You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
351 lines
12 KiB
351 lines
12 KiB
/********************************************************************\
|
|
*
|
|
* 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
|
|
* DATE: 1 March 1996
|
|
* VERSION: 1.0
|
|
*
|
|
* Copyright (c) Katholieke Universiteit Leuven
|
|
* 1996, All Rights Reserved
|
|
*
|
|
\********************************************************************/
|
|
|
|
/* header files */
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "rmd160.h"
|
|
|
|
#include <cstdint>
|
|
|
|
/********************************************************************/
|
|
|
|
/* typedef 8 and 32 bit types, resp. */
|
|
/* adapt these, if necessary,
|
|
for your operating system and compiler */
|
|
typedef unsigned char byte;
|
|
typedef uint32_t dword;
|
|
|
|
/* if this line causes a compiler error,
|
|
adapt the defintion of dword above */
|
|
typedef int the_correct_size_was_chosen [sizeof (dword) == 4? 1: -1];
|
|
|
|
/********************************************************************/
|
|
|
|
/* macro definitions */
|
|
|
|
|
|
/* 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 five 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 ten 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) + 0x5a827999UL;\
|
|
(a) = ROL((a), (s)) + (e);\
|
|
(c) = ROL((c), 10);\
|
|
}
|
|
#define HH(a, b, c, d, e, x, s) {\
|
|
(a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
|
|
(a) = ROL((a), (s)) + (e);\
|
|
(c) = ROL((c), 10);\
|
|
}
|
|
#define II(a, b, c, d, e, x, s) {\
|
|
(a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
|
|
(a) = ROL((a), (s)) + (e);\
|
|
(c) = ROL((c), 10);\
|
|
}
|
|
#define JJ(a, b, c, d, e, x, s) {\
|
|
(a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\
|
|
(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) + 0x7a6d76e9UL;\
|
|
(a) = ROL((a), (s)) + (e);\
|
|
(c) = ROL((c), 10);\
|
|
}
|
|
#define HHH(a, b, c, d, e, x, s) {\
|
|
(a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\
|
|
(a) = ROL((a), (s)) + (e);\
|
|
(c) = ROL((c), 10);\
|
|
}
|
|
#define III(a, b, c, d, e, x, s) {\
|
|
(a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\
|
|
(a) = ROL((a), (s)) + (e);\
|
|
(c) = ROL((c), 10);\
|
|
}
|
|
#define JJJ(a, b, c, d, e, x, s) {\
|
|
(a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\
|
|
(a) = ROL((a), (s)) + (e);\
|
|
(c) = ROL((c), 10);\
|
|
}
|
|
|
|
/********************************************************************/
|
|
|
|
void MDinit(dword *MDbuf)
|
|
{
|
|
MDbuf[0] = 0x67452301UL;
|
|
MDbuf[1] = 0xefcdab89UL;
|
|
MDbuf[2] = 0x98badcfeUL;
|
|
MDbuf[3] = 0x10325476UL;
|
|
MDbuf[4] = 0xc3d2e1f0UL;
|
|
|
|
return;
|
|
}
|
|
|
|
/********************************************************************/
|
|
|
|
void compress(dword *MDbuf, dword *X)
|
|
{
|
|
dword aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2],
|
|
dd = MDbuf[3], ee = MDbuf[4];
|
|
dword aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2],
|
|
ddd = MDbuf[3], eee = MDbuf[4];
|
|
|
|
/* round 1 */
|
|
FF(aa, bb, cc, dd, ee, X[ 0], 11);
|
|
FF(ee, aa, bb, cc, dd, X[ 1], 14);
|
|
FF(dd, ee, aa, bb, cc, X[ 2], 15);
|
|
FF(cc, dd, ee, aa, bb, X[ 3], 12);
|
|
FF(bb, cc, dd, ee, aa, X[ 4], 5);
|
|
FF(aa, bb, cc, dd, ee, X[ 5], 8);
|
|
FF(ee, aa, bb, cc, dd, X[ 6], 7);
|
|
FF(dd, ee, aa, bb, cc, X[ 7], 9);
|
|
FF(cc, dd, ee, aa, bb, X[ 8], 11);
|
|
FF(bb, cc, dd, ee, aa, X[ 9], 13);
|
|
FF(aa, bb, cc, dd, ee, X[10], 14);
|
|
FF(ee, aa, bb, cc, dd, X[11], 15);
|
|
FF(dd, ee, aa, bb, cc, X[12], 6);
|
|
FF(cc, dd, ee, aa, bb, X[13], 7);
|
|
FF(bb, cc, dd, ee, aa, X[14], 9);
|
|
FF(aa, bb, cc, dd, ee, X[15], 8);
|
|
|
|
/* round 2 */
|
|
GG(ee, aa, bb, cc, dd, X[ 7], 7);
|
|
GG(dd, ee, aa, bb, cc, X[ 4], 6);
|
|
GG(cc, dd, ee, aa, bb, X[13], 8);
|
|
GG(bb, cc, dd, ee, aa, X[ 1], 13);
|
|
GG(aa, bb, cc, dd, ee, X[10], 11);
|
|
GG(ee, aa, bb, cc, dd, X[ 6], 9);
|
|
GG(dd, ee, aa, bb, cc, X[15], 7);
|
|
GG(cc, dd, ee, aa, bb, X[ 3], 15);
|
|
GG(bb, cc, dd, ee, aa, X[12], 7);
|
|
GG(aa, bb, cc, dd, ee, X[ 0], 12);
|
|
GG(ee, aa, bb, cc, dd, X[ 9], 15);
|
|
GG(dd, ee, aa, bb, cc, X[ 5], 9);
|
|
GG(cc, dd, ee, aa, bb, X[ 2], 11);
|
|
GG(bb, cc, dd, ee, aa, X[14], 7);
|
|
GG(aa, bb, cc, dd, ee, X[11], 13);
|
|
GG(ee, aa, bb, cc, dd, X[ 8], 12);
|
|
|
|
/* round 3 */
|
|
HH(dd, ee, aa, bb, cc, X[ 3], 11);
|
|
HH(cc, dd, ee, aa, bb, X[10], 13);
|
|
HH(bb, cc, dd, ee, aa, X[14], 6);
|
|
HH(aa, bb, cc, dd, ee, X[ 4], 7);
|
|
HH(ee, aa, bb, cc, dd, X[ 9], 14);
|
|
HH(dd, ee, aa, bb, cc, X[15], 9);
|
|
HH(cc, dd, ee, aa, bb, X[ 8], 13);
|
|
HH(bb, cc, dd, ee, aa, X[ 1], 15);
|
|
HH(aa, bb, cc, dd, ee, X[ 2], 14);
|
|
HH(ee, aa, bb, cc, dd, X[ 7], 8);
|
|
HH(dd, ee, aa, bb, cc, X[ 0], 13);
|
|
HH(cc, dd, ee, aa, bb, X[ 6], 6);
|
|
HH(bb, cc, dd, ee, aa, X[13], 5);
|
|
HH(aa, bb, cc, dd, ee, X[11], 12);
|
|
HH(ee, aa, bb, cc, dd, X[ 5], 7);
|
|
HH(dd, ee, aa, bb, cc, X[12], 5);
|
|
|
|
/* round 4 */
|
|
II(cc, dd, ee, aa, bb, X[ 1], 11);
|
|
II(bb, cc, dd, ee, aa, X[ 9], 12);
|
|
II(aa, bb, cc, dd, ee, X[11], 14);
|
|
II(ee, aa, bb, cc, dd, X[10], 15);
|
|
II(dd, ee, aa, bb, cc, X[ 0], 14);
|
|
II(cc, dd, ee, aa, bb, X[ 8], 15);
|
|
II(bb, cc, dd, ee, aa, X[12], 9);
|
|
II(aa, bb, cc, dd, ee, X[ 4], 8);
|
|
II(ee, aa, bb, cc, dd, X[13], 9);
|
|
II(dd, ee, aa, bb, cc, X[ 3], 14);
|
|
II(cc, dd, ee, aa, bb, X[ 7], 5);
|
|
II(bb, cc, dd, ee, aa, X[15], 6);
|
|
II(aa, bb, cc, dd, ee, X[14], 8);
|
|
II(ee, aa, bb, cc, dd, X[ 5], 6);
|
|
II(dd, ee, aa, bb, cc, X[ 6], 5);
|
|
II(cc, dd, ee, aa, bb, X[ 2], 12);
|
|
|
|
/* round 5 */
|
|
JJ(bb, cc, dd, ee, aa, X[ 4], 9);
|
|
JJ(aa, bb, cc, dd, ee, X[ 0], 15);
|
|
JJ(ee, aa, bb, cc, dd, X[ 5], 5);
|
|
JJ(dd, ee, aa, bb, cc, X[ 9], 11);
|
|
JJ(cc, dd, ee, aa, bb, X[ 7], 6);
|
|
JJ(bb, cc, dd, ee, aa, X[12], 8);
|
|
JJ(aa, bb, cc, dd, ee, X[ 2], 13);
|
|
JJ(ee, aa, bb, cc, dd, X[10], 12);
|
|
JJ(dd, ee, aa, bb, cc, X[14], 5);
|
|
JJ(cc, dd, ee, aa, bb, X[ 1], 12);
|
|
JJ(bb, cc, dd, ee, aa, X[ 3], 13);
|
|
JJ(aa, bb, cc, dd, ee, X[ 8], 14);
|
|
JJ(ee, aa, bb, cc, dd, X[11], 11);
|
|
JJ(dd, ee, aa, bb, cc, X[ 6], 8);
|
|
JJ(cc, dd, ee, aa, bb, X[15], 5);
|
|
JJ(bb, cc, dd, ee, aa, X[13], 6);
|
|
|
|
/* parallel round 1 */
|
|
JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
|
|
JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
|
|
JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
|
|
JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
|
|
JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
|
|
JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
|
|
JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
|
|
JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
|
|
JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
|
|
JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
|
|
JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
|
|
JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
|
|
JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
|
|
JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
|
|
JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
|
|
JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
|
|
|
|
/* parallel round 2 */
|
|
III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
|
|
III(ddd, eee, aaa, bbb, ccc, X[11], 13);
|
|
III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
|
|
III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
|
|
III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
|
|
III(eee, aaa, bbb, ccc, ddd, X[13], 8);
|
|
III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
|
|
III(ccc, ddd, eee, aaa, bbb, X[10], 11);
|
|
III(bbb, ccc, ddd, eee, aaa, X[14], 7);
|
|
III(aaa, bbb, ccc, ddd, eee, X[15], 7);
|
|
III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
|
|
III(ddd, eee, aaa, bbb, ccc, X[12], 7);
|
|
III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
|
|
III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
|
|
III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
|
|
III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
|
|
|
|
/* parallel round 3 */
|
|
HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
|
|
HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
|
|
HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
|
|
HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
|
|
HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
|
|
HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
|
|
HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
|
|
HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
|
|
HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
|
|
HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
|
|
HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
|
|
HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
|
|
HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
|
|
HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
|
|
HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
|
|
HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
|
|
|
|
/* parallel round 4 */
|
|
GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
|
|
GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
|
|
GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
|
|
GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
|
|
GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
|
|
GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
|
|
GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
|
|
GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
|
|
GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
|
|
GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
|
|
GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
|
|
GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
|
|
GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
|
|
GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
|
|
GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
|
|
GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
|
|
|
|
/* parallel round 5 */
|
|
FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
|
|
FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
|
|
FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
|
|
FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
|
|
FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
|
|
FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
|
|
FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
|
|
FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
|
|
FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
|
|
FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
|
|
FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
|
|
FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
|
|
FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
|
|
FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
|
|
FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
|
|
FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
|
|
|
|
/* combine results */
|
|
ddd += cc + MDbuf[1]; /* final result for MDbuf[0] */
|
|
MDbuf[1] = MDbuf[2] + dd + eee;
|
|
MDbuf[2] = MDbuf[3] + ee + aaa;
|
|
MDbuf[3] = MDbuf[4] + aa + bbb;
|
|
MDbuf[4] = MDbuf[0] + bb + ccc;
|
|
MDbuf[0] = ddd;
|
|
|
|
return;
|
|
}
|
|
|
|
/********************************************************************/
|
|
|
|
void MDfinish(dword *MDbuf, byte const *strptr, dword lswlen, dword mswlen)
|
|
{
|
|
unsigned int i; /* counter */
|
|
dword X[16]; /* message words */
|
|
|
|
memset(X, 0, 16*sizeof(dword));
|
|
|
|
/* put bytes from strptr into X */
|
|
for (i=0; i<(lswlen&63); i++) {
|
|
/* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
|
|
X[i>>2] ^= (dword) *strptr++ << (8 * (i&3));
|
|
}
|
|
|
|
/* append the bit m_n == 1 */
|
|
X[(lswlen>>2)&15] ^= (dword)1 << (8*(lswlen&3) + 7);
|
|
|
|
if ((lswlen & 63) > 55) {
|
|
/* length goes to next block */
|
|
compress(MDbuf, X);
|
|
memset(X, 0, 16*sizeof(dword));
|
|
}
|
|
|
|
/* append length in bits*/
|
|
X[14] = lswlen << 3;
|
|
X[15] = (lswlen >> 29) | (mswlen << 3);
|
|
compress(MDbuf, X);
|
|
|
|
return;
|
|
}
|
|
|
|
/************************ end of file rmd160.c **********************/
|
|
|