1 /*

     2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 /**

    22  @file

    23  @internalComponent

    24  @released

    25 */

    26 

    27 

    28 #ifndef __CRYPTOAPI_SOFTWARESHA2IMPL_H_

    29 #define __CRYPTOAPI_SOFTWARESHA2IMPL_H_

    30 

    31 

    32 #include "softwarehashbase.h"

    33 

    34 namespace SoftwareCrypto

    35 	{

    36 	using namespace CryptoSpi;

    37 	class MSHA2Impl;

    38 	

    39 	NONSHARABLE_CLASS(CSHA2Impl) : public CBase, public MSoftwareHash

    40 		{

    41 	public:

    42 		//NewL & NewLC	

    43 		static CSHA2Impl* NewL(TInt32 aAlgorithmId);

    44 		static CSHA2Impl* NewLC(TInt32 aAlgorithmId);

    45 		

    46 		//From MPlugin

    47 		void Reset();

    48 		void Close();		

    49 		void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);		

    50 		static CExtendedCharacteristics* CreateExtendedCharacteristicsL();

    51 		const CExtendedCharacteristics* GetExtendedCharacteristicsL();

    52 		TAny* GetExtension(TUid aExtensionId);

    53 		

    54 		//From MHash

    55 		TPtrC8 Hash(const TDesC8& aMessage);

    56 		void Update(const TDesC8& aMessage);

    57 		TPtrC8 Final(const TDesC8& aMessage);

    58 		MHash* ReplicateL();		

    59 		MHash* CopyL();

    60 		void SetKeyL(const CKey& aKey);

    61 		void SetOperationModeL(TUid aOperationMode);		

    62 		

    63 		//From MSoftwareHash

    64 		void RestoreState();

    65 		void StoreState();

    66 		

    67 	private:

    68 		//Constructors

    69 		void ConstructL(TInt32 aAlgorithmId);

    70 		void ConstructL(const CSHA2Impl& aSHA512Impl);

    71 		

    72 		//Destructor

    73 		~CSHA2Impl();

    74 		

    75 		TUid ImplementationUid();

    76 

    77 	private:

    78 		MSHA2Impl*	iImplementation;

    79 		const TAny*	iInitValues;

    80 		TUid		iImplementationUid;

    81 		TUint		iHashSize;

    82 		};

    83 	}

    84 

    85 #endif //__CRYPTOAPI_SOFTWARESHA2IMPL_H_