1 /*

     2 * Copyright (c) 1998-2009 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 the License "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: 

    15 * This file contains the implementation of the ASN1 Null class.

    16 *

    17 */

    18 

    19 

    20 #include "asn1dec.h"

    21 

    22 EXPORT_C TASN1DecNull::TASN1DecNull(void)

    23 	{

    24 	}

    25 

    26 EXPORT_C void TASN1DecNull::DecodeDERL(const TDesC8& aSource,TInt& aPos)

    27 

    28 	{

    29 	TPtrC8 Source=aSource.Mid(aPos);

    30 	TASN1DecGeneric gen(Source);

    31 	gen.InitL();

    32 	aPos+=gen.LengthDER();

    33 	DecodeDERL(gen);

    34 	}

    35 

    36 EXPORT_C void TASN1DecNull::DecodeDERL(const TASN1DecGeneric& aSource)

    37 	{

    38 	TPtrC8 contents(aSource.Encoding());

    39 	if ((contents.Length() != 2)	||

    40 		(contents[1] & 0xff)		||

    41 		(!(contents[0] & 0x05)))

    42 		{

    43 		User::Leave(KErrArgument);

    44 		}

    45 	}