105 lines
3.5 KiB
Java
105 lines
3.5 KiB
Java
/*
|
|
* Copyright (c) 2003, 2016, 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 4915392 8141039
|
|
* @summary test that the getAlgorithm() method works correctly
|
|
* @author Andreas Sterbenz
|
|
* @run main GetAlgorithm
|
|
*/
|
|
import java.io.*;
|
|
import java.security.*;
|
|
import java.util.Arrays;
|
|
import java.util.List;
|
|
|
|
public class GetAlgorithm {
|
|
|
|
private static final String BASE = System.getProperty("test.src", ".");
|
|
private static final String DRBG_CONFIG = "securerandom.drbg.config";
|
|
private static final String DRBG_CONFIG_VALUE
|
|
= Security.getProperty(DRBG_CONFIG);
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
SecureRandom sr = new SecureRandom();
|
|
if (sr.getAlgorithm().equals("unknown")) {
|
|
throw new Exception("Unknown: " + sr.getAlgorithm());
|
|
}
|
|
|
|
for (String mech : new String[]{supportedNativeAlgo(), "SHA1PRNG",
|
|
"Hash_DRBG", "HMAC_DRBG", "CTR_DRBG"}) {
|
|
if (!mech.contains("_DRBG")) {
|
|
check(mech, SecureRandom.getInstance(mech));
|
|
} else {
|
|
try {
|
|
Security.setProperty(DRBG_CONFIG, mech);
|
|
check("DRBG", SecureRandom.getInstance("DRBG"));
|
|
} finally {
|
|
Security.setProperty(DRBG_CONFIG, DRBG_CONFIG_VALUE);
|
|
}
|
|
}
|
|
}
|
|
check("unknown", new MySecureRandom());
|
|
|
|
InputStream in = new FileInputStream(
|
|
new File(BASE, "sha1prng-old.bin"));
|
|
ObjectInputStream oin = new ObjectInputStream(in);
|
|
sr = (SecureRandom) oin.readObject();
|
|
oin.close();
|
|
check("unknown", sr);
|
|
|
|
in = new FileInputStream(new File(BASE, "sha1prng-new.bin"));
|
|
oin = new ObjectInputStream(in);
|
|
sr = (SecureRandom) oin.readObject();
|
|
oin.close();
|
|
check("SHA1PRNG", sr);
|
|
|
|
System.out.println("All tests passed");
|
|
}
|
|
|
|
private static void check(String s1, SecureRandom sr) throws Exception {
|
|
String s2 = sr.getAlgorithm();
|
|
if (s1.equals(s2) == false) {
|
|
throw new Exception("Expected " + s1 + ", got " + s2);
|
|
}
|
|
}
|
|
|
|
private static class MySecureRandom extends SecureRandom {
|
|
|
|
}
|
|
|
|
/**
|
|
* Find the name of supported native mechanism name for current platform.
|
|
*/
|
|
private static String supportedNativeAlgo() {
|
|
String nativeSr = "Windows-PRNG";
|
|
try {
|
|
SecureRandom.getInstance(nativeSr);
|
|
} catch (NoSuchAlgorithmException e) {
|
|
nativeSr = "NativePRNG";
|
|
}
|
|
return nativeSr;
|
|
}
|
|
|
|
}
|