jens
191af92d47
Committed on the Free edition of March Hare Software CVSNT Server. Upgrade to CVS Suite for more features and support: http://march-hare.com/cvsnt/ git-svn-id: http://moon:8086/svn/vhdl/trunk@790 cc03376c-175c-47c8-b038-4cd826a8556b
295 lines
10 KiB
C
295 lines
10 KiB
C
/********************************************************************\
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*
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* FILE: rmd160.c
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*
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* CONTENTS: A sample C-implementation of the RIPEMD-160
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* hash-function.
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* TARGET: any computer with an ANSI C compiler
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*
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* AUTHOR: Antoon Bosselaers, ESAT-COSIC
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* DATE: 1 March 1996
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* VERSION: 1.0
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*
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* Copyright (c) Katholieke Universiteit Leuven
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* 1996, All Rights Reserved
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*
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* Conditions for use of the RIPEMD-160 Software
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*
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* The RIPEMD-160 software is freely available for use under the terms and
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* conditions described hereunder, which shall be deemed to be accepted by
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* any user of the software and applicable on any use of the software:
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*
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* 1. K.U.Leuven Department of Electrical Engineering-ESAT/COSIC shall for
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* all purposes be considered the owner of the RIPEMD-160 software and of
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* all copyright, trade secret, patent or other intellectual property
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* rights therein.
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* 2. The RIPEMD-160 software is provided on an "as is" basis without
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* warranty of any sort, express or implied. K.U.Leuven makes no
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* representation that the use of the software will not infringe any
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* patent or proprietary right of third parties. User will indemnify
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* K.U.Leuven and hold K.U.Leuven harmless from any claims or liabilities
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* which may arise as a result of its use of the software. In no
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* circumstances K.U.Leuven R&D will be held liable for any deficiency,
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* fault or other mishappening with regard to the use or performance of
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* the software.
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* 3. User agrees to give due credit to K.U.Leuven in scientific publications
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* or communications in relation with the use of the RIPEMD-160 software
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* as follows: RIPEMD-160 software written by Antoon Bosselaers,
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* available at http://www.esat.kuleuven.be/~cosicart/ps/AB-9601/.
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*
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\********************************************************************/
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/* header files */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "rmd160.h"
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/********************************************************************/
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void MDinit(dword *MDbuf)
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{
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MDbuf[0] = 0x67452301UL;
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MDbuf[1] = 0xefcdab89UL;
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MDbuf[2] = 0x98badcfeUL;
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MDbuf[3] = 0x10325476UL;
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MDbuf[4] = 0xc3d2e1f0UL;
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return;
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}
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/********************************************************************/
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void compress(dword *MDbuf, dword *X)
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{
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dword aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2],
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dd = MDbuf[3], ee = MDbuf[4];
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dword aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2],
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ddd = MDbuf[3], eee = MDbuf[4];
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/* round 1 */
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FF(aa, bb, cc, dd, ee, X[ 0], 11);
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FF(ee, aa, bb, cc, dd, X[ 1], 14);
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FF(dd, ee, aa, bb, cc, X[ 2], 15);
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FF(cc, dd, ee, aa, bb, X[ 3], 12);
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FF(bb, cc, dd, ee, aa, X[ 4], 5);
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FF(aa, bb, cc, dd, ee, X[ 5], 8);
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FF(ee, aa, bb, cc, dd, X[ 6], 7);
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FF(dd, ee, aa, bb, cc, X[ 7], 9);
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FF(cc, dd, ee, aa, bb, X[ 8], 11);
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FF(bb, cc, dd, ee, aa, X[ 9], 13);
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FF(aa, bb, cc, dd, ee, X[10], 14);
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FF(ee, aa, bb, cc, dd, X[11], 15);
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FF(dd, ee, aa, bb, cc, X[12], 6);
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FF(cc, dd, ee, aa, bb, X[13], 7);
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FF(bb, cc, dd, ee, aa, X[14], 9);
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FF(aa, bb, cc, dd, ee, X[15], 8);
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/* round 2 */
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GG(ee, aa, bb, cc, dd, X[ 7], 7);
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GG(dd, ee, aa, bb, cc, X[ 4], 6);
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GG(cc, dd, ee, aa, bb, X[13], 8);
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GG(bb, cc, dd, ee, aa, X[ 1], 13);
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GG(aa, bb, cc, dd, ee, X[10], 11);
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GG(ee, aa, bb, cc, dd, X[ 6], 9);
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GG(dd, ee, aa, bb, cc, X[15], 7);
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GG(cc, dd, ee, aa, bb, X[ 3], 15);
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GG(bb, cc, dd, ee, aa, X[12], 7);
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GG(aa, bb, cc, dd, ee, X[ 0], 12);
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GG(ee, aa, bb, cc, dd, X[ 9], 15);
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GG(dd, ee, aa, bb, cc, X[ 5], 9);
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GG(cc, dd, ee, aa, bb, X[ 2], 11);
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GG(bb, cc, dd, ee, aa, X[14], 7);
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GG(aa, bb, cc, dd, ee, X[11], 13);
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GG(ee, aa, bb, cc, dd, X[ 8], 12);
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/* round 3 */
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HH(dd, ee, aa, bb, cc, X[ 3], 11);
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HH(cc, dd, ee, aa, bb, X[10], 13);
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HH(bb, cc, dd, ee, aa, X[14], 6);
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HH(aa, bb, cc, dd, ee, X[ 4], 7);
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HH(ee, aa, bb, cc, dd, X[ 9], 14);
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HH(dd, ee, aa, bb, cc, X[15], 9);
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HH(cc, dd, ee, aa, bb, X[ 8], 13);
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HH(bb, cc, dd, ee, aa, X[ 1], 15);
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HH(aa, bb, cc, dd, ee, X[ 2], 14);
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HH(ee, aa, bb, cc, dd, X[ 7], 8);
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HH(dd, ee, aa, bb, cc, X[ 0], 13);
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HH(cc, dd, ee, aa, bb, X[ 6], 6);
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HH(bb, cc, dd, ee, aa, X[13], 5);
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HH(aa, bb, cc, dd, ee, X[11], 12);
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HH(ee, aa, bb, cc, dd, X[ 5], 7);
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HH(dd, ee, aa, bb, cc, X[12], 5);
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/* round 4 */
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II(cc, dd, ee, aa, bb, X[ 1], 11);
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II(bb, cc, dd, ee, aa, X[ 9], 12);
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II(aa, bb, cc, dd, ee, X[11], 14);
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II(ee, aa, bb, cc, dd, X[10], 15);
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II(dd, ee, aa, bb, cc, X[ 0], 14);
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II(cc, dd, ee, aa, bb, X[ 8], 15);
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II(bb, cc, dd, ee, aa, X[12], 9);
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II(aa, bb, cc, dd, ee, X[ 4], 8);
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II(ee, aa, bb, cc, dd, X[13], 9);
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II(dd, ee, aa, bb, cc, X[ 3], 14);
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II(cc, dd, ee, aa, bb, X[ 7], 5);
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II(bb, cc, dd, ee, aa, X[15], 6);
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II(aa, bb, cc, dd, ee, X[14], 8);
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II(ee, aa, bb, cc, dd, X[ 5], 6);
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II(dd, ee, aa, bb, cc, X[ 6], 5);
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II(cc, dd, ee, aa, bb, X[ 2], 12);
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/* round 5 */
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JJ(bb, cc, dd, ee, aa, X[ 4], 9);
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JJ(aa, bb, cc, dd, ee, X[ 0], 15);
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JJ(ee, aa, bb, cc, dd, X[ 5], 5);
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JJ(dd, ee, aa, bb, cc, X[ 9], 11);
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JJ(cc, dd, ee, aa, bb, X[ 7], 6);
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JJ(bb, cc, dd, ee, aa, X[12], 8);
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JJ(aa, bb, cc, dd, ee, X[ 2], 13);
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JJ(ee, aa, bb, cc, dd, X[10], 12);
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JJ(dd, ee, aa, bb, cc, X[14], 5);
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JJ(cc, dd, ee, aa, bb, X[ 1], 12);
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JJ(bb, cc, dd, ee, aa, X[ 3], 13);
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JJ(aa, bb, cc, dd, ee, X[ 8], 14);
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JJ(ee, aa, bb, cc, dd, X[11], 11);
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JJ(dd, ee, aa, bb, cc, X[ 6], 8);
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JJ(cc, dd, ee, aa, bb, X[15], 5);
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JJ(bb, cc, dd, ee, aa, X[13], 6);
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/* parallel round 1 */
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JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
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JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
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JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
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JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
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JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
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JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
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JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
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JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
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JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
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JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
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JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
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JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
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JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
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JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
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JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
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JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
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/* parallel round 2 */
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III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
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III(ddd, eee, aaa, bbb, ccc, X[11], 13);
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III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
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III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
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III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
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III(eee, aaa, bbb, ccc, ddd, X[13], 8);
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III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
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III(ccc, ddd, eee, aaa, bbb, X[10], 11);
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III(bbb, ccc, ddd, eee, aaa, X[14], 7);
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III(aaa, bbb, ccc, ddd, eee, X[15], 7);
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III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
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III(ddd, eee, aaa, bbb, ccc, X[12], 7);
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III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
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III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
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III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
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III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
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/* parallel round 3 */
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HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
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HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
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HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
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HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
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HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
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HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
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HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
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HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
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HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
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HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
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HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
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HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
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HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
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HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
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HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
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HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
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/* parallel round 4 */
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GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
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GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
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GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
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GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
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GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
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GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
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GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
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GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
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GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
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GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
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GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
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GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
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GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
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GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
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GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
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GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
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/* parallel round 5 */
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FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
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FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
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FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
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FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
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FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
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FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
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FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
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FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
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FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
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FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
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FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
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FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
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FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
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FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
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FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
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FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
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/* combine results */
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ddd += cc + MDbuf[1]; /* final result for MDbuf[0] */
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MDbuf[1] = MDbuf[2] + dd + eee;
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MDbuf[2] = MDbuf[3] + ee + aaa;
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MDbuf[3] = MDbuf[4] + aa + bbb;
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MDbuf[4] = MDbuf[0] + bb + ccc;
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MDbuf[0] = ddd;
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return;
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}
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/********************************************************************/
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void MDfinish(dword *MDbuf, byte *strptr, dword lswlen, dword mswlen)
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{
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unsigned int i; /* counter */
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dword X[16]; /* message words */
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memset(X, 0, 16*sizeof(dword));
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/* put bytes from strptr into X */
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for (i=0; i<(lswlen&63); i++) {
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/* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
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X[i>>2] ^= (dword) *strptr++ << (8 * (i&3));
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}
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/* append the bit m_n == 1 */
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X[(lswlen>>2)&15] ^= (dword)1 << (8*(lswlen&3) + 7);
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if ((lswlen & 63) > 55) {
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/* length goes to next block */
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compress(MDbuf, X);
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memset(X, 0, 16*sizeof(dword));
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}
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/* append length in bits*/
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X[14] = lswlen << 3;
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X[15] = (lswlen >> 29) | (mswlen << 3);
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compress(MDbuf, X);
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return;
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}
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/************************ end of file rmd160.c **********************/
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