/*

 * 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: 

 * crypto base api interface

 *

 */

 /**

  @file

  @publishedAll

  @released

 */

 #ifndef __CRYPTOAPI_BASEAPI_H__

 #define __CRYPTOAPI_BASEAPI_H__

 #include <e32base.h>

 #include <cryptospi/plugincharacteristics.h>

 namespace CryptoSpi

 	{

 	class MPlugin;

 	class MHash;

 	class MAsyncHash;

 	class CCryptoParams;

 	class CExtendedCharacteristics;

 	NONSHARABLE_CLASS(CCryptoBase) : public CBase

 		{

 	public:

 		/**

 		Retrieves the plugin's common characteristics

 		@param aPluginCharacteristics The plugin characteristics value retrieved

 		@leave ...	Any of the crypto error codes defined in 

   					cryptospi_errs.h or any of the system-wide error codes.

 		*/

 		IMPORT_C void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);

 		/**

 		Retrieves the plugin's extended characteristics

 		@return The extended plugin characteristics, on the heap.

 		This should be deleted by the caller when finished with.

 		@leave ...	Any of the crypto error codes defined in 

   					cryptospi_errs.h or any of the system-wide error codes.

 		*/	

 		IMPORT_C const CExtendedCharacteristics* GetExtendedCharacteristicsL();

         /**

         Resets the state of the crypto object to uninitialised. All prior

         state is lost.

         */

         IMPORT_C void Reset();

 	protected:

 		/**

 		 * @internalComponent

 		 * 

 		 * Constructor

 		 **/		

 		CCryptoBase(MPlugin* aPlugin, TInt aLibHandle);

 		/**

 		Destructor

 		*/

 		virtual ~CCryptoBase();

 	protected:

 		/**

 		The plugin implementation

 		*/

 		MPlugin* iPlugin;	

 		/**

 		The current plugin DLL loaded

 		*/

 		TInt iLibHandle;

 		};

 	}

 #endif //__CRYPTOAPI_BASEAPI_H__