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path: root/frontend/beta/js/Clipperz/Crypto/PRNG.js
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-rw-r--r--frontend/beta/js/Clipperz/Crypto/PRNG.js22
1 files changed, 10 insertions, 12 deletions
diff --git a/frontend/beta/js/Clipperz/Crypto/PRNG.js b/frontend/beta/js/Clipperz/Crypto/PRNG.js
index 39d0045..b5c3f8a 100644
--- a/frontend/beta/js/Clipperz/Crypto/PRNG.js
+++ b/frontend/beta/js/Clipperz/Crypto/PRNG.js
@@ -1,406 +1,404 @@
/*
-Copyright 2008-2011 Clipperz Srl
+Copyright 2008-2013 Clipperz Srl
-This file is part of Clipperz Community Edition.
-Clipperz Community Edition is an online password manager.
+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 Community Edition 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 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 Community Edition 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.
+* 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 Community Edition. If not, see
- <http://www.gnu.org/licenses/>.
+ License along with Clipperz. If not, see http://www.gnu.org/licenses/.
*/
try { if (typeof(Clipperz.ByteArray) == 'undefined') { throw ""; }} catch (e) {
throw "Clipperz.Crypto.PRNG depends on Clipperz.ByteArray!";
}
try { if (typeof(Clipperz.Crypto.SHA) == 'undefined') { throw ""; }} catch (e) {
throw "Clipperz.Crypto.PRNG depends on Clipperz.Crypto.SHA!";
}
try { if (typeof(Clipperz.Crypto.AES) == 'undefined') { throw ""; }} catch (e) {
throw "Clipperz.Crypto.PRNG depends on Clipperz.Crypto.AES!";
}
if (typeof(Clipperz.Crypto.PRNG) == 'undefined') { Clipperz.Crypto.PRNG = {}; }
//#############################################################################
Clipperz.Crypto.PRNG.EntropyAccumulator = function(args) {
args = args || {};
// MochiKit.Base.bindMethods(this);
this._stack = new Clipperz.ByteArray();
this._maxStackLengthBeforeHashing = args.maxStackLengthBeforeHashing || 256;
return this;
}
Clipperz.Crypto.PRNG.EntropyAccumulator.prototype = MochiKit.Base.update(null, {
'toString': function() {
return "Clipperz.Crypto.PRNG.EntropyAccumulator";
},
//-------------------------------------------------------------------------
'stack': function() {
return this._stack;
},
'setStack': function(aValue) {
this._stack = aValue;
},
'resetStack': function() {
this.stack().reset();
},
'maxStackLengthBeforeHashing': function() {
return this._maxStackLengthBeforeHashing;
},
//-------------------------------------------------------------------------
'addRandomByte': function(aValue) {
this.stack().appendByte(aValue);
if (this.stack().length() > this.maxStackLengthBeforeHashing()) {
this.setStack(Clipperz.Crypto.SHA.sha_d256(this.stack()));
}
},
//-------------------------------------------------------------------------
__syntaxFix__: "syntax fix"
});
//#############################################################################
Clipperz.Crypto.PRNG.RandomnessSource = function(args) {
args = args || {};
MochiKit.Base.bindMethods(this);
this._generator = args.generator || null;
this._sourceId = args.sourceId || null;
this._boostMode = args.boostMode || false;
this._nextPoolIndex = 0;
return this;
}
Clipperz.Crypto.PRNG.RandomnessSource.prototype = MochiKit.Base.update(null, {
'generator': function() {
return this._generator;
},
'setGenerator': function(aValue) {
this._generator = aValue;
},
//-------------------------------------------------------------------------
'boostMode': function() {
return this._boostMode;
},
'setBoostMode': function(aValue) {
this._boostMode = aValue;
},
//-------------------------------------------------------------------------
'sourceId': function() {
return this._sourceId;
},
'setSourceId': function(aValue) {
this._sourceId = aValue;
},
//-------------------------------------------------------------------------
'nextPoolIndex': function() {
return this._nextPoolIndex;
},
'incrementNextPoolIndex': function() {
this._nextPoolIndex = ((this._nextPoolIndex + 1) % this.generator().numberOfEntropyAccumulators());
},
//-------------------------------------------------------------------------
'updateGeneratorWithValue': function(aRandomValue) {
if (this.generator() != null) {
this.generator().addRandomByte(this.sourceId(), this.nextPoolIndex(), aRandomValue);
this.incrementNextPoolIndex();
}
},
//-------------------------------------------------------------------------
__syntaxFix__: "syntax fix"
});
//#############################################################################
Clipperz.Crypto.PRNG.TimeRandomnessSource = function(args) {
args = args || {};
// MochiKit.Base.bindMethods(this);
this._intervalTime = args.intervalTime || 1000;
Clipperz.Crypto.PRNG.RandomnessSource.call(this, args);
this.collectEntropy();
return this;
}
Clipperz.Crypto.PRNG.TimeRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, {
'intervalTime': function() {
return this._intervalTime;
},
//-------------------------------------------------------------------------
'collectEntropy': function() {
var now;
var entropyByte;
var intervalTime;
now = new Date();
entropyByte = (now.getTime() & 0xff);
intervalTime = this.intervalTime();
if (this.boostMode() == true) {
intervalTime = intervalTime / 9;
}
this.updateGeneratorWithValue(entropyByte);
setTimeout(this.collectEntropy, intervalTime);
},
//-------------------------------------------------------------------------
'numberOfRandomBits': function() {
return 5;
},
//-------------------------------------------------------------------------
'pollingFrequency': function() {
return 10;
},
//-------------------------------------------------------------------------
__syntaxFix__: "syntax fix"
});
//*****************************************************************************
Clipperz.Crypto.PRNG.MouseRandomnessSource = function(args) {
args = args || {};
Clipperz.Crypto.PRNG.RandomnessSource.call(this, args);
this._numberOfBitsToCollectAtEachEvent = 4;
this._randomBitsCollector = 0;
this._numberOfRandomBitsCollected = 0;
MochiKit.Signal.connect(document, 'onmousemove', this, 'collectEntropy');
return this;
}
Clipperz.Crypto.PRNG.MouseRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, {
//-------------------------------------------------------------------------
'numberOfBitsToCollectAtEachEvent': function() {
return this._numberOfBitsToCollectAtEachEvent;
},
//-------------------------------------------------------------------------
'randomBitsCollector': function() {
return this._randomBitsCollector;
},
'setRandomBitsCollector': function(aValue) {
this._randomBitsCollector = aValue;
},
'appendRandomBitsToRandomBitsCollector': function(aValue) {
var collectedBits;
var numberOfRandomBitsCollected;
numberOfRandomBitsCollected = this.numberOfRandomBitsCollected();
collectetBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected);
this.setRandomBitsCollector(collectetBits);
numberOfRandomBitsCollected += this.numberOfBitsToCollectAtEachEvent();
if (numberOfRandomBitsCollected == 8) {
this.updateGeneratorWithValue(collectetBits);
numberOfRandomBitsCollected = 0;
this.setRandomBitsCollector(0);
}
this.setNumberOfRandomBitsCollected(numberOfRandomBitsCollected)
},
//-------------------------------------------------------------------------
'numberOfRandomBitsCollected': function() {
return this._numberOfRandomBitsCollected;
},
'setNumberOfRandomBitsCollected': function(aValue) {
this._numberOfRandomBitsCollected = aValue;
},
//-------------------------------------------------------------------------
'collectEntropy': function(anEvent) {
var mouseLocation;
var randomBit;
var mask;
mask = 0xffffffff >>> (32 - this.numberOfBitsToCollectAtEachEvent());
mouseLocation = anEvent.mouse().client;
randomBit = ((mouseLocation.x ^ mouseLocation.y) & mask);
this.appendRandomBitsToRandomBitsCollector(randomBit)
},
//-------------------------------------------------------------------------
'numberOfRandomBits': function() {
return 1;
},
//-------------------------------------------------------------------------
'pollingFrequency': function() {
return 10;
},
//-------------------------------------------------------------------------
__syntaxFix__: "syntax fix"
});
//*****************************************************************************
Clipperz.Crypto.PRNG.KeyboardRandomnessSource = function(args) {
args = args || {};
Clipperz.Crypto.PRNG.RandomnessSource.call(this, args);
this._randomBitsCollector = 0;
this._numberOfRandomBitsCollected = 0;
MochiKit.Signal.connect(document, 'onkeypress', this, 'collectEntropy');
return this;
}
Clipperz.Crypto.PRNG.KeyboardRandomnessSource.prototype = MochiKit.Base.update(new Clipperz.Crypto.PRNG.RandomnessSource, {
//-------------------------------------------------------------------------
'randomBitsCollector': function() {
return this._randomBitsCollector;
},
'setRandomBitsCollector': function(aValue) {
this._randomBitsCollector = aValue;
},
'appendRandomBitToRandomBitsCollector': function(aValue) {
var collectedBits;
var numberOfRandomBitsCollected;
numberOfRandomBitsCollected = this.numberOfRandomBitsCollected();
collectetBits = this.randomBitsCollector() | (aValue << numberOfRandomBitsCollected);
this.setRandomBitsCollector(collectetBits);
numberOfRandomBitsCollected ++;
if (numberOfRandomBitsCollected == 8) {
this.updateGeneratorWithValue(collectetBits);
numberOfRandomBitsCollected = 0;
this.setRandomBitsCollector(0);
}
this.setNumberOfRandomBitsCollected(numberOfRandomBitsCollected)
},
//-------------------------------------------------------------------------
'numberOfRandomBitsCollected': function() {
return this._numberOfRandomBitsCollected;
},
'setNumberOfRandomBitsCollected': function(aValue) {
this._numberOfRandomBitsCollected = aValue;
},
//-------------------------------------------------------------------------
'collectEntropy': function(anEvent) {
/*
var mouseLocation;
var randomBit;
mouseLocation = anEvent.mouse().client;
randomBit = ((mouseLocation.x ^ mouseLocation.y) & 0x1);
this.appendRandomBitToRandomBitsCollector(randomBit);
*/
},
//-------------------------------------------------------------------------
'numberOfRandomBits': function() {
return 1;
},
//-------------------------------------------------------------------------
'pollingFrequency': function() {
return 10;
},
//-------------------------------------------------------------------------
__syntaxFix__: "syntax fix"
});
//#############################################################################
Clipperz.Crypto.PRNG.Fortuna = function(args) {
var i,c;
args = args || {};
this._key = args.seed || null;
if (this._key == null) {
this._counter = 0;
this._key = new Clipperz.ByteArray();
} else {
this._counter = 1;
}
this._aesKey = null;
this._firstPoolReseedLevel = args.firstPoolReseedLevel || 32 || 64;
this._numberOfEntropyAccumulators = args.numberOfEntropyAccumulators || 32;