/*

* 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 __PADDINGSHIM_H__

#define __PADDINGSHIM_H__

/**

@file

@internalComponent

@released

*/

#include <padding.h>

/**

Shim class for CPaddingNone. This should only be created by CPaddingNone.

*/

NONSHARABLE_CLASS(CPaddingNoneShim) : public CPaddingNone

	{

public:

	static CPaddingNoneShim* NewL(TInt aBlockBytes);

	static CPaddingNoneShim* NewLC(TInt aBlockBytes);

protected:

	// From CBase

	/**

	Used by the CBufferedTransformShim class to determine the type of 

	the padding mode selected. The SPI plug-in is then configured to use

	the selected padding mdoe.

	@param aExtensionId The requested interface

	@param a0 Not used. This function does NOT return a real interface.

	@param a1 Not used.

	@return KErrNone if aExtensionId is CryptoSpi::KPaddingModeNoneUid; 

	otherwise, KErrNotFound is returned.

	*/

	TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);		

private:

	CPaddingNoneShim(TInt aBlockBytes);

	};

/**

Shim class for CPaddingPKCS1Signature. This should only be created by 

CPaddingPKCS1Signature.

*/

NONSHARABLE_CLASS(CPaddingPKCS1SignatureShim) : public CPaddingPKCS1Signature

	{

public:

	static CPaddingPKCS1SignatureShim* NewL(TInt aBlockBytes);

	static CPaddingPKCS1SignatureShim* NewLC(TInt aBlockBytes);

protected:

	// From CBase

	/**

	Used by the CBufferedTransformShim class to determine the type of 

	the padding mode selected. The SPI plug-in is then configured to use

	the selected padding mdoe.

	@param aExtensionId The requested interface

	@param a0 Not used. This function does NOT return a real interface.

	@param a1 Not used.

	@return KErrNone if aExtensionId is CryptoSpi::KPaddingModeNoneUid; 

	otherwise, KErrNotFound is returned.

	*/

	TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);		

private:

	CPaddingPKCS1SignatureShim(TInt aBlockBytes);

	};

/**

Shim class for CPaddingPKCS1Encryption. This should only be created by 

CPaddingPKCS1Encryption.

*/

NONSHARABLE_CLASS(CPaddingPKCS1EncryptionShim) : public CPaddingPKCS1Encryption

	{

public:

	static CPaddingPKCS1EncryptionShim* NewL(TInt aBlockBytes);

	static CPaddingPKCS1EncryptionShim* NewLC(TInt aBlockBytes);

protected:

	// From CBase

	/**

	Used by the CBufferedTransformShim class to determine the type of 

	the padding mode selected. The SPI plug-in is then configured to use

	the selected padding mdoe.

	@param aExtensionId The requested interface

	@param a0 Not used. This function does NOT return a real interface.

	@param a1 Not used.

	@return KErrNone if aExtensionId is CryptoSpi::KPaddingModeNoneUid; 

	otherwise, KErrNotFound is returned.

	*/

	TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);		

private:

	CPaddingPKCS1EncryptionShim(TInt aBlockBytes);

	};	

/**

Shim class for CPaddingSSLv3. This should only be created by 

CPaddingSSLv3.

*/

NONSHARABLE_CLASS(CPaddingSSLv3Shim) : public CPaddingSSLv3

	{

public:

	static CPaddingSSLv3Shim* NewL(TInt aBlockBytes);

	static CPaddingSSLv3Shim* NewLC(TInt aBlockBytes);

protected:

	// From CBase

	/**

	Used by the CBufferedTransformShim class to determine the type of 

	the padding mode selected. The SPI plug-in is then configured to use

	the selected padding mdoe.

	@param aExtensionId The requested interface

	@param a0 Not used. This function does NOT return a real interface.

	@param a1 Not used.

	@return KErrNone if aExtensionId is CryptoSpi::KPaddingModeNoneUid; 

	otherwise, KErrNotFound is returned.

	*/

	TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);		

private:

	CPaddingSSLv3Shim(TInt aBlockBytes);

	};	

/**

Shim class for CPaddingPKCS7. This should only be created by 

CPaddingPKCS7.

*/

NONSHARABLE_CLASS(CPaddingPKCS7Shim) : public CPaddingPKCS7

	{

public:

	static CPaddingPKCS7Shim* NewL(TInt aBlockBytes);

	static CPaddingPKCS7Shim* NewLC(TInt aBlockBytes);

protected:

	// From CBase

	/**

	Used by the CBufferedTransformShim class to determine the type of 

	the padding mode selected. The SPI plug-in is then configured to use

	the selected padding mdoe.

	@param aExtensionId The requested interface

	@param a0 Not used. This function does NOT return a real interface.

	@param a1 Not used.

	@return KErrNone if aExtensionId is CryptoSpi::KPaddingModeNoneUid; 

	otherwise, KErrNotFound is returned.

	*/

	TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);		

private:

	CPaddingPKCS7Shim(TInt aBlockBytes);

	};	

#endif // __PADDINGSHIM_H__