1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/crypto/weakcryptospi/source/symmetric/mstreamcipher.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,57 @@
     1.4 +/*
     1.5 +* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +* streamcipher.cpp
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +#include "streamcipher.h"
    1.24 +#include <cryptopanic.h>
    1.25 +
    1.26 +EXPORT_C void CStreamCipher::ProcessFinalL(const TDesC8& aInput, TDes8& aOutput)
    1.27 +	{
    1.28 +	Process(aInput, aOutput);
    1.29 +	}
    1.30 +
    1.31 +EXPORT_C void CStreamCipher::Process(const TDesC8& aInput, TDes8& aOutput)
    1.32 +	{
    1.33 +	TInt outputIndex = aOutput.Size();
    1.34 +
    1.35 +	// aOutput may already have outputIndex bytes of data in it
    1.36 +	// check there will still be enough space to process the result
    1.37 +	__ASSERT_DEBUG(aOutput.MaxLength() - outputIndex >= MaxOutputLength(aInput.Length()), User::Panic(KCryptoPanic, ECryptoPanicOutputDescriptorOverflow));
    1.38 +
    1.39 +	aOutput.Append(aInput);
    1.40 +
    1.41 +	TPtr8 transformBuf((TUint8*)(aOutput.Ptr()) + outputIndex, aInput.Size(),
    1.42 +		aInput.Size());
    1.43 +	DoProcess(transformBuf);
    1.44 +	}
    1.45 +
    1.46 +EXPORT_C TInt CStreamCipher::BlockSize() const
    1.47 +	{
    1.48 +	return (1);
    1.49 +	}
    1.50 +
    1.51 +EXPORT_C TInt CStreamCipher::MaxOutputLength(TInt aInputLength) const
    1.52 +	{
    1.53 +	return aInputLength;
    1.54 +	}
    1.55 +
    1.56 +EXPORT_C TInt CStreamCipher::MaxFinalOutputLength(TInt aInputLength) const
    1.57 +	{
    1.58 +	return aInputLength;
    1.59 +	}
    1.60 +