os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/sha2impl.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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/*
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* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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/**
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 @file
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 @internalComponent
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 @released
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*/
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#ifndef __CRYPTOAPI_SOFTWARESHA2IMPL_H_
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#define __CRYPTOAPI_SOFTWARESHA2IMPL_H_
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#include "softwarehashbase.h"
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namespace SoftwareCrypto
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	{
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	using namespace CryptoSpi;
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	class MSHA2Impl;
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	NONSHARABLE_CLASS(CSHA2Impl) : public CBase, public MSoftwareHash
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		{
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	public:
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		//NewL & NewLC	
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		static CSHA2Impl* NewL(TInt32 aAlgorithmId);
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		static CSHA2Impl* NewLC(TInt32 aAlgorithmId);
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		//From MPlugin
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		void Reset();
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		void Close();		
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		void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);		
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		static CExtendedCharacteristics* CreateExtendedCharacteristicsL();
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		const CExtendedCharacteristics* GetExtendedCharacteristicsL();
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		TAny* GetExtension(TUid aExtensionId);
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		//From MHash
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		TPtrC8 Hash(const TDesC8& aMessage);
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		void Update(const TDesC8& aMessage);
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		TPtrC8 Final(const TDesC8& aMessage);
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		MHash* ReplicateL();		
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		MHash* CopyL();
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		void SetKeyL(const CKey& aKey);
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		void SetOperationModeL(TUid aOperationMode);		
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		//From MSoftwareHash
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		void RestoreState();
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		void StoreState();
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	private:
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		//Constructors
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		void ConstructL(TInt32 aAlgorithmId);
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		void ConstructL(const CSHA2Impl& aSHA512Impl);
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		//Destructor
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		~CSHA2Impl();
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		TUid ImplementationUid();
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	private:
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		MSHA2Impl*	iImplementation;
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		const TAny*	iInitValues;
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		TUid		iImplementationUid;
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		TUint		iHashSize;
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		};
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	}
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#endif //__CRYPTOAPI_SOFTWARESHA2IMPL_H_