105 lines
3.7 KiB
Java
105 lines
3.7 KiB
Java
/*
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* Copyright (c) 2005, 2007, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6325952
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* @summary DESKey constructor is parity-adjusting the parameters
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* @author Brad R. Wetmore
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*/
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import java.security.InvalidKeyException;
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import java.util.Arrays;
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import java.security.spec.KeySpec;
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import javax.crypto.*;
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import javax.crypto.spec.*;
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public class CheckParity {
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static byte [] testKey = {
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(byte)0x00, // 00000000 even
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(byte)0x01, // 00000001 odd
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(byte)0x02, // 00000010 odd
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(byte)0x03, // 00000011 even
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(byte)0xfc, // 11111100 even
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(byte)0xfd, // 11111101 odd
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(byte)0xfe, // 11111110 odd
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(byte)0xff, // 11111111 even
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};
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static byte [] expectedKey = {
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(byte)0x01, // 00000001 odd
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(byte)0x01, // 00000001 odd
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(byte)0x02, // 00000010 odd
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(byte)0x02, // 00000010 odd
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(byte)0xfd, // 11111101 odd
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(byte)0xfd, // 11111101 odd
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(byte)0xfe, // 11111110 odd
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(byte)0xfe, // 11111110 odd
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};
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static private void check(String alg, byte [] key,
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byte [] expected, KeySpec ks) throws Exception {
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SecretKeyFactory skf = SecretKeyFactory.getInstance(alg, "SunJCE");
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SecretKey sk = skf.generateSecret(ks);
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if (DESKeySpec.isParityAdjusted(key, 0)) {
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throw new Exception("Initial Key is somehow parity adjusted!");
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}
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byte [] encoded = sk.getEncoded();
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if (!Arrays.equals(expected, encoded)) {
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throw new Exception("encoded key is not the expected key");
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}
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if (!DESKeySpec.isParityAdjusted(encoded, 0)) {
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throw new Exception("Generated Key is not parity adjusted");
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}
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}
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static private void checkDESKey() throws Exception {
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check("DES", testKey, expectedKey, new DESKeySpec(testKey));
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}
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static private void checkDESedeKey() throws Exception {
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byte [] key3 = new byte [testKey.length * 3];
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byte [] expectedKey3 = new byte [expectedKey.length * 3];
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for (int i = 0; i < 3; i++) {
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System.arraycopy(testKey, 0, key3,
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i * testKey.length, testKey.length);
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System.arraycopy(expectedKey, 0, expectedKey3,
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i * testKey.length, testKey.length);
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}
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check("DESede", key3, expectedKey3, new DESedeKeySpec(key3));
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}
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public static void main(String[] args) throws Exception {
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checkDESKey();
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checkDESedeKey();
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System.out.println("Test Passed!");
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}
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}
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