/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:  ?Description

*

*/

#ifndef CCMSX509AlgorithmIdentifier_H

#define CCMSX509AlgorithmIdentifier_H

//  INCLUDES

#include "CCMSSequence.h"

#include <signed.h>

#include <x509cert.h>

// FORWARD DECLARATIONS

// Extension

class MCMSX509AlgorithmIdentifier;

// CLASS DECLARATION

/**

*  X509 algorith identifier extension

*

*  @lib cms.lib

*  @since 2.8

*/

class CCMSX509AlgorithmIdentifier : public CCMSSequence

    {

    public:  // Constructors and destructor

		/**

        * Two-phased constructor.

        * Default Algorith Identifier is RSA

        */

        IMPORT_C static CCMSX509AlgorithmIdentifier* NewL();

        /**

        * Two-phased constructor.

        * @param aAlgorithmId	Used AlgorithmID

        */

        IMPORT_C static CCMSX509AlgorithmIdentifier* NewL(

											const TAlgorithmId& aAlgorithmId );

		/**

        * Two-phased constructor.

        * @param aAlgorithmIdentifier	The algorithm ID object to be used

        */

        IMPORT_C static CCMSX509AlgorithmIdentifier* NewL(

							const CAlgorithmIdentifier& aAlgorithmIdentifier );

	   /**

        * Two-phased constructor.

        * @param aAlgorithmIdentifier	The algorithm ID for algorithm

		* @param aDigestIdentifier	The algorithm ID for digest

        */

        IMPORT_C static CCMSX509AlgorithmIdentifier* NewL(

							const CAlgorithmIdentifier& aAlgorithmIdentifier,

							const CAlgorithmIdentifier& aDigestIdentifier );

        /**

        * Destructor.

        */

        virtual ~CCMSX509AlgorithmIdentifier();

    public: // New functions

        /**

		* Getter for AlgorithmIdentifier

		* @since 2,8

		* @return Algorithm identifier

		*/

		IMPORT_C const CAlgorithmIdentifier& AlgorithmIdentifier() const;

        /**

        * Setter for AlgorithmIdentifier

        * @since 2.8

		* @param aAlgorithmIdentifier	The algorithm ID

        */

		IMPORT_C void SetAlgorithmIdentifierL(

							const CAlgorithmIdentifier& aAlgorithmIdentifier );

		/**

		* Getter for DigestAlgorithmIdentifier

		* @since 2,8

		* @return Digest algorithm identifier or NULL if absent

		*/

		IMPORT_C const CAlgorithmIdentifier* DigestAlgorithm() const;

        /**

        * Setter for DigestAlgorithmIdentifier

        * @since 2.8

		* @param aAlgorithmIdentifier The algorithm ID for digest or NULL if

		*							  removing digest algorithm ID

        */

		IMPORT_C void SetDigestAlgorithmL(

							const CAlgorithmIdentifier* aAlgorithmIdentifier );

    public: // Functions from base classes

	 	/**

        * From MCMSModule

        * @since 2.8

        * @param aRawData raw-data to be parsed in this instance

        */

        void DecodeL( const TDesC8& aRawData );

		/**

		 * From MCMSModule

		 * @since 2.8

		 * @return Returns ASN1 encoder and leaves it in CleanupStack

		 */

        CASN1EncBase* EncoderLC() const;

    protected:  // New functions

	   /**

        * Protected construction to allow derivation

        */

        IMPORT_C void ConstructL( const TAlgorithmId& aAlgorihmId );

	   /**

        * Protected construction to allow derivation

        */

        IMPORT_C void ConstructL( const CAlgorithmIdentifier& aAlgorithmIdentifier );

        /**

        * C++ default constructor.

        */

        IMPORT_C CCMSX509AlgorithmIdentifier();

    private:    // Data

        // Algorithm identifier, owned

        CAlgorithmIdentifier* iAlgorithmIdentifier;

		// Digest algorithm identifier, owned

        CAlgorithmIdentifier* iDigestAlgorithmIdentifier;

		// Reserved for extensions

		MCMSX509AlgorithmIdentifier* iReserved;

    };

#endif      // CCMSX509AlgorithmIdentifier_H

// End of File