mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-19 20:01:33 +03:00
267 lines
11 KiB
JavaScript
267 lines
11 KiB
JavaScript
|
/*
|
||
|
|
* 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/
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* eslint-disable comma-spacing */
|
||
|
|
|
||
|
|
// Tables, permutations, S-boxes, etc.
|
||
|
|
const 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];
|
||
|
|
|
||
|
|
const z = 0x0;
|
||
|
|
let a,b,c,d,e,f;
|
||
|
|
a=1<<16; b=1<<24; c=a|b; d=1<<2; e=1<<10; f=d|e;
|
||
|
|
const 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;
|
||
|
|
const 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;
|
||
|
|
const 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;
|
||
|
|
const 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;
|
||
|
|
const 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;
|
||
|
|
const 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;
|
||
|
|
const 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;
|
||
|
|
const 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];
|
||
|
|
|
||
|
|
/* eslint-enable comma-spacing */
|
||
|
|
|
||
|
|
export default class DES {
|
||
|
|
constructor(password) {
|
||
|
|
this.keys = [];
|
||
|
|
|
||
|
|
// Set the key.
|
||
|
|
const pc1m = [], pcr = [], kn = [];
|
||
|
|
|
||
|
|
for (let j = 0, l = 56; j < 56; ++j, l -= 8) {
|
||
|
|
l += l < -5 ? 65 : l < -3 ? 31 : l < -1 ? 63 : l === 27 ? 35 : 0; // PC1
|
||
|
|
const m = l & 0x7;
|
||
|
|
pc1m[j] = ((password[l >>> 3] & (1<<m)) !== 0) ? 1: 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (let i = 0; i < 16; ++i) {
|
||
|
|
const m = i << 1;
|
||
|
|
const n = m + 1;
|
||
|
|
kn[m] = kn[n] = 0;
|
||
|
|
for (let o = 28; o < 59; o += 28) {
|
||
|
|
for (let j = o - 28; j < o; ++j) {
|
||
|
|
const l = j + totrot[i];
|
||
|
|
pcr[j] = l < o ? pc1m[l] : pc1m[l - 28];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for (let 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 (let i = 0, rawi = 0, KnLi = 0; i < 16; ++i) {
|
||
|
|
const raw0 = kn[rawi++];
|
||
|
|
const raw1 = kn[rawi++];
|
||
|
|
this.keys[KnLi] = (raw0 & 0x00fc0000) << 6;
|
||
|
|
this.keys[KnLi] |= (raw0 & 0x00000fc0) << 10;
|
||
|
|
this.keys[KnLi] |= (raw1 & 0x00fc0000) >>> 10;
|
||
|
|
this.keys[KnLi] |= (raw1 & 0x00000fc0) >>> 6;
|
||
|
|
++KnLi;
|
||
|
|
this.keys[KnLi] = (raw0 & 0x0003f000) << 12;
|
||
|
|
this.keys[KnLi] |= (raw0 & 0x0000003f) << 16;
|
||
|
|
this.keys[KnLi] |= (raw1 & 0x0003f000) >>> 4;
|
||
|
|
this.keys[KnLi] |= (raw1 & 0x0000003f);
|
||
|
|
++KnLi;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Encrypt 8 bytes of text
|
||
|
|
enc8(text) {
|
||
|
|
const b = text.slice();
|
||
|
|
let i = 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 (let i = 0, keysi = 0; i < 8; ++i) {
|
||
|
|
x = (r << 28) | (r >>> 4);
|
||
|
|
x ^= this.keys[keysi++];
|
||
|
|
let fval = SP7[x & 0x3f];
|
||
|
|
fval |= SP5[(x >>> 8) & 0x3f];
|
||
|
|
fval |= SP3[(x >>> 16) & 0x3f];
|
||
|
|
fval |= SP1[(x >>> 24) & 0x3f];
|
||
|
|
x = r ^ this.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 ^= this.keys[keysi++];
|
||
|
|
fval = SP7[x & 0x3f];
|
||
|
|
fval |= SP5[(x >>> 8) & 0x3f];
|
||
|
|
fval |= SP3[(x >>> 16) & 0x3f];
|
||
|
|
fval |= SP1[(x >>> 24) & 0x3f];
|
||
|
|
x = l ^ this.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
|
||
|
|
encrypt(t) {
|
||
|
|
return this.enc8(t.slice(0, 8)).concat(this.enc8(t.slice(8, 16)));
|
||
|
|
}
|
||
|
|
}
|