348 lines
14 KiB
HTML
348 lines
14 KiB
HTML
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<title>JSDoc: Source: crypto/hash/ripe-md.js</title>
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<h1 class="page-title">Source: crypto/hash/ripe-md.js</h1>
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<section>
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<article>
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<pre class="prettyprint source"><code>/*
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* CryptoMX Tools
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* Copyright (C) 2004 - 2006 Derek Buitenhuis
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Modified by Recurity Labs GmbH
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*/
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/**
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* @module crypto/hash/ripe-md
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*/
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var RMDsize = 160;
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var X = [];
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function ROL(x, n) {
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return new Number((x << n) | (x >>> (32 - n)));
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}
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function F(x, y, z) {
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return new Number(x ^ y ^ z);
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}
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function G(x, y, z) {
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return new Number((x & y) | (~x & z));
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}
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function H(x, y, z) {
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return new Number((x | ~y) ^ z);
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}
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function I(x, y, z) {
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return new Number((x & z) | (y & ~z));
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}
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function J(x, y, z) {
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return new Number(x ^ (y | ~z));
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}
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function mixOneRound(a, b, c, d, e, x, s, roundNumber) {
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switch (roundNumber) {
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case 0:
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a += F(b, c, d) + x + 0x00000000;
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break;
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case 1:
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a += G(b, c, d) + x + 0x5a827999;
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break;
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case 2:
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a += H(b, c, d) + x + 0x6ed9eba1;
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break;
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case 3:
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a += I(b, c, d) + x + 0x8f1bbcdc;
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break;
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case 4:
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a += J(b, c, d) + x + 0xa953fd4e;
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break;
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case 5:
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a += J(b, c, d) + x + 0x50a28be6;
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break;
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case 6:
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a += I(b, c, d) + x + 0x5c4dd124;
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break;
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case 7:
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a += H(b, c, d) + x + 0x6d703ef3;
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break;
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case 8:
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a += G(b, c, d) + x + 0x7a6d76e9;
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break;
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case 9:
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a += F(b, c, d) + x + 0x00000000;
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break;
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default:
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document.write("Bogus round number");
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break;
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}
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a = ROL(a, s) + e;
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c = ROL(c, 10);
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a &= 0xffffffff;
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b &= 0xffffffff;
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c &= 0xffffffff;
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d &= 0xffffffff;
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e &= 0xffffffff;
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var retBlock = [];
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retBlock[0] = a;
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retBlock[1] = b;
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retBlock[2] = c;
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retBlock[3] = d;
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retBlock[4] = e;
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retBlock[5] = x;
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retBlock[6] = s;
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return retBlock;
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}
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function MDinit(MDbuf) {
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MDbuf[0] = 0x67452301;
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MDbuf[1] = 0xefcdab89;
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MDbuf[2] = 0x98badcfe;
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MDbuf[3] = 0x10325476;
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MDbuf[4] = 0xc3d2e1f0;
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}
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var ROLs = [
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[11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8],
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[7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12],
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[11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5],
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[11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12],
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[9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6],
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[8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6],
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[9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11],
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[9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5],
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[15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8],
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[8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11]
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];
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var indexes = [
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[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15],
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[7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8],
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[3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12],
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[1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2],
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[4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13],
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[5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12],
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[6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2],
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[15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13],
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[8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14],
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[12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11]
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];
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function compress(MDbuf, X) {
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blockA = [];
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blockB = [];
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var retBlock;
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var i, j;
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for (i = 0; i < 5; i++) {
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blockA[i] = new Number(MDbuf[i]);
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blockB[i] = new Number(MDbuf[i]);
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}
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var step = 0;
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for (j = 0; j < 5; j++) {
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for (i = 0; i < 16; i++) {
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retBlock = mixOneRound(
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blockA[(step + 0) % 5],
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blockA[(step + 1) % 5],
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blockA[(step + 2) % 5],
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blockA[(step + 3) % 5],
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blockA[(step + 4) % 5],
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X[indexes[j][i]],
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ROLs[j][i],
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j);
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blockA[(step + 0) % 5] = retBlock[0];
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blockA[(step + 1) % 5] = retBlock[1];
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blockA[(step + 2) % 5] = retBlock[2];
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blockA[(step + 3) % 5] = retBlock[3];
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blockA[(step + 4) % 5] = retBlock[4];
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step += 4;
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}
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}
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step = 0;
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for (j = 5; j < 10; j++) {
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for (i = 0; i < 16; i++) {
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retBlock = mixOneRound(
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blockB[(step + 0) % 5],
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blockB[(step + 1) % 5],
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blockB[(step + 2) % 5],
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blockB[(step + 3) % 5],
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blockB[(step + 4) % 5],
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X[indexes[j][i]],
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ROLs[j][i],
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j);
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blockB[(step + 0) % 5] = retBlock[0];
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blockB[(step + 1) % 5] = retBlock[1];
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blockB[(step + 2) % 5] = retBlock[2];
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blockB[(step + 3) % 5] = retBlock[3];
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blockB[(step + 4) % 5] = retBlock[4];
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step += 4;
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}
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}
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blockB[3] += blockA[2] + MDbuf[1];
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MDbuf[1] = MDbuf[2] + blockA[3] + blockB[4];
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MDbuf[2] = MDbuf[3] + blockA[4] + blockB[0];
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MDbuf[3] = MDbuf[4] + blockA[0] + blockB[1];
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MDbuf[4] = MDbuf[0] + blockA[1] + blockB[2];
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MDbuf[0] = blockB[3];
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}
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function zeroX(X) {
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for (var i = 0; i < 16; i++) {
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X[i] = 0;
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}
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}
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function MDfinish(MDbuf, strptr, lswlen, mswlen) {
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var X = new Array(16);
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zeroX(X);
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var j = 0;
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for (var i = 0; i < (lswlen & 63); i++) {
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X[i >>> 2] ^= (strptr.charCodeAt(j++) & 255) << (8 * (i & 3));
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}
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X[(lswlen >>> 2) & 15] ^= 1 << (8 * (lswlen & 3) + 7);
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if ((lswlen & 63) > 55) {
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compress(MDbuf, X);
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X = new Array(16);
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zeroX(X);
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}
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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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}
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function BYTES_TO_DWORD(fourChars) {
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var tmp = (fourChars.charCodeAt(3) & 255) << 24;
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tmp |= (fourChars.charCodeAt(2) & 255) << 16;
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tmp |= (fourChars.charCodeAt(1) & 255) << 8;
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tmp |= (fourChars.charCodeAt(0) & 255);
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return tmp;
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}
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function RMD(message) {
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var MDbuf = new Array(RMDsize / 32);
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var hashcode = new Array(RMDsize / 8);
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var length;
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var nbytes;
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MDinit(MDbuf);
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length = message.length;
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var X = new Array(16);
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zeroX(X);
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var i, j = 0;
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for (nbytes = length; nbytes > 63; nbytes -= 64) {
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for (i = 0; i < 16; i++) {
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X[i] = BYTES_TO_DWORD(message.substr(j, 4));
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j += 4;
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}
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compress(MDbuf, X);
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}
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MDfinish(MDbuf, message.substr(j), length, 0);
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for (i = 0; i < RMDsize / 8; i += 4) {
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hashcode[i] = MDbuf[i >>> 2] & 255;
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hashcode[i + 1] = (MDbuf[i >>> 2] >>> 8) & 255;
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hashcode[i + 2] = (MDbuf[i >>> 2] >>> 16) & 255;
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hashcode[i + 3] = (MDbuf[i >>> 2] >>> 24) & 255;
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}
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return hashcode;
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}
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function RMDstring(message) {
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var hashcode = RMD(message);
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var retString = "";
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for (var i = 0; i < RMDsize / 8; i++) {
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retString += String.fromCharCode(hashcode[i]);
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}
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return retString;
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}
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module.exports = RMDstring;
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</code></pre>
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</article>
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</section>
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<h2><a href="index.html">Index</a></h2><h3>Modules</h3><ul><li><a href="module-armor.html">armor</a></li><li><a href="module-cleartext.html">cleartext</a></li><li><a href="module-config.html">config</a></li><li><a href="config.html">config/config</a></li><li><a href="localStorage.html">config/localStorage</a></li><li><a href="module-crypto.html">crypto</a></li><li><a href="cfb.html">crypto/cfb</a></li><li><a href="cipher.html">crypto/cipher</a></li><li><a href="aes.html">crypto/cipher/aes</a></li><li><a href="blowfish.html">crypto/cipher/blowfish</a></li><li><a href="cast5.html">crypto/cipher/cast5</a></li><li><a href="des.html">crypto/cipher/des</a></li><li><a href="twofish.html">crypto/cipher/twofish</a></li><li><a href="crypto.html">crypto/crypto</a></li><li><a href="hash.html">crypto/hash</a></li><li><a href="md5.html">crypto/hash/md5</a></li><li><a href="ripe-md.html">crypto/hash/ripe-md</a></li><li><a href="sha.html">crypto/hash/sha</a></li><li><a href="pkcs1.html">crypto/pkcs1</a></li><li><a href="public_key.html">crypto/public_key</a></li><li><a href="dsa.html">crypto/public_key/dsa</a></li><li><a href="elgamal.html">crypto/public_key/elgamal</a></li><li><a href="jsbn.html">crypto/public_key/jsbn</a></li><li><a href="rsa.html">crypto/public_key/rsa</a></li><li><a href="random.html">crypto/random</a></li><li><a href="signature.html">crypto/signature</a></li><li><a href="armor.html">encoding/armor</a></li><li><a href="base64.html">encoding/base64</a></li><li><a href="module-enums.html">enums</a></li><li><a href="module-key.html">key</a></li><li><a href="module-keyid.html">keyid</a></li><li><a href="keyring.html">keyring/keyring</a></li><li><a href="localstore.html">keyring/localstore</a></li><li><a href="module-message.html">message</a></li><li><a href="module-mpi.html">mpi</a></li><li><a href="module-openpgp.html">openpgp</a></li><li><a href="module-packet.html">packet</a></li><li><a href="compressed.html">packet/compressed</a></li><li><a href="literal.html">packet/literal</a></li><li><a href="marker.html">packet/marker</a></li><li><a href="one_pass_signature.html">packet/one_pass_signature</a></li><li><a href="packet.html">packet/packet</a></li><li><a href="packetlist.html">packet/packetlist</a></li><li><a href="public_key_.html">packet/public_key</a></li><li><a href="public_key_encrypted_session_key.html">packet/public_key_encrypted_session_key</a></li><li><a href="public_subkey.html">packet/public_subkey</a></li><li><a href="secret_key.html">packet/secret_key</a></li><li><a href="secret_subkey.html">packet/secret_subkey</a></li><li><a href="signature_.html">packet/signature</a></li><li><a href="sym_encrypted_integrity_protected.html">packet/sym_encrypted_integrity_protected</a></li><li><a href="sym_encrypted_session_key.html">packet/sym_encrypted_session_key</a></li><li><a href="symmetrically_encrypted.html">packet/symmetrically_encrypted</a></li><li><a href="trust.html">packet/trust</a></li><li><a href="user_attribute.html">packet/user_attribute</a></li><li><a href="userid.html">packet/userid</a></li><li><a href="module-s2k.html">s2k</a></li><li><a href="keyid.html">type/keyid</a></li><li><a href="mpi.html">type/mpi</a></li><li><a href="s2k.html">type/s2k</a></li><li><a href="module-util.html">util</a></li><li><a href="util.html">util/util</a></li></ul><h3>Classes</h3><ul><li><a href="JXG.Util.html">JXG.Util</a></li><li><a href="module-cleartext-CleartextMessage.html">cleartext~CleartextMessage</a></li><li><a href="localStorage-LocalStorage.html">config/localStorage~LocalStorage</a></li><li><a href="keyring-Keyring.html">keyring/keyring~Keyring</a></li><li><a href="module-key-Key.html">key~Key</a></li><li><a href="module-key-SubKey.html">key~SubKey</a></li><li><a href="module-key-User.html">key~User</a></li><li><a href="module-message-Message.html">message~Message</a></li><li><a href="compressed-Compressed.html">packet/compressed~Compressed</a></li><li><a href="literal-Literal.html">packet/literal~Literal</a></li><li><a href="marker-Marker.html">packet/marker~Marker</a></li><li><a href="one_pass_signature-OnePassSignature.html">packet/one_pass_signature~OnePassSignature</a></li><li><a href="packetlist-Packetlist.html">packet/packetlist~Packetlist</a></li><li><a href="public_key_encrypted_session_key-PublicKeyEncryptedSessionKey.html">packet/public_key_encrypted_session_key~PublicKeyEncryptedSessionKey</a></li><li><a href="public_key-PublicKey.html">packet/public_key~PublicKey</a></li><li><a href="public_subkey-PublicSubkey.html">packet/public_subkey~PublicSubkey</a></li><li><a href="secret_key-SecretKey.html">packet/secret_key~SecretKey</a></li><li><a href="secret_subkey-SecretSubkey.html">packet/secret_subkey~SecretSubkey</a></li><li><a href="signature-Signature.html">packet/signature~Signature</a></li><li><a href="sym_encrypted_integrity_protected-SymEncryptedIntegrityProtected.html">packet/sym_encrypted_integrity_protected~SymEncryptedIntegrityProtected</a></li><li><a href="sym_encrypted_session_key-SymEncryptedSessionKey.html">packet/sym_encrypted_session_key~SymEncryptedSessionKey</a></li><li><a href="symmetrically_encrypted-SymmetricallyEncrypted.html">packet/symmetrically_encrypted~SymmetricallyEncrypted</a></li><li><a href="trust-Trust.html">packet/trust~Trust</a></li><li><a href="user_attribute-UserAttribute.html">packet/user_attribute~UserAttribute</a></li><li><a href="userid-Userid.html">packet/userid~Userid</a></li><li><a href="keyid-Keyid.html">type/keyid~Keyid</a></li><li><a href="mpi-Mpi.html">type/mpi~Mpi</a></li><li><a href="s2k-S2k.html">type/s2k~S2k</a></li></ul>
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.2.0</a> on Sun Jan 05 2014 23:07:43 GMT-0800 (PST)
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