1 /*

     2 * Copyright (c) 2004 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 "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:    Provides class for NULL encryption/decryption.

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef __SRTP_CIPHER_NULL_H__

    22 #define __SRTP_CIPHER_NULL_H__

    23 

    24 #include "msrtpcipher.h"

    25 

    26 //FORWARD declarations

    27 class CSrtpAESCTRCrypto;

    28 

    29 class CSRTPCipherNULL: public CBase, public MSRTPCipher

    30     {

    31     public:

    32         /**

    33         * Constructor.

    34         * @leave KErrNone if success, system-wide error code otherwise

    35         */

    36 	    static CSRTPCipherNULL* NewL();

    37 

    38         /**

    39         * Destructor.

    40         */

    41 	    ~CSRTPCipherNULL();

    42 

    43         /**

    44         * Inherited from MSRTPCipher.

    45         * This function is called by SRTP for NULL encryption/decryption

    46         * Just copies the input text to output text.

    47         * @param aKey  Input key.

    48         * @param aIV  Integer Value (IV).

    49         * @param aSrc source data which will be transformed.

    50 	    * Returns HBufC8* decrypted/encrypted source        

    51         */

    52         HBufC8* TransformL(const TDesC8& aKey, 

    53                                 const TDesC8& aIV, 

    54                                 const TDesC8& aSrc );

    55                                 

    56     private:         // Data        

    57                  

    58     private:         // methods

    59         /**

    60         * Default constructor.

    61         */

    62         CSRTPCipherNULL();  

    63     };

    64 

    65 #endif // __SRTP_CIPHER_NULL_H__