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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 __DSAVERIFYIMPL_H__
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#define __DSAVERIFYIMPL_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 "verifierimpl.h"
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#include "common/inlines.h"
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/**
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* Implementation of DSA verification
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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(CDSAVerifierImpl) : public CVerifierImpl
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{
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public:
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/**
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Creates an instance of a DSA verifier plug-in.
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@param aKey The key
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@return A pointer to a CDSAVerifierImpl instance
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*/
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static CDSAVerifierImpl* NewL(const CKey& aKey);
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/**
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Creates an instance of a DSA verifier plug-in.
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@param aKey The key
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@return A pointer to a CDSAVerifierImpl instance
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*/
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static CDSAVerifierImpl* NewLC(const CKey& aKey);
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// Override CVerifierImpl virtual functions
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TUid ImplementationUid() const;
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// End of CVerifierImpl
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// Override MSignatureBase virtual functions
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void SetKeyL(const CKey& aPublicKey);
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virtual TInt GetMaximumInputLengthL() const;
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// End of MSignatureBase
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// Override MSigner virtual functions
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void VerifyL(const TDesC8& aInput, const CCryptoParams& aSignature, TBool& aVerificationResult);
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void InverseSignL(HBufC8*& aOutput, const CCryptoParams& aSignature);
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// End of MSigner
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const CExtendedCharacteristics* GetExtendedCharacteristicsL();
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static CExtendedCharacteristics* CreateExtendedCharacteristicsL();
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/// Destructor
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~CDSAVerifierImpl();
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protected:
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/// Constructor
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CDSAVerifierImpl();
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/// second phase of construction
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virtual void ConstructL(const CKey& aKey);
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private:
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static const TUint KSha1HashLength = 20;
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};
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}
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#endif // __DSAVERIFYIMPL_H__
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