sl@0: /*
sl@0: * Copyright (c) 2007-2009 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: 
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalComponent
sl@0:  @released
sl@0: */
sl@0: 
sl@0: 
sl@0: #ifndef __CRYPTOAPI_SOFTWARESHA384AND512IMPL_H_
sl@0: #define __CRYPTOAPI_SOFTWARESHA384AND512IMPL_H_
sl@0: 
sl@0: 
sl@0: #include "softwarehashbase.h"
sl@0: #include "shacommon.h"
sl@0: 
sl@0: namespace SoftwareCrypto
sl@0: 	{
sl@0: 	using namespace CryptoSpi;
sl@0: 	
sl@0: 	const TInt KSHA512BlockSize	= 128;
sl@0: 	const TInt KSHA384HashSize	= 48;
sl@0: 	const TInt KSHA512HashSize	= 64;
sl@0: 			
sl@0: 	NONSHARABLE_CLASS(CSHA384And512Impl) : public CBase, public MSHA2Impl
sl@0: 		{	
sl@0: 	public:
sl@0: 		//NewL	
sl@0: 		static CSHA384And512Impl* NewL(TInt aHashSize = KSHA512HashSize);
sl@0: 		CSHA384And512Impl(const CSHA384And512Impl& aSHA512Impl);
sl@0: 		
sl@0: 		//From MSHAImpl
sl@0: 		virtual void Reset(const TAny* aValueArr);
sl@0: 		virtual const TDesC8& Final(void);
sl@0: 		virtual void Update(const TUint8* aData,TUint aLength);
sl@0: 		virtual void StoreState();
sl@0: 		virtual void RestoreState();
sl@0: 
sl@0: 	private:
sl@0: 		//Constructors
sl@0: 		CSHA384And512Impl(TInt aHashSize);
sl@0: 
sl@0: 	private:
sl@0: 		// Private member functions
sl@0: 		/**
sl@0: 		 * @param aLength - Length of message added in bytes.
sl@0: 		 */ 
sl@0: 		inline void AddLength(const TUint64 aLength);
sl@0: 		inline void CopyWordToHash(TUint64 aVal, TUint aIndex);
sl@0: 		void Block();
sl@0: 		void PadMessage();
sl@0: 
sl@0: 	private:
sl@0: 		TBuf8<KSHA512HashSize> iHash;
sl@0: 		TUint64 iA;
sl@0: 		TUint64 iB;
sl@0: 		TUint64 iC;
sl@0: 		TUint64 iD;
sl@0: 		TUint64 iE;
sl@0: 		TUint64 iF;
sl@0: 		TUint64 iG;
sl@0: 		TUint64 iH;
sl@0: 		TUint64 iData[KSHA512BlockSize];
sl@0: 
sl@0: 		TUint64 iACopy;
sl@0: 		TUint64 iBCopy;
sl@0: 		TUint64 iCCopy;
sl@0: 		TUint64 iDCopy;
sl@0: 		TUint64 iECopy;
sl@0: 		TUint64 iFCopy;
sl@0: 		TUint64 iGCopy;
sl@0: 		TUint64 iHCopy;
sl@0: 		TUint64 iNlCopy;
sl@0: 		TUint64 iNhCopy;
sl@0: 		TUint	iBlockIndexCopy;
sl@0: 		TUint64 iDataCopy[KSHA512BlockSize];
sl@0: 		
sl@0: 		TUint64 iNl; // Lower word of Message Length
sl@0: 		TUint64 iNh; // Higher word of Message Length
sl@0: 		TUint iBlockIndex; // Message Length in the current block
sl@0: 		};
sl@0: 	}
sl@0: 
sl@0: #endif // __CRYPTOAPI_SOFTWARESHA384AND512IMPL_H_