/*

* Copyright (c) 2004 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 CCMSRecipientInfo_H

#define CCMSRecipientInfo_H

//  INCLUDES

#include 	"CCMSSequence.h"

// FORWARD DECLARATIONS

class CCMSX509AlgorithmIdentifier;

// CLASS DECLARATION

/**

*  Base class for RecipientInfo -type modules

*

*  @lib cms.lib

*  @since 2.8

*/

class CCMSRecipientInfo : public CCMSSequence

    {

    public: // Destructor

        /**

        * Destructor.

        */

        virtual ~CCMSRecipientInfo();

    public: // New functions

        /**

         * Returns the encoder wrapped within appropriate tag.

         * Must be implemented in derived classes.

         * @since 2.8

         * @return encoder for a tagged object

         */

        virtual CASN1EncBase* TaggedEncoderLC() const = 0;

        /**

         * Getter for version number.

         * @since 2.8

         * @return version (0, 2, 3 or 4)

         */

        IMPORT_C TInt Version() const;

        /**

         * Getter for keyEncryptionAlgorithm

         * @since 2.8

         * @return Algorithm identifier

         */

        IMPORT_C const CCMSX509AlgorithmIdentifier&

        KeyEncryptionAlgorithm() const;

        /**

         * Setter for keyEncryptionAlgorithm. Makes a copy.

         * @since 2.8

         * @param aKeyEncryptionAlgorithm Algorithm identifier

         */

        IMPORT_C void SetKeyEncryptionAlgorithmL(

            const CCMSX509AlgorithmIdentifier& aKeyEncryptionAlgorithm );

    protected:  // New functions

       /**

        * C++ default constructor.

        */

        CCMSRecipientInfo( TInt aVersion );

        /**

         * Constructs the member variables. Makes a copy of

         * aKeyEncryptionAlgorithm.

         */

        void BaseConstructL(

            const CCMSX509AlgorithmIdentifier& aKeyEncryptionAlgorithm );

        /**

         * Adds version encoding to root sequence

         * @param aRoot sequence where version encoding is added

         */

        void AddVersionL( CASN1EncSequence* aRoot ) const;

        /**

         * Adds keyEncryptionAlgorithm encoding to root sequence

         * @param aRoot sequence where keyEncryptionAlgorithm encoding

         * is added

         */

        void AddKeyEncryptionAlgorithmL( CASN1EncSequence* aRoot ) const;

    protected: // Data

        // syntax version number.

        TInt iVersion;

        // KeyEncryptionAlgorithmIdentifier, owned

        CCMSX509AlgorithmIdentifier* iKeyEncryptionAlgorithm;

    };

#endif      // CCMSRecipientInfo_H

// End of File