1 /*

     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * crypto base api interface

    16 *

    17 */

    18 

    19 

    20 /**

    21  @file

    22  @publishedAll

    23  @released

    24 */

    25 

    26 #ifndef __CRYPTOAPI_BASEAPI_H__

    27 #define __CRYPTOAPI_BASEAPI_H__

    28 

    29 #include <e32base.h>

    30 #include <cryptospi/plugincharacteristics.h>

    31 

    32 namespace CryptoSpi

    33 	{

    34 	class MPlugin;

    35 	class MHash;

    36 	class MAsyncHash;

    37 	class CCryptoParams;

    38 	class CExtendedCharacteristics;

    39 		

    40 	NONSHARABLE_CLASS(CCryptoBase) : public CBase

    41 		{

    42 	public:

    43 		/**

    44 		Retrieves the plugin's common characteristics

    45 		@param aPluginCharacteristics The plugin characteristics value retrieved

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

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

    48 		*/

    49 		IMPORT_C void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics);

    50 		

    51 		/**

    52 		Retrieves the plugin's extended characteristics

    53 		@return The extended plugin characteristics, on the heap.

    54 		This should be deleted by the caller when finished with.

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

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

    57 		*/	

    58 		IMPORT_C const CExtendedCharacteristics* GetExtendedCharacteristicsL();

    59 

    60         /**

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

    62         state is lost.

    63         */

    64         IMPORT_C void Reset();

    65 	

    66 	protected:

    67 		/**

    68 		 * @internalComponent

    69 		 * 

    70 		 * Constructor

    71 		 **/		

    72 		CCryptoBase(MPlugin* aPlugin, TInt aLibHandle);

    73 		/**

    74 		Destructor

    75 		*/

    76 		virtual ~CCryptoBase();

    77 	

    78 	protected:

    79 		/**

    80 		The plugin implementation

    81 		*/

    82 		MPlugin* iPlugin;	

    83 		

    84 		/**

    85 		The current plugin DLL loaded

    86 		*/

    87 		TInt iLibHandle;

    88 		};

    89 	}

    90 

    91 #endif //__CRYPTOAPI_BASEAPI_H__

    92