* fine Java utilities: http://www.acme.com/java/
*/
-/* jslint white: false */
+/* eslint-disable comma-spacing */
-/* [module] export default */ function DES(passwd) {
- "use strict";
+// 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];
- // Tables, permutations, S-boxes, etc.
- // jshint -W013
- 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 = [];
+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];
- // jshint -W015
- 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];
- // jshint +W013,+W015
+/* eslint-enable comma-spacing */
- // Set the key.
- function setKeys(keyBlock) {
- var i, j, l, m, n, o, pc1m = [], pcr = [], kn = [],
- raw0, raw1, rawi, KnLi;
+export default class DES {
+ constructor(password) {
+ this.keys = [];
- for (j = 0, l = 56; j < 56; ++j, l -= 8) {
+ // 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
- m = l & 0x7;
- pc1m[j] = ((keyBlock[l >>> 3] & (1<<m)) !== 0) ? 1: 0;
+ const m = l & 0x7;
+ pc1m[j] = ((password[l >>> 3] & (1<<m)) !== 0) ? 1: 0;
}
- for (i = 0; i < 16; ++i) {
- m = i << 1;
- n = m + 1;
+ for (let i = 0; i < 16; ++i) {
+ const m = i << 1;
+ const 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 (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 (j = 0; j < 24; ++j) {
+ for (let j = 0; j < 24; ++j) {
if (pcr[PC2[j]] !== 0) {
kn[m] |= 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;
+ 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;
- keys[KnLi] = (raw0 & 0x0003f000) << 12;
- keys[KnLi] |= (raw0 & 0x0000003f) << 16;
- keys[KnLi] |= (raw1 & 0x0003f000) >>> 4;
- keys[KnLi] |= (raw1 & 0x0000003f);
+ 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
- function enc8(text) {
- var i = 0, b = text.slice(), fval, keysi = 0,
- l, r, x; // left, right, accumulator
+ 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 ^= x;
l = (l << 1) | ((l >>> 31) & 1);
- for (i = 0; i < 8; ++i) {
+ for (let i = 0, keysi = 0; i < 8; ++i) {
x = (r << 28) | (r >>> 4);
- x ^= keys[keysi++];
- fval = SP7[x & 0x3f];
+ 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 ^ keys[keysi++];
+ 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 ^= keys[keysi++];
+ 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 ^ keys[keysi++];
+ x = l ^ this.keys[keysi++];
fval |= SP8[x & 0x0000003f];
fval |= SP6[(x >>> 8) & 0x3f];
fval |= SP4[(x >>> 16) & 0x3f];
}
// Encrypt 16 bytes of text using passwd as key
- function encrypt(t) {
- return enc8(t.slice(0, 8)).concat(enc8(t.slice(8, 16)));
+ encrypt(t) {
+ return this.enc8(t.slice(0, 8)).concat(this.enc8(t.slice(8, 16)));
}
-
- setKeys(passwd); // Setup keys
- return {'encrypt': encrypt}; // Public interface
-
-}; // function DES
+}
projects / mirror_novnc.git / blobdiff