J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 6325952 |
| 27 | * @summary DESKey constructor is parity-adjusting the parameters |
| 28 | * @author Brad R. Wetmore |
| 29 | */ |
| 30 | import java.security.InvalidKeyException; |
| 31 | import java.util.Arrays; |
| 32 | import java.security.spec.KeySpec; |
| 33 | import javax.crypto.*; |
| 34 | import javax.crypto.spec.*; |
| 35 | |
| 36 | public class CheckParity { |
| 37 | |
| 38 | static byte [] testKey = { |
| 39 | (byte)0x00, // 00000000 even |
| 40 | (byte)0x01, // 00000001 odd |
| 41 | (byte)0x02, // 00000010 odd |
| 42 | (byte)0x03, // 00000011 even |
| 43 | (byte)0xfc, // 11111100 even |
| 44 | (byte)0xfd, // 11111101 odd |
| 45 | (byte)0xfe, // 11111110 odd |
| 46 | (byte)0xff, // 11111111 even |
| 47 | }; |
| 48 | |
| 49 | static byte [] expectedKey = { |
| 50 | (byte)0x01, // 00000001 odd |
| 51 | (byte)0x01, // 00000001 odd |
| 52 | (byte)0x02, // 00000010 odd |
| 53 | (byte)0x02, // 00000010 odd |
| 54 | (byte)0xfd, // 11111101 odd |
| 55 | (byte)0xfd, // 11111101 odd |
| 56 | (byte)0xfe, // 11111110 odd |
| 57 | (byte)0xfe, // 11111110 odd |
| 58 | }; |
| 59 | |
| 60 | static private void check(String alg, byte [] key, |
| 61 | byte [] expected, KeySpec ks) throws Exception { |
| 62 | |
| 63 | SecretKeyFactory skf = SecretKeyFactory.getInstance(alg, "SunJCE"); |
| 64 | SecretKey sk = skf.generateSecret(ks); |
| 65 | |
| 66 | if (DESKeySpec.isParityAdjusted(key, 0)) { |
| 67 | throw new Exception("Initial Key is somehow parity adjusted!"); |
| 68 | } |
| 69 | |
| 70 | byte [] encoded = sk.getEncoded(); |
| 71 | if (!Arrays.equals(expected, encoded)) { |
| 72 | throw new Exception("encoded key is not the expected key"); |
| 73 | } |
| 74 | |
| 75 | if (!DESKeySpec.isParityAdjusted(encoded, 0)) { |
| 76 | throw new Exception("Generated Key is not parity adjusted"); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | static private void checkDESKey() throws Exception { |
| 81 | check("DES", testKey, expectedKey, new DESKeySpec(testKey)); |
| 82 | } |
| 83 | |
| 84 | static private void checkDESedeKey() throws Exception { |
| 85 | |
| 86 | byte [] key3 = new byte [testKey.length * 3]; |
| 87 | byte [] expectedKey3 = new byte [expectedKey.length * 3]; |
| 88 | |
| 89 | for (int i = 0; i < 3; i++) { |
| 90 | System.arraycopy(testKey, 0, key3, |
| 91 | i * testKey.length, testKey.length); |
| 92 | System.arraycopy(expectedKey, 0, expectedKey3, |
| 93 | i * testKey.length, testKey.length); |
| 94 | } |
| 95 | |
| 96 | check("DESede", key3, expectedKey3, new DESedeKeySpec(key3)); |
| 97 | } |
| 98 | |
| 99 | public static void main(String[] args) throws Exception { |
| 100 | checkDESKey(); |
| 101 | checkDESedeKey(); |
| 102 | System.out.println("Test Passed!"); |
| 103 | } |
| 104 | } |