| /* |
| * 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!"); |
| } |
| } |