/**************************************************************************** * 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.apdu; import org.openecard.common.apdu.common.CardCommandAPDU; /** * GET CHALLENGE command * See ISO/IEC 7816-4 Section 7.5.3 * * @author Moritz Horsch <horsch@cdc.informatik.tu-darmstadt.de> */ public class GetChallenge extends CardCommandAPDU { /** * GET CHALLENGE command instruction byte */ private static final byte GET_CHALLENGE_INS = (byte) 0x84; /** * Creates a new GET CHALLENGE command. * APDU: 0x00 0x84 0x00 0x00 0x08 */ public GetChallenge() { this((byte) 0x08); } /** * Creates a new GET CHALLENGE command. * APDU: 0x00 0x84 0x00 0x00 0xLC * * @param length Expected length of the challenge * */ public GetChallenge(byte length) { super(x00, GET_CHALLENGE_INS, x00, x00); setLE(length); } /** * Creates a new GET CHALLENGE command. * APDU: 0x00 0x84 0x00 0x00 0xLC * * @param length Expected length of the challenge */ public GetChallenge(int length) { super(x00, GET_CHALLENGE_INS, x00, x00); setLE(length); } }