--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/syncmlfw/ds/settings/src/NSmlDSCrypt.cpp	Thu Dec 17 09:07:52 2009 +0200
@@ -0,0 +1,87 @@
+/*
+* 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:  DS-settings 
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "nsmldssettings.h"
+
+
+//=============================================
+//
+//		CNSmlDSCrypt
+//
+//=============================================
+
+//=============================================
+//		CNSmlDSCrypt::CNSmlDSCrypt()
+//		Constructor.
+//=============================================
+EXPORT_C CNSmlDSCrypt::CNSmlDSCrypt()
+	{
+	}
+
+//=============================================
+//		CNSmlDSCrypt::~CNSmlDSCrypt()
+//		Destructor.
+//=============================================
+EXPORT_C CNSmlDSCrypt::~CNSmlDSCrypt()
+	{
+	delete iOutput;
+	}
+
+//=============================================
+//		CNSmlDSCrypt::EncryptedL()
+//		Destructor.
+//=============================================
+EXPORT_C TDesC& CNSmlDSCrypt::EncryptedL( const TDesC& aInput )
+	{
+	delete iOutput;
+	iOutput = 0;
+
+	iOutput = aInput.AllocL();
+
+	TPtr ptrOutput( iOutput->Des() );
+	
+	// Keys to be used in encryption / decryption.
+	TUint16 key1 = 0xa576;
+	TUint16 key2 = 0x02f9;
+
+	for (TInt i = 0; i < iOutput->Length(); i++ )
+		{
+		key1 %= key2;
+		key1 <<= 7;
+		key1 ^= key2;
+		key2 %= key1;
+		key2 <<= 3;
+		key2 ^= key1;
+		ptrOutput[i] ^= key1;
+		}
+
+	return *iOutput;
+	}
+
+//=============================================
+//		CNSmlDSCrypt::DecryptedL()
+//		Destructor.
+//=============================================
+EXPORT_C TDesC& CNSmlDSCrypt::DecryptedL( const TDesC& aInput )
+	{
+	return EncryptedL( aInput );
+	}
+
+//  End of File