1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/macimpl.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,115 @@
     1.4 +/*
     1.5 +* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +* mac plugin implementation
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +/**
    1.24 + @file
    1.25 + @internalComponent
    1.26 + @released
    1.27 +*/
    1.28 +
    1.29 +#ifndef __CRYPTOAPI_SOFTWAREMACIMPL_H__
    1.30 +#define __CRYPTOAPI_SOFTWAREMACIMPL_H__
    1.31 +
    1.32 +#include <cryptospi/macplugin.h>
    1.33 +#include "cryptosymmetriccipherapi.h"
    1.34 +#include "softwarehashbase.h"
    1.35 +#include "keys.h"
    1.36 +#include "cmacimpl.h"
    1.37 +#include "hmacimpl.h"
    1.38 +
    1.39 +
    1.40 +namespace SoftwareCrypto
    1.41 +	{
    1.42 +	using namespace CryptoSpi;
    1.43 +    	
    1.44 +	NONSHARABLE_CLASS(CMacImpl) : public CBase, public MMac  
    1.45 +		{		
    1.46 +	public:
    1.47 +		/**
    1.48 +		 * MAC implementation instance creation methods
    1.49 +		 */
    1.50 +		static CMacImpl* NewL(const CKey& aKey,
    1.51 +				              const TUid aImplementationId,
    1.52 +				              const CCryptoParams* aAlgorithmParams);
    1.53 +
    1.54 +		/**
    1.55 +		 * Methods from MPlugin: Base class for all the plugins
    1.56 +		 */
    1.57 +		void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);	
    1.58 +		const CExtendedCharacteristics* GetExtendedCharacteristicsL();
    1.59 +		TAny* GetExtension(TUid aExtensionId);
    1.60 +		void Reset();
    1.61 +		// this deletes the instance of this class. The method is called at the user side
    1.62 +		// indirectly through the MPlugin pointer instance.
    1.63 +		void Close();		
    1.64 +		
    1.65 +		/**
    1.66 +		 *  From MMac: MAC interface (Software based)
    1.67 +		 */
    1.68 +	    TPtrC8 MacL(const TDesC8& aMessage);
    1.69 +        void UpdateL(const TDesC8& aMessage);
    1.70 +        TPtrC8 FinalL(const TDesC8& aMessage);
    1.71 +		void ReInitialiseAndSetKeyL(const CKey& aKey);    
    1.72 +		MMac* ReplicateL();
    1.73 +		MMac* CopyL();
    1.74 +	
    1.75 +	private:
    1.76 +	
    1.77 +		/**
    1.78 +		 *  Enumerators to recognize the type of algorithm used for MAC
    1.79 +		 */
    1.80 +		enum TMacBase {EHashBased, ECipherBased};
    1.81 +
    1.82 +
    1.83 +		/**
    1.84 +		 * Constructors and Destructors
    1.85 +		 */
    1.86 +		~CMacImpl();
    1.87 +    	CMacImpl();
    1.88 +		CMacImpl(const CMacImpl& aMacImpl);
    1.89 +		
    1.90 +		/**
    1.91 +		 * Initialize the 'iHmacImpl' and 'iCipherImpl' instances.
    1.92 +		 */
    1.93 +		void ConstructL(const CKey& aKey, const TUid aImplementationId,const CCryptoParams* aAlgorithmParams);
    1.94 +		
    1.95 +		/**
    1.96 +		 * This will return the Uid of the specific implementation
    1.97 +		 * used for the algorithm.
    1.98 +		 */
    1.99 +		TUid ImplementationUid() const;
   1.100 +	
   1.101 +	private:			
   1.102 +		TUid iImplementationUid;
   1.103 +		TMacBase iBase;
   1.104 +		CKey* iKey;
   1.105 +		
   1.106 +		/**
   1.107 +		 * The hash based MAC implementation. This is software based implementation.
   1.108 +		 */
   1.109 +		CHMacImpl* iHmacImpl;
   1.110 +	
   1.111 +		/**
   1.112 +		 * The symmetric cipher based MAC implementation.
   1.113 +		 */
   1.114 +		CCMacImpl* iCmacImpl;
   1.115 +		};
   1.116 +	}
   1.117 +
   1.118 +#endif // __CRYPTOAPI_SOFTWAREMACIMPL_H__