--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/rtp/srtpstack/inc/srtppacketsrtcp.h Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,128 @@
+/*
+* 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: SRTP packet class (SRTCP)
+*
+*/
+
+
+
+
+#ifndef __SRTP_PACKET_SRTCP_H__
+#define __SRTP_PACKET_SRTCP_H__
+
+// INCLUDES
+#include <in_sock.h>
+#include "srtppacket.h"
+#include "srtppacketrtcp.h"
+
+
+// FORWARD DECLARATIONS
+class CSRTPCryptoHandler;
+/**
+* Contains general SRTCP-specific packet routines
+*/
+class CSRTPPacketSRTCP : public CSRTPPacketRTCP
+ {
+ public:
+
+ /**
+ * Constructor.
+ * @param aPacket a SRTCP packet
+ * @param aHandler the cryptohandler for this packet
+ * @leave KErrNone if success, system-wide error code otherwise
+ */
+ static CSRTPPacketSRTCP* NewL(const TDesC8& aPacket,
+ CSRTPCryptoHandler& aHandler);
+
+ /**
+ * Get authentication tag
+ * @return authentication tag
+ */
+ TPtrC8 AuthenticationTag();
+
+ /**
+ * Get master key identifier
+ * @return TPtrC8 master key identifier
+ */
+ TPtrC8 MasterKeyIdentifier();
+
+
+ /**
+ * Allocate size for decrypted packet and copy payload + header
+ * @param aDecryptedPayloadPtr decrypted payload to be copied
+ * @return HBufC8* decrypted packet
+ */
+ HBufC8* CreateDecryptedPacketL(TUint8* aDecryptedPayloadPtr);
+
+ private: //methods
+
+ CSRTPPacketSRTCP (const TDesC8& aPacket,
+ CSRTPCryptoHandler& aHandler);
+ ~CSRTPPacketSRTCP();
+
+ void ConstructL();
+
+ /**
+ * Read Index number and update class member
+ * @return void
+ */
+ void UpdatePacketIndex();
+
+ /**
+ * Update payload length information
+ * @return void
+ */
+ void UpdatePayloadLength();
+
+ /**
+ * Update authentication tag
+ * @return void
+ */
+ void UpdateAuthenticationTag();
+
+ /**
+ * Update master key identifier
+ * @return void
+ */
+ void UpdateMasterKeyIdentifier();
+
+ /**
+ * Count size of the decrypted packet
+ * @return TUint size of the decrypted packet
+ */
+ TUint CountDecryptedPacketSize();
+
+
+ /*
+ * Read Master Key Identifier (MKI) from packet
+ * @return TPtrC8 pointer to MKI
+ */
+ TPtrC8 GetAuthenticationTag();
+
+ /*
+ * Read Master Key Identifier (MKI) from packet
+ * @return TPtrC8 pointer to MKI
+ */
+ TPtrC8 GetMasterKeyIdentifier();
+
+
+ private: //data
+ TPtrC8 iAuthenticationTag; // auth. tag
+ TPtrC8 iMasterKeyIdentifier; // MKI
+
+ };
+
+#endif // __SRTP_PACKET_SRTCP_H__
+
+