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.iso.ISODate;
022import org.jpos.q2.CLIContext;
023import org.jpos.q2.cli.ssm.SsmActionBase;
024import org.jpos.security.SMException;
025import org.jpos.security.SecureDESKey;
026import org.jpos.security.jceadapter.JCESecurityModule;
027
028/**
029 * Calculate CVV
030 */
031public class CVV extends SsmActionBase {
032    /** Default constructor; no instance state to initialise. */
033    public CVV() {}
034    @Override
035    protected boolean checkUsage(CLIContext cli, String[] strings) {
036        if (strings.length < 9) {
037            cli.println("Usage: cvv keyLength CVK-A-underLMK KeyCheck-A CVK-B-underLMK KeyCheck-B PAN EXP ServiceCode");
038            return false;
039        }
040        return true;
041    }
042
043    @Override
044    protected void doCommand(CLIContext cli, JCESecurityModule sm, short keyLength, String[] args) throws SMException {
045        SecureDESKey cvkAUnderLmk = new SecureDESKey (keyLength, "CVK", args[2], args[3]);
046        SecureDESKey cvkBUnderLmk = new SecureDESKey (keyLength, "CVK", args[4], args[5]);
047        String pan = args[6];
048        String exp = args[7];
049        String serviceCode = args[8];
050        sm.calculateCVV(pan, cvkAUnderLmk, cvkBUnderLmk, ISODate.parseISODate(exp + "01000000"), serviceCode);
051    }
052}