74 lines
2.3 KiB
Java
74 lines
2.3 KiB
Java
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/*
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* Copyright 2002-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/**
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* @test
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* @bug 4775971
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* @summary test the clone implementation of SHA, SHA-256,
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* SHA-384, SHA-512 MessageDigest implementation.
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*/
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import java.security.*;
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import java.util.*;
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public class TestSHAClone {
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private static final String[] ALGOS = {
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"SHA", "SHA-256", "SHA-512", "SHA-384"
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};
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private static byte[] input1 = {
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(byte)0x1, (byte)0x2, (byte)0x3
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};
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private static byte[] input2 = {
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(byte)0x4, (byte)0x5, (byte)0x6
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};
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private MessageDigest md;
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private TestSHAClone(String algo, Provider p) throws Exception {
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md = MessageDigest.getInstance(algo, p);
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}
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private void run() throws Exception {
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md.update(input1);
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MessageDigest md2 = (MessageDigest) md.clone();
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md.update(input2);
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md2.update(input2);
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if (!Arrays.equals(md.digest(), md2.digest())) {
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throw new Exception(md.getAlgorithm() + ": comparison failed");
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} else {
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System.out.println(md.getAlgorithm() + ": passed");
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}
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}
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public static void main(String[] argv) throws Exception {
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Provider p = Security.getProvider("SUN");
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for (int i=0; i<ALGOS.length; i++) {
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TestSHAClone test = new TestSHAClone(ALGOS[i], p);
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test.run();
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}
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}
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}
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