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JSLint.

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This commit is contained in:
Joel Martin
2010-09-08 10:11:11 -05:00
parent 2f6a1c2bda
commit d595e65685
7 changed files with 104 additions and 77 deletions
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include/des.js
+37 -28
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@@ -77,7 +77,10 @@
* fine Java utilities: http://www.acme.com/java/
*/
DES = {
"use strict";
/*jslint white: false, bitwise: false, plusplus: false */
var DES = {
// Tables, permutations, S-boxes, etc.
@@ -107,7 +110,7 @@ DES = {
46, 54, 29, 39, 50, 44,
32, 47, 43, 48, 38, 55,
33, 52, 45, 41, 49, 35,
28, 31, ],
28, 31 ],
SP1 : [ 0x01010400, 0x00000000, 0x00010000,
0x01010404, 0x01010004, 0x00010404, 0x00000004, 0x00010000,
0x00000400, 0x01010400, 0x01010404, 0x00000400, 0x01000404,
@@ -237,52 +240,57 @@ DES = {
// Turn an 8-byte key into internal keys.
deskey : function(keyBlock, encrypting, KnL) {
var i, j, l, m, n;
var pc1m = new Array(56);
var pcr = new Array(56);
var kn = new Array(32);
var i, j, l, m, n,
pc1m = new Array(56),
pcr = new Array(56),
kn = new Array(32);
for (j = 0; j < 56; ++j) {
l = DES.pc1[j];
m = l & 07;
pc1m[j] = ((keyBlock[l >>> 3] & DES.bytebit[m]) != 0) ? 1: 0;
m = l & 0x7;
pc1m[j] = ((keyBlock[l >>> 3] & DES.bytebit[m]) !== 0) ? 1: 0;
}
for (i = 0; i < 16; ++i) {
if (encrypting)
if (encrypting) {
m = i << 1;
else
} else {
m = (15- i) << 1;
}
n = m + 1;
kn[m] = kn[n] = 0;
for (j = 0; j < 28; ++j) {
l = j + DES.totrot[i];
if (l < 28)
if (l < 28) {
pcr[j] = pc1m[l];
else
} else {
pcr[j] = pc1m[l - 28];
}
}
for (j = 28; j < 56; ++j) {
l = j + DES.totrot[i];
if (l < 56)
if (l < 56) {
pcr[j] = pc1m[l];
else
} else {
pcr[j] = pc1m[l - 28];
}
}
for (j = 0; j < 24; ++j) {
if (pcr[DES.pc2[j]] != 0)
if (pcr[DES.pc2[j]] !== 0) {
kn[m] |= DES.bigbyte[j];
if (pcr[DES.pc2[j + 24]] != 0)
}
if (pcr[DES.pc2[j + 24]] !== 0) {
kn[n] |= DES.bigbyte[j];
}
}
}
DES.cookey(kn, KnL);
},
cookey: function(raw, KnL) {
var raw0, raw1;
var rawi, KnLi;
var i;
var raw0, raw1,
rawi, KnLi,
i;
for (i = 0, rawi = 0, KnLi = 0; i < 16; ++i) {
raw0 = raw[rawi++];
@@ -320,9 +328,9 @@ DES = {
// The DES function.
des: function(inInts, outInts, keys) {
var fval, work, right, leftt;
var round;
var keysi = 0;
var fval, work, right, leftt,
round,
keysi = 0;
leftt = inInts[0];
right = inInts[1];
@@ -401,25 +409,26 @@ DES = {
// / Squash bytes down to ints.
squashBytesToInts: function (inBytes, inOff, outInts, outOff, intLen) {
for (var i = 0; i < intLen; ++i)
for (var i = 0; i < intLen; ++i) {
outInts[outOff + i] = ((inBytes[inOff + i * 4] & 0xff) << 24)
| ((inBytes[inOff + i * 4+ 1] & 0xff) << 16)
| ((inBytes[inOff + i * 4+ 2] & 0xff) << 8)
| (inBytes[inOff + i * 4+ 3] & 0xff);
}
},
// / Spread ints into unsigned bytes.
spreadIntsToBytes: function (inInts, inOff, outBytes, outOff, intLen) {
for (var i = 0; i < intLen; ++i) {
var i, j, idx;
for (i = 0; i < intLen; ++i) {
outBytes[outOff + i * 4] = (inInts[inOff + i] >>> 24) % 256;
outBytes[outOff + i * 4+ 1] = (inInts[inOff + i] >>> 16) % 256;
outBytes[outOff + i * 4+ 2] = (inInts[inOff + i] >>> 8) % 256;
outBytes[outOff + i * 4+ 3] = (inInts[inOff + i]) % 256;
}
/* Make unsigned */
var idx;
for (var i = 0; i < intLen; ++i) {
for (var j = 0; j < 4; j++) {
for (i = 0; i < intLen; ++i) {
for (j = 0; j < 4; j++) {
idx = outOff + i * 4 + j;
if (outBytes[idx] < 0) {
outBytes[idx] += 256;
@@ -428,4 +437,4 @@ DES = {
}
}
}
};