109 lines
3.8 KiB
Java
109 lines
3.8 KiB
Java
/*
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* Copyright (c) 2020, 2024, 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 8246077
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* @summary Ensure a cloneable digest can be accepted/used by HmacCore
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*/
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import java.security.*;
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import java.security.spec.AlgorithmParameterSpec;
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import javax.crypto.*;
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import javax.crypto.spec.*;
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public class DigestCloneabilityTest {
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private static String ALGO = "HmacSHA512";
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public static void main(String[] args) throws Exception {
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Provider p = new SampleProvider();
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// make SampleProvider the most preferred, so its digest impl is picked
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int status = Security.insertProviderAt(p, 1);
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try {
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Mac mac = Mac.getInstance(ALGO,
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System.getProperty("test.provider.name", "SunJCE"));
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// do a complete mac generation and check if the supplied
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// digest is used
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mac.init(new SecretKeySpec(new byte[512>>3], ALGO));
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mac.update((byte)0x12);
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byte[] macBytes = mac.doFinal();
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if (!SampleProvider.CloneableDigest.isUsed) {
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throw new RuntimeException("Expected Digest impl not used");
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}
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} finally {
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if (status != -1) {
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Security.removeProvider(p.getName());
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}
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}
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System.out.println("Test Passed");
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}
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public static class SampleProvider extends Provider {
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public SampleProvider() {
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super("Sample", "1.0", "test provider");
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putService(new Provider.Service(this, "MessageDigest", "SHA-512",
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"DigestCloneabilityTest$SampleProvider$CloneableDigest",
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null, null));
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}
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public static class CloneableDigest extends MessageDigestSpi
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implements Cloneable {
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private MessageDigest md;
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static boolean isUsed = false;
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public CloneableDigest() throws NoSuchAlgorithmException {
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try {
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md = MessageDigest.getInstance("SHA-512",
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System.getProperty("test.provider.name", "SUN"));
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} catch (NoSuchProviderException nspe) {
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// should never happen
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}
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}
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public byte[] engineDigest() {
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isUsed = true;
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return md.digest();
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}
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public void engineReset() {
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isUsed = true;
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md.reset();
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}
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public void engineUpdate(byte input) {
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isUsed = true;
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md.update(input);
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}
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public void engineUpdate(byte[] b, int ofs, int len) {
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isUsed = true;
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md.update(b, ofs, len);
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}
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public Object clone() throws CloneNotSupportedException {
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return this;
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}
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}
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}
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}
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