--- a/crypto/weakcrypto/source/symmetric/arc4.cpp	Tue Aug 31 17:00:08 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,124 +0,0 @@
-/*
-* Copyright (c) 2002-2009 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 "arc4.h"
-#include "../common/inlines.h"
-#include <e32base.h>
-#include <cryptostrength.h>
-
-#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
-/** The size of the substitution box (i.e. lookup table) in bytes. */
-const TInt KSBoxSize = 256;
-#endif
-
-inline TUint8 CARC4::GenerateByte()
-	{
-	TUint8 a = iState[ix];
-	iy = (TUint8)((iy + a) & 0xff);
-	TUint8 b = iState[iy];
-
-	iState[ix] = b;
-	iState[iy] = a;
-	ix = (TUint8)((ix + 1) & 0xff);
-	return (iState[(a + b) & 0xff]);
-	}
-
-CARC4::CARC4(const TDesC8& aKey, TUint aDiscardBytes)
-	: ix(1), iy(0), iDiscardBytes(aDiscardBytes)
-	{
-	iKey.Copy(aKey);
-	GenerateSBox();
-	}
-
-EXPORT_C CARC4* CARC4::NewL(const TDesC8& aKey, TUint aDiscardBytes)
-	{
-	CARC4* self = NewLC(aKey, aDiscardBytes);
-	CleanupStack::Pop(self);
-	return self;
-	}
-
-EXPORT_C CARC4* CARC4::NewLC(const TDesC8& aKey, TUint aDiscardBytes)
-	{
-	CARC4* self = new(ELeave)CARC4(aKey, aDiscardBytes);
-	CleanupStack::PushL(self);
-	TCrypto::IsSymmetricWeakEnoughL(BytesToBits(aKey.Size()));
-	return self;
-	}
-
-void CARC4::DoProcess(TDes8& aData)
-	{
-	TInt blockLen = aData.Size();
-
-	if (blockLen > 0)
-		{
-		TUint8* blockPtr = (TUint8*)&aData[0];	
-		do
-			{
-			*blockPtr++ ^= GenerateByte();
-			} 
-		while (--blockLen);
-		}
-	}
-
-void CARC4::Reset()
-	{
-	ix = 1;
-	iy = 0;
-	GenerateSBox();
-	}
-
-TInt CARC4::KeySize() const
-	{
-	return (iKey.Size());
-	}
-
-void CARC4::DiscardBytes(TInt aDiscardBytes)
-	{	
-	if (aDiscardBytes > 0)
-		{
-		do
-			{
-			GenerateByte();
-			}
-		while(--aDiscardBytes);
-		}
-	}
-
-void CARC4::GenerateSBox(void)
-	{
-	TUint keyBytes = iKey.Size();
-		
-	TInt i = 0;
-	for (; i < KSBoxSize; i++)
-		iState[i] = (TUint8)i;
-	
-	TUint keyIndex = 0, stateIndex = 0;
-	i = 0;
-	for (; i < KSBoxSize; i++)
-		{
-		TUint a = iState[i];
-		stateIndex += iKey[keyIndex] + a;
-		stateIndex &= 0xff;
-		iState[i] = iState[stateIndex];
-		iState[stateIndex] = (TUint8)a;
-		if (++keyIndex >= (TUint)keyBytes)
-			keyIndex = 0;
-		}
-
-	DiscardBytes(iDiscardBytes);
-	}