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/*
* Copyright (c) 2005, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6325952
* @summary DESKey constructor is parity-adjusting the parameters
* @author Brad R. Wetmore
*/
import java.security.InvalidKeyException;
import java.util.Arrays;
import java.security.spec.KeySpec;
import javax.crypto.*;
import javax.crypto.spec.*;
public class CheckParity {
static byte [] testKey = {
(byte)0x00, // 00000000 even
(byte)0x01, // 00000001 odd
(byte)0x02, // 00000010 odd
(byte)0x03, // 00000011 even
(byte)0xfc, // 11111100 even
(byte)0xfd, // 11111101 odd
(byte)0xfe, // 11111110 odd
(byte)0xff, // 11111111 even
};
static byte [] expectedKey = {
(byte)0x01, // 00000001 odd
(byte)0x01, // 00000001 odd
(byte)0x02, // 00000010 odd
(byte)0x02, // 00000010 odd
(byte)0xfd, // 11111101 odd
(byte)0xfd, // 11111101 odd
(byte)0xfe, // 11111110 odd
(byte)0xfe, // 11111110 odd
};
static private void check(String alg, byte [] key,
byte [] expected, KeySpec ks) throws Exception {
SecretKeyFactory skf = SecretKeyFactory.getInstance(alg, "SunJCE");
SecretKey sk = skf.generateSecret(ks);
if (DESKeySpec.isParityAdjusted(key, 0)) {
throw new Exception("Initial Key is somehow parity adjusted!");
}
byte [] encoded = sk.getEncoded();
if (!Arrays.equals(expected, encoded)) {
throw new Exception("encoded key is not the expected key");
}
if (!DESKeySpec.isParityAdjusted(encoded, 0)) {
throw new Exception("Generated Key is not parity adjusted");
}
}
static private void checkDESKey() throws Exception {
check("DES", testKey, expectedKey, new DESKeySpec(testKey));
}
static private void checkDESedeKey() throws Exception {
byte [] key3 = new byte [testKey.length * 3];
byte [] expectedKey3 = new byte [expectedKey.length * 3];
for (int i = 0; i < 3; i++) {
System.arraycopy(testKey, 0, key3,
i * testKey.length, testKey.length);
System.arraycopy(expectedKey, 0, expectedKey3,
i * testKey.length, testKey.length);
}
check("DESede", key3, expectedKey3, new DESedeKeySpec(key3));
}
public static void main(String[] args) throws Exception {
checkDESKey();
checkDESedeKey();
System.out.println("Test Passed!");
}
}
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