diff -r 000000000000 -r 307788aac0a8 ipappprotocols_plat/srtp_api/inc/msrtprekeyingobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipappprotocols_plat/srtp_api/inc/msrtprekeyingobserver.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,55 @@
+/*
+* 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:    Provides a callback for re-keying events
+*
+*/
+
+
+
+
+#ifndef __MSRTP_REKEYING_OBS_H__
+#define __MSRTP_REKEYING_OBS_H__
+
+#include "srtpmasterkey.h"
+
+class CSRTPStream;
+class CSRTPSession;
+
+/**
+* Provides a callback clients.
+*/
+class MSRTPReKeyingObserver
+    {
+    public:
+       /**
+        * This function is called by SRTP Stream initiated with 
+        * MSRTPReKeyingObserver when a master key is stale and needs 
+        * to be refreshed.  
+        * Re-Key will be triggered when SRTP index is (2^48)-1 and
+        * SRTCP index is (2^31)-1
+        * @param aStream Stream which master key has to be refreshed
+        */
+        virtual void SRTPMasterKeyStaleEvent(const CSRTPStream& aStream)=0;
+        
+       /**
+        * This function is called by SRTPSRTP Stream initiated with 
+        * CSRTPSession  when a master key is stale and
+        * needs to be refreshed. 
+        * * @param aSession Session which master key has to be refreshed
+        */
+        virtual void SRTPMasterKeyStaleEvent(const CSRTPSession& aSession)=0;
+        
+    };
+
+#endif // __MSRTP_REKEYING_OBS_H__