/*

* 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 __CRYPTO_SHA384AND512_H_

#define __CRYPTO_SHA384AND512_H_

#include "shacommon.h"

const TInt KSHA512BlockSize	= 128;

const TInt KSHA384HashSize	= 48;

const TInt KSHA512HashSize	= 64;

NONSHARABLE_CLASS(CSHA384And512) : public CBase, public MSHA2Impl

	{	

public:

	//NewL	

	static CSHA384And512* NewL();

	CSHA384And512(const CSHA384And512& aSHAImpl);

	//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

	CSHA384And512();

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 // __CRYPTO_SHA384AND512_H_