Diffstat (limited to 'frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Curve.js') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Curve.js | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Curve.js b/frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Curve.js index 2033eb4..19f19c2 100644 --- a/frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Curve.js +++ b/frontend/gamma/js/Clipperz/Crypto/ECC/BinaryField/Curve.js @@ -1,408 +1,405 @@ /* 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.Crypto.ECC) == 'undefined') { Clipperz.Crypto.ECC = {}; } if (typeof(Clipperz.Crypto.ECC.BinaryField) == 'undefined') { Clipperz.Crypto.ECC.BinaryField = {}; } Clipperz.Crypto.ECC.BinaryField.Curve = function(args) { args = args || {}; this._modulus = args.modulus; this._a = args.a; this._b = args.b; this._G = args.G; this._r = args.r; this._h = args.h; this._finiteField = null; return this; } Clipperz.Crypto.ECC.BinaryField.Curve.prototype = MochiKit.Base.update(null, { 'asString': function() { return "Clipperz.Crypto.ECC.BinaryField.Curve"; }, //----------------------------------------------------------------------------- 'modulus': function() { return this._modulus; }, 'a': function() { return this._a; }, 'b': function() { return this._b; }, 'G': function() { return this._G; }, 'r': function() { return this._r; }, 'h': function() { return this._h; }, //----------------------------------------------------------------------------- 'finiteField': function() { if (this._finiteField == null) { this._finiteField = new Clipperz.Crypto.ECC.BinaryField.FiniteField({modulus:this.modulus()}) } return this._finiteField; }, //----------------------------------------------------------------------------- 'negate': function(aPointA) { var result; result = new Clipperz.Crypto.ECC.Point({x:aPointA.x(), y:this.finiteField().add(aPointA.y(), aPointA.x())}) return result; }, //----------------------------------------------------------------------------- 'add': function(aPointA, aPointB) { var result; //console.log(">>> ECC.BinaryField.Curve.add"); if (aPointA.isZero()) { //console.log("--- pointA == zero"); result = aPointB; } else if (aPointB.isZero()) { //console.log("--- pointB == zero"); result = aPointA; } else if ( (aPointA.x().compare(aPointB.x()) == 0) && ((aPointA.y().compare(aPointB.y()) != 0) || aPointB.x().isZero())) { //console.log("compare A.x - B.x: ", aPointA.x().compare(aPointB.x())); //console.log("compare A.y - B.y: ", (aPointA.y().compare(aPointB.y()) != 0)); //console.log("compare B.x.isZero(): ", aPointB.x().isZero()); //console.log("--- result = zero"); result = new Clipperz.Crypto.ECC.BinaryField.Point({x:Clipperz.Crypto.ECC.BinaryField.Value.O, y:Clipperz.Crypto.ECC.BinaryField.Value.O}); } else { //console.log("--- result = ELSE"); var f2m; var x, y; var lambda; var aX, aY, bX, bY; aX = aPointA.x()._value; aY = aPointA.y()._value; bX = aPointB.x()._value; bY = aPointB.y()._value; f2m = this.finiteField(); if (aPointA.x().compare(aPointB.x()) != 0) { //console.log(" a.x != b.x"); lambda = f2m._fastMultiply( f2m._add(aY, bY), f2m._inverse(f2m._add(aX, bX)) ); x = f2m._add(this.a()._value, f2m._square(lambda)); f2m._overwriteAdd(x, lambda); f2m._overwriteAdd(x, aX); f2m._overwriteAdd(x, bX); } else { //console.log(" a.x == b.x"); lambda = f2m._add(bX, f2m._fastMultiply(bY, f2m._inverse(bX))); //console.log(" lambda: " + lambda.asString(16)); x = f2m._add(this.a()._value, f2m._square(lambda)); //console.log(" x (step 1): " + x.asString(16)); f2m._overwriteAdd(x, lambda); //console.log(" x (step 2): " + x.asString(16)); } y = f2m._fastMultiply(f2m._add(bX, x), lambda); //console.log(" y (step 1): " + y.asString(16)); f2m._overwriteAdd(y, x); //console.log(" y (step 2): " + y.asString(16)); f2m._overwriteAdd(y, bY); //console.log(" y (step 3): " + y.asString(16)); result = new Clipperz.Crypto.ECC.BinaryField.Point({x:new Clipperz.Crypto.ECC.BinaryField.Value(x), y:new Clipperz.Crypto.ECC.BinaryField.Value(y)}) } //console.log("<<< ECC.BinaryField.Curve.add"); return result; }, //----------------------------------------------------------------------------- 'addTwice': function(aPointA) { return this.add(aPointA, aPointA); }, //----------------------------------------------------------------------------- 'overwriteAdd': function(aPointA, aPointB) { if (aPointA.isZero()) { // result = aPointB; aPointA._x._value = aPointB._x._value; aPointA._y._value = aPointB._y._value; } else if (aPointB.isZero()) { // result = aPointA; } else if ( (aPointA.x().compare(aPointB.x()) == 0) && ((aPointA.y().compare(aPointB.y()) != 0) || aPointB.x().isZero())) { // result = new Clipperz.Crypto.ECC.BinaryField.Point({x:Clipperz.Crypto.ECC.BinaryField.Value.O, y:Clipperz.Crypto.ECC.BinaryField.Value.O}); aPointA._x = Clipperz.Crypto.ECC.BinaryField.Value.O; aPointA._y = Clipperz.Crypto.ECC.BinaryField.Value.O; } else { var f2m; var x, y; var lambda; var aX, aY, bX, bY; aX = aPointA.x()._value; aY = aPointA.y()._value; bX = aPointB.x()._value; bY = aPointB.y()._value; f2m = this.finiteField(); if (aPointA.x().compare(aPointB.x()) != 0) { //console.log(" a.x != b.x"); lambda = f2m._fastMultiply( f2m._add(aY, bY), f2m._inverse(f2m._add(aX, bX)) ); x = f2m._add(this.a()._value, f2m._square(lambda)); f2m._overwriteAdd(x, lambda); f2m._overwriteAdd(x, aX); f2m._overwriteAdd(x, bX); } else { //console.log(" a.x == b.x"); lambda = f2m._add(bX, f2m._fastMultiply(bY, f2m._inverse(bX))); //console.log(" lambda: " + lambda.asString(16)); x = f2m._add(this.a()._value, f2m._square(lambda)); //console.log(" x (step 1): " + x.asString(16)); f2m._overwriteAdd(x, lambda); //console.log(" x (step 2): " + x.asString(16)); } y = f2m._fastMultiply(f2m._add(bX, x), lambda); //console.log(" y (step 1): " + y.asString(16)); f2m._overwriteAdd(y, x); //console.log(" y (step 2): " + y.asString(16)); f2m._overwriteAdd(y, bY); //console.log(" y (step 3): " + y.asString(16)); // result = new Clipperz.Crypto.ECC.BinaryField.Point({x:new Clipperz.Crypto.ECC.BinaryField.Value(x), y:new Clipperz.Crypto.ECC.BinaryField.Value(y)}) aPointA._x._value = x; aPointA._y._value = y; } //console.log("<<< ECC.BinaryField.Curve.add"); return result; }, //----------------------------------------------------------------------------- 'multiply': function(aValue, aPoint) { var result; //console.profile(); result = new Clipperz.Crypto.ECC.BinaryField.Point({x:Clipperz.Crypto.ECC.BinaryField.Value.O, y:Clipperz.Crypto.ECC.BinaryField.Value.O}); if (aValue.isZero() == false) { var k, Q; var i; var countIndex; countIndex = 0; if (aValue.compare(Clipperz.Crypto.ECC.BinaryField.Value.O) > 0) { k = aValue; Q = aPoint; } else { MochiKit.Logging.logError("The Clipperz.Crypto.ECC.BinaryFields.Value does not work with negative values!!!!"); k = aValue.negate(); Q = this.negate(aPoint); } //console.log("k: " + k.toString(16)); //console.log("k.bitSize: " + k.bitSize()); for (i=k.bitSize()-1; i>=0; i--) { result = this.add(result, result); // this.overwriteAdd(result, result); if (k.isBitSet(i)) { result = this.add(result, Q); // this.overwriteAdd(result, Q); } // if (countIndex==100) {console.log("multiply.break"); break;} else countIndex++; } } //console.profileEnd(); return result; }, //----------------------------------------------------------------------------- 'deferredMultiply': function(aValue, aPoint) { var deferredResult; var result; MochiKit.Logging.logDebug(">>> deferredMultiply - value: " + aValue + ", point: " + aPoint); //console.profile("ECC.Curve.multiply"); deferredResult = new MochiKit.Async.Deferred(); //deferredResult.addCallback(function(res) {console.profile("ECC.Curve.deferredMultiply"); return res;} ); //deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("# 1: " + res); return res;}); result = new Clipperz.Crypto.ECC.BinaryField.Point({x:Clipperz.Crypto.ECC.BinaryField.Value.O, y:Clipperz.Crypto.ECC.BinaryField.Value.O}); //deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("# 2: " + res); return res;}); if (aValue.isZero() == false) { var k, Q; var i; var countIndex; countIndex = 0; if (aValue.compare(Clipperz.Crypto.ECC.BinaryField.Value.O) > 0) { k = aValue; Q = aPoint; } else { MochiKit.Logging.logError("The Clipperz.Crypto.ECC.BinaryFields.Value does not work with negative values!!!!"); k = aValue.negate(); Q = this.negate(aPoint); } //console.log("k: " + k.toString(16)); //console.log("k.bitSize: " + k.bitSize()); //deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("# 3: " + res); return res;}); for (i=k.bitSize()-1; i>=0; i--) { //MochiKit.Logging.logDebug("====> " + i); //deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("# 4 > i = " + i + ": " + res); return res;}); deferredResult.addMethod(this, "addTwice"); //# result = this.add(result, result); // this.overwriteAdd(result, result); if (k.isBitSet(i)) { deferredResult.addMethod(this, "add", Q); //# result = this.add(result, Q); // this.overwriteAdd(result, Q); } if (i%20 == 0) {deferredResult.addCallback(MochiKit.Async.wait, 0.1);} // if (countIndex==100) {console.log("multiply.break"); break;} else countIndex++; //deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("# 4 < i = " + i + ": " + res); return res;}); } //deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("# 4: " + res); return res;}); } //#console.profileEnd(); //deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("# 5: " + res); return res;}); //deferredResult.addBoth(function(res) {console.profileEnd(); return res;}); //deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("# 6: " + res); return res;}); deferredResult.callback(result); //# return result; return deferredResult; }, //----------------------------------------------------------------------------- __syntaxFix__: "syntax fix" }); //############################################################################# Clipperz.Crypto.ECC.StandardCurves = {}; MochiKit.Base.update(Clipperz.Crypto.ECC.StandardCurves, { /* '_K571': null, 'K571': function() { if (Clipperz.Crypto.ECC.StandardCurves._K571 == null) { Clipperz.Crypto.ECC.StandardCurves._K571 = new Clipperz.Crypto.ECC.BinaryField.Curve({ modulus: new Clipperz.Crypto.ECC.BinaryField.Value('08000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000425', 16), a: new Clipperz.Crypto.ECC.BinaryField.Value('0', 16), b: new Clipperz.Crypto.ECC.BinaryField.Value('1', 16), G: new Clipperz.Crypto.ECC.BinaryField.Point({ x: new Clipperz.Crypto.ECC.BinaryField.Value('026eb7a8 59923fbc 82189631 f8103fe4 ac9ca297 0012d5d4 60248048 01841ca4 43709584 93b205e6 47da304d b4ceb08c bbd1ba39 494776fb 988b4717 4dca88c7 e2945283 a01c8972', 16), y: new Clipperz.Crypto.ECC.BinaryField.Value('0349dc80 7f4fbf37 4f4aeade 3bca9531 4dd58cec 9f307a54 ffc61efc 006d8a2c 9d4979c0 ac44aea7 4fbebbb9 f772aedc b620b01a 7ba7af1b 320430c8 591984f6 01cd4c14 3ef1c7a3', 16) }), r: new Clipperz.Crypto.ECC.BinaryField.Value('02000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 131850e1 f19a63e4 b391a8db 917f4138 b630d84b e5d63938 1e91deb4 5cfe778f 637c1001', 16), h: new Clipperz.Crypto.ECC.BinaryField.Value('4', 16) }); } return Clipperz.Crypto.ECC.StandardCurves._K571; }, '_K283': null, 'K283': function() { // f(z) = z^283 + z^12 + z^7 + z^5 + 1 if (Clipperz.Crypto.ECC.StandardCurves._K283 == null) { Clipperz.Crypto.ECC.StandardCurves._K283 = new Clipperz.Crypto.ECC.BinaryField.Curve({ modulus: new Clipperz.Crypto.ECC.BinaryField.Value('08000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000010a1', 16), a: new Clipperz.Crypto.ECC.BinaryField.Value('0', 16), b: new Clipperz.Crypto.ECC.BinaryField.Value('1', 16), G: new Clipperz.Crypto.ECC.BinaryField.Point({ x: new Clipperz.Crypto.ECC.BinaryField.Value('0503213f 78ca4488 3f1a3b81 62f188e5 53cd265f 23c1567a 16876913 b0c2ac24 58492836', 16), y: new Clipperz.Crypto.ECC.BinaryField.Value('01ccda38 0f1c9e31 8d90f95d 07e5426f e87e45c0 e8184698 e4596236 4e341161 77dd2259', 16) }), r: new Clipperz.Crypto.ECC.BinaryField.Value('01ffffff ffffffff ffffffff ffffffff ffffe9ae 2ed07577 265dff7f 94451e06 1e163c61', 16), h: new Clipperz.Crypto.ECC.BinaryField.Value('4', 16) }); } return Clipperz.Crypto.ECC.StandardCurves._K283; }, */ //----------------------------------------------------------------------------- '_B571': null, 'B571': function() { // f(z) = z^571 + z^10 + z^5 + z^2 + 1 if (Clipperz.Crypto.ECC.StandardCurves._B571 == null) { Clipperz.Crypto.ECC.StandardCurves._B571 = new Clipperz.Crypto.ECC.BinaryField.Curve({ modulus: new Clipperz.Crypto.ECC.BinaryField.Value('80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425', 16), a: new Clipperz.Crypto.ECC.BinaryField.Value('1', 16), b: new Clipperz.Crypto.ECC.BinaryField.Value('02f40e7e2221f295de297117b7f3d62f5c6a97ffcb8ceff1cd6ba8ce4a9a18ad84ffabbd8efa59332be7ad6756a66e294afd185a78ff12aa520e4de739baca0c7ffeff7f2955727a', 16), G: new Clipperz.Crypto.ECC.BinaryField.Point({ x: new Clipperz.Crypto.ECC.BinaryField.Value('0303001d 34b85629 6c16c0d4 0d3cd775 0a93d1d2 955fa80a a5f40fc8 db7b2abd bde53950 f4c0d293 cdd711a3 5b67fb14 99ae6003 8614f139 4abfa3b4 c850d927 e1e7769c 8eec2d19', 16), y: new Clipperz.Crypto.ECC.BinaryField.Value('037bf273 42da639b 6dccfffe b73d69d7 8c6c27a6 009cbbca 1980f853 3921e8a6 84423e43 bab08a57 6291af8f 461bb2a8 b3531d2f 0485c19b 16e2f151 6e23dd3c 1a4827af 1b8ac15b', 16) }), r: new Clipperz.Crypto.ECC.BinaryField.Value('03ffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff e661ce18 ff559873 08059b18 6823851e c7dd9ca1 161de93d 5174d66e 8382e9bb 2fe84e47', 16), h: new Clipperz.Crypto.ECC.BinaryField.Value('2', 16) // S: new Clipperz.Crypto.ECC.BinaryField.Value('2aa058f73a0e33ab486b0f610410c53a7f132310', 10), // n: new Clipperz.Crypto.ECC.BinaryField.Value('03ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe661ce18ff55987308059b186823851ec7dd9ca1161de93d5174d66e8382e9bb2fe84e47', 16) |