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password-manager-mirror/frontend/delta/js/Clipperz/Crypto/AES.js

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/*
Copyright 2008-2018 Clipperz Srl
This file is part of Clipperz, the online password manager.
For further information about its features and functionalities please
refer to http://www.clipperz.com.
* Clipperz is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
* Clipperz 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.
See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public
License along with Clipperz. If not, see http://www.gnu.org/licenses/.
*/
"use strict";
try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) {
throw "Clipperz.Crypto.AES depends on Clipperz.ByteArray!";
}
// Dependency commented to avoid a circular reference
//try { if (typeof(Clipperz.Crypto.PRNG) == 'undefined') { throw ""; }} catch (e) {
// throw "Clipperz.Crypto.AES depends on Clipperz.Crypto.PRNG!";
//}
if (typeof(Clipperz.Crypto.AES) == 'undefined') { Clipperz.Crypto.AES = {}; }
//#############################################################################
Clipperz.Crypto.AES.DeferredExecutionContext = function(args) {
args = args || {};
this._key = args.key;
this._message = args.message;
this._result = args.message.clone();
this._nonce = args.nonce;
this._messageLength = this._message.length();
this._messageArray = this._message.arrayValues();
this._resultArray = this._result.arrayValues();
this._nonceArray = this._nonce.arrayValues();
this._executionStep = 0;
// this._elaborationChunkSize = 1024; // 4096; // 16384; // 4096;
this._elaborationChunks = 10;
this._pauseTime = 0.02; // 0.02 // 0.2;
return this;
}
Clipperz.Crypto.AES.DeferredExecutionContext.prototype = MochiKit.Base.update(null, {
'key': function() {
return this._key;
},
'message': function() {
return this._message;
},
'messageLength': function() {
return this._messageLength;
},
'result': function() {
return new Clipperz.ByteArray(this.resultArray());
},
'nonce': function() {
return this._nonce;
},
'messageArray': function() {
return this._messageArray;
},
'resultArray': function() {
return this._resultArray;
},
'nonceArray': function() {
return this._nonceArray;
},
'elaborationChunkSize': function() {
// return Clipperz.Crypto.AES.DeferredExecution.chunkSize;
// return this._elaborationChunkSize;
return (this._elaborationChunks * 1024);
},
'executionStep': function() {
return this._executionStep;
},
'setExecutionStep': function(aValue) {
this._executionStep = aValue;
},
'tuneExecutionParameters': function (anElapsedTime) {
//var originalChunks = this._elaborationChunks;
if (anElapsedTime > 0) {
this._elaborationChunks = Math.round(this._elaborationChunks * ((anElapsedTime + 1000)/(anElapsedTime * 2)));
}
//Clipperz.log("tuneExecutionParameters - elapsedTime: " + anElapsedTime + /*originalChunks,*/ " chunks # " + this._elaborationChunks + " [" + this._executionStep + " / " + this._messageLength + "]");
},
'pause': function(aValue) {
// return MochiKit.Async.wait(Clipperz.Crypto.AES.DeferredExecution.pauseTime, aValue);
return MochiKit.Async.wait(this._pauseTime, aValue);
},
'isDone': function () {
return (this._executionStep >= this._messageLength);
},
//-----------------------------------------------------------------------------
__syntaxFix__: "syntax fix"
});
//#############################################################################
Clipperz.Crypto.AES.Key = function(args) {
args = args || {};
this._key = args.key;
this._keySize = args.keySize || this.key().length();
if (this.keySize() == 128/8) {
this._b = 176;
this._numberOfRounds = 10;
} else if (this.keySize() == 256/8) {
this._b = 240;
this._numberOfRounds = 14;
} else {
Clipperz.logError("AES unsupported key size: " + (this.keySize() * 8) + " bits");
throw Clipperz.Crypto.AES.exception.UnsupportedKeySize;
}
this._stretchedKey = null;
return this;
}
Clipperz.Crypto.AES.Key.prototype = MochiKit.Base.update(null, {
'asString': function() {
return "Clipperz.Crypto.AES.Key (" + this.key().toHexString() + ")";
},
//-----------------------------------------------------------------------------
'key': function() {
return this._key;
},
'keySize': function() {
return this._keySize;
},
'b': function() {
return this._b;
},
'numberOfRounds': function() {
return this._numberOfRounds;
},
//=========================================================================
'keyScheduleCore': function(aWord, aRoundConstantsIndex) {
var result;
var sbox;
sbox = Clipperz.Crypto.AES.sbox();
result = [ sbox[aWord[1]] ^ Clipperz.Crypto.AES.roundConstants()[aRoundConstantsIndex],
sbox[aWord[2]],
sbox[aWord[3]],
sbox[aWord[0]] ];
return result;
},
//-----------------------------------------------------------------------------
'xorWithPreviousStretchValues': function(aKey, aWord, aPreviousWordIndex) {
var result;
var i,c;
result = [];
c = 4;
for (i=0; i<c; i++) {
result[i] = aWord[i] ^ aKey.byteAtIndex(aPreviousWordIndex + i);
}
return result;
},
//-----------------------------------------------------------------------------
'sboxShakeup': function(aWord) {
var result;
var sbox;
var i,c;
result = [];
sbox = Clipperz.Crypto.AES.sbox();
c =4;
for (i=0; i<c; i++) {
result[i] = sbox[aWord[i]];
}
return result;
},
//-----------------------------------------------------------------------------
'stretchKey': function(aKey) {
var currentWord;
var keyLength;
var previousStretchIndex;
var i,c;
keyLength = aKey.length();
previousStretchIndex = keyLength - this.keySize();
currentWord = [ aKey.byteAtIndex(keyLength - 4),
aKey.byteAtIndex(keyLength - 3),
aKey.byteAtIndex(keyLength - 2),
aKey.byteAtIndex(keyLength - 1) ];
currentWord = this.keyScheduleCore(currentWord, keyLength / this.keySize());
if (this.keySize() == 256/8) {
c = 8;
} else if (this.keySize() == 128/8){
c = 4;
}
for (i=0; i<c; i++) {
if (i == 4) {
// fifth streatch word
currentWord = this.sboxShakeup(currentWord);
}
currentWord = this.xorWithPreviousStretchValues(aKey, currentWord, previousStretchIndex + (i*4));
aKey.appendBytes(currentWord);
}
return aKey;
},
//-----------------------------------------------------------------------------
'stretchedKey': function() {
if (this._stretchedKey == null) {
var stretchedKey;
stretchedKey = this.key().clone();
while (stretchedKey.length() < this.keySize()) {
stretchedKey.appendByte(0);
}
while (stretchedKey.length() < this.b()) {
stretchedKey = this.stretchKey(stretchedKey);
}
this._stretchedKey = stretchedKey.split(0, this.b());
}
return this._stretchedKey;
},
//=========================================================================
__syntaxFix__: "syntax fix"
});
//#############################################################################
Clipperz.Crypto.AES.State = function(args) {
args = args || {};
this._data = args.block;
this._key = args.key;
return this;
}
Clipperz.Crypto.AES.State.prototype = MochiKit.Base.update(null, {
'key': function() {
return this._key;
},
//-----------------------------------------------------------------------------
'data': function() {
return this._data;
},
'setData': function(aValue) {
this._data = aValue;
},
//=========================================================================
'addRoundKey': function(aRoundNumber) {
// each byte of the state is combined with the round key; each round key is derived from the cipher key using a key schedule.
var data;
var stretchedKey;
var firstStretchedKeyIndex;
var i,c;
data = this.data();
stretchedKey = this.key().stretchedKey();
firstStretchedKeyIndex = aRoundNumber * (128/8);
c = 128/8;
for (i=0; i<c; i++) {
data[i] = data[i] ^ stretchedKey.byteAtIndex(firstStretchedKeyIndex + i);
}
},
//-----------------------------------------------------------------------------
'subBytes': function() {
// a non-linear substitution step where each byte is replaced with another according to a lookup table.
var i,c;
var data;
var sbox;
data = this.data();
sbox = Clipperz.Crypto.AES.sbox();
c = 16;
for (i=0; i<c; i++) {
data[i] = sbox[data[i]];
}
},
//-----------------------------------------------------------------------------
'shiftRows': function() {
// a transposition step where each row of the state is shifted cyclically a certain number of steps.
var newValue;
var data;
var shiftMapping;
var i,c;
newValue = new Array(16);
data = this.data();
shiftMapping = Clipperz.Crypto.AES.shiftRowMapping();
// [0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11];
c = 16;
for (i=0; i<c; i++) {
newValue[i] = data[shiftMapping[i]];
}
for (i=0; i<c; i++) {
data[i] = newValue[i];
}
},
//-----------------------------------------------------------------------------
/*
'mixColumnsWithValues': function(someValues) {
var result;
var a;
var i,c;
c = 4;
result = [];
a = [];
for (i=0; i<c; i++) {
a[i] = [];
a[i][1] = someValues[i]
if ((a[i][1] & 0x80) == 0x80) {
a[i][2] = (a[i][1] << 1) ^ 0x11b;
} else {
a[i][2] = a[i][1] << 1;
}
a[i][3] = a[i][2] ^ a[i][1];
}
for (i=0; i<c; i++) {
var x;
x = Clipperz.Crypto.AES.mixColumnsMatrix()[i];
result[i] = a[0][x[0]] ^ a[1][x[1]] ^ a[2][x[2]] ^ a[3][x[3]];
}
return result;
},
'mixColumns': function() {
// a mixing operation which operates on the columns of the state, combining the four bytes in each column using a linear transformation.
var data;
var i, c;
data = this.data();
c = 4;
for(i=0; i<c; i++) {
var blockIndex;
var mixedValues;
blockIndex = i * 4;
mixedValues = this.mixColumnsWithValues([ data[blockIndex + 0],
data[blockIndex + 1],
data[blockIndex + 2],
data[blockIndex + 3]]);
data[blockIndex + 0] = mixedValues[0];
data[blockIndex + 1] = mixedValues[1];
data[blockIndex + 2] = mixedValues[2];
data[blockIndex + 3] = mixedValues[3];
}
},
*/
'mixColumns': function() {
// a mixing operation which operates on the columns of the state, combining the four bytes in each column using a linear transformation.
var data;
var i, c;
var a_1;
var a_2;
a_1 = new Array(4);
a_2 = new Array(4);
data = this.data();
c = 4;
for(i=0; i<c; i++) {
var blockIndex;
var ii, cc;
blockIndex = i * 4;
cc = 4;
for (ii=0; ii<cc; ii++) {
var value;
value = data[blockIndex + ii];
a_1[ii] = value;
a_2[ii] = (value & 0x80) ? ((value << 1) ^ 0x011b) : (value << 1);
}
data[blockIndex + 0] = a_2[0] ^ a_1[1] ^ a_2[1] ^ a_1[2] ^ a_1[3];
data[blockIndex + 1] = a_1[0] ^ a_2[1] ^ a_1[2] ^ a_2[2] ^ a_1[3];
data[blockIndex + 2] = a_1[0] ^ a_1[1] ^ a_2[2] ^ a_1[3] ^ a_2[3];
data[blockIndex + 3] = a_1[0] ^ a_2[0] ^ a_1[1] ^ a_1[2] ^ a_2[3];
}
},
//=========================================================================
'spinRound': function(aRoundNumber) {
this.addRoundKey(aRoundNumber);
this.subBytes();
this.shiftRows();
this.mixColumns();
},
'spinLastRound': function() {
this.addRoundKey(this.key().numberOfRounds() - 1);
this.subBytes();
this.shiftRows();
this.addRoundKey(this.key().numberOfRounds());
},
//=========================================================================
'encrypt': function() {
var i,c;
c = this.key().numberOfRounds() - 1;
for (i=0; i<c; i++) {
this.spinRound(i);
}
this.spinLastRound();
},
//=========================================================================
__syntaxFix__: "syntax fix"
});
//#############################################################################
Clipperz.Crypto.AES.VERSION = "0.1";
Clipperz.Crypto.AES.NAME = "Clipperz.Crypto.AES";
MochiKit.Base.update(Clipperz.Crypto.AES, {
// http://www.cs.eku.edu/faculty/styer/460/Encrypt/JS-AES.html
// http://en.wikipedia.org/wiki/Advanced_Encryption_Standard
// http://en.wikipedia.org/wiki/Rijndael_key_schedule
// http://en.wikipedia.org/wiki/Rijndael_S-box
'__repr__': function () {
return "[" + this.NAME + " " + this.VERSION + "]";
},
'toString': function () {
return this.__repr__();
},
//=============================================================================
'_sbox': null,
'sbox': function() {
if (Clipperz.Crypto.AES._sbox == null) {
Clipperz.Crypto.AES._sbox = [
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
];
}
return Clipperz.Crypto.AES._sbox;
},
//-----------------------------------------------------------------------------
//
// 0 4 8 12 0 4 8 12
// 1 5 9 13 => 5 9 13 1
// 2 6 10 14 10 14 2 6
// 3 7 11 15 15 3 7 11
//
'_shiftRowMapping': null,
'shiftRowMapping': function() {
if (Clipperz.Crypto.AES._shiftRowMapping == null) {
Clipperz.Crypto.AES._shiftRowMapping = [0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11];
}
return Clipperz.Crypto.AES._shiftRowMapping;
},
//-----------------------------------------------------------------------------
'_mixColumnsMatrix': null,
'mixColumnsMatrix': function() {
if (Clipperz.Crypto.AES._mixColumnsMatrix == null) {
Clipperz.Crypto.AES._mixColumnsMatrix = [ [2, 3, 1 ,1],
[1, 2, 3, 1],
[1, 1, 2, 3],
[3, 1, 1, 2] ];
}
return Clipperz.Crypto.AES._mixColumnsMatrix;
},
'_roundConstants': null,
'roundConstants': function() {
if (Clipperz.Crypto.AES._roundConstants == null) {
Clipperz.Crypto.AES._roundConstants = [ , 1, 2, 4, 8, 16, 32, 64, 128, 27, 54, 108, 216, 171, 77, 154];
// Clipperz.Crypto.AES._roundConstants = [ , 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a];
}
return Clipperz.Crypto.AES._roundConstants;
},
//=============================================================================
'incrementNonce': function(aNonce) {
//Clipperz.Profile.start("Clipperz.Crypto.AES.incrementNonce");
var i;
var done;
done = false;
i = aNonce.length - 1;
while ((i>=0) && (done == false)) {
var currentByteValue;
currentByteValue = aNonce[i];
if (currentByteValue == 0xff) {
aNonce[i] = 0;
if (i>= 0) {
i --;
} else {
done = true;
}
} else {
aNonce[i] = currentByteValue + 1;
done = true;
}
}
//Clipperz.Profile.stop("Clipperz.Crypto.AES.incrementNonce");
},
//-----------------------------------------------------------------------------
'encryptBlock': function(aKey, aBlock) {
var result;
var state;
state = new Clipperz.Crypto.AES.State({block:aBlock, key:aKey});
//is(state.data(), 'before');
state.encrypt();
result = state.data();
return result;
},
//-----------------------------------------------------------------------------
'encryptBlocks': function(aKey, aMessage, aNonce) {
var result;
var nonce;
var self;
var messageIndex;
var messageLength;
var blockSize;
self = Clipperz.Crypto.AES;
blockSize = 128/8;
messageLength = aMessage.length;
nonce = aNonce;
result = aMessage;
messageIndex = 0;
while (messageIndex < messageLength) {
var encryptedBlock;
var i,c;
self.incrementNonce(nonce);
encryptedBlock = self.encryptBlock(aKey, nonce);
if ((messageLength - messageIndex) > blockSize) {
c = blockSize;
} else {
c = messageLength - messageIndex;
}
for (i=0; i<c; i++) {
result[messageIndex + i] = result[messageIndex + i] ^ encryptedBlock[i];
}
messageIndex += blockSize;
}
return result;
},
//-----------------------------------------------------------------------------
'encrypt': function(aKey, someData, aNonce) {
var result;
var nonce;
var encryptedData;
var key;
key = new Clipperz.Crypto.AES.Key({key:aKey});
nonce = aNonce ? aNonce.clone() : Clipperz.Crypto.PRNG.defaultRandomGenerator().getRandomBytes(128/8);
encryptedData = Clipperz.Crypto.AES.encryptBlocks(key, someData.arrayValues(), nonce.arrayValues());
result = nonce.appendBytes(encryptedData);
return result;
},
//-----------------------------------------------------------------------------
'decrypt': function(aKey, someData) {
var result;
var nonce;
var encryptedData;
var decryptedData;
var dataIterator;
var key;
key = new Clipperz.Crypto.AES.Key({key:aKey});
encryptedData = someData.arrayValues();
nonce = encryptedData.slice(0, (128/8));
encryptedData = encryptedData.slice(128/8);
decryptedData = Clipperz.Crypto.AES.encryptBlocks(key, encryptedData, nonce);
result = new Clipperz.ByteArray(decryptedData);
return result;
},
//=============================================================================
'deferredEncryptExecutionChunk': function(anExecutionContext) {
var result;
var nonce;
var self;
var messageIndex;
var messageLength;
var blockSize;
var executionLimit;
var startTime, endTime;
self = Clipperz.Crypto.AES;
startTime = new Date();
blockSize = 128/8;
messageLength = anExecutionContext.messageArray().length;
nonce = anExecutionContext.nonceArray();
result = anExecutionContext.resultArray();
messageIndex = anExecutionContext.executionStep();
executionLimit = messageIndex + anExecutionContext.elaborationChunkSize();
executionLimit = Math.min(executionLimit, messageLength);
while (messageIndex < executionLimit) {
var encryptedBlock;
var i,c;
self.incrementNonce(nonce);
encryptedBlock = self.encryptBlock(anExecutionContext.key(), nonce);
if ((executionLimit - messageIndex) > blockSize) {
c = blockSize;
} else {
c = executionLimit - messageIndex;
}
for (i=0; i<c; i++) {
result[messageIndex + i] = result[messageIndex + i] ^ encryptedBlock[i];
}
messageIndex += blockSize;
}
anExecutionContext.setExecutionStep(messageIndex);
endTime = new Date();
anExecutionContext.tuneExecutionParameters(endTime - startTime);
return anExecutionContext;
},
//-----------------------------------------------------------------------------
/*
'deferredEncryptBlocks': function(anExecutionContext) {
var deferredResult;
var messageSize;
var i,c;
messageSize = anExecutionContext.messageLength();
deferredResult = new Clipperz.Async.Deferred("AES.deferredEncryptBloks");
c = Math.ceil(messageSize / anExecutionContext.elaborationChunkSize());
for (i=0; i<c; i++) {
deferredResult.addCallback(Clipperz.Crypto.AES.deferredEncryptExecutionChunk);
deferredResult.addMethod(anExecutionContext, 'pause');
}
deferredResult.callback(anExecutionContext);
return deferredResult;
},
*/
'deferredEncryptBlocks': function(anExecutionContext) {
var deferredResult;
if (! anExecutionContext.isDone()) {
deferredResult = Clipperz.Async.callbacks("Clipperz.Crypto.AES.deferredEncryptBloks", [
Clipperz.Crypto.AES.deferredEncryptExecutionChunk,
MochiKit.Base.method(anExecutionContext, 'pause'),
Clipperz.Crypto.AES.deferredEncryptBlocks
], {trace:false}, anExecutionContext);
} else {
deferredResult = MochiKit.Async.succeed(anExecutionContext);
}
return deferredResult;
},
//-----------------------------------------------------------------------------
'deferredEncrypt': function(aKey, someData, aNonce) {
var deferredResult;
var executionContext;
var result;
var nonce;
var key;
key = new Clipperz.Crypto.AES.Key({key:aKey});
nonce = aNonce ? aNonce.clone() : Clipperz.Crypto.PRNG.defaultRandomGenerator().getRandomBytes(128/8);
executionContext = new Clipperz.Crypto.AES.DeferredExecutionContext({key:key, message:someData, nonce:nonce});
deferredResult = new Clipperz.Async.Deferred("AES.deferredEncrypt");
deferredResult.addCallback(Clipperz.Crypto.AES.deferredEncryptBlocks);
deferredResult.addCallback(function(anExecutionContext) {
var result;
result = anExecutionContext.nonce().clone();
result.appendBytes(anExecutionContext.resultArray());
return result;
});
deferredResult.callback(executionContext)
return deferredResult;
},
//-----------------------------------------------------------------------------
'deferredDecrypt': function(aKey, someData) {
var deferredResult;
var executionContext;
var nonce;
var message;
var key;
key = new Clipperz.Crypto.AES.Key({key:aKey});
nonce = someData.split(0, (128/8));
message = someData.split(128/8);
executionContext = new Clipperz.Crypto.AES.DeferredExecutionContext({key:key, message:message, nonce:nonce});
deferredResult = new Clipperz.Async.Deferred("AES.deferredDecrypt");
deferredResult.addCallback(Clipperz.Crypto.AES.deferredEncryptBlocks);
deferredResult.addCallback(function(anExecutionContext) {
return anExecutionContext.result();
});
deferredResult.callback(executionContext);
return deferredResult;
},
//-----------------------------------------------------------------------------
__syntaxFix__: "syntax fix"
});
//#############################################################################
//Clipperz.Crypto.AES.DeferredExecution = {
// 'chunkSize': 16384, // 4096, // 1024 4096 8192 16384 32768;
// 'pauseTime': 0.02 // 0.2
//}
Clipperz.Crypto.AES.exception = {
'UnsupportedKeySize': new MochiKit.Base.NamedError("Clipperz.Crypto.AES.exception.UnsupportedKeySize")
};
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