JavaScript 65.5%
Python 17.8%
CSS 13%
HTML 3.7%
1/*2 * Ported from Flashlight VNC ActionScript implementation:3 * http://www.wizhelp.com/flashlight-vnc/4 *5 * Full attribution follows:6 *7 * -------------------------------------------------------------------------8 *9 * This DES class has been extracted from package Acme.Crypto for use in VNC.10 * The unnecessary odd parity code has been removed.11 *12 * These changes are:13 * Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.14 *15 * This software is distributed in the hope that it will be useful,16 * but WITHOUT ANY WARRANTY; without even the implied warranty of17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.18 *1920 * DesCipher - the DES encryption method21 *22 * The meat of this code is by Dave Zimmerman <dzimm@widget.com>, and is:23 *24 * Copyright (c) 1996 Widget Workshop, Inc. All Rights Reserved.25 *26 * Permission to use, copy, modify, and distribute this software27 * and its documentation for NON-COMMERCIAL or COMMERCIAL purposes and28 * without fee is hereby granted, provided that this copyright notice is kept29 * intact.30 *31 * WIDGET WORKSHOP MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY32 * OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED33 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A34 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. WIDGET WORKSHOP SHALL NOT BE LIABLE35 * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR36 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.37 *38 * THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE39 * CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE40 * PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT41 * NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE42 * SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE43 * SOFTWARE COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE44 * PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH RISK ACTIVITIES"). WIDGET WORKSHOP45 * SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR46 * HIGH RISK ACTIVITIES.47 *48 *49 * The rest is:50 *51 * Copyright (C) 1996 by Jef Poskanzer <jef@acme.com>. All rights reserved.52 *53 * Redistribution and use in source and binary forms, with or without54 * modification, are permitted provided that the following conditions55 * are met:56 * 1. Redistributions of source code must retain the above copyright57 * notice, this list of conditions and the following disclaimer.58 * 2. Redistributions in binary form must reproduce the above copyright59 * notice, this list of conditions and the following disclaimer in the60 * documentation and/or other materials provided with the distribution.61 *62 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE65 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF72 * SUCH DAMAGE.73 *74 * Visit the ACME Labs Java page for up-to-date versions of this and other75 * fine Java utilities: http://www.acme.com/java/76 */7778/* eslint-disable comma-spacing */7980// Tables, permutations, S-boxes, etc.81const PC2 = [13,16,10,23, 0, 4, 2,27,14, 5,20, 9,22,18,11, 3,82 25, 7,15, 6,26,19,12, 1,40,51,30,36,46,54,29,39,83 50,44,32,47,43,48,38,55,33,52,45,41,49,35,28,31 ],84 totrot = [ 1, 2, 4, 6, 8,10,12,14,15,17,19,21,23,25,27,28];8586const z = 0x0;87let a,b,c,d,e,f;88a=1<<16; b=1<<24; c=a|b; d=1<<2; e=1<<10; f=d|e;89const SP1 = [c|e,z|z,a|z,c|f,c|d,a|f,z|d,a|z,z|e,c|e,c|f,z|e,b|f,c|d,b|z,z|d,90 z|f,b|e,b|e,a|e,a|e,c|z,c|z,b|f,a|d,b|d,b|d,a|d,z|z,z|f,a|f,b|z,91 a|z,c|f,z|d,c|z,c|e,b|z,b|z,z|e,c|d,a|z,a|e,b|d,z|e,z|d,b|f,a|f,92 c|f,a|d,c|z,b|f,b|d,z|f,a|f,c|e,z|f,b|e,b|e,z|z,a|d,a|e,z|z,c|d];93a=1<<20; b=1<<31; c=a|b; d=1<<5; e=1<<15; f=d|e;94const SP2 = [c|f,b|e,z|e,a|f,a|z,z|d,c|d,b|f,b|d,c|f,c|e,b|z,b|e,a|z,z|d,c|d,95 a|e,a|d,b|f,z|z,b|z,z|e,a|f,c|z,a|d,b|d,z|z,a|e,z|f,c|e,c|z,z|f,96 z|z,a|f,c|d,a|z,b|f,c|z,c|e,z|e,c|z,b|e,z|d,c|f,a|f,z|d,z|e,b|z,97 z|f,c|e,a|z,b|d,a|d,b|f,b|d,a|d,a|e,z|z,b|e,z|f,b|z,c|d,c|f,a|e];98a=1<<17; b=1<<27; c=a|b; d=1<<3; e=1<<9; f=d|e;99const SP3 = [z|f,c|e,z|z,c|d,b|e,z|z,a|f,b|e,a|d,b|d,b|d,a|z,c|f,a|d,c|z,z|f,100 b|z,z|d,c|e,z|e,a|e,c|z,c|d,a|f,b|f,a|e,a|z,b|f,z|d,c|f,z|e,b|z,101 c|e,b|z,a|d,z|f,a|z,c|e,b|e,z|z,z|e,a|d,c|f,b|e,b|d,z|e,z|z,c|d,102 b|f,a|z,b|z,c|f,z|d,a|f,a|e,b|d,c|z,b|f,z|f,c|z,a|f,z|d,c|d,a|e];103a=1<<13; b=1<<23; c=a|b; d=1<<0; e=1<<7; f=d|e;104const SP4 = [c|d,a|f,a|f,z|e,c|e,b|f,b|d,a|d,z|z,c|z,c|z,c|f,z|f,z|z,b|e,b|d,105 z|d,a|z,b|z,c|d,z|e,b|z,a|d,a|e,b|f,z|d,a|e,b|e,a|z,c|e,c|f,z|f,106 b|e,b|d,c|z,c|f,z|f,z|z,z|z,c|z,a|e,b|e,b|f,z|d,c|d,a|f,a|f,z|e,107 c|f,z|f,z|d,a|z,b|d,a|d,c|e,b|f,a|d,a|e,b|z,c|d,z|e,b|z,a|z,c|e];108a=1<<25; b=1<<30; c=a|b; d=1<<8; e=1<<19; f=d|e;109const SP5 = [z|d,a|f,a|e,c|d,z|e,z|d,b|z,a|e,b|f,z|e,a|d,b|f,c|d,c|e,z|f,b|z,110 a|z,b|e,b|e,z|z,b|d,c|f,c|f,a|d,c|e,b|d,z|z,c|z,a|f,a|z,c|z,z|f,111 z|e,c|d,z|d,a|z,b|z,a|e,c|d,b|f,a|d,b|z,c|e,a|f,b|f,z|d,a|z,c|e,112 c|f,z|f,c|z,c|f,a|e,z|z,b|e,c|z,z|f,a|d,b|d,z|e,z|z,b|e,a|f,b|d];113a=1<<22; b=1<<29; c=a|b; d=1<<4; e=1<<14; f=d|e;114const SP6 = [b|d,c|z,z|e,c|f,c|z,z|d,c|f,a|z,b|e,a|f,a|z,b|d,a|d,b|e,b|z,z|f,115 z|z,a|d,b|f,z|e,a|e,b|f,z|d,c|d,c|d,z|z,a|f,c|e,z|f,a|e,c|e,b|z,116 b|e,z|d,c|d,a|e,c|f,a|z,z|f,b|d,a|z,b|e,b|z,z|f,b|d,c|f,a|e,c|z,117 a|f,c|e,z|z,c|d,z|d,z|e,c|z,a|f,z|e,a|d,b|f,z|z,c|e,b|z,a|d,b|f];118a=1<<21; b=1<<26; c=a|b; d=1<<1; e=1<<11; f=d|e;119const SP7 = [a|z,c|d,b|f,z|z,z|e,b|f,a|f,c|e,c|f,a|z,z|z,b|d,z|d,b|z,c|d,z|f,120 b|e,a|f,a|d,b|e,b|d,c|z,c|e,a|d,c|z,z|e,z|f,c|f,a|e,z|d,b|z,a|e,121 b|z,a|e,a|z,b|f,b|f,c|d,c|d,z|d,a|d,b|z,b|e,a|z,c|e,z|f,a|f,c|e,122 z|f,b|d,c|f,c|z,a|e,z|z,z|d,c|f,z|z,a|f,c|z,z|e,b|d,b|e,z|e,a|d];123a=1<<18; b=1<<28; c=a|b; d=1<<6; e=1<<12; f=d|e;124const SP8 = [b|f,z|e,a|z,c|f,b|z,b|f,z|d,b|z,a|d,c|z,c|f,a|e,c|e,a|f,z|e,z|d,125 c|z,b|d,b|e,z|f,a|e,a|d,c|d,c|e,z|f,z|z,z|z,c|d,b|d,b|e,a|f,a|z,126 a|f,a|z,c|e,z|e,z|d,c|d,z|e,a|f,b|e,z|d,b|d,c|z,c|d,b|z,a|z,b|f,127 z|z,c|f,a|d,b|d,c|z,b|e,b|f,z|z,c|f,a|e,a|e,z|f,z|f,a|d,b|z,c|e];128129/* eslint-enable comma-spacing */130131class DES {132 constructor(password) {133 this.keys = [];134135 // Set the key.136 const pc1m = [], pcr = [], kn = [];137138 for (let j = 0, l = 56; j < 56; ++j, l -= 8) {139 l += l < -5 ? 65 : l < -3 ? 31 : l < -1 ? 63 : l === 27 ? 35 : 0; // PC1140 const m = l & 0x7;141 pc1m[j] = ((password[l >>> 3] & (1<<m)) !== 0) ? 1: 0;142 }143144 for (let i = 0; i < 16; ++i) {145 const m = i << 1;146 const n = m + 1;147 kn[m] = kn[n] = 0;148 for (let o = 28; o < 59; o += 28) {149 for (let j = o - 28; j < o; ++j) {150 const l = j + totrot[i];151 pcr[j] = l < o ? pc1m[l] : pc1m[l - 28];152 }153 }154 for (let j = 0; j < 24; ++j) {155 if (pcr[PC2[j]] !== 0) {156 kn[m] |= 1 << (23 - j);157 }158 if (pcr[PC2[j + 24]] !== 0) {159 kn[n] |= 1 << (23 - j);160 }161 }162 }163164 // cookey165 for (let i = 0, rawi = 0, KnLi = 0; i < 16; ++i) {166 const raw0 = kn[rawi++];167 const raw1 = kn[rawi++];168 this.keys[KnLi] = (raw0 & 0x00fc0000) << 6;169 this.keys[KnLi] |= (raw0 & 0x00000fc0) << 10;170 this.keys[KnLi] |= (raw1 & 0x00fc0000) >>> 10;171 this.keys[KnLi] |= (raw1 & 0x00000fc0) >>> 6;172 ++KnLi;173 this.keys[KnLi] = (raw0 & 0x0003f000) << 12;174 this.keys[KnLi] |= (raw0 & 0x0000003f) << 16;175 this.keys[KnLi] |= (raw1 & 0x0003f000) >>> 4;176 this.keys[KnLi] |= (raw1 & 0x0000003f);177 ++KnLi;178 }179 }180181 // Encrypt 8 bytes of text182 enc8(text) {183 const b = text.slice();184 let i = 0, l, r, x; // left, right, accumulator185186 // Squash 8 bytes to 2 ints187 l = b[i++]<<24 | b[i++]<<16 | b[i++]<<8 | b[i++];188 r = b[i++]<<24 | b[i++]<<16 | b[i++]<<8 | b[i++];189190 x = ((l >>> 4) ^ r) & 0x0f0f0f0f;191 r ^= x;192 l ^= (x << 4);193 x = ((l >>> 16) ^ r) & 0x0000ffff;194 r ^= x;195 l ^= (x << 16);196 x = ((r >>> 2) ^ l) & 0x33333333;197 l ^= x;198 r ^= (x << 2);199 x = ((r >>> 8) ^ l) & 0x00ff00ff;200 l ^= x;201 r ^= (x << 8);202 r = (r << 1) | ((r >>> 31) & 1);203 x = (l ^ r) & 0xaaaaaaaa;204 l ^= x;205 r ^= x;206 l = (l << 1) | ((l >>> 31) & 1);207208 for (let i = 0, keysi = 0; i < 8; ++i) {209 x = (r << 28) | (r >>> 4);210 x ^= this.keys[keysi++];211 let fval = SP7[x & 0x3f];212 fval |= SP5[(x >>> 8) & 0x3f];213 fval |= SP3[(x >>> 16) & 0x3f];214 fval |= SP1[(x >>> 24) & 0x3f];215 x = r ^ this.keys[keysi++];216 fval |= SP8[x & 0x3f];217 fval |= SP6[(x >>> 8) & 0x3f];218 fval |= SP4[(x >>> 16) & 0x3f];219 fval |= SP2[(x >>> 24) & 0x3f];220 l ^= fval;221 x = (l << 28) | (l >>> 4);222 x ^= this.keys[keysi++];223 fval = SP7[x & 0x3f];224 fval |= SP5[(x >>> 8) & 0x3f];225 fval |= SP3[(x >>> 16) & 0x3f];226 fval |= SP1[(x >>> 24) & 0x3f];227 x = l ^ this.keys[keysi++];228 fval |= SP8[x & 0x0000003f];229 fval |= SP6[(x >>> 8) & 0x3f];230 fval |= SP4[(x >>> 16) & 0x3f];231 fval |= SP2[(x >>> 24) & 0x3f];232 r ^= fval;233 }234235 r = (r << 31) | (r >>> 1);236 x = (l ^ r) & 0xaaaaaaaa;237 l ^= x;238 r ^= x;239 l = (l << 31) | (l >>> 1);240 x = ((l >>> 8) ^ r) & 0x00ff00ff;241 r ^= x;242 l ^= (x << 8);243 x = ((l >>> 2) ^ r) & 0x33333333;244 r ^= x;245 l ^= (x << 2);246 x = ((r >>> 16) ^ l) & 0x0000ffff;247 l ^= x;248 r ^= (x << 16);249 x = ((r >>> 4) ^ l) & 0x0f0f0f0f;250 l ^= x;251 r ^= (x << 4);252253 // Spread ints to bytes254 x = [r, l];255 for (i = 0; i < 8; i++) {256 b[i] = (x[i>>>2] >>> (8 * (3 - (i % 4)))) % 256;257 if (b[i] < 0) { b[i] += 256; } // unsigned258 }259 return b;260 }261}262263export class DESECBCipher {264 constructor() {265 this._cipher = null;266 }267268 get algorithm() {269 return { name: "DES-ECB" };270 }271272 static importKey(key, _algorithm, _extractable, _keyUsages) {273 const cipher = new DESECBCipher;274 cipher._importKey(key);275 return cipher;276 }277278 _importKey(key, _extractable, _keyUsages) {279 this._cipher = new DES(key);280 }281282 encrypt(_algorithm, plaintext) {283 const x = new Uint8Array(plaintext);284 if (x.length % 8 !== 0 || this._cipher === null) {285 return null;286 }287 const n = x.length / 8;288 for (let i = 0; i < n; i++) {289 x.set(this._cipher.enc8(x.slice(i * 8, i * 8 + 8)), i * 8);290 }291 return x;292 }293}294295export class DESCBCCipher {296 constructor() {297 this._cipher = null;298 }299300 get algorithm() {301 return { name: "DES-CBC" };302 }303304 static importKey(key, _algorithm, _extractable, _keyUsages) {305 const cipher = new DESCBCCipher;306 cipher._importKey(key);307 return cipher;308 }309310 _importKey(key) {311 this._cipher = new DES(key);312 }313314 encrypt(algorithm, plaintext) {315 const x = new Uint8Array(plaintext);316 let y = new Uint8Array(algorithm.iv);317 if (x.length % 8 !== 0 || this._cipher === null) {318 return null;319 }320 const n = x.length / 8;321 for (let i = 0; i < n; i++) {322 for (let j = 0; j < 8; j++) {323 y[j] ^= plaintext[i * 8 + j];324 }325 y = this._cipher.enc8(y);326 x.set(y, i * 8);327 }328 return x;329 }330}331