summaryrefslogtreecommitdiffstats
path: root/webclients/novnc/include/des.js
diff options
context:
space:
mode:
Diffstat (limited to 'webclients/novnc/include/des.js')
-rw-r--r--webclients/novnc/include/des.js273
1 files changed, 273 insertions, 0 deletions
diff --git a/webclients/novnc/include/des.js b/webclients/novnc/include/des.js
new file mode 100644
index 0000000..1f95285
--- /dev/null
+++ b/webclients/novnc/include/des.js
@@ -0,0 +1,273 @@
+/*
+ * Ported from Flashlight VNC ActionScript implementation:
+ * http://www.wizhelp.com/flashlight-vnc/
+ *
+ * Full attribution follows:
+ *
+ * -------------------------------------------------------------------------
+ *
+ * This DES class has been extracted from package Acme.Crypto for use in VNC.
+ * The unnecessary odd parity code has been removed.
+ *
+ * These changes are:
+ * Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+
+ * DesCipher - the DES encryption method
+ *
+ * The meat of this code is by Dave Zimmerman <dzimm@widget.com>, and is:
+ *
+ * Copyright (c) 1996 Widget Workshop, Inc. All Rights Reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software
+ * and its documentation for NON-COMMERCIAL or COMMERCIAL purposes and
+ * without fee is hereby granted, provided that this copyright notice is kept
+ * intact.
+ *
+ * WIDGET WORKSHOP MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY
+ * OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+ * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. WIDGET WORKSHOP SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
+ *
+ * THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
+ * CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE
+ * PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT
+ * NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE
+ * SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
+ * SOFTWARE COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE
+ * PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH RISK ACTIVITIES"). WIDGET WORKSHOP
+ * SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR
+ * HIGH RISK ACTIVITIES.
+ *
+ *
+ * The rest is:
+ *
+ * Copyright (C) 1996 by Jef Poskanzer <jef@acme.com>. All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ * Visit the ACME Labs Java page for up-to-date versions of this and other
+ * fine Java utilities: http://www.acme.com/java/
+ */
+
+"use strict";
+/*jslint white: false, bitwise: false, plusplus: false */
+
+function DES(passwd) {
+
+// Tables, permutations, S-boxes, etc.
+var PC2 = [13,16,10,23, 0, 4, 2,27,14, 5,20, 9,22,18,11, 3,
+ 25, 7,15, 6,26,19,12, 1,40,51,30,36,46,54,29,39,
+ 50,44,32,47,43,48,38,55,33,52,45,41,49,35,28,31 ],
+ totrot = [ 1, 2, 4, 6, 8,10,12,14,15,17,19,21,23,25,27,28],
+ z = 0x0, a,b,c,d,e,f, SP1,SP2,SP3,SP4,SP5,SP6,SP7,SP8,
+ keys = [];
+
+a=1<<16; b=1<<24; c=a|b; d=1<<2; e=1<<10; f=d|e;
+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,
+ 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,
+ 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,
+ 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];
+a=1<<20; b=1<<31; c=a|b; d=1<<5; e=1<<15; f=d|e;
+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,
+ 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,
+ 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,
+ 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];
+a=1<<17; b=1<<27; c=a|b; d=1<<3; e=1<<9; f=d|e;
+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,
+ 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,
+ 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,
+ 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];
+a=1<<13; b=1<<23; c=a|b; d=1<<0; e=1<<7; f=d|e;
+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,
+ 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,
+ 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,
+ 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];
+a=1<<25; b=1<<30; c=a|b; d=1<<8; e=1<<19; f=d|e;
+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,
+ 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,
+ 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,
+ 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];
+a=1<<22; b=1<<29; c=a|b; d=1<<4; e=1<<14; f=d|e;
+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,
+ 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,
+ 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,
+ 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];
+a=1<<21; b=1<<26; c=a|b; d=1<<1; e=1<<11; f=d|e;
+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,
+ 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,
+ 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,
+ 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];
+a=1<<18; b=1<<28; c=a|b; d=1<<6; e=1<<12; f=d|e;
+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,
+ 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,
+ 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,
+ 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];
+
+// Set the key.
+function setKeys(keyBlock) {
+ var i, j, l, m, n, o, pc1m = [], pcr = [], kn = [],
+ raw0, raw1, rawi, KnLi;
+
+ for (j = 0, l = 56; j < 56; ++j, l-=8) {
+ l += l<-5 ? 65 : l<-3 ? 31 : l<-1 ? 63 : l===27 ? 35 : 0; // PC1
+ m = l & 0x7;
+ pc1m[j] = ((keyBlock[l >>> 3] & (1<<m)) !== 0) ? 1: 0;
+ }
+
+ for (i = 0; i < 16; ++i) {
+ m = i << 1;
+ n = m + 1;
+ kn[m] = kn[n] = 0;
+ for (o=28; o<59; o+=28) {
+ for (j = o-28; j < o; ++j) {
+ l = j + totrot[i];
+ if (l < o) {
+ pcr[j] = pc1m[l];
+ } else {
+ pcr[j] = pc1m[l - 28];
+ }
+ }
+ }
+ for (j = 0; j < 24; ++j) {
+ if (pcr[PC2[j]] !== 0) {
+ kn[m] |= 1<<(23-j);
+ }
+ if (pcr[PC2[j + 24]] !== 0) {
+ kn[n] |= 1<<(23-j);
+ }
+ }
+ }
+
+ // cookey
+ for (i = 0, rawi = 0, KnLi = 0; i < 16; ++i) {
+ raw0 = kn[rawi++];
+ raw1 = kn[rawi++];
+ keys[KnLi] = (raw0 & 0x00fc0000) << 6;
+ keys[KnLi] |= (raw0 & 0x00000fc0) << 10;
+ keys[KnLi] |= (raw1 & 0x00fc0000) >>> 10;
+ keys[KnLi] |= (raw1 & 0x00000fc0) >>> 6;
+ ++KnLi;
+ keys[KnLi] = (raw0 & 0x0003f000) << 12;
+ keys[KnLi] |= (raw0 & 0x0000003f) << 16;
+ keys[KnLi] |= (raw1 & 0x0003f000) >>> 4;
+ keys[KnLi] |= (raw1 & 0x0000003f);
+ ++KnLi;
+ }
+}
+
+// Encrypt 8 bytes of text
+function enc8(text) {
+ var i = 0, b = text.slice(), fval, keysi = 0,
+ l, r, x; // left, right, accumulator
+
+ // Squash 8 bytes to 2 ints
+ l = b[i++]<<24 | b[i++]<<16 | b[i++]<<8 | b[i++];
+ r = b[i++]<<24 | b[i++]<<16 | b[i++]<<8 | b[i++];
+
+ x = ((l >>> 4) ^ r) & 0x0f0f0f0f;
+ r ^= x;
+ l ^= (x << 4);
+ x = ((l >>> 16) ^ r) & 0x0000ffff;
+ r ^= x;
+ l ^= (x << 16);
+ x = ((r >>> 2) ^ l) & 0x33333333;
+ l ^= x;
+ r ^= (x << 2);
+ x = ((r >>> 8) ^ l) & 0x00ff00ff;
+ l ^= x;
+ r ^= (x << 8);
+ r = (r << 1) | ((r >>> 31) & 1);
+ x = (l ^ r) & 0xaaaaaaaa;
+ l ^= x;
+ r ^= x;
+ l = (l << 1) | ((l >>> 31) & 1);
+
+ for (i = 0; i < 8; ++i) {
+ x = (r << 28) | (r >>> 4);
+ x ^= keys[keysi++];
+ fval = SP7[x & 0x3f];
+ fval |= SP5[(x >>> 8) & 0x3f];
+ fval |= SP3[(x >>> 16) & 0x3f];
+ fval |= SP1[(x >>> 24) & 0x3f];
+ x = r ^ keys[keysi++];
+ fval |= SP8[x & 0x3f];
+ fval |= SP6[(x >>> 8) & 0x3f];
+ fval |= SP4[(x >>> 16) & 0x3f];
+ fval |= SP2[(x >>> 24) & 0x3f];
+ l ^= fval;
+ x = (l << 28) | (l >>> 4);
+ x ^= keys[keysi++];
+ fval = SP7[x & 0x3f];
+ fval |= SP5[(x >>> 8) & 0x3f];
+ fval |= SP3[(x >>> 16) & 0x3f];
+ fval |= SP1[(x >>> 24) & 0x3f];
+ x = l ^ keys[keysi++];
+ fval |= SP8[x & 0x0000003f];
+ fval |= SP6[(x >>> 8) & 0x3f];
+ fval |= SP4[(x >>> 16) & 0x3f];
+ fval |= SP2[(x >>> 24) & 0x3f];
+ r ^= fval;
+ }
+
+ r = (r << 31) | (r >>> 1);
+ x = (l ^ r) & 0xaaaaaaaa;
+ l ^= x;
+ r ^= x;
+ l = (l << 31) | (l >>> 1);
+ x = ((l >>> 8) ^ r) & 0x00ff00ff;
+ r ^= x;
+ l ^= (x << 8);
+ x = ((l >>> 2) ^ r) & 0x33333333;
+ r ^= x;
+ l ^= (x << 2);
+ x = ((r >>> 16) ^ l) & 0x0000ffff;
+ l ^= x;
+ r ^= (x << 16);
+ x = ((r >>> 4) ^ l) & 0x0f0f0f0f;
+ l ^= x;
+ r ^= (x << 4);
+
+ // Spread ints to bytes
+ x = [r, l];
+ for (i = 0; i < 8; i++) {
+ b[i] = (x[i>>>2] >>> (8*(3 - (i%4)))) % 256;
+ if (b[i] < 0) { b[i] += 256; } // unsigned
+ }
+ return b;
+}
+
+// Encrypt 16 bytes of text using passwd as key
+function encrypt(t) {
+ return enc8(t.slice(0,8)).concat(enc8(t.slice(8,16)));
+}
+
+setKeys(passwd); // Setup keys
+return {'encrypt': encrypt}; // Public interface
+
+} // function DES