1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/verifierimpl.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,95 @@
1.4 +/*
1.5 +* Copyright (c) 2007-2009 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 __VERIFIERIMPL_H__
1.23 +#define __VERIFIERIMPL_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 <e32cmn.h>
1.33 +#include <cryptospi/cryptospidef.h>
1.34 +#include <padding.h>
1.35 +#include "verifierplugin.h"
1.36 +
1.37 +#include "common/inlines.h"
1.38 +
1.39 +/**
1.40 + * Abstract base class for verifier plug-ins.
1.41 + */
1.42 +namespace SoftwareCrypto
1.43 + {
1.44 + using namespace CryptoSpi;
1.45 +
1.46 + NONSHARABLE_CLASS(CVerifierImpl) : public CBase, public MVerifier
1.47 + {
1.48 + public:
1.49 + // Override MPlugin virtual functions
1.50 + void Close();
1.51 + void Reset(); // Always call reset in super-class if you override this
1.52 + TAny* GetExtension(TUid aExtensionId);
1.53 + void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);
1.54 + // End of MPlugin
1.55 +
1.56 + // Override MSignatureBase virtual functions
1.57 + virtual void SetPaddingModeL(TUid aPaddingMode);
1.58 + virtual void SetKeyL(const CKey& aPrivateKey);
1.59 + virtual TInt GetMaximumInputLengthL() const;
1.60 + virtual TInt GetMaximumOutputLengthL() const;
1.61 + // End of MSignatureBase
1.62 +
1.63 + // Override MVerifier virtual functions
1.64 + virtual void VerifyL(const TDesC8& aInput, const CCryptoParams& aSignature, TBool& aVerificationResult) = 0;
1.65 + virtual void InverseSignL(HBufC8*& aOutput, const CCryptoParams& aSignature) = 0;
1.66 + // End of MVerifier
1.67 +
1.68 + /// Destructor
1.69 + ~CVerifierImpl();
1.70 +
1.71 + protected:
1.72 + /// Constructor
1.73 + CVerifierImpl();
1.74 +
1.75 + virtual void ConstructL(const CKey& aKey);
1.76 +
1.77 + /**
1.78 + Helper function implemented by concrete cipher sub-class that allows
1.79 + GetCharacteristicsL to return the correct characteristics object.
1.80 + @return The implemention uid
1.81 + */
1.82 + virtual TUid ImplementationUid() const = 0;
1.83 +
1.84 + /**
1.85 + Store the key to use for verifying.
1.86 + The key length is also checked to meet export restrictions and
1.87 + to ensure that it is appropriate for the cipher.
1.88 + @param aKey The key
1.89 + */
1.90 + virtual void DoSetKeyL(const CKey& aKey);
1.91 +
1.92 + protected:
1.93 + /// the key
1.94 + CKey* iKey;
1.95 + };
1.96 + }
1.97 +
1.98 +#endif // __VERIFIERIMPL_H__