--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayerprotocols/pppnif/SPPP/MD4.H	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,61 @@
+// Copyright (c) 1997-2009 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:
+//
+
+/**
+ @file
+ @brief Header file for the implementation of the MD4 Message-Digest Algorithm - RFC 1320.
+ @internalComponent 
+*/
+
+#ifndef __MD4_H__
+#define __MD4_H__
+
+#include <e32base.h>
+
+// This implementation is fully derived (copied) from the former MD4
+// implementation provided by Symbian PPP in the release 7.0s of
+// Symbian OS.  This is a provisional solution until the Symbian
+// Security subsystem components will provide a MD4 implementation.
+
+/*final*/ class CMd4 : public CBase
+/**
+   Class that implements the MD4 Message-Digest Algorithm - RFC 1320.
+   @internalComponent
+   @note This implementation is fully derived from the former MD4 implementation provided by Symbian PPP in the release 7.0s of Symbian OS.  This is a provisional solution until the Symbian Security components will provide a MD4 implementation.
+*/
+	{
+public:
+	static CMd4* NewL();
+
+//functions moved from the former CDigestBase
+	TInt Input(const TDesC8& aInput);
+	TInt Output(TDes8& aOutput);
+	TInt OutputSize() const;
+
+private:
+	CMd4();
+	void Transform(const TUint8*);
+	void Update(const TUint8*, TInt);
+	void Final(TUint8*);
+	void Encode(TUint8*, const TUint32*, TInt);
+	void Decode(TUint32*, const TUint8*, TInt);
+
+private:
+	TUint32 iState[4];
+	TUint iCount[2];
+	TUint8 iBuffer[64];
+	};
+
+#endif