| /* |
| * Copyright (c) 2002, 2003, 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 4775971 |
| * @summary test the clone implementation of SHA, SHA-256, |
| * SHA-384, SHA-512 MessageDigest implementation. |
| */ |
| import java.security.*; |
| import java.util.*; |
| |
| public class TestSHAClone { |
| |
| private static final String[] ALGOS = { |
| "SHA", "SHA-256", "SHA-512", "SHA-384" |
| }; |
| |
| private static byte[] input1 = { |
| (byte)0x1, (byte)0x2, (byte)0x3 |
| }; |
| |
| private static byte[] input2 = { |
| (byte)0x4, (byte)0x5, (byte)0x6 |
| }; |
| |
| private MessageDigest md; |
| |
| private TestSHAClone(String algo, Provider p) throws Exception { |
| md = MessageDigest.getInstance(algo, p); |
| } |
| |
| private void run() throws Exception { |
| md.update(input1); |
| MessageDigest md2 = (MessageDigest) md.clone(); |
| md.update(input2); |
| md2.update(input2); |
| if (!Arrays.equals(md.digest(), md2.digest())) { |
| throw new Exception(md.getAlgorithm() + ": comparison failed"); |
| } else { |
| System.out.println(md.getAlgorithm() + ": passed"); |
| } |
| } |
| |
| |
| public static void main(String[] argv) throws Exception { |
| Provider p = Security.getProvider("SUN"); |
| for (int i=0; i<ALGOS.length; i++) { |
| TestSHAClone test = new TestSHAClone(ALGOS[i], p); |
| test.run(); |
| } |
| } |
| } |