--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/ikev2lib/inc/ikev2natt.h	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,49 @@
+/*
+* Copyright (c) 2005-2009 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: 
+* Class CIkev2NatT implements NAT Traversal functionality specified in IKEv2.
+*
+*/
+#ifndef _IKEV2NATT_H_
+#define _IKEV2NATT_H_
+
+class TNotifPayloadIkev2;
+class TInetAddr;
+
+class CIkev2NatT : public CBase
+    {
+public:
+    CIkev2NatT(){};  
+    static CIkev2NatT* NewL(const TInetAddr& aSourceAddr, const TInetAddr& aDestinationAddr, TUint16 aPort, 
+                            const TDesC8& aInitiatorSpi, const TDesC8& aResponderSpi);
+    ~CIkev2NatT() {delete iSrcNotify; delete iDstNotify; }
+	
+    static TUint32 CheckPeerNotifysL(const CArrayFixFlat<TNotifPayloadIkev2*>& aNotifys, 
+                                     const TInetAddr& aLocalAddr, const TInetAddr& aRemoteAddr, TUint16 aPort, 
+									 const TDesC8& aInitiatorSpi, const TDesC8& aResponderSpi, TBool& aSupported);
+	TPtrC8 SourceNofify() const { return *iSrcNotify;}
+	TPtrC8 DestinNofify() const { return *iDstNotify;}
+			
+private:
+	void    ConstructL(const TInetAddr& aSourceAddr, const TInetAddr& aDestinationAddr, TUint16 aPort, 
+                       const TDesC8& aInitiatorSpi, const TDesC8& aResponderSpi);
+	
+	HBufC8* GenerateNatDetectionHashL(const TDesC8& aInitiatorSpi, const TDesC8& aResponderSpi,
+                                      TInetAddr aIpAddress, TUint16 aPort) const;
+   
+    HBufC8*      iSrcNotify;
+	HBufC8*      iDstNotify;    
+    };
+
+#endif