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/*
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* Copyright (c) 2006-2009 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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#ifndef __KEYAGREEMENTIMPL_H__
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#define __KEYAGREEMENTIMPL_H__
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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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#include <e32base.h>
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#include <cryptospi/cryptospidef.h>
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#include "keys.h"
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#include "keyagreementplugin.h"
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/**
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* Abstract base class for key agreement plug-ins.
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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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NONSHARABLE_CLASS(CKeyAgreementImpl) : public CBase, public MKeyAgreement
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{
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public:
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// Override MPlugin virtual functions
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void Close();
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void Reset(); // Always call reset in super-class if you override this
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TAny* GetExtension(TUid aExtensionId);
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void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);
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// End of MPlugin
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// Override MKeyAgreement virtual functions
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void SetKeyL(const CKey& aSelfPrivateKey, const CCryptoParams* aParams);
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// End of MKeyAgreement
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/// Destructor
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~CKeyAgreementImpl();
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protected:
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/**
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Constructor
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*/
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CKeyAgreementImpl();
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/**
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Second phase of construction. Always call ConstructL in the super-class
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if your override this method.
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@param aPrivateKey The private key of one of the parties
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@param aParams The parameters shared between both parties
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*/
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virtual void ConstructL(const CKey& aPrivateKey, const CCryptoParams* aParams);
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/**
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Helper function implemented by concrete cipher sub-class that allows
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GetCharacteristicsL to return the correct characteristics object.
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@return The implemention uid
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*/
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virtual TUid ImplementationUid() const = 0;
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private:
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protected:
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CKey* iPrivateKey;
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CCryptoParams* iSharedParams; // common parameters between our private key and their public key
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};
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}
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#endif // __KEYAGREEMENTIMPL_H__
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