| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 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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* mac plugin implementation |
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* |
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*/ |
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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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|
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#ifndef __CRYPTOAPI_SOFTWAREMACIMPL_H__ |
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#define __CRYPTOAPI_SOFTWAREMACIMPL_H__ |
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|
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#include <cryptospi/macplugin.h> |
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#include "cryptosymmetriccipherapi.h" |
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#include "softwarehashbase.h" |
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#include "keys.h" |
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#include "cmacimpl.h" |
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#include "hmacimpl.h" |
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|
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|
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namespace SoftwareCrypto |
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{
|
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using namespace CryptoSpi; |
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|
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NONSHARABLE_CLASS(CMacImpl) : public CBase, public MMac |
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{
|
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public: |
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/** |
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* MAC implementation instance creation methods |
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*/ |
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static CMacImpl* NewL(const CKey& aKey, |
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const TUid aImplementationId, |
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const CCryptoParams* aAlgorithmParams); |
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|
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/** |
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* Methods from MPlugin: Base class for all the plugins |
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*/ |
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void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics); |
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const CExtendedCharacteristics* GetExtendedCharacteristicsL(); |
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TAny* GetExtension(TUid aExtensionId); |
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void Reset(); |
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// this deletes the instance of this class. The method is called at the user side |
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// indirectly through the MPlugin pointer instance. |
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void Close(); |
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|
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/** |
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* From MMac: MAC interface (Software based) |
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*/ |
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TPtrC8 MacL(const TDesC8& aMessage); |
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void UpdateL(const TDesC8& aMessage); |
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TPtrC8 FinalL(const TDesC8& aMessage); |
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void ReInitialiseAndSetKeyL(const CKey& aKey); |
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MMac* ReplicateL(); |
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MMac* CopyL(); |
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|
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private: |
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|
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/** |
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* Enumerators to recognize the type of algorithm used for MAC |
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*/ |
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enum TMacBase {EHashBased, ECipherBased};
|
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|
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|
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/** |
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* Constructors and Destructors |
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*/ |
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~CMacImpl(); |
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CMacImpl(); |
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CMacImpl(const CMacImpl& aMacImpl); |
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|
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/** |
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* Initialize the 'iHmacImpl' and 'iCipherImpl' instances. |
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*/ |
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void ConstructL(const CKey& aKey, const TUid aImplementationId,const CCryptoParams* aAlgorithmParams); |
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|
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/** |
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* This will return the Uid of the specific implementation |
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* used for the algorithm. |
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*/ |
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TUid ImplementationUid() const; |
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|
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private: |
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TUid iImplementationUid; |
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TMacBase iBase; |
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CKey* iKey; |
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|
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/** |
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* The hash based MAC implementation. This is software based implementation. |
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*/ |
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CHMacImpl* iHmacImpl; |
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|
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/** |
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* The symmetric cipher based MAC implementation. |
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*/ |
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CCMacImpl* iCmacImpl; |
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}; |
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} |
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|
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#endif // __CRYPTOAPI_SOFTWAREMACIMPL_H__ |