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/*
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* Copyright (c) 2007-2009 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 __VERIFIERIMPL_H__
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#define __VERIFIERIMPL_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 <e32cmn.h>
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#include <cryptospi/cryptospidef.h>
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#include <padding.h>
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#include "verifierplugin.h"
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#include "common/inlines.h"
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/**
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* Abstract base class for verifier 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(CVerifierImpl) : public CBase, public MVerifier
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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 MSignatureBase virtual functions
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virtual void SetPaddingModeL(TUid aPaddingMode);
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virtual void SetKeyL(const CKey& aPrivateKey);
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virtual TInt GetMaximumInputLengthL() const;
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virtual TInt GetMaximumOutputLengthL() const;
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// End of MSignatureBase
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// Override MVerifier virtual functions
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virtual void VerifyL(const TDesC8& aInput, const CCryptoParams& aSignature, TBool& aVerificationResult) = 0;
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virtual void InverseSignL(HBufC8*& aOutput, const CCryptoParams& aSignature) = 0;
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// End of MVerifier
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/// Destructor
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~CVerifierImpl();
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protected:
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/// Constructor
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CVerifierImpl();
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virtual void ConstructL(const CKey& aKey);
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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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/**
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Store the key to use for verifying.
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The key length is also checked to meet export restrictions and
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to ensure that it is appropriate for the cipher.
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@param aKey The key
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*/
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virtual void DoSetKeyL(const CKey& aKey);
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protected:
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/// the key
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CKey* iKey;
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};
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}
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#endif // __VERIFIERIMPL_H__
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