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/*
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* Copyright (c) 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 CDUMMYECCIMPL_H
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#define CDUMMYECCIMPL_H
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#include <e32base.h>
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#include <e32cmn.h>
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#include <cryptospi/cryptospidef.h>
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#include "keys.h"
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#include "asymmetriccipherplugin.h"
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namespace DummyEccHwCrypto
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{
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using namespace CryptoSpi;
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/**
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* Implements the MAsymmetricCipher interface.
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*
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* This should be used to create the cipher object to perform
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* encryption / decryption using ECC.
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*/
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NONSHARABLE_CLASS(CDummyECCCipherImpl) : public CBase, public MAsymmetricCipher
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{
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public:
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static CDummyECCCipherImpl* NewL(const CKey& aKey, TUid aCryptoMode, TUid aPaddingMode);
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static CDummyECCCipherImpl* NewLC(const CKey& aKey, TUid aCryptoMode, TUid aPaddingMode);
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// MPlugin Interface
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void Close();
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void Reset();
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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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// End of MPlugin Interface
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// MAsymmetricCipherBase Interface
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void SetKeyL(const CKey& aKey);
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void SetCryptoModeL(TUid aCryptoMode);
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void SetPaddingModeL(TUid aPaddingMode);
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TInt GetMaximumInputLengthL() const;
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TInt GetMaximumOutputLengthL() const;
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// End of MAsymmetricCipherBase Interface
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// MAsymmetricCipher Interface
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void ProcessL(const TDesC8& aInput, TDes8& aOutput);
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TUid ImplementationUid() const;
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// Destructor
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~CDummyECCCipherImpl();
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private:
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CDummyECCCipherImpl(TUid aCryptoMode, TUid aPaddingMode);
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void ConstructL(const CKey& aKey);
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void DecryptL(const TDesC8& aInput, TDes8& aOutput);
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void EncryptL(const TDesC8& aInput, TDes8& aOutput);
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private:
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/* The key extracted from a CKey object. This would just have
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* a handle to the key stored in hardware. Hence the actual key
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* would not be available to the user of this cryptoSPI plugin.
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*/
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CKey* iKey;
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/// encryption or decryption
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TUid iCryptoMode;
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/* The current padding scheme. This is not being used in the
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* reference implementation.
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*/
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TUid iPaddingMode;
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};
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}
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#endif // CDUMMYECCIMPL_H
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