--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtp/srtpstack/src/tsrtpstreamoutstateuninit.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,114 @@
+/*
+* Copyright (c) 2005 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:    implementation
+*
+*/
+
+
+
+#include "tsrtpstreamoutstateuninit.h"
+#include "msrtpstreamoutcontext.h"
+#include "msrtpcryptohandlercontext.h"
+#include "msrtpcryptohandlercontextrtp.h"
+#include "msrtpcryptohandlercontextrtcp.h"
+#include "srtputils.h"
+
+// ----------------------------------------------------------------------------
+// TSRTPStreamOutStateUninit::TSRTPStreamOutStateUninit
+// ----------------------------------------------------------------------------
+//
+TSRTPStreamOutStateUninit::TSRTPStreamOutStateUninit(
+    MSRTPStreamOutContext& aStreamContext,
+    MSRTPCryptoHandlerContextRTP& aCryptoHandlerRTPContext,
+    MSRTPCryptoHandlerContextRTCP& aCryptoHandlerRTCPContext)
+    : TSRTPStreamOutStateBase(aStreamContext,
+                            aCryptoHandlerRTPContext, 
+                            aCryptoHandlerRTCPContext)
+    {
+    }
+
+// ----------------------------------------------------------------------------
+// TSRTPStreamOutStateUninit::DoProtectRtpL
+// ----------------------------------------------------------------------------
+//		
+HBufC8* TSRTPStreamOutStateUninit::DoProtectRtpL(const TDesC8& aPacket)
+    {
+    SRTP_DEBUG_DETAIL( "TSRTPStreamOutStateUninit::DoProtectRtpL entry" );
+    SRTP_DEBUG_TINT_VALUE( "PacketLength is", aPacket.Length());
+                  
+    // first initialize current RTP packet..
+    iCryptoHandlerRTPContext.InitializePlainPacketL(aPacket);    
+       
+    // Step 2 (in RFC 3711, section 3.3):
+    // count the packet index i
+     iCryptoHandlerRTPContext.CountSenderPacketIndexL();
+    
+     SRTP_DEBUG_DETAIL( "StreamOutStateUninit, Protect, DeriveSessionKeysL" );
+    
+     // derive session keys..
+     iCryptoHandlerRTPContext.DeriveSessionKeysL();
+     SRTP_DEBUG_DETAIL( "StreamOutStateUninit, Protect, Encrypt" );
+     // encrypt..
+     HBufC8* protectedPacket = iCryptoHandlerRTPContext.EncryptL();
+     
+     // finally, conditional update of roll-over counter..
+     iCryptoHandlerRTPContext.UpdateROC();
+     
+         
+    // first RTP packet successfully encrypted..
+    // session keys derived etc..
+    // we can go to normal state
+    SRTP_DEBUG_DETAIL( "ESRTPStreamOutNormal" );
+    
+    iStreamContext.ChangeRTPState(MSRTPStreamOutContext::ESRTPStreamOutNormal);
+    
+    
+    SRTP_DEBUG_TINT_VALUE("length of protectPacket", protectedPacket->Length() );
+    SRTP_DEBUG_DETAIL( "TSRTPStreamOutStateUninit::DoProtectRtpL exit" );
+    
+    // return encrypted RTP packet
+    return protectedPacket;    
+    }
+
+// ----------------------------------------------------------------------------
+// TSRTPStreamOutStateUninit::DoProtectRtcpL
+// ----------------------------------------------------------------------------
+//		
+HBufC8* TSRTPStreamOutStateUninit::DoProtectRtcpL(const TDesC8& aPacket)
+    {
+     // first initialize current RTP packet..
+    iCryptoHandlerRTCPContext.InitializePlainPacketL(aPacket);    
+       
+    // Step 2 (in RFC 3711, section 3.4):
+    //Srtcp packet index must be set to zero before the first srtcp packet is sent
+    iCryptoHandlerRTCPContext.InitialPacketIndex();
+	
+     // derive session keys..
+     iCryptoHandlerRTCPContext.DeriveSessionKeysL();
+               
+     // encrypt..
+     HBufC8* protectedPacket = iCryptoHandlerRTCPContext.EncryptL();
+     
+        
+    // first RTP packet successfully encrypted..
+    // session keys derived etc..
+    // we can go to normal state
+    iStreamContext.ChangeRTCPState(MSRTPStreamOutContext::ESRTPStreamOutNormal);
+    
+    SRTP_DEBUG_TINT_VALUE("length of protect RTCP Packet", protectedPacket->Length() );
+     
+    // return encrypted RTP packet
+    return protectedPacket;    
+    }
+