XteaTest.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2023 The Gridarta Developers.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package net.sf.gridarta.utils;
 
import java.util.Arrays;
import org.jetbrains.annotations.NotNull;
import org.junit.Assert;
import org.junit.Test;
 
public class XteaTest {
 
    private static final byte @NotNull [] KEY = { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x9a, (byte) 0xbc, (byte) 0xde, (byte) 0xf0, (byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67, (byte) 0x89, (byte) 0xab, (byte) 0xcd, (byte) 0xef };
 
    private static final byte @NotNull [] PLAINTEXT = { (byte) 0x01, (byte) 0x02, (byte) 0x03, (byte) 0x04, (byte) 0x05, (byte) 0x06, (byte) 0x07, (byte) 0x08 };
 
    private static final byte @NotNull [] IPHERTEXT = { (byte) 0x06, (byte) 0x6a, (byte) 0xb0, (byte) 0x51, (byte) 0xf8, (byte) 0xa7, (byte) 0xa3, (byte) 0xc3 };
 
    @Test
    public void test() {
        final Xtea xtea = new Xtea(KEY);
        final byte[][] tmp = new byte[2][8];
        xtea.encrypt(PLAINTEXT, tmp[0]);
        xtea.decrypt(tmp[0], tmp[1]);
 
        if (!Arrays.equals(tmp[0], IPHERTEXT)) {
            Assert.fail("encrypt failure");
        }
 
        if (!Arrays.equals(tmp[1], PLAINTEXT)) {
            Assert.fail("decrypt failure");
        }
    }
 
}