sl@0: /*
sl@0: * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #ifndef __KEYAGREEMENTIMPL_H__
sl@0: #define __KEYAGREEMENTIMPL_H__
sl@0: 
sl@0: /**
sl@0: @file 
sl@0: @internalComponent
sl@0: @released
sl@0: */
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <cryptospi/cryptospidef.h>
sl@0: #include "keys.h"
sl@0: #include "keyagreementplugin.h"
sl@0: 
sl@0: /**
sl@0:  * Abstract base class for key agreement plug-ins.
sl@0:  */
sl@0: namespace SoftwareCrypto
sl@0: 	{
sl@0: 	using namespace CryptoSpi;
sl@0: 	
sl@0: 	NONSHARABLE_CLASS(CKeyAgreementImpl) : public CBase, public MKeyAgreement
sl@0: 		{
sl@0: 	public:
sl@0: 		
sl@0: 		// Override MPlugin virtual functions
sl@0: 		void Close();
sl@0: 		void Reset(); // Always call reset in super-class if you override this
sl@0: 		TAny* GetExtension(TUid aExtensionId);
sl@0: 		void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);
sl@0: 		// End of MPlugin
sl@0: 
sl@0: 		// Override MKeyAgreement virtual functions
sl@0: 		void SetKeyL(const CKey& aSelfPrivateKey, const CCryptoParams* aParams);
sl@0: 		// End of MKeyAgreement
sl@0: 
sl@0: 		/// Destructor
sl@0: 		~CKeyAgreementImpl();
sl@0: 		
sl@0: 	protected:
sl@0: 		/**
sl@0: 		Constructor
sl@0: 		*/
sl@0: 		CKeyAgreementImpl();
sl@0: 			
sl@0: 		/**
sl@0: 		Second phase of construction. Always call ConstructL in the super-class
sl@0: 		if your override this method.
sl@0: 		@param aPrivateKey The private key of one of the parties
sl@0: 		@param aParams	The parameters shared between both parties
sl@0: 		*/
sl@0: 		virtual void ConstructL(const CKey& aPrivateKey, const CCryptoParams* aParams);
sl@0: 
sl@0: 		/**
sl@0: 		Helper function implemented by concrete cipher sub-class that allows
sl@0: 		GetCharacteristicsL to return the correct characteristics object.
sl@0: 		@return The implemention uid
sl@0: 		*/
sl@0: 		virtual TUid ImplementationUid() const = 0;
sl@0: 
sl@0: 	private:
sl@0: 
sl@0: 	protected:
sl@0: 		CKey* iPrivateKey;
sl@0: 		CCryptoParams* iSharedParams;	// common parameters between our private key and their public key
sl@0: 		};
sl@0: 	}
sl@0: 
sl@0: #endif	//	__KEYAGREEMENTIMPL_H__