--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/source/symmetric/arc4shim.cpp	Fri Nov 13 10:07:38 2009 +0530
@@ -0,0 +1,113 @@
+/*
+* 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: 
+*
+*/
+
+
+
+#include "arc4shim.h"
+
+#include "cryptosymmetriccipherapi.h"
+#include <cryptospi/cryptospidef.h>
+#include <cryptospi/plugincharacteristics.h>
+#include <cryptostrength.h>
+#include "../common/inlines.h"
+#include "keys.h"
+
+using namespace CryptoSpi;
+
+CArc4Shim* CArc4Shim::NewL(const TDesC8& aKey, TUint aDiscardBytes)
+	{
+	CArc4Shim* self = NewLC(aKey, aDiscardBytes);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CArc4Shim* CArc4Shim::NewLC(const TDesC8& aKey, TUint aDiscardBytes)
+	{
+	CArc4Shim* self = new (ELeave) CArc4Shim();
+	CleanupStack::PushL(self);
+	self->ConstructL(aKey, aDiscardBytes);
+	TCrypto::IsSymmetricWeakEnoughL(BytesToBits(aKey.Size()));
+	return self;
+	}
+
+void CArc4Shim::ConstructL(const TDesC8& aKey, TUint aDiscardBytes)
+	{
+	TKeyProperty keyProperty = {KArc4Uid, KNullUid, KSymmetricKey, KNonEmbeddedKeyUid};
+	CCryptoParams* keyParam =CCryptoParams::NewLC();
+	keyParam->AddL(aKey, KSymmetricKeyParameterUid);
+	iKey=CKey::NewL(keyProperty, *keyParam);
+	CleanupStack::PopAndDestroy(keyParam);
+	
+	iAlgorithmParams = CCryptoParams::NewL();
+	iAlgorithmParams->AddL(aDiscardBytes, KARC4DiscardBytes);
+
+	CSymmetricCipherFactory::CreateSymmetricCipherL(
+												iSymmetricCipherImpl,
+												KArc4Uid,
+												*iKey,
+												KCryptoModeNoneUid,
+												KOperationModeNoneUid,
+												KPaddingModeNoneUid,
+												iAlgorithmParams);
+	}
+
+CArc4Shim::~CArc4Shim()
+	{
+	delete iSymmetricCipherImpl;
+	delete iKey;	
+	delete iAlgorithmParams;
+	}
+
+void CArc4Shim::Reset()
+	{
+	iSymmetricCipherImpl->Reset();
+	}
+
+TInt CArc4Shim::BlockSize() const
+	{
+	return iSymmetricCipherImpl->BlockSize() >> 3; // Convert to bits
+	}
+
+TInt CArc4Shim::KeySize() const
+	{
+	return iSymmetricCipherImpl->KeySize();
+	}
+
+void CArc4Shim::Process(const TDesC8& aInput, TDes8& aOutput)
+	{
+	TRAP_IGNORE(iSymmetricCipherImpl->ProcessL(aInput, aOutput);)
+	}
+
+void CArc4Shim::ProcessFinalL(const TDesC8& aInput, TDes8& aOutput)
+	{
+	iSymmetricCipherImpl->ProcessFinalL(aInput, aOutput);
+	}
+
+TInt CArc4Shim::MaxOutputLength(TInt aInputLength) const
+	{
+	return iSymmetricCipherImpl->MaxOutputLength(aInputLength);
+	}
+
+TInt CArc4Shim::MaxFinalOutputLength(TInt aInputLength) const
+	{
+	return iSymmetricCipherImpl->MaxFinalOutputLength(aInputLength);
+	}
+
+CArc4Shim::CArc4Shim()
+	{		
+	}
+