--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoplugins/cryptospiplugins/source/softwarecrypto/dhimpl.h	Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,66 @@
+/*
+* Copyright (c) 2006-2009 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: 
+*
+*/
+
+
+#ifndef __DHIMPL_H__
+#define __DHIMPL_H__
+
+/**
+@file 
+@internalComponent
+@released
+*/
+
+#include <e32base.h>
+#include "keyagreementimpl.h"
+#include "dhimpl.h"
+
+/**
+ * Implementation of DH Key Agreement as described in PKCS#3.
+ */
+namespace SoftwareCrypto
+	{
+	using namespace CryptoSpi;
+	
+	NONSHARABLE_CLASS(CDHImpl) : public CKeyAgreementImpl
+		{
+	public:
+		
+		static CDHImpl* NewL(const CKey& aPrivateKey, const CCryptoParams* aParams);
+		static CDHImpl* NewLC(const CKey& aPrivateKey, const CCryptoParams* aParams);
+
+		// Destructor
+		~CDHImpl();
+
+		// from MKeyAgreement
+		CKey* AgreeL(const CKey& aOtherPublicKey, const CCryptoParams* aParams);
+
+		// Override CKeyAgreementImpl virtual functions
+		TUid ImplementationUid() const;
+		
+		static CExtendedCharacteristics* CreateExtendedCharacteristicsL();
+		const CExtendedCharacteristics* GetExtendedCharacteristicsL();
+
+	private:
+		/**
+		Constructor
+		*/
+		CDHImpl();
+		};
+	}
+
+#endif // __DHIMPL_H__