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/*
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* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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/**
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@file
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@internalComponent
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@released
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*/
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#ifndef __DHKEYPAIRSHIM_H__
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#define __DHKEYPAIRSHIM_H__
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#include "asymmetrickeys.h"
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/**
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* This class is capable of generating a Diffie-Hellman (DH) public/private key pair using the new crypto SPI interface.
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*/
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NONSHARABLE_CLASS(CDHKeyPairShim) : public CDHKeyPair
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{
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public:
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/**
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* Creates a new DH key pair from a random large integer,
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* and a specified large prime and generator.
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*
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* The returned pointer is put onto the cleanup stack.
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*
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* @param aN The DH parameter, n (a large prime)
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* @param aG The DH parameter, g (the generator)
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* @return A pointer to a CDHKeyPairShim instance
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*
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* @leave KErrArgument If aG is out of bounds
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*/
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static CDHKeyPairShim* NewLC(RInteger& aN, RInteger& aG);
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/**
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* Creates a new DH key pair from a specified
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* large prime, generator, and random large integer.
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*
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* The returned pointer is put onto the cleanup stack.
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*
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* @param aN The DH parameter, n (a large prime)
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* @param aG The DH parameter, g (the generator)
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* @param ax The DH value, x (a random large integer)
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* @return A pointer to a CDHKeyPairShim instance
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*
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* @leave KErrArgument If either aG or ax are out of bounds
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*/
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static CDHKeyPairShim* NewLC(RInteger& aN, RInteger& aG, RInteger& ax);
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/** The destructor frees all resources owned by the object, prior to its destruction. */
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~CDHKeyPairShim(void);
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protected:
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/** Default constructor */
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CDHKeyPairShim(void);
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/**
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* Constructor
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*
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* @param aN The DH parameter, n (a large prime)
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* @param aG The DH parameter, g (the generator)
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*/
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void ConstructL(RInteger& aN, RInteger& aG);
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/**
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* Constructor
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*
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* @param aN The DH parameter, n (a large prime)
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* @param aG The DH parameter, g (the generator)
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* @param ax The DH value, x (a random large integer)
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*/
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void ConstructL(RInteger& aN, RInteger& aG, RInteger& ax);
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/**
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Creates the DH keypair from the given parameters
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@param aN The DH parameter, n (a large prime)
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@param aG The DH parameter, g (the generator)
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@param ax The DH value, x (a random large integer)
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@param xIncluded if the x is included or not.
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*/
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void KeyConstructorL(RInteger& aN, RInteger& aG, RInteger& ax, TBool xIncluded);
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private:
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CDHKeyPairShim(const CDHKeyPairShim&);
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CDHKeyPairShim& operator=(const CDHKeyPairShim&);
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};
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#endif // __DHKEYPAIRSHIM_H__
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