102 lines
3.7 KiB
Java
102 lines
3.7 KiB
Java
/*
|
|
* Copyright (c) 2016, 2022, 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.
|
|
*/
|
|
|
|
import java.security.Provider;
|
|
import java.security.SecureRandom;
|
|
import java.security.Security;
|
|
import java.util.Date;
|
|
import java.util.concurrent.atomic.AtomicBoolean;
|
|
|
|
/*
|
|
* @test
|
|
* @bug 7004967
|
|
* @run main/othervm -Djava.security.egd=file:/dev/urandom NoSync
|
|
* @summary SecureRandom should be more explicit about threading
|
|
*/
|
|
public class NoSync {
|
|
public static void main(String[] args) throws Exception {
|
|
for (Provider p : Security.getProviders()) {
|
|
for (Provider.Service s : p.getServices()) {
|
|
if (s.getType().equals("SecureRandom") &&
|
|
!s.getAlgorithm().contains("Block")) {
|
|
test(SecureRandom.getInstance(s.getAlgorithm(), p));
|
|
}
|
|
}
|
|
}
|
|
Security.setProperty("securerandom.drbg.config", "HMAC_DRBG");
|
|
test(SecureRandom.getInstance("DRBG"));
|
|
Security.setProperty("securerandom.drbg.config", "CTR_DRBG");
|
|
test(SecureRandom.getInstance("DRBG"));
|
|
}
|
|
|
|
static void test(SecureRandom sr) throws Exception {
|
|
test(sr, 20, 3000);
|
|
// All out-of-box impl should have the ThreadSafe attribute
|
|
String attr = sr.getProvider().getProperty("SecureRandom."
|
|
+ sr.getAlgorithm() + " ThreadSafe");
|
|
if (!"true".equals(attr)) {
|
|
throw new Exception("Not ThreadSafe: " + attr);
|
|
}
|
|
}
|
|
|
|
public static void test(SecureRandom sr, int tnum, int rnum)
|
|
throws Exception {
|
|
|
|
System.out.println(sr);
|
|
System.out.println(sr.getAlgorithm() + " " + sr.getProvider().getName());
|
|
|
|
System.out.println(new Date());
|
|
boolean reseed = sr.getParameters() != null;
|
|
Thread[] threads = new Thread[tnum];
|
|
AtomicBoolean failed = new AtomicBoolean(false);
|
|
Thread.UncaughtExceptionHandler h = (t, e) -> {
|
|
failed.set(true);
|
|
e.printStackTrace();
|
|
};
|
|
for (int i = 0; i < threads.length; i++) {
|
|
threads[i] = new Thread() {
|
|
@Override
|
|
public void run() {
|
|
for (int j = 0; j < rnum; j++) {
|
|
sr.nextBytes(new byte[j%100+100]);
|
|
sr.setSeed((long)j);
|
|
if (reseed) {
|
|
sr.reseed();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
threads[i].setUncaughtExceptionHandler(h);
|
|
threads[i].start();
|
|
}
|
|
for (int i = 0; i < threads.length; i++) {
|
|
threads[i].join();
|
|
}
|
|
System.out.println(new Date());
|
|
System.out.println();
|
|
if (failed.get()) {
|
|
throw new RuntimeException("Failed");
|
|
}
|
|
}
|
|
}
|