diff -r 000000000000 -r bde4ae8d615e os/security/cryptomgmtlibs/securitycommonutils/inc/nullstream.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/security/cryptomgmtlibs/securitycommonutils/inc/nullstream.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,42 @@
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: 
+* A write stream that throws away all its input, but keeps track of how many
+* bytes have been written to it.	It is used for determining the amount of
+* memory needed to store externalised objects.
+*
+*/
+
+
+/**
+ @file
+ @internalTechnology
+ @released
+*/
+#ifndef __NULLSTREAM_H__
+#define __NULLSTREAM_H__
+#include <e32base.h>
+#include <s32strm.h>
+#include <scs/nullbuf.h>
+
+NONSHARABLE_CLASS(RNullWriteStream) : public RWriteStream
+	{
+public:
+	IMPORT_C RNullWriteStream();
+	IMPORT_C TUint BytesWritten();
+private:
+	TNullBuf iSink;
+	};
+
+#endif