/*

 * 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_SOFTWARESHA384AND512IMPL_H_

 #define __CRYPTOAPI_SOFTWARESHA384AND512IMPL_H_

 #include "softwarehashbase.h"

 #include "shacommon.h"

 namespace SoftwareCrypto

 	{

 	using namespace CryptoSpi;

 	const TInt KSHA512BlockSize	= 128;

 	const TInt KSHA384HashSize	= 48;

 	const TInt KSHA512HashSize	= 64;

 	NONSHARABLE_CLASS(CSHA384And512Impl) : public CBase, public MSHA2Impl

 		{	

 	public:

 		//NewL	

 		static CSHA384And512Impl* NewL(TInt aHashSize = KSHA512HashSize);

 		CSHA384And512Impl(const CSHA384And512Impl& aSHA512Impl);

 		//From MSHAImpl

 		virtual void Reset(const TAny* aValueArr);

 		virtual const TDesC8& Final(void);

 		virtual void Update(const TUint8* aData,TUint aLength);

 		virtual void StoreState();

 		virtual void RestoreState();

 	private:

 		//Constructors

 		CSHA384And512Impl(TInt aHashSize);

 	private:

 		// Private member functions

 		/**

 		 * @param aLength - Length of message added in bytes.

 		 */ 

 		inline void AddLength(const TUint64 aLength);

 		inline void CopyWordToHash(TUint64 aVal, TUint aIndex);

 		void Block();

 		void PadMessage();

 	private:

 		TBuf8<KSHA512HashSize> iHash;

 		TUint64 iA;

 		TUint64 iB;

 		TUint64 iC;

 		TUint64 iD;

 		TUint64 iE;

 		TUint64 iF;

 		TUint64 iG;

 		TUint64 iH;

 		TUint64 iData[KSHA512BlockSize];

 		TUint64 iACopy;

 		TUint64 iBCopy;

 		TUint64 iCCopy;

 		TUint64 iDCopy;

 		TUint64 iECopy;

 		TUint64 iFCopy;

 		TUint64 iGCopy;

 		TUint64 iHCopy;

 		TUint64 iNlCopy;

 		TUint64 iNhCopy;

 		TUint	iBlockIndexCopy;

 		TUint64 iDataCopy[KSHA512BlockSize];

 		TUint64 iNl; // Lower word of Message Length

 		TUint64 iNh; // Higher word of Message Length

 		TUint iBlockIndex; // Message Length in the current block

 		};

 	}

 #endif // __CRYPTOAPI_SOFTWARESHA384AND512IMPL_H_