/*+
−
* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).+
−
* All rights reserved.+
−
* This component and the accompanying materials are made available+
−
* under the terms of the License "Eclipse Public License v1.0"+
−
* which accompanies this distribution, and is available+
−
* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
−
*+
−
* Initial Contributors:+
−
* Nokia Corporation - initial contribution.+
−
*+
−
* Contributors:+
−
*+
−
* Description: +
−
*+
−
*/+
−
+
−
+
−
#ifndef __BUFFEREDTRANSFORMATIONSHIM_H__+
−
#define __BUFFEREDTRANSFORMATIONSHIM_H__+
−
+
−
#include <bufferedtransformation.h>+
−
+
−
/**+
−
@file+
−
@internalComponent+
−
@released+
−
*/+
−
+
−
namespace CryptoSpi +
−
	{+
−
	class CSymmetricCipher;+
−
	}+
−
+
−
/**+
−
 Shim class that delegates all operations to an Crypto Spi object.+
−
 This object is constructed automatically by CBufferedEncryptorShim and should+
−
 not be used directly.+
−
 */+
−
NONSHARABLE_CLASS(CBufferedEncryptorShim) : public CBufferedEncryptor+
−
{+
−
public:+
−
	/**+
−
	Creates a new CBufferedEncryptorShim.+
−
	N.B. It is the reponsiblity of the CALLER to check that block transform+
−
	object contains an SPI delegate and that the delegate supports the specified+
−
	padding mode.+
−
	*/+
−
	static CBufferedEncryptorShim* NewL(CBlockTransformation* aBT, CPadding* aPadding);+
−
	+
−
	// From CBufferedTransformation+
−
	void Process(const TDesC8& aInput, TDes8& aOutput);+
−
	TInt MaxOutputLength(TInt aInputLength) const;+
−
	void Reset();+
−
	TInt BlockSize() const;+
−
	TInt KeySize() const;	+
−
	void ProcessFinalL(const TDesC8& aInput, TDes8& aOutput);+
−
	TInt MaxFinalOutputLength(TInt aInputLength) const;+
−
private:	+
−
	CBufferedEncryptorShim(CryptoSpi::CSymmetricCipher* aSymmetricCipherImpl);+
−
	void ConstructL(CBlockTransformation* aBT, CPadding* aPadding);+
−
	+
−
	// owned by block transform - iBT+
−
	CryptoSpi::CSymmetricCipher* iSymmetricCipherImpl;+
−
};+
−
+
−
/**+
−
 Shim class that delegates all operations to an Crypto Spi object.+
−
 This object is constructed automatically by CBufferedEncryptorShim and should+
−
 not be used directly.+
−
 */+
−
NONSHARABLE_CLASS(CBufferedDecryptorShim) : public CBufferedDecryptor+
−
{+
−
public:+
−
	/**+
−
	Creates a new CBufferedDecryptorShim.+
−
	N.B. It is the reponsiblity of the CALLER to check that block transform+
−
	object contains an SPI delegate and that the delegate supports the specified+
−
	padding mode.+
−
	*/+
−
	static CBufferedDecryptorShim* NewL(CBlockTransformation* aBT, CPadding* aPadding);+
−
	+
−
	// From CBufferedTransformation	+
−
	void Process(const TDesC8& aInput, TDes8& aOutput);+
−
	TInt MaxOutputLength(TInt aInputLength) const;+
−
	void Reset();+
−
	TInt BlockSize() const;+
−
	TInt KeySize() const;	+
−
	void ProcessFinalL(const TDesC8& aInput, TDes8& aOutput);+
−
	TInt MaxFinalOutputLength(TInt aInputLength) const;+
−
private:	+
−
	CBufferedDecryptorShim(CryptoSpi::CSymmetricCipher* aSymmetricCipherImpl);+
−
	void ConstructL(CBlockTransformation* aBT, CPadding* aPadding);+
−
	+
−
	// owned by block transform - iBT+
−
	CryptoSpi::CSymmetricCipher* iSymmetricCipherImpl;+
−
};+
−
+
−
#endif	//	__BUFFEREDTRANSFORMATIONSHIM_H__+
−