001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.q2.cli.ssm.actions;
020
021import org.jpos.q2.CLIContext;
022import org.jpos.q2.cli.ssm.SsmActionBase;
023import org.jpos.security.SMException;
024import org.jpos.security.SecureDESKey;
025import org.jpos.security.jceadapter.JCESecurityModule;
026
027/**
028 * Generate check value for key.
029 *
030 * @author Alwyn Schoeman - alwyn.schoeman@gmail.com
031 */
032public class CK extends SsmActionBase {
033
034    @Override
035    protected boolean checkUsage(CLIContext cli, String[] strings) {
036        if (strings.length < 4) {
037            cli.println("Usage: CK KeyLength KeyType KeyUnderLMK");
038            return false;
039        }
040        return true;
041    }
042
043    @Override
044    protected void doCommand(
045            CLIContext cli,
046            JCESecurityModule sm,
047            short keyLength,
048            String[] strings) throws SMException {
049        sm.generateKeyCheckValue(
050                new SecureDESKey(keyLength, strings[2].toUpperCase(), strings[3], ""));
051    }
052
053}