--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcrypto/source/bigint/mont.h	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,61 @@
+/*
+* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+* CMontgomeryStructure class implementation
+*
+*/
+
+
+
+
+/**
+ @file 
+ @internalComponent
+*/
+ 
+#ifndef __MONT_H__
+#define __MONT_H__
+
+class TInteger;
+class RInteger;
+
+/** A special representation of integers allowing efficient multiplication
+ * and exponentiation under special conditions.
+ * @internalComponent
+ */
+class CMontgomeryStructure : public CBase
+	{
+public:
+	static CMontgomeryStructure* NewL(const TInteger& aModulus);
+	static CMontgomeryStructure* NewLC(const TInteger& aModulus);
+	~CMontgomeryStructure();
+	const TInteger& ReduceL(const TInteger& aInteger) const;
+	const TInteger& MultiplyL(const TInteger& aA, const TInteger& aB) const;
+	const TInteger& ExponentiateL(const TInteger& aBase, const TInteger& aExponent) const;
+	const TInteger& SquareL(const TInteger& aA) const;
+protected:
+	void DoMultiplyL(TInteger& aResult, const TInteger& aA, const TInteger& aB) const;
+	void DoSquareL(TInteger& aResult, const TInteger& aA) const;
+	TInteger& ConvertInL(TInteger& aInteger) const;
+	TInteger& ConvertOutL(TInteger& aInteger) const;
+	CMontgomeryStructure();
+private:
+	void ConstructL(const TInteger& aModulus);
+	RInteger iModulus;
+	RInteger iModulusInv;
+	RInteger iWorkspace;
+	mutable RInteger iResult;
+	};
+
+#endif // __MONT_H__