sl@0: /*
sl@0: * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: /**
sl@0:  @file
sl@0: */
sl@0: 
sl@0: #ifndef __TSIGNATUREINPUT_H__
sl@0: #define __TSIGNATUREINPUT_H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <hash.h>
sl@0: /** An abstract class capable of representing a message to be signed or
sl@0: * verified.
sl@0: * @publishedPartner
sl@0: * @released
sl@0: */
sl@0: class CSignatureInput : public CBase
sl@0:     {
sl@0: public:
sl@0:     virtual void Update(const TDesC8& aInput) = 0;
sl@0:     virtual TPtrC8 Final(void) = 0;
sl@0: protected:
sl@0: 	CSignatureInput(void) {}
sl@0: private:
sl@0:     CSignatureInput(const CSignatureInput&);
sl@0:     CSignatureInput& operator=(const CSignatureInput&);
sl@0:     };
sl@0: 
sl@0: /**
sl@0: * @publishedPartner
sl@0: * @released
sl@0: */
sl@0: class CHashingSignatureInput : public CSignatureInput
sl@0:     {
sl@0: public:
sl@0:     static CHashingSignatureInput* NewL(CMessageDigest::THashId aHashId);
sl@0:     static CHashingSignatureInput* NewLC(CMessageDigest::THashId aHashId);
sl@0:     virtual void Update(const TDesC8& aInput);
sl@0:     virtual TPtrC8 Final(void);
sl@0:     ~CHashingSignatureInput(void);
sl@0: protected:
sl@0:     CHashingSignatureInput(void);
sl@0:     void ConstructL(CMessageDigest::THashId aHashId);
sl@0: private:
sl@0:     CMessageDigest* iHash;
sl@0: private:
sl@0:     CHashingSignatureInput(const CHashingSignatureInput&);
sl@0:     CHashingSignatureInput& operator=(const CHashingSignatureInput&);
sl@0:     };
sl@0: 
sl@0: #endif