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.emv.cryptogram;
020
021import org.jpos.emv.IssuerApplicationData;
022import org.jpos.tlv.TLVList;
023
024/**
025 * M/CHIP Data builder
026 *
027 * @author Rainer Reyes
028 */
029public class CVNMCDataBuilder implements CryptogramDataBuilder {
030    // counter is used only in M/CHIP advance
031    private final boolean includeCounters;
032
033    /**
034     * Creates a CVNMCDataBuilder.
035     * @param includeCounters {@code true} to include counters (M/CHIP Advance mode)
036     */
037    public CVNMCDataBuilder(boolean includeCounters) {
038        this.includeCounters = includeCounters;
039    }
040
041
042    @Override
043    public String buildARQCRequest(TLVList data, IssuerApplicationData iad) {
044
045        StringBuilder sb = new StringBuilder();
046        CryptogramDataBuilder.minimumSetOfDataElement(data).stream().forEach(sb::append);
047        sb.append(iad.getCardVerificationResults());
048
049        if (includeCounters) {
050            sb.append(iad.getCounters());
051        }
052        return sb.toString();
053    }
054
055    @Override
056    public String getDefaultARPCRequest(boolean approved) {
057        return approved ? "0012" : "9900";
058    }
059
060    @Override
061    public PaddingMethod getPaddingMethod() {
062        return PaddingMethod.ISO9797Method2;
063    }
064}