--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcrypto/source/asymmetric/dh.cpp	Fri Jun 11 15:32:35 2010 +0300
@@ -0,0 +1,52 @@
+/*
+* Copyright (c) 2003-2009 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: 
+*
+*/
+
+
+#include <asymmetric.h>
+#include <asymmetrickeys.h>
+#include <bigint.h>
+
+EXPORT_C CDH* CDH::NewL(const CDHPrivateKey& aPrivateKey)
+	{
+	CDH* self = new(ELeave) CDH(aPrivateKey);
+	return self;
+	}
+
+EXPORT_C CDH* CDH::NewLC(const CDHPrivateKey& aPrivateKey)
+	{
+	CDH* self = NewL(aPrivateKey);
+	CleanupStack::PushL(self);
+	return self;
+	}
+
+EXPORT_C HBufC8* CDH::AgreeL(const CDHPublicKey& aPublicKey) const
+	{
+	//Calculate X^x mod N
+	RInteger result = TInteger::ModularExponentiateL(aPublicKey.X(), 
+		iPrivateKey.x(), aPublicKey.N());
+	CleanupStack::PushL(result);
+	HBufC8* key = result.BufferLC();
+	CleanupStack::Pop(key);
+	CleanupStack::PopAndDestroy(&result);
+	return key;
+	}
+
+EXPORT_C CDH::CDH(const CDHPrivateKey& aPrivateKey) : iPrivateKey(aPrivateKey)
+	{
+	}
+
+