--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoplugins/cryptospiplugins/source/softwarecrypto/macimpl.h Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,115 @@
+/*
+* Copyright (c) 2008-2009 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:
+* mac plugin implementation
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#ifndef __CRYPTOAPI_SOFTWAREMACIMPL_H__
+#define __CRYPTOAPI_SOFTWAREMACIMPL_H__
+
+#include <cryptospi/macplugin.h>
+#include "cryptosymmetriccipherapi.h"
+#include "softwarehashbase.h"
+#include "keys.h"
+#include "cmacimpl.h"
+#include "hmacimpl.h"
+
+
+namespace SoftwareCrypto
+ {
+ using namespace CryptoSpi;
+
+ NONSHARABLE_CLASS(CMacImpl) : public CBase, public MMac
+ {
+ public:
+ /**
+ * MAC implementation instance creation methods
+ */
+ static CMacImpl* NewL(const CKey& aKey,
+ const TUid aImplementationId,
+ const CCryptoParams* aAlgorithmParams);
+
+ /**
+ * Methods from MPlugin: Base class for all the plugins
+ */
+ void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);
+ const CExtendedCharacteristics* GetExtendedCharacteristicsL();
+ TAny* GetExtension(TUid aExtensionId);
+ void Reset();
+ // this deletes the instance of this class. The method is called at the user side
+ // indirectly through the MPlugin pointer instance.
+ void Close();
+
+ /**
+ * From MMac: MAC interface (Software based)
+ */
+ TPtrC8 MacL(const TDesC8& aMessage);
+ void UpdateL(const TDesC8& aMessage);
+ TPtrC8 FinalL(const TDesC8& aMessage);
+ void ReInitialiseAndSetKeyL(const CKey& aKey);
+ MMac* ReplicateL();
+ MMac* CopyL();
+
+ private:
+
+ /**
+ * Enumerators to recognize the type of algorithm used for MAC
+ */
+ enum TMacBase {EHashBased, ECipherBased};
+
+
+ /**
+ * Constructors and Destructors
+ */
+ ~CMacImpl();
+ CMacImpl();
+ CMacImpl(const CMacImpl& aMacImpl);
+
+ /**
+ * Initialize the 'iHmacImpl' and 'iCipherImpl' instances.
+ */
+ void ConstructL(const CKey& aKey, const TUid aImplementationId,const CCryptoParams* aAlgorithmParams);
+
+ /**
+ * This will return the Uid of the specific implementation
+ * used for the algorithm.
+ */
+ TUid ImplementationUid() const;
+
+ private:
+ TUid iImplementationUid;
+ TMacBase iBase;
+ CKey* iKey;
+
+ /**
+ * The hash based MAC implementation. This is software based implementation.
+ */
+ CHMacImpl* iHmacImpl;
+
+ /**
+ * The symmetric cipher based MAC implementation.
+ */
+ CCMacImpl* iCmacImpl;
+ };
+ }
+
+#endif // __CRYPTOAPI_SOFTWAREMACIMPL_H__