on 

ftp://ftp.rsasecurity.com/pub/cryptobytes/crypto3n2.pdf, ok deraadt@
OPENBSD_3_0
markus 23 years ago
parent
79bd272191
commit
3bb1d7ac89
3 changed files with 375 additions and 440 deletions
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  1. +35
    -40
      src/include/rmd160.h
  2. +2
    -2
      src/lib/libc/hash/rmd160.3
  3. +338
    -398
      src/lib/libc/hash/rmd160.c

+ 35
- 40
src/include/rmd160.h View File

@ -1,48 +1,43 @@
/* $OpenBSD: rmd160.h,v 1.4 1999/08/16 09:59:04 millert Exp $ */
/********************************************************************\
*
* 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
/* $OpenBSD: rmd160.h,v 1.5 2001/10/01 20:36:17 markus Exp $ */
/*
* Copyright (c) 2001 Markus Friedl. All rights reserved.
*
* AUTHOR: Antoon Bosselaers, ESAT-COSIC
* DATE: 1 March 1996
* VERSION: 1.0
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Copyright (c) Katholieke Universiteit Leuven
* 1996, All Rights Reserved
*
\********************************************************************/
#ifndef _RMD160_H /* make sure this file is read only once */
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RMD160_H
#define _RMD160_H
/********************************************************************/
/* structure definitions */
typedef struct {
u_int32_t state[5]; /* state (ABCDE) */
u_int32_t length[2]; /* number of bits */
u_char bbuffer[64]; /* overflow buffer */
u_int32_t buflen; /* number of chars in bbuffer */
/* RMD160 context. */
typedef struct RMD160Context {
u_int32_t state[5]; /* state */
u_int64_t count; /* number of bits, modulo 2^64 */
u_char buffer[64]; /* input buffer */
} RMD160_CTX;
/********************************************************************/
/* function prototypes */
void RMD160Init __P((RMD160_CTX *context));
void RMD160Transform __P((u_int32_t state[5], const u_int32_t block[16]));
void RMD160Update __P((RMD160_CTX *context, const u_char *data, u_int32_t nbytes));
void RMD160Final __P((u_char digest[20], RMD160_CTX *context));
char *RMD160End __P((RMD160_CTX *, char *));
char *RMD160File __P((char *, char *));
char *RMD160Data __P((const u_char *, size_t, char *));
void RMD160Init __P((RMD160_CTX *));
void RMD160Transform __P ((u_int32_t [5], const u_char [64]));
void RMD160Update __P((RMD160_CTX *, const u_char *, u_int32_t));
void RMD160Final __P((u_char [20], RMD160_CTX *));
char *RMD160End __P((RMD160_CTX *, char *));
char *RMD160File __P((char *, char *));
char *RMD160Data __P((const u_char *, size_t, char *));
#endif /* _RMD160_H */
/*********************** end of file rmd160.h ***********************/

+ 2
- 2
src/lib/libc/hash/rmd160.3 View File

@ -1,4 +1,4 @@
.\" $OpenBSD: rmd160.3,v 1.14 2001/08/06 10:42:26 mpech Exp $
.\" $OpenBSD: rmd160.3,v 1.15 2001/10/01 20:36:17 markus Exp $
.\"
.\" Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
.\" All rights reserved.
@ -189,7 +189,7 @@ an array of five 32-bit integers) it will be necessary to
perform byte swapping on little endian machines such as the i386, alpha,
and vax.
.Sh AUTHORS
This implementation of RMD-160 was written by Antoon Bosselaers.
This implementation of RMD-160 was written by Markus Friedl.
.Pp
The
.Fn RMD160End ,


+ 338
- 398
src/lib/libc/hash/rmd160.c View File

@ -1,425 +1,365 @@
/********************************************************************\
/*
* Copyright (c) 2001 Markus Friedl. All rights reserved.
*
* FILE: rmd160.c
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 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
*
\********************************************************************/
/* header files */
#include <stdio.h>
#include <stdlib.h>
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Preneel, Bosselaers, Dobbertin, "The Cryptographic Hash Function RIPEMD-160",
* RSA Laboratories, CryptoBytes, Volume 3, Number 2, Autumn 1997,
* ftp://ftp.rsasecurity.com/pub/cryptobytes/crypto3n2.pdf
*/
#include <string.h>
#include <sys/types.h>
#include <sys/endian.h>
#include <rmd160.h>
/********************************************************************/
/* macro definitions */
/* collect four bytes into one word: */
#define BYTES_TO_DWORD(strptr) \
(((u_int32_t) *((strptr)+3) << 24) | \
((u_int32_t) *((strptr)+2) << 16) | \
((u_int32_t) *((strptr)+1) << 8) | \
((u_int32_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); \
}
/********************************************************************/
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$OpenBSD: rmd160.c,v 1.11 2001/10/01 20:36:17 markus Exp $";
#endif /* LIBC_SCCS and not lint */
#define PUT_64BIT_LE(cp, value) do { \
(cp)[7] = (value) >> 56; \
(cp)[6] = (value) >> 48; \
(cp)[5] = (value) >> 40; \
(cp)[4] = (value) >> 32; \
(cp)[3] = (value) >> 24; \
(cp)[2] = (value) >> 16; \
(cp)[1] = (value) >> 8; \
(cp)[0] = (value); } while (0)
#define PUT_32BIT_LE(cp, value) do { \
(cp)[3] = (value) >> 24; \
(cp)[2] = (value) >> 16; \
(cp)[1] = (value) >> 8; \
(cp)[0] = (value); } while (0)
#define H0 0x67452301U
#define H1 0xEFCDAB89U
#define H2 0x98BADCFEU
#define H3 0x10325476U
#define H4 0xC3D2E1F0U
#define K0 0x00000000U
#define K1 0x5A827999U
#define K2 0x6ED9EBA1U
#define K3 0x8F1BBCDCU
#define K4 0xA953FD4EU
#define KK0 0x50A28BE6U
#define KK1 0x5C4DD124U
#define KK2 0x6D703EF3U
#define KK3 0x7A6D76E9U
#define KK4 0x00000000U
/* rotate x left n bits. */
#define ROL(n, x) (((x) << (n)) | ((x) >> (32-(n))))
#define F0(x, y, z) ((x) ^ (y) ^ (z))
#define F1(x, y, z) (((x) & (y)) | ((~x) & (z)))
#define F2(x, y, z) (((x) | (~y)) ^ (z))
#define F3(x, y, z) (((x) & (z)) | ((y) & (~z)))
#define F4(x, y, z) ((x) ^ ((y) | (~z)))
#define R(a, b, c, d, e, Fj, Kj, sj, rj) \
do { \
a = ROL(sj, a + Fj(b,c,d) + X(rj) + Kj) + e; \
c = ROL(10, c); \
} while(0)
#define X(i) x[i]
static u_char PADDING[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
void
RMD160Init(context)
RMD160_CTX *context;
RMD160Init(RMD160_CTX *ctx)
{
/* 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;
ctx->count = 0;
ctx->state[0] = H0;
ctx->state[1] = H1;
ctx->state[2] = H2;
ctx->state[3] = H3;
ctx->state[4] = H4;
}
/********************************************************************/
void
RMD160Transform(state, block)
u_int32_t state[5];
const u_int32_t block[16];
RMD160Update(RMD160_CTX *ctx, const u_char *input, u_int32_t len)
{
u_int32_t aa = state[0], bb = state[1], cc = state[2],
dd = state[3], ee = state[4];
u_int32_t aaa = state[0], bbb = state[1], ccc = state[2],
ddd = state[3], 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;
u_int32_t have, off, need;
have = (ctx->count/8) % 64;
need = 64 - have;
ctx->count += 8 * len;
off = 0;
if (len >= need) {
if (have) {
memcpy(ctx->buffer + have, input, need);
RMD160Transform(ctx->state, ctx->buffer);
off = need;
have = 0;
}
/* now the buffer is empty */
while (off + 64 <= len) {
RMD160Transform(ctx->state, input+off);
off += 64;
}
}
if (off < len)
memcpy(ctx->buffer + have, input+off, len-off);
}
/********************************************************************/
void
RMD160Update(context, data, nbytes)
RMD160_CTX *context;
const u_char *data;
u_int32_t nbytes;
RMD160Final(u_char digest[20], RMD160_CTX *ctx)
{
u_int32_t X[16];
u_int32_t ofs = 0;
u_int32_t i;
#if BYTE_ORDER != LITTLE_ENDIAN
u_int32_t j;
#endif
/* 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);
#if BYTE_ORDER == LITTLE_ENDIAN
(void)memcpy(X, context->bbuffer, sizeof(X));
#else
for (j=0; j < 16; j++)
X[j] = BYTES_TO_DWORD(context->bbuffer + (4 * j));
#endif
RMD160Transform(context->state, X);
nbytes -= ofs;
/* process remaining complete blocks */
for (i = 0; i < (nbytes >> 6); i++) {
#if BYTE_ORDER == LITTLE_ENDIAN
(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
RMD160Transform(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);
}
int i;
u_char size[8];
u_int32_t padlen;
PUT_64BIT_LE(size, ctx->count);
/*
* pad to 64 byte blocks, at least one byte from PADDING plus 8 bytes
* for the size
*/
padlen = 64 - ((ctx->count/8) % 64);
if (padlen < 1 + 8)
padlen += 64;
RMD160Update(ctx, PADDING, padlen - 8); /* padlen - 8 <= 64 */
RMD160Update(ctx, size, 8);
if (digest != NULL)
for (i = 0; i < 5; i++)
PUT_32BIT_LE(digest + i*4, ctx->state[i]);
memset(ctx, 0, sizeof (*ctx));
}
/********************************************************************/
void
RMD160Final(digest, context)
u_char digest[20];
RMD160_CTX *context;
RMD160Transform(u_int32_t state[5], const u_char block[64])
{
u_int32_t i;
u_int32_t X[16];
#if BYTE_ORDER != LITTLE_ENDIAN
u_int32_t j;
#endif
u_int32_t a, b, c, d, e, aa, bb, cc, dd, ee, t, x[16];
/* append the bit m_n == 1 */
context->bbuffer[context->buflen] = '\200';
(void)memset(context->bbuffer + context->buflen + 1, 0,
63 - context->buflen);
#if BYTE_ORDER == LITTLE_ENDIAN
(void)memcpy(X, context->bbuffer, sizeof(X));
memcpy(x, block, 64);
#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 */
RMD160Transform(context->state, X);
(void)memset(X, 0, sizeof(X));
}
int i;
/* append length in bits */
X[14] = context->length[0] << 3;
X[15] = (context->length[0] >> 29) |
(context->length[1] << 3);
RMD160Transform(context->state, X);
for (i = 0; i < 16; i++)
x[i] = swap32(*(u_int32_t*)(block+i*4));
#endif
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);
}
}
a = state[0];
b = state[1];
c = state[2];
d = state[3];
e = state[4];
/* Round 1 */
R(a, b, c, d, e, F0, K0, 11, 0);
R(e, a, b, c, d, F0, K0, 14, 1);
R(d, e, a, b, c, F0, K0, 15, 2);
R(c, d, e, a, b, F0, K0, 12, 3);
R(b, c, d, e, a, F0, K0, 5, 4);
R(a, b, c, d, e, F0, K0, 8, 5);
R(e, a, b, c, d, F0, K0, 7, 6);
R(d, e, a, b, c, F0, K0, 9, 7);
R(c, d, e, a, b, F0, K0, 11, 8);
R(b, c, d, e, a, F0, K0, 13, 9);
R(a, b, c, d, e, F0, K0, 14, 10);
R(e, a, b, c, d, F0, K0, 15, 11);
R(d, e, a, b, c, F0, K0, 6, 12);
R(c, d, e, a, b, F0, K0, 7, 13);
R(b, c, d, e, a, F0, K0, 9, 14);
R(a, b, c, d, e, F0, K0, 8, 15); /* #15 */
/* Round 2 */
R(e, a, b, c, d, F1, K1, 7, 7);
R(d, e, a, b, c, F1, K1, 6, 4);
R(c, d, e, a, b, F1, K1, 8, 13);
R(b, c, d, e, a, F1, K1, 13, 1);
R(a, b, c, d, e, F1, K1, 11, 10);
R(e, a, b, c, d, F1, K1, 9, 6);
R(d, e, a, b, c, F1, K1, 7, 15);
R(c, d, e, a, b, F1, K1, 15, 3);
R(b, c, d, e, a, F1, K1, 7, 12);
R(a, b, c, d, e, F1, K1, 12, 0);
R(e, a, b, c, d, F1, K1, 15, 9);
R(d, e, a, b, c, F1, K1, 9, 5);
R(c, d, e, a, b, F1, K1, 11, 2);
R(b, c, d, e, a, F1, K1, 7, 14);
R(a, b, c, d, e, F1, K1, 13, 11);
R(e, a, b, c, d, F1, K1, 12, 8); /* #31 */
/* Round 3 */
R(d, e, a, b, c, F2, K2, 11, 3);
R(c, d, e, a, b, F2, K2, 13, 10);
R(b, c, d, e, a, F2, K2, 6, 14);
R(a, b, c, d, e, F2, K2, 7, 4);
R(e, a, b, c, d, F2, K2, 14, 9);
R(d, e, a, b, c, F2, K2, 9, 15);
R(c, d, e, a, b, F2, K2, 13, 8);
R(b, c, d, e, a, F2, K2, 15, 1);
R(a, b, c, d, e, F2, K2, 14, 2);
R(e, a, b, c, d, F2, K2, 8, 7);
R(d, e, a, b, c, F2, K2, 13, 0);
R(c, d, e, a, b, F2, K2, 6, 6);
R(b, c, d, e, a, F2, K2, 5, 13);
R(a, b, c, d, e, F2, K2, 12, 11);
R(e, a, b, c, d, F2, K2, 7, 5);
R(d, e, a, b, c, F2, K2, 5, 12); /* #47 */
/* Round 4 */
R(c, d, e, a, b, F3, K3, 11, 1);
R(b, c, d, e, a, F3, K3, 12, 9);
R(a, b, c, d, e, F3, K3, 14, 11);
R(e, a, b, c, d, F3, K3, 15, 10);
R(d, e, a, b, c, F3, K3, 14, 0);
R(c, d, e, a, b, F3, K3, 15, 8);
R(b, c, d, e, a, F3, K3, 9, 12);
R(a, b, c, d, e, F3, K3, 8, 4);
R(e, a, b, c, d, F3, K3, 9, 13);
R(d, e, a, b, c, F3, K3, 14, 3);
R(c, d, e, a, b, F3, K3, 5, 7);
R(b, c, d, e, a, F3, K3, 6, 15);
R(a, b, c, d, e, F3, K3, 8, 14);
R(e, a, b, c, d, F3, K3, 6, 5);
R(d, e, a, b, c, F3, K3, 5, 6);
R(c, d, e, a, b, F3, K3, 12, 2); /* #63 */
/* Round 5 */
R(b, c, d, e, a, F4, K4, 9, 4);
R(a, b, c, d, e, F4, K4, 15, 0);
R(e, a, b, c, d, F4, K4, 5, 5);
R(d, e, a, b, c, F4, K4, 11, 9);
R(c, d, e, a, b, F4, K4, 6, 7);
R(b, c, d, e, a, F4, K4, 8, 12);
R(a, b, c, d, e, F4, K4, 13, 2);
R(e, a, b, c, d, F4, K4, 12, 10);
R(d, e, a, b, c, F4, K4, 5, 14);
R(c, d, e, a, b, F4, K4, 12, 1);
R(b, c, d, e, a, F4, K4, 13, 3);
R(a, b, c, d, e, F4, K4, 14, 8);
R(e, a, b, c, d, F4, K4, 11, 11);
R(d, e, a, b, c, F4, K4, 8, 6);
R(c, d, e, a, b, F4, K4, 5, 15);
R(b, c, d, e, a, F4, K4, 6, 13); /* #79 */
aa = a ; bb = b; cc = c; dd = d; ee = e;
a = state[0];
b = state[1];
c = state[2];
d = state[3];
e = state[4];
/* Parallel round 1 */
R(a, b, c, d, e, F4, KK0, 8, 5);
R(e, a, b, c, d, F4, KK0, 9, 14);
R(d, e, a, b, c, F4, KK0, 9, 7);
R(c, d, e, a, b, F4, KK0, 11, 0);
R(b, c, d, e, a, F4, KK0, 13, 9);
R(a, b, c, d, e, F4, KK0, 15, 2);
R(e, a, b, c, d, F4, KK0, 15, 11);
R(d, e, a, b, c, F4, KK0, 5, 4);
R(c, d, e, a, b, F4, KK0, 7, 13);
R(b, c, d, e, a, F4, KK0, 7, 6);
R(a, b, c, d, e, F4, KK0, 8, 15);
R(e, a, b, c, d, F4, KK0, 11, 8);
R(d, e, a, b, c, F4, KK0, 14, 1);
R(c, d, e, a, b, F4, KK0, 14, 10);
R(b, c, d, e, a, F4, KK0, 12, 3);
R(a, b, c, d, e, F4, KK0, 6, 12); /* #15 */
/* Parallel round 2 */
R(e, a, b, c, d, F3, KK1, 9, 6);
R(d, e, a, b, c, F3, KK1, 13, 11);
R(c, d, e, a, b, F3, KK1, 15, 3);
R(b, c, d, e, a, F3, KK1, 7, 7);
R(a, b, c, d, e, F3, KK1, 12, 0);
R(e, a, b, c, d, F3, KK1, 8, 13);
R(d, e, a, b, c, F3, KK1, 9, 5);
R(c, d, e, a, b, F3, KK1, 11, 10);
R(b, c, d, e, a, F3, KK1, 7, 14);
R(a, b, c, d, e, F3, KK1, 7, 15);
R(e, a, b, c, d, F3, KK1, 12, 8);
R(d, e, a, b, c, F3, KK1, 7, 12);
R(c, d, e, a, b, F3, KK1, 6, 4);
R(b, c, d, e, a, F3, KK1, 15, 9);
R(a, b, c, d, e, F3, KK1, 13, 1);
R(e, a, b, c, d, F3, KK1, 11, 2); /* #31 */
/* Parallel round 3 */
R(d, e, a, b, c, F2, KK2, 9, 15);
R(c, d, e, a, b, F2, KK2, 7, 5);
R(b, c, d, e, a, F2, KK2, 15, 1);
R(a, b, c, d, e, F2, KK2, 11, 3);
R(e, a, b, c, d, F2, KK2, 8, 7);
R(d, e, a, b, c, F2, KK2, 6, 14);
R(c, d, e, a, b, F2, KK2, 6, 6);
R(b, c, d, e, a, F2, KK2, 14, 9);
R(a, b, c, d, e, F2, KK2, 12, 11);
R(e, a, b, c, d, F2, KK2, 13, 8);
R(d, e, a, b, c, F2, KK2, 5, 12);
R(c, d, e, a, b, F2, KK2, 14, 2);
R(b, c, d, e, a, F2, KK2, 13, 10);
R(a, b, c, d, e, F2, KK2, 13, 0);
R(e, a, b, c, d, F2, KK2, 7, 4);
R(d, e, a, b, c, F2, KK2, 5, 13); /* #47 */
/* Parallel round 4 */
R(c, d, e, a, b, F1, KK3, 15, 8);
R(b, c, d, e, a, F1, KK3, 5, 6);
R(a, b, c, d, e, F1, KK3, 8, 4);
R(e, a, b, c, d, F1, KK3, 11, 1);
R(d, e, a, b, c, F1, KK3, 14, 3);
R(c, d, e, a, b, F1, KK3, 14, 11);
R(b, c, d, e, a, F1, KK3, 6, 15);
R(a, b, c, d, e, F1, KK3, 14, 0);
R(e, a, b, c, d, F1, KK3, 6, 5);
R(d, e, a, b, c, F1, KK3, 9, 12);
R(c, d, e, a, b, F1, KK3, 12, 2);
R(b, c, d, e, a, F1, KK3, 9, 13);
R(a, b, c, d, e, F1, KK3, 12, 9);
R(e, a, b, c, d, F1, KK3, 5, 7);
R(d, e, a, b, c, F1, KK3, 15, 10);
R(c, d, e, a, b, F1, KK3, 8, 14); /* #63 */
/* Parallel round 5 */
R(b, c, d, e, a, F0, KK4, 8, 12);
R(a, b, c, d, e, F0, KK4, 5, 15);
R(e, a, b, c, d, F0, KK4, 12, 10);
R(d, e, a, b, c, F0, KK4, 9, 4);
R(c, d, e, a, b, F0, KK4, 12, 1);
R(b, c, d, e, a, F0, KK4, 5, 5);
R(a, b, c, d, e, F0, KK4, 14, 8);
R(e, a, b, c, d, F0, KK4, 6, 7);
R(d, e, a, b, c, F0, KK4, 8, 6);
R(c, d, e, a, b, F0, KK4, 13, 2);
R(b, c, d, e, a, F0, KK4, 6, 13);
R(a, b, c, d, e, F0, KK4, 5, 14);
R(e, a, b, c, d, F0, KK4, 15, 0);
R(d, e, a, b, c, F0, KK4, 13, 3);
R(c, d, e, a, b, F0, KK4, 11, 9);
R(b, c, d, e, a, F0, KK4, 11, 11); /* #79 */
t = state[1] + cc + d;
state[1] = state[2] + dd + e;
state[2] = state[3] + ee + a;
state[3] = state[4] + aa + b;
state[4] = state[0] + bb + c;
state[0] = t;
}
/************************ end of file rmd160.c **********************/

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