--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtp/srtpstack/src/srtpauthentication_null.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,67 @@
+/*
+* 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 class for authentication with NULL algorithm.
+*
+*/
+
+
+
+
+#include "srtpauthentication_null.h" 
+#include "srtpaesctrcrypto.h"
+#include "hash.h"
+#include "srtpdef.h"
+
+    
+// ---------------------------------------------------------------------------
+// CSRTPAuthentication_NULL::NewL
+// ---------------------------------------------------------------------------
+//
+CSRTPAuthentication_NULL* CSRTPAuthentication_NULL::NewL()
+    {
+    CSRTPAuthentication_NULL* self = new( ELeave ) CSRTPAuthentication_NULL();
+    return self;    
+    }
+
+
+// -----------------------------------------------------------------------------
+// SRTPAuthentication_NULL::AuthenticateL
+// -----------------------------------------------------------------------------
+//
+HBufC8* CSRTPAuthentication_NULL::AuthenticateL(TUint /*aBitLength*/,
+                                                    const TDesC8& /*aKey*/, 
+                                                    const TDesC8& /*aM*/,
+                                                    const TDesC8& /*aRoc*/)
+    {
+    return NULL;
+    }
+    
+    
+// ---------------------------------------------------------------------------
+// CSRTPAuthentication_NULL::~CSRTPAuthentication_NULL
+// ---------------------------------------------------------------------------
+//
+CSRTPAuthentication_NULL::~CSRTPAuthentication_NULL()
+    {    
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPAuthentication_NULL::CSRTPAuthentication_NULL
+// ---------------------------------------------------------------------------
+//
+CSRTPAuthentication_NULL::CSRTPAuthentication_NULL()
+    {    
+        
+    }
+