/****************************************************************************
* 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);
}
}