/*

* Copyright (c) 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: 

*

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef	CDUMMYECCSIGNERIMPL_H

#define	CDUMMYECCSIGNERIMPL_H

#include <e32base.h>

#include <e32cmn.h>

#include "keys.h"

#include "signerplugin.h"

namespace DummyEccHwCrypto

	{

	using namespace CryptoSpi;

    /**

     * Implements the MSigner interface.

     * 

     * This should be used to create the signer object to perform 

     * signing using ECC.

     */

	NONSHARABLE_CLASS(CDummyECCSignerImpl) : public CBase, public MSigner

		{

	public:

		static CDummyECCSignerImpl* NewL(const CryptoSpi::CKey& aKey, 

			TUid aPaddingMode);

		static CDummyECCSignerImpl* NewLC(const CryptoSpi::CKey& aKey, 

			TUid aPaddingMode);

		// MPlugin Interface

		void Close();

        void Reset();

        void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);

        const CExtendedCharacteristics* GetExtendedCharacteristicsL();

        TAny* GetExtension(TUid aExtensionId);

        // End of MPlugin Interface    

        // MSignatureBase inteface

		void SetPaddingModeL(TUid aPaddingMode);

		void SetKeyL(const CKey& aPrivateKey);

		TInt GetMaximumInputLengthL() const;

		TInt GetMaximumOutputLengthL() const;

		// End of MSignatureBase inteface

		// MSigner interface

		void SignL(const TDesC8& aInput, CCryptoParams& aSignature);

		TUid ImplementationUid() const;

		/// Destructor

		~CDummyECCSignerImpl();

	private:

		CDummyECCSignerImpl(TUid aPaddingMode);

		void ConstructL(const CryptoSpi::CKey& aKey);

	private:

	    /* The key extracted from a CKey object. This would just have 

         * a handle to the key stored in hardware. Hence the actual key 

         * would not be available to the user of this cryptoSPI plugin.

         */

        CKey* iKey;

	    TUid iPaddingMode;

		};

	}

#endif //CDUMMYECCSIGNERIMPL_H