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path: root/frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Value.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/ECC/BinaryField/Value.js
parent13ebf1b1987a1566d081ff1ba89b4dca197b7d2e (diff)
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Fixed the copyright headers
Diffstat (limited to 'frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Value.js') (more/less context) (show whitespace changes)
-rw-r--r--frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Value.js15
1 files changed, 6 insertions, 9 deletions
diff --git a/frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Value.js b/frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Value.js
index 5a430d1..b705a20 100644
--- a/frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Value.js
+++ b/frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Value.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.ECC depends on Clipperz.ByteArray!";
//}
if (typeof(Clipperz) == 'undefined') { Clipperz = {}; }
if (typeof(Clipperz.Crypto) == 'undefined') { Clipperz.Crypto = {}; }
if (typeof(Clipperz.Crypto.ECC) == 'undefined') { Clipperz.Crypto.ECC = {}; }
if (typeof(Clipperz.Crypto.ECC.BinaryField) == 'undefined') { Clipperz.Crypto.ECC.BinaryField = {}; }
Clipperz.Crypto.ECC.BinaryField.Value = function(aValue, aBase, aBitSize) {
if (aValue.constructor == String) {
var value;
var stringLength;
var numberOfWords;
var i,c;
if (aBase != 16) {
throw Clipperz.Crypto.ECC.BinaryField.Value.exception.UnsupportedBase;
}
value = aValue.replace(/ /g, '');
stringLength = value.length;
numberOfWords = Math.ceil(stringLength / 8);
this._value = new Array(numberOfWords);
c = numberOfWords;
for (i=0; i<c; i++) {
var word;
if (i < (c-1)) {
word = parseInt(value.substr(stringLength-((i+1)*8), 8), 16);
} else {
word = parseInt(value.substr(0, stringLength-(i*8)), 16);
}
this._value[i] = word;
}
} else if (aValue.constructor == Array) {
var itemsToCopy;
itemsToCopy = aValue.length;
while (aValue[itemsToCopy - 1] == 0) {
itemsToCopy --;
}
this._value = aValue.slice(0, itemsToCopy);
} else if (aValue.constructor == Number) {
this._value = [aValue];
} else {
// throw Clipperz.Crypto.ECC.BinaryField.Value.exception.UnsupportedConstructorValueType;
}
this._bitSize == aBitSize || null;
return this;
}
Clipperz.Crypto.ECC.BinaryField.Value.prototype = MochiKit.Base.update(null, {
'value': function() {
return this._value;
},
//-----------------------------------------------------------------------------
'wordSize': function() {
return this._value.length
},
//-----------------------------------------------------------------------------
'clone': function() {
return new Clipperz.Crypto.ECC.BinaryField.Value(this._value.slice(0), null, this._bitSize);
},
//-----------------------------------------------------------------------------
'isZero': function() {
return (this.compare(Clipperz.Crypto.ECC.BinaryField.Value.O) == 0);
},
//-----------------------------------------------------------------------------
'asString': function(aBase) {
var result;
var i,c;
if (aBase != 16) {
throw Clipperz.Crypto.ECC.BinaryField.Value.exception.UnsupportedBase;
}
result = "";
c = this.wordSize();
for (i=0; i<c; i++) {
var wordAsString;
// wordAsString = ("00000000" + this.value()[i].toString(16));
wordAsString = ("00000000" + this._value[i].toString(16));
wordAsString = wordAsString.substring(wordAsString.length - 8);
result = wordAsString + result;
}
result = result.replace(/^(00)*/, "");
if (result == "") {
result = "0";
}
return result;
},
//-----------------------------------------------------------------------------
'shiftLeft': function(aNumberOfBitsToShift) {
// this method seems like it is never called. :-(
return new Clipperz.Crypto.ECC.BinaryField.Value(Clipperz.Crypto.ECC.BinaryField.Value._shiftLeft(this._value, aNumberOfBitsToShift));
},
//-----------------------------------------------------------------------------
'bitSize': function() {
if (this._bitSize == null) {
this._bitSize = Clipperz.Crypto.ECC.BinaryField.Value._bitSize(this._value);
}
return this._bitSize;
},
//-----------------------------------------------------------------------------
'isBitSet': function(aBitPosition) {
return Clipperz.Crypto.ECC.BinaryField.Value._isBitSet(this._value, aBitPosition);
},
//-----------------------------------------------------------------------------
'xor': function(aValue) {
return new Clipperz.Crypto.ECC.BinaryField.Value(Clipperz.Crypto.ECC.BinaryField.Value._xor(this._value, aValue._value));
},
//-----------------------------------------------------------------------------
'compare': function(aValue) {
return Clipperz.Crypto.ECC.BinaryField.Value._compare(this._value, aValue._value);
},
//-----------------------------------------------------------------------------
__syntaxFix__: "syntax fix"
});
Clipperz.Crypto.ECC.BinaryField.Value.O = new Clipperz.Crypto.ECC.BinaryField.Value('0', 16);
Clipperz.Crypto.ECC.BinaryField.Value.I = new Clipperz.Crypto.ECC.BinaryField.Value('1', 16);
Clipperz.Crypto.ECC.BinaryField.Value._xor = function(a, b, aFirstItemOffset) {
var result;
var resultSize;
var i,c;
var firstItemOffset;
firstItemOffset = aFirstItemOffset || 0;
resultSize = Math.max((a.length - firstItemOffset), b.length) + firstItemOffset;
result = new Array(resultSize);
c = firstItemOffset;
for (i=0; i<c; i++) {
result[i] = a[i];
}
c = resultSize;
for (i=firstItemOffset; i<c; i++) {
result[i] = (((a[i] || 0) ^ (b[i - firstItemOffset] || 0)) >>> 0);
}
return result;
};
Clipperz.Crypto.ECC.BinaryField.Value._overwriteXor = function(a, b, aFirstItemOffset) {
var i,c;
var firstItemOffset;
firstItemOffset = aFirstItemOffset || 0;
c = Math.max((a.length - firstItemOffset), b.length) + firstItemOffset;
for (i=firstItemOffset; i<c; i++) {
a[i] = (((a[i] || 0) ^ (b[i - firstItemOffset] || 0)) >>> 0);
}
};