From 20bea94ab6b91c85b171dcf86baba0a64169d508 Mon Sep 17 00:00:00 2001
From: Giulio Cesare Solaroli <giulio.cesare@clipperz.com>
Date: Fri, 30 Aug 2013 15:56:53 +0000
Subject: First release of /delta version

---
(limited to 'frontend/delta/js/Clipperz/Crypto/ECC/BinaryField/Curve.js')

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"
+});
+
+//#############################################################################
+
--
cgit v0.9.0.2