| /* |
| * Copyright (c) 2004, 2007, 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 4953556 |
| * @summary ensure that IllegalStateException is thrown if the |
| * Cipher object is initialized with a wrong mode, e.g. WRAP_MODE |
| * for update()/doFinal() calls. |
| * @author Valerie Peng |
| */ |
| |
| |
| import java.security.*; |
| import java.security.spec.*; |
| |
| import javax.crypto.*; |
| import javax.crypto.spec.SecretKeySpec; |
| |
| public class TestCipherMode { |
| |
| private static final String ALGO = "DES"; |
| |
| public static void main(String[] argv) throws Exception { |
| TestCipherMode test = new TestCipherMode(); |
| System.out.println("Testing ENCRYPT_MODE..."); |
| test.checkMode(Cipher.ENCRYPT_MODE); |
| System.out.println("Testing DECRYPT_MODE..."); |
| test.checkMode(Cipher.DECRYPT_MODE); |
| System.out.println("Testing WRAP_MODE..."); |
| test.checkMode(Cipher.WRAP_MODE); |
| System.out.println("Testing UNWRAP_MODE..."); |
| test.checkMode(Cipher.UNWRAP_MODE); |
| System.out.println("All Tests Passed"); |
| } |
| |
| private Cipher c = null; |
| private SecretKey key = null; |
| |
| private TestCipherMode() throws NoSuchAlgorithmException, |
| NoSuchProviderException, NoSuchPaddingException { |
| c = Cipher.getInstance(ALGO + "/ECB/PKCS5Padding", "SunJCE"); |
| key = new SecretKeySpec(new byte[8], ALGO); |
| } |
| |
| private void checkMode(int mode) throws Exception { |
| c.init(mode, key); |
| |
| switch (mode) { |
| case Cipher.ENCRYPT_MODE: |
| case Cipher.DECRYPT_MODE: |
| // call wrap()/unwrap() and see if ISE is thrown. |
| try { |
| c.wrap(key); |
| throw new Exception("ERROR: should throw ISE for wrap()"); |
| } catch (IllegalStateException ise) { |
| System.out.println("expected ISE is thrown for wrap()"); |
| } |
| try { |
| c.unwrap(new byte[16], ALGO, Cipher.SECRET_KEY); |
| throw new Exception("ERROR: should throw ISE for unwrap()"); |
| } catch (IllegalStateException ise) { |
| System.out.println("expected ISE is thrown for unwrap()"); |
| } |
| break; |
| case Cipher.WRAP_MODE: |
| case Cipher.UNWRAP_MODE: |
| try { |
| c.update(new byte[16]); |
| throw new Exception("ERROR: should throw ISE for update()"); |
| } catch (IllegalStateException ise) { |
| System.out.println("expected ISE is thrown for update()"); |
| } |
| try { |
| c.doFinal(); |
| throw new Exception("ERROR: should throw ISE for doFinal()"); |
| } catch (IllegalStateException ise) { |
| System.out.println("expected ISE is thrown for doFinal()"); |
| } |
| break; |
| } |
| } |
| } |