/*
* jTDS JDBC Driver for Microsoft SQL Server and Sybase
* Copyright (C) 2011 Rainer Schwarze, admaDIC
* e-mail: info@admadic.de
* post : admaDIC / Attn: Rainer Schwarze / An der Roda 7 /
* 07646 Laasdorf / Germany
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package net.sourceforge.jtds.jdbc;
import net.sourceforge.jtds.util.DESEngine;
import junit.framework.TestCase;
/**
* Tests the DESEngine against a known set of inputs and outputs.
*
* @author Rainer Schwarze / admaDIC
*/
public class DESEngineTest extends TestCase {
/**
* Test DES, input data is a multiple of block size (no padding needed).
* @throws Exception
*/
public void testSet1() throws Exception {
byte [] dataInp = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x02, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x03, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x04, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x05, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
};
byte [] dataKey = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08};
byte [] dataExp = {
(byte)0x77, (byte)0xa7, (byte)0xd6, (byte)0xbc, (byte)0xf5, (byte)0x79, (byte)0x62, (byte)0xb9,
(byte)0x77, (byte)0xa7, (byte)0xd6, (byte)0xbc, (byte)0xf5, (byte)0x79, (byte)0x62, (byte)0xb9,
(byte)0x77, (byte)0xa7, (byte)0xd6, (byte)0xbc, (byte)0xf5, (byte)0x79, (byte)0x62, (byte)0xb9,
(byte)0x77, (byte)0xa7, (byte)0xd6, (byte)0xbc, (byte)0xf5, (byte)0x79, (byte)0x62, (byte)0xb9,
(byte)0xca, (byte)0x48, (byte)0x26, (byte)0x21, (byte)0x75, (byte)0x95, (byte)0xee, (byte)0x3b,
(byte)0xcc, (byte)0x1a, (byte)0x27, (byte)0x1c, (byte)0xcd, (byte)0x29, (byte)0xfe, (byte)0x26,
(byte)0x0d, (byte)0x40, (byte)0x98, (byte)0x42, (byte)0xdd, (byte)0xa5, (byte)0xf8, (byte)0xbc,
(byte)0x7d, (byte)0x76, (byte)0x12, (byte)0x5b, (byte)0x63, (byte)0x00, (byte)0x5f, (byte)0x88,
};
byte [] dataEnc = new byte[dataInp.length];
byte [] dataDec = new byte[dataInp.length];
// test encryption:
{
DESEngine desEngine = new DESEngine(true, dataKey);
for (int i=0; i<dataInp.length; i += 8) {
desEngine.processBlock(dataInp, i, dataEnc, i);
}
String strAct = Helper.dumpCodeBytes(dataEnc);
String strExp = Helper.dumpCodeBytes(dataExp);
assertEquals("encryption failed", strExp, strAct);
}
// test decryption:
{
DESEngine desEngine = new DESEngine(false, dataKey);
for (int i=0; i<dataInp.length; i += 8) {
desEngine.processBlock(dataEnc, i, dataDec, i);
}
String strAct = Helper.dumpCodeBytes(dataDec);
String strExp = Helper.dumpCodeBytes(dataInp);
assertEquals("decryption failed", strExp, strAct);
}
}
}