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path: root/frontend/gamma/js/Clipperz/Crypto/PRNG.js
authorGiulio Cesare Solaroli <giulio.cesare@clipperz.com>2011-10-06 00:36:10 (UTC)
committer Giulio Cesare Solaroli <giulio.cesare@clipperz.com>2011-10-06 00:36:10 (UTC)
commit6ba274c79e60e417132b260bd0117c5a68121387 (patch) (side-by-side diff)
tree57c1f95d0fbf9b80312c5c6b6f4a4f951e31c770 /frontend/gamma/js/Clipperz/Crypto/PRNG.js
parent13ebf1b1987a1566d081ff1ba89b4dca197b7d2e (diff)
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Fixed the copyright headers
Diffstat (limited to 'frontend/gamma/js/Clipperz/Crypto/PRNG.js') (more/less context) (ignore whitespace changes)
-rw-r--r--frontend/gamma/js/Clipperz/Crypto/PRNG.js15
1 files changed, 6 insertions, 9 deletions
diff --git a/frontend/gamma/js/Clipperz/Crypto/PRNG.js b/frontend/gamma/js/Clipperz/Crypto/PRNG.js
index 266b909..adfdb16 100644
--- a/frontend/gamma/js/Clipperz/Crypto/PRNG.js
+++ b/frontend/gamma/js/Clipperz/Crypto/PRNG.js
@@ -1,216 +1,213 @@
/*
Copyright 2008-2011 Clipperz Srl
-This file is part of Clipperz's Javascript Crypto Library.
-Javascript Crypto Library provides web developers with an extensive
-and efficient set of cryptographic functions. The library aims to
-obtain maximum execution speed while preserving modularity and
-reusability.
+This file is part of Clipperz Community Edition.
+Clipperz Community Edition is an online password manager.
For further information about its features and functionalities please
-refer to http://www.clipperz.com
+refer to http://www.clipperz.com.
-* Javascript Crypto Library is free software: you can redistribute
+* 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.
-* Javascript Crypto Library is distributed in the hope that it will
+* 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.
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 Javascript Crypto Library. If not, see
+ License along with Clipperz Community Edition. 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) {