/*

 * Copyright (c) 2007-2009 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 __CRYPTOAPI_SOFTWARESHA2IMPL_H_

 #define __CRYPTOAPI_SOFTWARESHA2IMPL_H_

 #include "softwarehashbase.h"

 namespace SoftwareCrypto

 	{

 	using namespace CryptoSpi;

 	class MSHA2Impl;

 	NONSHARABLE_CLASS(CSHA2Impl) : public CBase, public MSoftwareHash

 		{

 	public:

 		//NewL & NewLC	

 		static CSHA2Impl* NewL(TInt32 aAlgorithmId);

 		static CSHA2Impl* NewLC(TInt32 aAlgorithmId);

 		//From MPlugin

 		void Reset();

 		void Close();		

 		void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);		

 		static CExtendedCharacteristics* CreateExtendedCharacteristicsL();

 		const CExtendedCharacteristics* GetExtendedCharacteristicsL();

 		TAny* GetExtension(TUid aExtensionId);

 		//From MHash

 		TPtrC8 Hash(const TDesC8& aMessage);

 		void Update(const TDesC8& aMessage);

 		TPtrC8 Final(const TDesC8& aMessage);

 		MHash* ReplicateL();		

 		MHash* CopyL();

 		void SetKeyL(const CKey& aKey);

 		void SetOperationModeL(TUid aOperationMode);		

 		//From MSoftwareHash

 		void RestoreState();

 		void StoreState();

 	private:

 		//Constructors

 		void ConstructL(TInt32 aAlgorithmId);

 		void ConstructL(const CSHA2Impl& aSHA512Impl);

 		//Destructor

 		~CSHA2Impl();

 		TUid ImplementationUid();

 	private:

 		MSHA2Impl*	iImplementation;

 		const TAny*	iInitValues;

 		TUid		iImplementationUid;

 		TUint		iHashSize;

 		};

 	}

 #endif //__CRYPTOAPI_SOFTWARESHA2IMPL_H_