xmlsecurityengine/xmlseccrypto/src/xmlsecc_padding.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:37:34 +0100
branchRCL_3
changeset 33 604ca70b6235
parent 0 e35f40988205
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201014 Kit: 201035
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/*
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* Copyright (c) 2006-2006 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Class with implementation of xmlenc padding.
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*
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*/
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#include "xmlsecc_padding.h"
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// ---------------------------------------------------------------------------
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// Two phase constructor
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// ---------------------------------------------------------------------------
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//   
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CXmlSecPadding* CXmlSecPadding::NewLC(TInt aBlockBytes)
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    {
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    CXmlSecPadding* self = new (ELeave) CXmlSecPadding(aBlockBytes);
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    CleanupStack::PushL(self);
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// Two phase constructor
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// ---------------------------------------------------------------------------
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// 
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CXmlSecPadding* CXmlSecPadding::NewL(TInt aBlockBytes)
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    {
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    CXmlSecPadding* self = CXmlSecPadding::NewLC(aBlockBytes);
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    CleanupStack::Pop(self);
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------------
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// 
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CXmlSecPadding::CXmlSecPadding(TInt aBlockBytes) : CPadding(aBlockBytes)
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    {
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    }
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// ---------------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------------
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// 
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void CXmlSecPadding::DoPadL(const TDesC8& aInput,TDes8& aOutput)
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    {
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    TInt padLength = BlockSize() - aInput.Length();
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    aOutput.Append(aInput);
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    aOutput.AppendFill( (TChar)padLength, padLength );
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    }
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// ---------------------------------------------------------------------------
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// Add pad to buffer
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// ---------------------------------------------------------------------------
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// 
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void CXmlSecPadding::UnPadL(const TDesC8& aInput,TDes8& aOutput)
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    {
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    TInt padLength = (TInt) aInput[ BlockSize()-1 ];
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    aOutput.Copy( aInput.Left( BlockSize() - padLength ) );
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    }
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// ---------------------------------------------------------------------------
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// Remove pad
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// ---------------------------------------------------------------------------
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// 
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TInt CXmlSecPadding::MinPaddingLength(void) const
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    {
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    return KMinPaddingLenght;
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    }