| /* |
| * Copyright (c) 2003, 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 |
| * @summary test that the getAlgorithm() method works correctly |
| * @author Andreas Sterbenz |
| */ |
| |
| import java.io.*; |
| |
| import java.security.*; |
| |
| public class GetAlgorithm { |
| |
| private final static String BASE = System.getProperty("test.src", "."); |
| |
| public static void main(String[] args) throws Exception { |
| SecureRandom sr; |
| |
| sr = new SecureRandom(); |
| if (sr.getAlgorithm().equals("unknown")) { |
| throw new Exception("Unknown: " + sr.getAlgorithm()); |
| } |
| |
| sr = SecureRandom.getInstance("SHA1PRNG"); |
| check("SHA1PRNG", sr); |
| |
| // OutputStream out = new FileOutputStream("sha1prng.bin"); |
| // ObjectOutputStream oout = new ObjectOutputStream(out); |
| // sr.nextInt(); |
| // oout.writeObject(sr); |
| // oout.flush(); |
| // oout.close(); |
| |
| sr = new MySecureRandom(); |
| check("unknown", sr); |
| |
| 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 { |
| |
| } |
| |
| } |