/**************************************************************************** * Copyright (C) 2012 ecsec GmbH. * All rights reserved. * Contact: ecsec GmbH (info@ecsec.de) * * This file is part of the Open eCard App. * * GNU General Public License Usage * This file may be used under the terms of the GNU General Public * License version 3.0 as published by the Free Software Foundation * and appearing in the file LICENSE.GPL included in the packaging of * this file. Please review the following information to ensure the * GNU General Public License version 3.0 requirements will be met: * http://www.gnu.org/copyleft/gpl.html. * * Other Usage * Alternatively, this file may be used in accordance with the terms * and conditions contained in a signed written agreement between * you and ecsec GmbH. * ***************************************************************************/ package org.openecard.common.tlv.iso7816; import org.openecard.common.tlv.Parser; import org.openecard.common.tlv.TLV; import org.openecard.common.tlv.TLVException; import org.openecard.common.tlv.Tag; import org.openecard.common.tlv.TagClass; /** * * @author Tobias Wich <tobias.wich@ecsec.de> */ public class PrivateRSAKeyAttribute extends TLVType { private Path value; private byte[] modulusLength; // KeyInfo sequence private TLV parameters; // NULL, so not interesting private TLVBitString operations; public PrivateRSAKeyAttribute(TLV tlv) throws TLVException { super(tlv); Parser p = new Parser(tlv.getChild()); if (p.match(Tag.SEQUENCE_TAG)) { value = new Path(p.next(0)); } else { throw new TLVException("No value element in structure."); } if (p.match(Tag.INTEGER_TAG)) { modulusLength = p.next(0).getValue(); } else { throw new TLVException("No modulusLength element in structure."); } // only match sequence not Reference (historical) if (p.match(Tag.SEQUENCE_TAG)) { Parser p1 = new Parser(p.next(0).getChild()); if (p1.match(Tag.NULL_TAG)) { parameters = p1.next(0); } else { throw new TLVException("No parameters element in structure."); } if (p1.match(new Tag(TagClass.UNIVERSAL, true, 3))) { operations = new TLVBitString(p1.next(0), new Tag(TagClass.UNIVERSAL, true, 3).getTagNumWithClass()); } } } }