Diffstat (limited to 'frontend/delta/js/Clipperz/Crypto/ECC/BinaryField') (more/less context) (ignore whitespace changes)
4 files changed, 1460 insertions, 0 deletions
diff --git a/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Curve.js b/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Curve.js new file mode 100644 index 0000000..0d76b9c --- a/dev/null +++ b/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Curve.js @@ -0,0 +1,500 @@ +/* + +Copyright 2008-2013 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/. + +*/ + +//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; + + if (aPointA.isZero()) { + result = aPointB; + } 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}); + } 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) { + 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 { + lambda = f2m._add(bX, f2m._fastMultiply(bY, f2m._inverse(bX))); + x = f2m._add(this.a()._value, f2m._square(lambda)); + f2m._overwriteAdd(x, lambda); + } + + y = f2m._fastMultiply(f2m._add(bX, x), lambda); + f2m._overwriteAdd(y, x); + f2m._overwriteAdd(y, bY); + + result = new Clipperz.Crypto.ECC.BinaryField.Point({x:new Clipperz.Crypto.ECC.BinaryField.Value(x), y:new Clipperz.Crypto.ECC.BinaryField.Value(y)}) + } + + 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) { + 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 { + lambda = f2m._add(bX, f2m._fastMultiply(bY, f2m._inverse(bX))); + x = f2m._add(this.a()._value, f2m._square(lambda)); + f2m._overwriteAdd(x, lambda); + } + + y = f2m._fastMultiply(f2m._add(bX, x), lambda); + f2m._overwriteAdd(y, x); + f2m._overwriteAdd(y, bY); + +// 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; + + } + + 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 { + Clipperz.logError("The Clipperz.Crypto.ECC.BinaryFields.Value does not work with negative values!!!!"); + k = aValue.negate(); + Q = this.negate(aPoint); + } + + 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) {Clipperz.log("multiply.break"); break;} else countIndex++; + } + } +//console.profileEnd(); + + return result; + }, + + //----------------------------------------------------------------------------- + + 'deferredMultiply': function(aValue, aPoint) { + var deferredResult; + var result; + +Clipperz.log(">>> 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) {Clipperz.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) {Clipperz.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 { + Clipperz.logError("The Clipperz.Crypto.ECC.BinaryFields.Value does not work with negative values!!!!"); + k = aValue.negate(); + Q = this.negate(aPoint); + } + + + for (i=k.bitSize()-1; i>=0; i--) { + 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);} + } + } +//#console.profileEnd(); +//deferredResult.addBoth(function(res) {console.profileEnd(); 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) + }); + + //----------------------------------------------------------------------------- + // + // Guide to Elliptic Curve Cryptography + // Darrel Hankerson, Alfred Menezes, Scott Vanstone + // - Pag: 56, Alorithm 2.45 (with a typo!!!) + // + //----------------------------------------------------------------------------- + // + // http://www.milw0rm.com/papers/136 + // + // ------------------------------------------------------------------------- + // Polynomial Reduction Algorithm Modulo f571 + // ------------------------------------------------------------------------- + // + // Input: Polynomial p(x) of degree 1140 or less, stored as + // an array of 2T machinewords. + // Output: p(x) mod f571(x) + // + // FOR i = T-1, ..., 0 DO + // SET X := P[i+T] + // P[i] := P[i] ^ (X<<5) ^ (X<<7) ^ (X<<10) ^ (X<<15) + // P[i+1] := P[i+1] ^ (X>>17) ^ (X>>22) ^ (X>>25) ^ (X>>27) + // + // SET X := P[T-1] >> 27 + // P[0] := P[0] ^ X ^ (X<<2) ^ (X<<5) ^ (X<<10) + // P[T-1] := P[T-1] & 0x07ffffff + // + // RETURN P[T-1],...,P[0] + // + // ------------------------------------------------------------------------- + // + Clipperz.Crypto.ECC.StandardCurves._B571.finiteField().slowModule = Clipperz.Crypto.ECC.StandardCurves._B571.finiteField().module; + Clipperz.Crypto.ECC.StandardCurves._B571.finiteField().module = function(aValue) { + var result; + + if (aValue.bitSize() > 1140) { + Clipperz.logWarning("ECC.StandarCurves.B571.finiteField().module: falling back to default implementation"); + result = Clipperz.Crypto.ECC.StandardCurves._B571.finiteField().slowModule(aValue); + } else { + var C, T; + var i; + + C = aValue._value.slice(0); + for (i=35; i>=18; i--) { + T = C[i]; + C[i-18] = (((C[i-18] ^ (T<<5) ^ (T<<7) ^ (T<<10) ^ (T<<15)) & 0xffffffff) >>> 0); + C[i-17] = ((C[i-17] ^ (T>>>27) ^ (T>>>25) ^ (T>>>22) ^ (T>>>17)) >>> 0); + } + T = (C[17] >>> 27); + C[0] = ((C[0] ^ T ^ ((T<<2) ^ (T<<5) ^ (T<<10)) & 0xffffffff) >>> 0); + C[17] = (C[17] & 0x07ffffff); + + for(i=18; i<=35; i++) { + C[i] = 0; + } + + result = new Clipperz.Crypto.ECC.BinaryField.Value(C); + } + + return result; + }; + } + + return Clipperz.Crypto.ECC.StandardCurves._B571; + }, + + //----------------------------------------------------------------------------- + + '_B283': null, + 'B283': function() { // f(z) = z^283 + z^12 + z^7 + z^5 + 1 + if (Clipperz.Crypto.ECC.StandardCurves._B283 == null) { + Clipperz.Crypto.ECC.StandardCurves._B283 = new Clipperz.Crypto.ECC.BinaryField.Curve({ +// modulus: new Clipperz.Crypto.ECC.BinaryField.Value('10000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000010a1', 16), + modulus: new Clipperz.Crypto.ECC.BinaryField.Value('08000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 000010a1', 16), + a: new Clipperz.Crypto.ECC.BinaryField.Value('1', 16), + b: new Clipperz.Crypto.ECC.BinaryField.Value('027b680a c8b8596d a5a4af8a 19a0303f ca97fd76 45309fa2 a581485a f6263e31 3b79a2f5', 16), + G: new Clipperz.Crypto.ECC.BinaryField.Point({ + x: new Clipperz.Crypto.ECC.BinaryField.Value('05f93925 8db7dd90 e1934f8c 70b0dfec 2eed25b8 557eac9c 80e2e198 f8cdbecd 86b12053', 16), + y: new Clipperz.Crypto.ECC.BinaryField.Value('03676854 fe24141c b98fe6d4 b20d02b4 516ff702 350eddb0 826779c8 13f0df45 be8112f4', 16) + }), + r: new Clipperz.Crypto.ECC.BinaryField.Value('03ffffff ffffffff ffffffff ffffffff ffffef90 399660fc 938a9016 5b042a7c efadb307', 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) + }); + + //----------------------------------------------------------------------------- + // + // Guide to Elliptic Curve Cryptography + // Darrel Hankerson, Alfred Menezes, Scott Vanstone + // - Pag: 56, Alorithm 2.43 + // + //----------------------------------------------------------------------------- + Clipperz.Crypto.ECC.StandardCurves._B283.finiteField().slowModule = Clipperz.Crypto.ECC.StandardCurves._B283.finiteField().module; + Clipperz.Crypto.ECC.StandardCurves._B283.finiteField().module = function(aValue) { + var result; + + if (aValue.bitSize() > 564) { + Clipperz.logWarning("ECC.StandarCurves.B283.finiteField().module: falling back to default implementation"); + result = Clipperz.Crypto.ECC.StandardCurves._B283.finiteField().slowModule(aValue); + } else { + var C, T; + var i; + + C = aValue._value.slice(0); + for (i=17; i>=9; i--) { + T = C[i]; + C[i-9] = (((C[i-9] ^ (T<<5) ^ (T<<10) ^ (T<<12) ^ (T<<17)) & 0xffffffff) >>> 0); + C[i-8] = ((C[i-8] ^ (T>>>27) ^ (T>>>22) ^ (T>>>20) ^ (T>>>15)) >>> 0); + } + T = (C[8] >>> 27); + C[0] = ((C[0] ^ T ^ ((T<<5) ^ (T<<7) ^ (T<<12)) & 0xffffffff) >>> 0); + C[8] = (C[8] & 0x07ffffff); + + for(i=9; i<=17; i++) { + C[i] = 0; + } + + result = new Clipperz.Crypto.ECC.BinaryField.Value(C); + } + + return result; + }; + } + + return Clipperz.Crypto.ECC.StandardCurves._B283; + }, + + //----------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" +}); + +//############################################################################# + diff --git a/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/FiniteField.js b/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/FiniteField.js new file mode 100644 index 0000000..7b7c2c6 --- a/dev/null +++ b/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/FiniteField.js @@ -0,0 +1,519 @@ +/* + +Copyright 2008-2013 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/. + +*/ + +//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.FiniteField = function(args) { + args = args || {}; + this._modulus = args.modulus; + + return this; +} + +Clipperz.Crypto.ECC.BinaryField.FiniteField.prototype = MochiKit.Base.update(null, { + + 'asString': function() { + return "Clipperz.Crypto.ECC.BinaryField.FiniteField (" + this.modulus().asString() + ")"; + }, + + //----------------------------------------------------------------------------- + + 'modulus': function() { + return this._modulus; + }, + + //----------------------------------------------------------------------------- + + '_module': function(aValue) { + var result; + var modulusComparison; + + modulusComparison = Clipperz.Crypto.ECC.BinaryField.Value._compare(aValue, this.modulus()._value); + + if (modulusComparison < 0) { + result = aValue; + } else if (modulusComparison == 0) { + result = [0]; + } else { + var modulusBitSize; + var resultBitSize; + + result = aValue; + + modulusBitSize = this.modulus().bitSize(); + resultBitSize = Clipperz.Crypto.ECC.BinaryField.Value._bitSize(result); + while (resultBitSize >= modulusBitSize) { + Clipperz.Crypto.ECC.BinaryField.Value._overwriteXor(result, Clipperz.Crypto.ECC.BinaryField.Value._shiftLeft(this.modulus()._value, resultBitSize - modulusBitSize)); + resultBitSize = Clipperz.Crypto.ECC.BinaryField.Value._bitSize(result); + } + } + + return result; + }, + + 'module': function(aValue) { + return new Clipperz.Crypto.ECC.BinaryField.Value(this._module(aValue._value.slice(0))); + }, + + //----------------------------------------------------------------------------- + + '_add': function(a, b) { + return Clipperz.Crypto.ECC.BinaryField.Value._xor(a, b); + }, + + '_overwriteAdd': function(a, b) { + Clipperz.Crypto.ECC.BinaryField.Value._overwriteXor(a, b); + }, + + 'add': function(a, b) { + return new Clipperz.Crypto.ECC.BinaryField.Value(this._add(a._value, b._value)); + }, + + //----------------------------------------------------------------------------- + + 'negate': function(aValue) { + return aValue.clone(); + }, + + //----------------------------------------------------------------------------- + + '_multiply': function(a, b) { + var result; + var valueToXor; + var i,c; + + result = [0]; + valueToXor = b; + c = Clipperz.Crypto.ECC.BinaryField.Value._bitSize(a); + for (i=0; i<c; i++) { + if (Clipperz.Crypto.ECC.BinaryField.Value._isBitSet(a, i) === true) { + Clipperz.Crypto.ECC.BinaryField.Value._overwriteXor(result, valueToXor); + } + valueToXor = Clipperz.Crypto.ECC.BinaryField.Value._overwriteShiftLeft(valueToXor, 1); + } + result = this._module(result); + + return result; + }, + + 'multiply': function(a, b) { + return new Clipperz.Crypto.ECC.BinaryField.Value(this._multiply(a._value, b._value)); + }, + + //----------------------------------------------------------------------------- + + '_fastMultiply': function(a, b) { + var result; + var B; + var i,c; + + result = [0]; + B = b.slice(0); // Is this array copy avoidable? + c = 32; + for (i=0; i<c; i++) { + var ii, cc; + + cc = a.length; + for (ii=0; ii<cc; ii++) { + if (((a[ii] >>> i) & 0x01) == 1) { + Clipperz.Crypto.ECC.BinaryField.Value._overwriteXor(result, B, ii); + } + } + + if (i < (c-1)) { + B = Clipperz.Crypto.ECC.BinaryField.Value._overwriteShiftLeft(B, 1); + } + } + result = this._module(result); + + return result; + }, + + 'fastMultiply': function(a, b) { + return new Clipperz.Crypto.ECC.BinaryField.Value(this._fastMultiply(a._value, b._value)); + }, + + //----------------------------------------------------------------------------- + // + // Guide to Elliptic Curve Cryptography + // Darrel Hankerson, Alfred Menezes, Scott Vanstone + // - Pag: 49, Alorithm 2.34 + // + //----------------------------------------------------------------------------- + + '_square': function(aValue) { + var result; + var value; + var c,i; + var precomputedValues; + + value = aValue; + result = new Array(value.length * 2); + precomputedValues = Clipperz.Crypto.ECC.BinaryField.FiniteField.squarePrecomputedBytes; + + c = value.length; + for (i=0; i<c; i++) { + result[i*2] = precomputedValues[(value[i] & 0x000000ff)]; + result[i*2] |= ((precomputedValues[(value[i] & 0x0000ff00) >>> 8]) << 16); + + result[i*2 + 1] = precomputedValues[(value[i] & 0x00ff0000) >>> 16]; + result[i*2 + 1] |= ((precomputedValues[(value[i] & 0xff000000) >>> 24]) << 16); + } + + return this._module(result); + }, + + 'square': function(aValue) { + return new Clipperz.Crypto.ECC.BinaryField.Value(this._square(aValue._value)); + }, + + //----------------------------------------------------------------------------- + + '_inverse': function(aValue) { + var result; + var b, c; + var u, v; + +// b = Clipperz.Crypto.ECC.BinaryField.Value.I._value; + b = [1]; +// c = Clipperz.Crypto.ECC.BinaryField.Value.O._value; + c = [0]; + u = this._module(aValue); + v = this.modulus()._value.slice(0); + + while (Clipperz.Crypto.ECC.BinaryField.Value._bitSize(u) > 1) { + var bitDifferenceSize; + + bitDifferenceSize = Clipperz.Crypto.ECC.BinaryField.Value._bitSize(u) - Clipperz.Crypto.ECC.BinaryField.Value._bitSize(v); + if (bitDifferenceSize < 0) { + var swap; + + swap = u; + u = v; + v = swap; + + swap = c; + c = b; + b = swap; + + bitDifferenceSize = -bitDifferenceSize; + } + + u = this._add(u, Clipperz.Crypto.ECC.BinaryField.Value._shiftLeft(v, bitDifferenceSize)); + b = this._add(b, Clipperz.Crypto.ECC.BinaryField.Value._shiftLeft(c, bitDifferenceSize)); +// this._overwriteAdd(u, Clipperz.Crypto.ECC.BinaryField.Value._shiftLeft(v, bitDifferenceSize)); +// this._overwriteAdd(b, Clipperz.Crypto.ECC.BinaryField.Value._shiftLeft(c, bitDifferenceSize)); + } + + result = this._module(b); + + return result; + }, + + 'inverse': function(aValue) { + return new Clipperz.Crypto.ECC.BinaryField.Value(this._inverse(aValue._value)); + }, + + //----------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" +}); + + +Clipperz.Crypto.ECC.BinaryField.FiniteField.squarePrecomputedBytes = [ + 0x0000, // 0 = 0000 0000 -> 0000 0000 0000 0000 + 0x0001, // 1 = 0000 0001 -> 0000 0000 0000 0001 + 0x0004, // 2 = 0000 0010 -> 0000 0000 0000 0100 + 0x0005, // 3 = 0000 0011 -> 0000 0000 0000 0101 + 0x0010, // 4 = 0000 0100 -> 0000 0000 0001 0000 + 0x0011, // 5 = 0000 0101 -> 0000 0000 0001 0001 + 0x0014, // 6 = 0000 0110 -> 0000 0000 0001 0100 + 0x0015, // 7 = 0000 0111 -> 0000 0000 0001 0101 + 0x0040, // 8 = 0000 1000 -> 0000 0000 0100 0000 + 0x0041, // 9 = 0000 1001 -> 0000 0000 0100 0001 + 0x0044, // 10 = 0000 1010 -> 0000 0000 0100 0100 + 0x0045, // 11 = 0000 1011 -> 0000 0000 0100 0101 + 0x0050, // 12 = 0000 1100 -> 0000 0000 0101 0000 + 0x0051, // 13 = 0000 1101 -> 0000 0000 0101 0001 + 0x0054, // 14 = 0000 1110 -> 0000 0000 0101 0100 + 0x0055, // 15 = 0000 1111 -> 0000 0000 0101 0101 + + 0x0100, // 16 = 0001 0000 -> 0000 0001 0000 0000 + 0x0101, // 17 = 0001 0001 -> 0000 0001 0000 0001 + 0x0104, // 18 = 0001 0010 -> 0000 0001 0000 0100 + 0x0105, // 19 = 0001 0011 -> 0000 0001 0000 0101 + 0x0110, // 20 = 0001 0100 -> 0000 0001 0001 0000 + 0x0111, // 21 = 0001 0101 -> 0000 0001 0001 0001 + 0x0114, // 22 = 0001 0110 -> 0000 0001 0001 0100 + 0x0115, // 23 = 0001 0111 -> 0000 0001 0001 0101 + 0x0140, // 24 = 0001 1000 -> 0000 0001 0100 0000 + 0x0141, // 25 = 0001 1001 -> 0000 0001 0100 0001 + 0x0144, // 26 = 0001 1010 -> 0000 0001 0100 0100 + 0x0145, // 27 = 0001 1011 -> 0000 0001 0100 0101 + 0x0150, // 28 = 0001 1100 -> 0000 0001 0101 0000 + 0x0151, // 28 = 0001 1101 -> 0000 0001 0101 0001 + 0x0154, // 30 = 0001 1110 -> 0000 0001 0101 0100 + 0x0155, // 31 = 0001 1111 -> 0000 0001 0101 0101 + + 0x0400, // 32 = 0010 0000 -> 0000 0100 0000 0000 + 0x0401, // 33 = 0010 0001 -> 0000 0100 0000 0001 + 0x0404, // 34 = 0010 0010 -> 0000 0100 0000 0100 + 0x0405, // 35 = 0010 0011 -> 0000 0100 0000 0101 + 0x0410, // 36 = 0010 0100 -> 0000 0100 0001 0000 + 0x0411, // 37 = 0010 0101 -> 0000 0100 0001 0001 + 0x0414, // 38 = 0010 0110 -> 0000 0100 0001 0100 + 0x0415, // 39 = 0010 0111 -> 0000 0100 0001 0101 + 0x0440, // 40 = 0010 1000 -> 0000 0100 0100 0000 + 0x0441, // 41 = 0010 1001 -> 0000 0100 0100 0001 + 0x0444, // 42 = 0010 1010 -> 0000 0100 0100 0100 + 0x0445, // 43 = 0010 1011 -> 0000 0100 0100 0101 + 0x0450, // 44 = 0010 1100 -> 0000 0100 0101 0000 + 0x0451, // 45 = 0010 1101 -> 0000 0100 0101 0001 + 0x0454, // 46 = 0010 1110 -> 0000 0100 0101 0100 + 0x0455, // 47 = 0010 1111 -> 0000 0100 0101 0101 + + 0x0500, // 48 = 0011 0000 -> 0000 0101 0000 0000 + 0x0501, // 49 = 0011 0001 -> 0000 0101 0000 0001 + 0x0504, // 50 = 0011 0010 -> 0000 0101 0000 0100 + 0x0505, // 51 = 0011 0011 -> 0000 0101 0000 0101 + 0x0510, // 52 = 0011 0100 -> 0000 0101 0001 0000 + 0x0511, // 53 = 0011 0101 -> 0000 0101 0001 0001 + 0x0514, // 54 = 0011 0110 -> 0000 0101 0001 0100 + 0x0515, // 55 = 0011 0111 -> 0000 0101 0001 0101 + 0x0540, // 56 = 0011 1000 -> 0000 0101 0100 0000 + 0x0541, // 57 = 0011 1001 -> 0000 0101 0100 0001 + 0x0544, // 58 = 0011 1010 -> 0000 0101 0100 0100 + 0x0545, // 59 = 0011 1011 -> 0000 0101 0100 0101 + 0x0550, // 60 = 0011 1100 -> 0000 0101 0101 0000 + 0x0551, // 61 = 0011 1101 -> 0000 0101 0101 0001 + 0x0554, // 62 = 0011 1110 -> 0000 0101 0101 0100 + 0x0555, // 63 = 0011 1111 -> 0000 0101 0101 0101 + + 0x1000, // 64 = 0100 0000 -> 0001 0000 0000 0000 + 0x1001, // 65 = 0100 0001 -> 0001 0000 0000 0001 + 0x1004, // 66 = 0100 0010 -> 0001 0000 0000 0100 + 0x1005, // 67 = 0100 0011 -> 0001 0000 0000 0101 + 0x1010, // 68 = 0100 0100 -> 0001 0000 0001 0000 + 0x1011, // 69 = 0100 0101 -> 0001 0000 0001 0001 + 0x1014, // 70 = 0100 0110 -> 0001 0000 0001 0100 + 0x1015, // 71 = 0100 0111 -> 0001 0000 0001 0101 + 0x1040, // 72 = 0100 1000 -> 0001 0000 0100 0000 + 0x1041, // 73 = 0100 1001 -> 0001 0000 0100 0001 + 0x1044, // 74 = 0100 1010 -> 0001 0000 0100 0100 + 0x1045, // 75 = 0100 1011 -> 0001 0000 0100 0101 + 0x1050, // 76 = 0100 1100 -> 0001 0000 0101 0000 + 0x1051, // 77 = 0100 1101 -> 0001 0000 0101 0001 + 0x1054, // 78 = 0100 1110 -> 0001 0000 0101 0100 + 0x1055, // 79 = 0100 1111 -> 0001 0000 0101 0101 + + 0x1100, // 80 = 0101 0000 -> 0001 0001 0000 0000 + 0x1101, // 81 = 0101 0001 -> 0001 0001 0000 0001 + 0x1104, // 82 = 0101 0010 -> 0001 0001 0000 0100 + 0x1105, // 83 = 0101 0011 -> 0001 0001 0000 0101 + 0x1110, // 84 = 0101 0100 -> 0001 0001 0001 0000 + 0x1111, // 85 = 0101 0101 -> 0001 0001 0001 0001 + 0x1114, // 86 = 0101 0110 -> 0001 0001 0001 0100 + 0x1115, // 87 = 0101 0111 -> 0001 0001 0001 0101 + 0x1140, // 88 = 0101 1000 -> 0001 0001 0100 0000 + 0x1141, // 89 = 0101 1001 -> 0001 0001 0100 0001 + 0x1144, // 90 = 0101 1010 -> 0001 0001 0100 0100 + 0x1145, // 91 = 0101 1011 -> 0001 0001 0100 0101 + 0x1150, // 92 = 0101 1100 -> 0001 0001 0101 0000 + 0x1151, // 93 = 0101 1101 -> 0001 0001 0101 0001 + 0x1154, // 94 = 0101 1110 -> 0001 0001 0101 0100 + 0x1155, // 95 = 0101 1111 -> 0001 0001 0101 0101 + + 0x1400, // 96 = 0110 0000 -> 0001 0100 0000 0000 + 0x1401, // 97 = 0110 0001 -> 0001 0100 0000 0001 + 0x1404, // 98 = 0110 0010 -> 0001 0100 0000 0100 + 0x1405, // 99 = 0110 0011 -> 0001 0100 0000 0101 + 0x1410, // 100 = 0110 0100 -> 0001 0100 0001 0000 + 0x1411, // 101 = 0110 0101 -> 0001 0100 0001 0001 + 0x1414, // 102 = 0110 0110 -> 0001 0100 0001 0100 + 0x1415, // 103 = 0110 0111 -> 0001 0100 0001 0101 + 0x1440, // 104 = 0110 1000 -> 0001 0100 0100 0000 + 0x1441, // 105 = 0110 1001 -> 0001 0100 0100 0001 + 0x1444, // 106 = 0110 1010 -> 0001 0100 0100 0100 + 0x1445, // 107 = 0110 1011 -> 0001 0100 0100 0101 + 0x1450, // 108 = 0110 1100 -> 0001 0100 0101 0000 + 0x1451, // 109 = 0110 1101 -> 0001 0100 0101 0001 + 0x1454, // 110 = 0110 1110 -> 0001 0100 0101 0100 + 0x1455, // 111 = 0110 1111 -> 0001 0100 0101 0101 + + 0x1500, // 112 = 0111 0000 -> 0001 0101 0000 0000 + 0x1501, // 113 = 0111 0001 -> 0001 0101 0000 0001 + 0x1504, // 114 = 0111 0010 -> 0001 0101 0000 0100 + 0x1505, // 115 = 0111 0011 -> 0001 0101 0000 0101 + 0x1510, // 116 = 0111 0100 -> 0001 0101 0001 0000 + 0x1511, // 117 = 0111 0101 -> 0001 0101 0001 0001 + 0x1514, // 118 = 0111 0110 -> 0001 0101 0001 0100 + 0x1515, // 119 = 0111 0111 -> 0001 0101 0001 0101 + 0x1540, // 120 = 0111 1000 -> 0001 0101 0100 0000 + 0x1541, // 121 = 0111 1001 -> 0001 0101 0100 0001 + 0x1544, // 122 = 0111 1010 -> 0001 0101 0100 0100 + 0x1545, // 123 = 0111 1011 -> 0001 0101 0100 0101 + 0x1550, // 124 = 0111 1100 -> 0001 0101 0101 0000 + 0x1551, // 125 = 0111 1101 -> 0001 0101 0101 0001 + 0x1554, // 126 = 0111 1110 -> 0001 0101 0101 0100 + 0x1555, // 127 = 0111 1111 -> 0001 0101 0101 0101 + + 0x4000, // 128 = 1000 0000 -> 0100 0000 0000 0000 + 0x4001, // 129 = 1000 0001 -> 0100 0000 0000 0001 + 0x4004, // 130 = 1000 0010 -> 0100 0000 0000 0100 + 0x4005, // 131 = 1000 0011 -> 0100 0000 0000 0101 + 0x4010, // 132 = 1000 0100 -> 0100 0000 0001 0000 + 0x4011, // 133 = 1000 0101 -> 0100 0000 0001 0001 + 0x4014, // 134 = 1000 0110 -> 0100 0000 0001 0100 + 0x4015, // 135 = 1000 0111 -> 0100 0000 0001 0101 + 0x4040, // 136 = 1000 1000 -> 0100 0000 0100 0000 + 0x4041, // 137 = 1000 1001 -> 0100 0000 0100 0001 + 0x4044, // 138 = 1000 1010 -> 0100 0000 0100 0100 + 0x4045, // 139 = 1000 1011 -> 0100 0000 0100 0101 + 0x4050, // 140 = 1000 1100 -> 0100 0000 0101 0000 + 0x4051, // 141 = 1000 1101 -> 0100 0000 0101 0001 + 0x4054, // 142 = 1000 1110 -> 0100 0000 0101 0100 + 0x4055, // 143 = 1000 1111 -> 0100 0000 0101 0101 + + 0x4100, // 144 = 1001 0000 -> 0100 0001 0000 0000 + 0x4101, // 145 = 1001 0001 -> 0100 0001 0000 0001 + 0x4104, // 146 = 1001 0010 -> 0100 0001 0000 0100 + 0x4105, // 147 = 1001 0011 -> 0100 0001 0000 0101 + 0x4110, // 148 = 1001 0100 -> 0100 0001 0001 0000 + 0x4111, // 149 = 1001 0101 -> 0100 0001 0001 0001 + 0x4114, // 150 = 1001 0110 -> 0100 0001 0001 0100 + 0x4115, // 151 = 1001 0111 -> 0100 0001 0001 0101 + 0x4140, // 152 = 1001 1000 -> 0100 0001 0100 0000 + 0x4141, // 153 = 1001 1001 -> 0100 0001 0100 0001 + 0x4144, // 154 = 1001 1010 -> 0100 0001 0100 0100 + 0x4145, // 155 = 1001 1011 -> 0100 0001 0100 0101 + 0x4150, // 156 = 1001 1100 -> 0100 0001 0101 0000 + 0x4151, // 157 = 1001 1101 -> 0100 0001 0101 0001 + 0x4154, // 158 = 1001 1110 -> 0100 0001 0101 0100 + 0x4155, // 159 = 1001 1111 -> 0100 0001 0101 0101 + + 0x4400, // 160 = 1010 0000 -> 0100 0100 0000 0000 + 0x4401, // 161 = 1010 0001 -> 0100 0100 0000 0001 + 0x4404, // 162 = 1010 0010 -> 0100 0100 0000 0100 + 0x4405, // 163 = 1010 0011 -> 0100 0100 0000 0101 + 0x4410, // 164 = 1010 0100 -> 0100 0100 0001 0000 + 0x4411, // 165 = 1010 0101 -> 0100 0100 0001 0001 + 0x4414, // 166 = 1010 0110 -> 0100 0100 0001 0100 + 0x4415, // 167 = 1010 0111 -> 0100 0100 0001 0101 + 0x4440, // 168 = 1010 1000 -> 0100 0100 0100 0000 + 0x4441, // 169 = 1010 1001 -> 0100 0100 0100 0001 + 0x4444, // 170 = 1010 1010 -> 0100 0100 0100 0100 + 0x4445, // 171 = 1010 1011 -> 0100 0100 0100 0101 + 0x4450, // 172 = 1010 1100 -> 0100 0100 0101 0000 + 0x4451, // 173 = 1010 1101 -> 0100 0100 0101 0001 + 0x4454, // 174 = 1010 1110 -> 0100 0100 0101 0100 + 0x4455, // 175 = 1010 1111 -> 0100 0100 0101 0101 + + 0x4500, // 176 = 1011 0000 -> 0100 0101 0000 0000 + 0x4501, // 177 = 1011 0001 -> 0100 0101 0000 0001 + 0x4504, // 178 = 1011 0010 -> 0100 0101 0000 0100 + 0x4505, // 179 = 1011 0011 -> 0100 0101 0000 0101 + 0x4510, // 180 = 1011 0100 -> 0100 0101 0001 0000 + 0x4511, // 181 = 1011 0101 -> 0100 0101 0001 0001 + 0x4514, // 182 = 1011 0110 -> 0100 0101 0001 0100 + 0x4515, // 183 = 1011 0111 -> 0100 0101 0001 0101 + 0x4540, // 184 = 1011 1000 -> 0100 0101 0100 0000 + 0x4541, // 185 = 1011 1001 -> 0100 0101 0100 0001 + 0x4544, // 186 = 1011 1010 -> 0100 0101 0100 0100 + 0x4545, // 187 = 1011 1011 -> 0100 0101 0100 0101 + 0x4550, // 188 = 1011 1100 -> 0100 0101 0101 0000 + 0x4551, // 189 = 1011 1101 -> 0100 0101 0101 0001 + 0x4554, // 190 = 1011 1110 -> 0100 0101 0101 0100 + 0x4555, // 191 = 1011 1111 -> 0100 0101 0101 0101 + + 0x5000, // 192 = 1100 0000 -> 0101 0000 0000 0000 + 0x5001, // 193 = 1100 0001 -> 0101 0000 0000 0001 + 0x5004, // 194 = 1100 0010 -> 0101 0000 0000 0100 + 0x5005, // 195 = 1100 0011 -> 0101 0000 0000 0101 + 0x5010, // 196 = 1100 0100 -> 0101 0000 0001 0000 + 0x5011, // 197 = 1100 0101 -> 0101 0000 0001 0001 + 0x5014, // 198 = 1100 0110 -> 0101 0000 0001 0100 + 0x5015, // 199 = 1100 0111 -> 0101 0000 0001 0101 + 0x5040, // 200 = 1100 1000 -> 0101 0000 0100 0000 + 0x5041, // 201 = 1100 1001 -> 0101 0000 0100 0001 + 0x5044, // 202 = 1100 1010 -> 0101 0000 0100 0100 + 0x5045, // 203 = 1100 1011 -> 0101 0000 0100 0101 + 0x5050, // 204 = 1100 1100 -> 0101 0000 0101 0000 + 0x5051, // 205 = 1100 1101 -> 0101 0000 0101 0001 + 0x5054, // 206 = 1100 1110 -> 0101 0000 0101 0100 + 0x5055, // 207 = 1100 1111 -> 0101 0000 0101 0101 + + 0x5100, // 208 = 1101 0000 -> 0101 0001 0000 0000 + 0x5101, // 209 = 1101 0001 -> 0101 0001 0000 0001 + 0x5104, // 210 = 1101 0010 -> 0101 0001 0000 0100 + 0x5105, // 211 = 1101 0011 -> 0101 0001 0000 0101 + 0x5110, // 212 = 1101 0100 -> 0101 0001 0001 0000 + 0x5111, // 213 = 1101 0101 -> 0101 0001 0001 0001 + 0x5114, // 214 = 1101 0110 -> 0101 0001 0001 0100 + 0x5115, // 215 = 1101 0111 -> 0101 0001 0001 0101 + 0x5140, // 216 = 1101 1000 -> 0101 0001 0100 0000 + 0x5141, // 217 = 1101 1001 -> 0101 0001 0100 0001 + 0x5144, // 218 = 1101 1010 -> 0101 0001 0100 0100 + 0x5145, // 219 = 1101 1011 -> 0101 0001 0100 0101 + 0x5150, // 220 = 1101 1100 -> 0101 0001 0101 0000 + 0x5151, // 221 = 1101 1101 -> 0101 0001 0101 0001 + 0x5154, // 222 = 1101 1110 -> 0101 0001 0101 0100 + 0x5155, // 223 = 1101 1111 -> 0101 0001 0101 0101 + + 0x5400, // 224 = 1110 0000 -> 0101 0100 0000 0000 + 0x5401, // 225 = 1110 0001 -> 0101 0100 0000 0001 + 0x5404, // 226 = 1110 0010 -> 0101 0100 0000 0100 + 0x5405, // 227 = 1110 0011 -> 0101 0100 0000 0101 + 0x5410, // 228 = 1110 0100 -> 0101 0100 0001 0000 + 0x5411, // 229 = 1110 0101 -> 0101 0100 0001 0001 + 0x5414, // 230 = 1110 0110 -> 0101 0100 0001 0100 + 0x5415, // 231 = 1110 0111 -> 0101 0100 0001 0101 + 0x5440, // 232 = 1110 1000 -> 0101 0100 0100 0000 + 0x5441, // 233 = 1110 1001 -> 0101 0100 0100 0001 + 0x5444, // 234 = 1110 1010 -> 0101 0100 0100 0100 + 0x5445, // 235 = 1110 1011 -> 0101 0100 0100 0101 + 0x5450, // 236 = 1110 1100 -> 0101 0100 0101 0000 + 0x5451, // 237 = 1110 1101 -> 0101 0100 0101 0001 + 0x5454, // 238 = 1110 1110 -> 0101 0100 0101 0100 + 0x5455, // 239 = 1110 1111 -> 0101 0100 0101 0101 + + 0x5500, // 240 = 1111 0000 -> 0101 0101 0000 0000 + 0x5501, // 241 = 1111 0001 -> 0101 0101 0000 0001 + 0x5504, // 242 = 1111 0010 -> 0101 0101 0000 0100 + 0x5505, // 243 = 1111 0011 -> 0101 0101 0000 0101 + 0x5510, // 244 = 1111 0100 -> 0101 0101 0001 0000 + 0x5511, // 245 = 1111 0101 -> 0101 0101 0001 0001 + 0x5514, // 246 = 1111 0110 -> 0101 0101 0001 0100 + 0x5515, // 247 = 1111 0111 -> 0101 0101 0001 0101 + 0x5540, // 248 = 1111 1000 -> 0101 0101 0100 0000 + 0x5541, // 249 = 1111 1001 -> 0101 0101 0100 0001 + 0x5544, // 250 = 1111 1010 -> 0101 0101 0100 0100 + 0x5545, // 251 = 1111 1011 -> 0101 0101 0100 0101 + 0x5550, // 252 = 1111 1100 -> 0101 0101 0101 0000 + 0x5551, // 253 = 1111 1101 -> 0101 0101 0101 0001 + 0x5554, // 254 = 1111 1110 -> 0101 0101 0101 0100 + 0x5555 // 255 = 1111 1111 -> 0101 0101 0101 0101 + +] diff --git a/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Point.js b/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Point.js new file mode 100644 index 0000000..fef3220 --- a/dev/null +++ b/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Point.js @@ -0,0 +1,62 @@ +/* + +Copyright 2008-2013 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/. + +*/ + +//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.Point = function(args) { + args = args || {}; + this._x = args.x; + this._y = args.y; + + return this; +} + +Clipperz.Crypto.ECC.BinaryField.Point.prototype = MochiKit.Base.update(null, { + + 'asString': function() { + return "Clipperz.Crypto.ECC.BinaryField.Point (" + this.x() + ", " + this.y() + ")"; + }, + + //----------------------------------------------------------------------------- + + 'x': function() { + return this._x; + }, + + 'y': function() { + return this._y; + }, + + //----------------------------------------------------------------------------- + + 'isZero': function() { + return (this.x().isZero() && this.y().isZero()) + }, + + //----------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" +}); diff --git a/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Value.js b/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Value.js new file mode 100644 index 0000000..634772a --- a/dev/null +++ b/frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Value.js @@ -0,0 +1,379 @@ +/* + +Copyright 2008-2013 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/. + +*/ + +//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); + } +}; + +Clipperz.Crypto.ECC.BinaryField.Value._shiftLeft = function(aWordArray, aNumberOfBitsToShift) { + var numberOfWordsToShift; + var numberOfBitsToShift; + var result; + var overflowValue; + var nextOverflowValue; + var i,c; + + numberOfWordsToShift = Math.floor(aNumberOfBitsToShift / 32); + numberOfBitsToShift = aNumberOfBitsToShift % 32; + + result = new Array(aWordArray.length + numberOfWordsToShift); + + c = numberOfWordsToShift; + for (i=0; i<c; i++) { + result[i] = 0; + } + + overflowValue = 0; + nextOverflowValue = 0; + + c = aWordArray.length; + for (i=0; i<c; i++) { + var value; + var resultWord; + +// value = this.value()[i]; + value = aWordArray[i]; + + if (numberOfBitsToShift > 0) { + nextOverflowValue = (value >>> (32 - numberOfBitsToShift)); + value = value & (0xffffffff >>> numberOfBitsToShift); + resultWord = (((value << numberOfBitsToShift) | overflowValue) >>> 0); + } else { + resultWord = value; + } + + result[i+numberOfWordsToShift] = resultWord; + overflowValue = nextOverflowValue; + } + + if (overflowValue != 0) { + result[aWordArray.length + numberOfWordsToShift] = overflowValue; + } + + return result; +}; + +Clipperz.Crypto.ECC.BinaryField.Value._overwriteShiftLeft = function(aWordArray, aNumberOfBitsToShift) { + var numberOfWordsToShift; + var numberOfBitsToShift; + var result; + var overflowValue; + var i,c; + + numberOfWordsToShift = Math.floor(aNumberOfBitsToShift / 32); + numberOfBitsToShift = aNumberOfBitsToShift % 32; + + result = new Array(aWordArray.length + numberOfWordsToShift); + + c = numberOfWordsToShift; + for (i=0; i<c; i++) { + result[i] = 0; + } + + overflowValue = 0; + nextOverflowValue = 0; + + c = aWordArray.length; + for (i=0; i<c; i++) { + var value; + var resultWord; + +// value = this.value()[i]; + value = aWordArray[i]; + + if (numberOfBitsToShift > 0) { + var nextOverflowValue; + + nextOverflowValue = (value >>> (32 - numberOfBitsToShift)); + value = value & (0xffffffff >>> numberOfBitsToShift); + resultWord = (((value << numberOfBitsToShift) | overflowValue) >>> 0); + } else { + resultWord = value; + } + + result[i+numberOfWordsToShift] = resultWord; + overflowValue = nextOverflowValue; + } + + if (overflowValue != 0) { + result[aWordArray.length + numberOfWordsToShift] = overflowValue; + } + + return result; +}; + +Clipperz.Crypto.ECC.BinaryField.Value._bitSize = function(aWordArray) { + var result; + var notNullElements; + var mostValuableWord; + var matchingBitsInMostImportantWord; + var mask; + var i,c; + + notNullElements = aWordArray.length; + + if ((aWordArray.length == 1) && (aWordArray[0] == 0)) { + result = 0; + } else { + notNullElements --; + while((notNullElements > 0) && (aWordArray[notNullElements] == 0)) { + notNullElements --; + } + + result = notNullElements * 32; + mostValuableWord = aWordArray[notNullElements]; + + matchingBits = 32; + mask = 0x80000000; + + while ((matchingBits > 0) && ((mostValuableWord & mask) == 0)) { + matchingBits --; + mask >>>= 1; + } + + result += matchingBits; + } + + return result; +}; + +Clipperz.Crypto.ECC.BinaryField.Value._isBitSet = function(aWordArray, aBitPosition) { + var result; + var byteIndex; + var bitIndexInSelectedByte; + + byteIndex = Math.floor(aBitPosition / 32); + bitIndexInSelectedByte = aBitPosition % 32; + + if (byteIndex <= aWordArray.length) { + result = ((aWordArray[byteIndex] & (1 << bitIndexInSelectedByte)) != 0); + } else { + result = false; + } + + return result; +}; + +Clipperz.Crypto.ECC.BinaryField.Value._compare = function(a,b) { + var result; + var i,c; + + result = MochiKit.Base.compare(a.length, b.length); + + c = a.length; + for (i=0; (i<c) && (result==0); i++) { + result = MochiKit.Base.compare(a[c-i-1], b[c-i-1]); + } + + return result; +}; + + +Clipperz.Crypto.ECC.BinaryField.Value['exception']= { + 'UnsupportedBase': new MochiKit.Base.NamedError("Clipperz.Crypto.ECC.BinaryField.Value.exception.UnsupportedBase"), + 'UnsupportedConstructorValueType': new MochiKit.Base.NamedError("Clipperz.Crypto.ECC.BinaryField.Value.exception.UnsupportedConstructorValueType") +}; 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