1 /*

     2 * Copyright (c) 2006-2006 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Class with implementation of xmlenc padding.

    15 *

    16 */

    17 

    18 

    19 #include "xmlsecc_padding.h"

    20 

    21 // ---------------------------------------------------------------------------

    22 // Two phase constructor

    23 // ---------------------------------------------------------------------------

    24 //   

    25 CXmlSecPadding* CXmlSecPadding::NewLC(TInt aBlockBytes)

    26     {

    27     CXmlSecPadding* self = new (ELeave) CXmlSecPadding(aBlockBytes);

    28     CleanupStack::PushL(self);

    29     return self;

    30     }

    31     

    32 // ---------------------------------------------------------------------------

    33 // Two phase constructor

    34 // ---------------------------------------------------------------------------

    35 // 

    36 CXmlSecPadding* CXmlSecPadding::NewL(TInt aBlockBytes)

    37     {

    38     CXmlSecPadding* self = CXmlSecPadding::NewLC(aBlockBytes);

    39     CleanupStack::Pop(self);

    40     return self;

    41     }

    42 

    43 // ---------------------------------------------------------------------------

    44 // Constructor

    45 // ---------------------------------------------------------------------------

    46 // 

    47 CXmlSecPadding::CXmlSecPadding(TInt aBlockBytes) : CPadding(aBlockBytes)

    48     {

    49     }

    50 

    51 // ---------------------------------------------------------------------------

    52 // Constructor

    53 // ---------------------------------------------------------------------------

    54 // 

    55 void CXmlSecPadding::DoPadL(const TDesC8& aInput,TDes8& aOutput)

    56     {

    57     TInt padLength = BlockSize() - aInput.Length();

    58     aOutput.Append(aInput);

    59     aOutput.AppendFill( (TChar)padLength, padLength );

    60     }

    61 

    62 // ---------------------------------------------------------------------------

    63 // Add pad to buffer

    64 // ---------------------------------------------------------------------------

    65 // 

    66 void CXmlSecPadding::UnPadL(const TDesC8& aInput,TDes8& aOutput)

    67     {

    68     TInt padLength = (TInt) aInput[ BlockSize()-1 ];

    69     aOutput.Copy( aInput.Left( BlockSize() - padLength ) );

    70     }

    71 

    72 // ---------------------------------------------------------------------------

    73 // Remove pad

    74 // ---------------------------------------------------------------------------

    75 // 

    76 TInt CXmlSecPadding::MinPaddingLength(void) const

    77     {

    78     return KMinPaddingLenght;

    79     }