--- a/crypto/weakcrypto/source/symmetric/rc2.cpp	Tue Aug 31 17:00:08 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,199 +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 "rc2.h"
-#include "rc2table.h"
-#include "../common/inlines.h"
-#include <cryptostrength.h>
-
-const TInt KRC2BlockBytes = 8;
-
-/* CRC2Encryptor */
-
-void CRC2::SetKey(const TDesC8& aKey, TInt aEffectiveKeyLenBits)
-	{
-	TUint keyLen = (TUint)aKey.Size();
-
-	iKey.Copy(aKey);
-	iEffectiveKeyLenBits = aEffectiveKeyLenBits;
-
-	TUint8 L[KRC2MaxKeySizeBytes];	
-	Mem::Copy((TUint8*)&L[0], (TUint8*)&aKey[0], keyLen);
-
-	TInt maxKeySizeBytes = (TInt)KRC2MaxKeySizeBytes;
-	TInt expandedKeyLen = (TInt)KRC2ExpandedKeyLen;
-	TInt i = keyLen;
-	for (; i < maxKeySizeBytes; i++)
-		{
-		L[i] = RC2_TABLE::PITABLE[(L[i-1] + L[i-keyLen]) & 255];
-		}
-
-	TUint T8 = (aEffectiveKeyLenBits+7) / 8;
-	TUint8 TM = (TUint8)(255 >> ((8-(iEffectiveKeyLenBits%8))%8));
-	L[128-T8] = RC2_TABLE::PITABLE[L[128-T8] & TM];
-
-	for (i=127-T8; i>=0; i--)
-		L[i] = RC2_TABLE::PITABLE[L[i+1] ^ L[i+T8]];
-
-	for (i=0; i < expandedKeyLen; i++)
-		iK[i] = (TUint16)(L[2*i] + (L[2*i+1] << 8));
-	}
-
-void CRC2::Reset()
-	{
-	SetKey(iKey, iEffectiveKeyLenBits);
-	}
-
-TInt CRC2::BlockSize() const
-	{
-	return KRC2BlockBytes;
-	}
-
-TInt CRC2::KeySize() const
-	{
-	return iKey.Size();
-	}
-
-CRC2::CRC2(void)
-	{
-	}
-
-/* CRC2Encryptor */
-
-EXPORT_C CRC2Encryptor* CRC2Encryptor::NewL(const TDesC8& aKey, 
-	TInt aEffectiveKeyLenBits)
-	{
-	CRC2Encryptor* me = CRC2Encryptor::NewLC(aKey, aEffectiveKeyLenBits);
-	CleanupStack::Pop(me);
-	return (me);
-	}
-
-EXPORT_C CRC2Encryptor* CRC2Encryptor::NewLC(const TDesC8& aKey, 
-	TInt aEffectiveKeyLenBits)
-	{
-	CRC2Encryptor* me = new (ELeave) CRC2Encryptor;
-	CleanupStack::PushL(me);	//	Does not leave but function requires it be Push-ed
-	me->SetKey(aKey, aEffectiveKeyLenBits);	
-	// weak enough if either aKey or aEffectiveKeyLenBits is weak
-	TInt minKeySize = Min(aEffectiveKeyLenBits, BytesToBits(aKey.Size()));
-	TCrypto::IsSymmetricWeakEnoughL(minKeySize);
-	return (me);
-	}
-
-#pragma warning (disable : 4244)	//	conversion from 'int' to 'unsigned short', possible loss of data
-void CRC2Encryptor::Transform(TDes8& aBlock)
-	{
-	assert(aBlock.Size() == KRC2BlockBytes);
-	
-	TUint16 R0, R1, R2, R3;
-	GetBlockLittleEndian((TUint8*)&aBlock[0], R0, R1, R2, R3);
-	
-	TInt i = 0;
-	for (; i < 16; i++)
-		{
-		R0 += (R1 & ~R3) + (R2 & R3) + iK[4*i+0];
-		R0 = rotlFixed(R0, 1);
-
-		R1 += (R2 & ~R0) + (R3 & R0) + iK[4*i+1];
-		R1 = rotlFixed(R1, 2);
-
-		R2 += (R3 & ~R1) + (R0 & R1) + iK[4*i+2];
-		R2 = rotlFixed(R2, 3);
-
-		R3 += (R0 & ~R2) + (R1 & R2) + iK[4*i+3];
-		R3 = rotlFixed(R3, 5);
-
-		if (i == 4 || i == 10)
-			{
-			R0 += iK[R3 & 63];
-			R1 += iK[R0 & 63];
-			R2 += iK[R1 & 63];
-			R3 += iK[R2 & 63];
-			}
-		}
-
-	PutBlockLittleEndian((TUint8*)&aBlock[0], R0, R1, R2, R3);	
-	}
-#pragma warning (default : 4244)	//	conversion from 'int' to 'unsigned short', possible loss of data
-
-CRC2Encryptor::CRC2Encryptor(void)
-	{
-	}
-
-/* CRC2Decryptor */
-
-EXPORT_C CRC2Decryptor* CRC2Decryptor::NewL(const TDesC8& aKey, 
-	TInt aEffectiveKeyLenBits)
-	{
-	CRC2Decryptor* me = CRC2Decryptor::NewLC(aKey, aEffectiveKeyLenBits);
-	CleanupStack::Pop(me);
-	return (me);
-	}
-
-EXPORT_C CRC2Decryptor* CRC2Decryptor::NewLC(const TDesC8& aKey, 
-	TInt aEffectiveKeyLenBits)
-	{
-	CRC2Decryptor* me = new (ELeave) CRC2Decryptor;
-	CleanupStack::PushL(me);	//	Does not leave but function requires it be Push-ed
-	me->SetKey(aKey, aEffectiveKeyLenBits);
-	// weak enough if either aKey or aEffectiveKeyLenBits is weak
-	TInt minKeySize = Min(aEffectiveKeyLenBits, BytesToBits(aKey.Size()));
-	TCrypto::IsSymmetricWeakEnoughL(minKeySize);
-	return (me);
-	}
-
-#pragma warning (disable : 4244)	//	conversion from 'int' to 'unsigned short', possible loss of data
-void CRC2Decryptor::Transform(TDes8& aBlock)
-	{
-	assert(aBlock.Size() == KRC2BlockBytes);
-
-	TUint16 R0, R1, R2, R3;
-	GetBlockLittleEndian((TUint8*)&aBlock[0], R0, R1, R2, R3);
-
-	TInt i = 15;
-	for (; i >= 0; i--)
-		{
-		if (i == 4 || i == 10)
-			{
-			R3 -= iK[R2 & 63];
-			R2 -= iK[R1 & 63];
-			R1 -= iK[R0 & 63];
-			R0 -= iK[R3 & 63];
-			}
-
-		R3 = rotrFixed(R3, 5);
-		R3 -= (R0 & ~R2) + (R1 & R2) + iK[4*i+3];
-
-		R2 = rotrFixed(R2, 3);
-		R2 -= (R3 & ~R1) + (R0 & R1) + iK[4*i+2];
-
-		R1 = rotrFixed(R1, 2);
-		R1 -= (R2 & ~R0) + (R3 & R0) + iK[4*i+1];
-
-		R0 = rotrFixed(R0, 1);
-		R0 -= (R1 & ~R3) + (R2 & R3) + iK[4*i+0];
-		}
-
-	PutBlockLittleEndian((TUint8*)&aBlock[0], R0, R1, R2, R3);
-	}
-
-#pragma warning (default : 4244)	//	conversion from 'int' to 'unsigned short', possible loss of data
-
-CRC2Decryptor::CRC2Decryptor(void)
-	{
-	}