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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/java/security/MessageDigest/TestDisabledAlgorithms.java Normal file
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/*
* Copyright (c) 2025, 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 8244336
* @summary Test JCE layer algorithm restriction
* @library /test/lib
* @run main/othervm TestDisabledAlgorithms MESSAGEdigest.Sha-512 true
* @run main/othervm TestDisabledAlgorithms messageDIGest.what false
* @run main/othervm TestDisabledAlgorithms meSSagedIgest.sHA-512/224 false
*/
import java.util.List;
import java.security.NoSuchAlgorithmException;
import java.security.MessageDigest;
import java.security.Provider;
import java.security.Security;
import jdk.test.lib.Utils;
public class TestDisabledAlgorithms {
private static final String PROP_NAME = "jdk.crypto.disabledAlgorithms";
private static void test(List<String> algos, Provider p,
boolean shouldThrow) throws Exception {
for (String a : algos) {
System.out.println("Testing " + (p != null ? p.getName() : "") +
": " + a + ", shouldThrow=" + shouldThrow);
if (shouldThrow) {
if (p == null) {
Utils.runAndCheckException(() -> MessageDigest.getInstance(a),
NoSuchAlgorithmException.class);
} else {
Utils.runAndCheckException(() -> MessageDigest.getInstance(a, p),
NoSuchAlgorithmException.class);
Utils.runAndCheckException(() -> MessageDigest.getInstance(a,
p.getName()), NoSuchAlgorithmException.class);
}
} else {
MessageDigest m;
if (p == null) {
m = MessageDigest.getInstance(a);
} else {
m = MessageDigest.getInstance(a, p);
m = MessageDigest.getInstance(a, p.getName());
}
System.out.println("Got MessageDigest w/ algo " +
m.getAlgorithm());
}
}
}
public static void main(String[] args) throws Exception {
String propValue = args[0];
System.out.println("Setting Security Prop " + PROP_NAME + " = " +
propValue);
Security.setProperty(PROP_NAME, propValue);
boolean shouldThrow = Boolean.valueOf(args[1]);
List<String> algos = List.of("sHA-512", "shA-512",
"2.16.840.1.101.3.4.2.3");
// test w/o provider
test(algos, null, shouldThrow);
// test w/ provider
Provider[] providers = Security.getProviders("MessageDigest.SHA-512");
for (Provider p : providers) {
test(algos, p, shouldThrow);
}
}
}