1 /*

     2 * Copyright (c) 2005 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:    "Late binding" state for incoming SRTP stream. 

    15 *                 In this state, the stream reads SSRC value from packet

    16 *                 and it becomes "official" SSRC value for this stream.

    17 *

    18 */

    19 

    20 

    21 

    22 

    23 #ifndef TSRTPSTREAMINSTATELATEBIND_H

    24 #define TSRTPSTREAMINSTATELATEBIND_H

    25 

    26 // INCLUDES

    27 #include "tsrtpstreaminstatebase.h"

    28 

    29 // FORWARD DECLARATIONS

    30 class MSRTPCryptoHandlerContext;

    31 

    32 // CLASS DECLARATION

    33 class TSRTPStreamInStateLateBind : public TSRTPStreamInStateBase

    34 	{

    35 	public:	// Constructors

    36 

    37 		TSRTPStreamInStateLateBind(MSRTPStreamInContext& aStreamContext,

    38 		    MSRTPCryptoHandlerContextRTP& aCryptoHandlerRTPContext,

    39 		    MSRTPCryptoHandlerContextRTCP& aCryptoHandlerRTCPContext);

    40 

    41 	public: // From TSRTPStreamInStateBase

    42 		

    43         /**

    44         * Unprotect encrypted RTP packet in "late binding" state.

    45         * @param aPacket encrypted packet

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

    47         * @return HBufC8* decrypted packet

    48         */                              

    49         HBufC8* DoUnprotectSrtpL(const TDesC8& aPacket);

    50 

    51         /**

    52         * Unprotect encrypted RTCP packet in "late binding" state.

    53         * @param aPacket encrypted packet

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

    55         * @return HBufC8* decrypted packet

    56         */                              

    57         HBufC8* DoUnprotectSrtcpL(const TDesC8& aPacket);

    58 

    59 	private: // Constructors

    60 

    61 		/// Default constructor. Not implemented.

    62 		TSRTPStreamInStateLateBind();

    63 	};

    64 

    65 #endif // TSRTPStreamInStateLateBind_H