--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtp/srtpstack/src/srtppacket.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,238 @@
+/*
+* 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:    General packet handling routines.
+*
+*/
+
+
+
+
+// INCLUDES
+#include "srtppacket.h"
+#include "srtpcryptohandler.h"
+#include "srtpcryptocontext.h"
+#include "srtputils.h"
+#include "srtpmasterkey.h"
+#include "srtpmastersalt.h"
+
+// -----------------------------------------------------------------------------
+// CSRTPPacket::CSRTPPacket
+// -----------------------------------------------------------------------------
+//
+CSRTPPacket::CSRTPPacket(const TDesC8& aPacket,
+                      CSRTPCryptoHandler& aHandler)
+    :   iPacket(aPacket),
+        iDataP(aPacket.Ptr()),
+        iHandler(aHandler),
+        iPayload(TPtrC8()),
+        iHeaderLength(0), 
+        iPayloadLength(0)
+    {
+    
+    // set the current packet    
+    iPacket.Set(aPacket.Ptr(), aPacket.Length());
+            
+    }
+
+// -----------------------------------------------------------------------------
+// CSRTPPacket::~CSRTPPacket
+// -----------------------------------------------------------------------------
+//
+CSRTPPacket::~CSRTPPacket()
+            {
+            
+            }
+            
+// ---------------------------------------------------------------------------
+// CSRTPPacket::Payload()
+// ---------------------------------------------------------------------------
+//
+TPtrC8 CSRTPPacket::Payload()
+    {
+    return iPayload;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::HeaderLength()
+// ---------------------------------------------------------------------------
+//
+TUint CSRTPPacket::HeaderLength()
+    {
+    return iHeaderLength;
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::PayloadLength()
+// ---------------------------------------------------------------------------
+//
+TUint CSRTPPacket::PayloadLength()
+    {
+    return iPayloadLength;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::HeaderAndPayload()
+// ---------------------------------------------------------------------------
+//
+TPtrC8 CSRTPPacket::HeaderAndPayload()
+    {
+    return iPacket.Mid(0, iHeaderLength + iPayloadLength);    
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::Get_Concatenated_MDataL()
+// ---------------------------------------------------------------------------
+//
+HBufC8* CSRTPPacket::Get_Concatenated_MDataL(TBool rtcp)
+    {                      
+    TInt size = iHeaderLength + iPayloadLength;
+    if (rtcp)
+    	{
+    	//RFC 3711 3.4 SRCP authentication portion including index
+    	size = size + KSRTCPPacketIndexLength4;
+    	}
+    HBufC8* result = HBufC8::NewMaxL(size);
+    TUint8* ptr = const_cast<TUint8*>(result->Des().Ptr());
+    
+    Mem::FillZ( ptr, size);        
+    Mem::Copy( ptr, iDataP, size );                    
+   
+    return result ;      
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::ConstructL()
+// ---------------------------------------------------------------------------
+//
+void CSRTPPacket::ConstructL()
+    {      
+    }
+
+
+// -----------------------------------------------------------------------------
+// void CSRTPPacket::UpdatePayload
+// -----------------------------------------------------------------------------
+//
+void CSRTPPacket::UpdatePayload()
+    {            
+    TPtrC8 payload = iPacket.Mid(iHeaderLength, iPayloadLength);
+    iPayload.Set(payload.Ptr(), iPayloadLength);
+    }
+        
+// -----------------------------------------------------------------------------
+// void CSRTPPacket::CopyHeaderAndPayloadL
+// -----------------------------------------------------------------------------
+//
+HBufC8* CSRTPPacket::CopyHeaderAndPayloadL(TUint aPacketSize,
+                                       TUint8* aPayloadPtr)
+    {    
+    HBufC8* packet = HBufC8::NewMaxL(aPacketSize);
+
+    TUint8* packetPtr = const_cast<TUint8*>(packet->Des().Ptr());        
+    Mem::FillZ( packetPtr, aPacketSize);        
+
+    // First copy the header
+    Mem::Copy( packetPtr, iPacket.Ptr(), iHeaderLength);
+    // then copy the encrypted/decrypted payload
+    packetPtr += iHeaderLength;
+    Mem::Copy( packetPtr, aPayloadPtr, iPayloadLength);
+    
+    return packet;
+    }
+    
+
+
+// VIRTUAL functions
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::CreateDecryptedPacketL()
+// ---------------------------------------------------------------------------
+//
+HBufC8* CSRTPPacket::CreateDecryptedPacketL(TUint8* /*aDecryptedPayloadPtr*/)
+    { 
+    User::Leave(KErrTotalLossOfPrecision);
+    return  NULL;  
+    }
+    
+// ---------------------------------------------------------------------------
+// CSRTPPacket::CreateEncryptedPacketL()
+// ---------------------------------------------------------------------------
+//
+HBufC8* CSRTPPacket::CreateEncryptedPacketL(TUint8* /*aEncryptedPayloadPtr*/)
+    {  
+    User::Leave(KErrTotalLossOfPrecision);
+    return  NULL;    
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::AuthenticationTag()
+// ---------------------------------------------------------------------------
+//
+TPtrC8 CSRTPPacket::AuthenticationTag()
+    {  
+    return  NULL;      
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::SequenceNumber()
+// ---------------------------------------------------------------------------
+//
+TUint16 CSRTPPacket::SequenceNumber()
+    {  
+    return  NULL;      
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::SetPacketIndex()
+// ---------------------------------------------------------------------------
+//
+void CSRTPPacket::SetPacketIndex(TUint64 /*aPacketIndex*/)
+    {  
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::MasterKeyIdentifier()
+// ---------------------------------------------------------------------------
+//
+TPtrC8 CSRTPPacket::MasterKeyIdentifier()
+    {  
+    return  NULL;      
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPPacket::CountSenderPacketIndex()
+// ---------------------------------------------------------------------------
+//
+void CSRTPPacket::CountSenderPacketIndex()
+    { 
+    }
+    
+// ---------------------------------------------------------------------------
+// CSRTPPacket::PacketIndex()
+// ---------------------------------------------------------------------------
+//
+TUint64 CSRTPPacket::PacketIndex()
+    {  
+    return  NULL;      
+    }
+// ---------------------------------------------------------------------------
+// CSRTPPacket::GetSenderROC
+// ---------------------------------------------------------------------------
+//    
+TUint32 CSRTPPacket::GetSenderROC()    
+	{
+	return NULL;
+	}