| /* |
| * Copyright (c) 2003, 2012, 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 4807942 7033170 |
| * @summary Test the Cipher.getMaxAllowedKeyLength(String) and |
| * getMaxAllowedParameterSpec(String) methods |
| * @author Valerie Peng |
| */ |
| |
| import java.util.*; |
| import java.nio.*; |
| |
| import java.security.*; |
| import java.security.spec.*; |
| |
| import javax.crypto.*; |
| import javax.crypto.spec.*; |
| |
| public class GetMaxAllowed { |
| |
| private static void runTest1(boolean isUnlimited) throws Exception { |
| System.out.println("Testing " + (isUnlimited? "un":"") + |
| "limited policy..."); |
| |
| String algo = "Blowfish"; |
| int keyLength = Cipher.getMaxAllowedKeyLength(algo); |
| AlgorithmParameterSpec spec = Cipher.getMaxAllowedParameterSpec(algo); |
| if (isUnlimited) { |
| if ((keyLength != Integer.MAX_VALUE) || (spec != null)) { |
| throw new Exception("Check for " + algo + |
| " failed under unlimited policy"); |
| } |
| } else { |
| if ((keyLength != 128) || (spec != null)) { |
| throw new Exception("Check for " + algo + |
| " failed under default policy"); |
| } |
| } |
| algo = "RC5"; |
| keyLength = Cipher.getMaxAllowedKeyLength(algo); |
| RC5ParameterSpec rc5param = (RC5ParameterSpec) |
| Cipher.getMaxAllowedParameterSpec(algo); |
| if (isUnlimited) { |
| if ((keyLength != Integer.MAX_VALUE) || (rc5param != null)) { |
| throw new Exception("Check for " + algo + |
| " failed under unlimited policy"); |
| } |
| } else { |
| if ((keyLength != 128) || (rc5param.getRounds() != 12) || |
| (rc5param.getVersion() != Integer.MAX_VALUE) || |
| (rc5param.getWordSize() != Integer.MAX_VALUE)) { |
| throw new Exception("Check for " + algo + |
| " failed under default policy"); |
| } |
| } |
| System.out.println("All tests passed"); |
| } |
| |
| private static void runTest2() throws Exception { |
| System.out.println("Testing against Security.getAlgorithms()"); |
| |
| Set<String> algorithms = Security.getAlgorithms("Cipher"); |
| |
| for (String algorithm: algorithms) { |
| int keylength = -1; |
| |
| // if 7033170 is not fixed, NoSuchAlgorithmException is thrown |
| keylength = Cipher.getMaxAllowedKeyLength(algorithm); |
| |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| // decide if the installed jurisdiction policy file is the |
| // unlimited version |
| boolean isUnlimited = true; |
| Cipher c = Cipher.getInstance("AES", "SunJCE"); |
| try { |
| c.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(new byte[24], "AES")); |
| } catch (InvalidKeyException ike) { |
| isUnlimited = false; |
| } |
| runTest1(isUnlimited); |
| |
| // test using the set of algorithms returned by Security.getAlgorithms() |
| runTest2(); |
| } |
| } |