os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/keyagreementimpl.h
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/keyagreementimpl.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,87 @@
1.4 +/*
1.5 +* Copyright (c) 2006-2009 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 +*
1.19 +*/
1.20 +
1.21 +
1.22 +#ifndef __KEYAGREEMENTIMPL_H__
1.23 +#define __KEYAGREEMENTIMPL_H__
1.24 +
1.25 +/**
1.26 +@file
1.27 +@internalComponent
1.28 +@released
1.29 +*/
1.30 +
1.31 +#include <e32base.h>
1.32 +#include <cryptospi/cryptospidef.h>
1.33 +#include "keys.h"
1.34 +#include "keyagreementplugin.h"
1.35 +
1.36 +/**
1.37 + * Abstract base class for key agreement plug-ins.
1.38 + */
1.39 +namespace SoftwareCrypto
1.40 + {
1.41 + using namespace CryptoSpi;
1.42 +
1.43 + NONSHARABLE_CLASS(CKeyAgreementImpl) : public CBase, public MKeyAgreement
1.44 + {
1.45 + public:
1.46 +
1.47 + // Override MPlugin virtual functions
1.48 + void Close();
1.49 + void Reset(); // Always call reset in super-class if you override this
1.50 + TAny* GetExtension(TUid aExtensionId);
1.51 + void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);
1.52 + // End of MPlugin
1.53 +
1.54 + // Override MKeyAgreement virtual functions
1.55 + void SetKeyL(const CKey& aSelfPrivateKey, const CCryptoParams* aParams);
1.56 + // End of MKeyAgreement
1.57 +
1.58 + /// Destructor
1.59 + ~CKeyAgreementImpl();
1.60 +
1.61 + protected:
1.62 + /**
1.63 + Constructor
1.64 + */
1.65 + CKeyAgreementImpl();
1.66 +
1.67 + /**
1.68 + Second phase of construction. Always call ConstructL in the super-class
1.69 + if your override this method.
1.70 + @param aPrivateKey The private key of one of the parties
1.71 + @param aParams The parameters shared between both parties
1.72 + */
1.73 + virtual void ConstructL(const CKey& aPrivateKey, const CCryptoParams* aParams);
1.74 +
1.75 + /**
1.76 + Helper function implemented by concrete cipher sub-class that allows
1.77 + GetCharacteristicsL to return the correct characteristics object.
1.78 + @return The implemention uid
1.79 + */
1.80 + virtual TUid ImplementationUid() const = 0;
1.81 +
1.82 + private:
1.83 +
1.84 + protected:
1.85 + CKey* iPrivateKey;
1.86 + CCryptoParams* iSharedParams; // common parameters between our private key and their public key
1.87 + };
1.88 + }
1.89 +
1.90 +#endif // __KEYAGREEMENTIMPL_H__