| /* |
| * Copyright (c) 1998, 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 0000000 |
| * @summary MacClone |
| * @author Jan Luehe |
| */ |
| import javax.crypto.*; |
| |
| public class MacClone { |
| |
| public static void main(String[] args) throws Exception { |
| |
| // |
| // Clone uninitialized Mac object |
| // |
| Mac mac = Mac.getInstance("HmacSHA1", "SunJCE"); |
| Mac macClone = (Mac)mac.clone(); |
| System.out.println(macClone.getProvider().toString()); |
| System.out.println(macClone.getAlgorithm()); |
| boolean thrown = false; |
| try { |
| macClone.update((byte)0x12); |
| } catch (IllegalStateException ise) { |
| thrown = true; |
| } |
| if (!thrown) { |
| throw new Exception("Expected IllegalStateException not thrown"); |
| } |
| |
| // |
| // Clone initialized Mac object |
| // |
| KeyGenerator kgen = KeyGenerator.getInstance("DES"); |
| SecretKey skey = kgen.generateKey(); |
| |
| mac = Mac.getInstance("HmacSHA1"); |
| mac.init(skey); |
| macClone = (Mac)mac.clone(); |
| System.out.println(macClone.getProvider().toString()); |
| System.out.println(macClone.getAlgorithm()); |
| mac.update((byte)0x12); |
| macClone.update((byte)0x12); |
| byte[] macFinal = mac.doFinal(); |
| byte[] macCloneFinal = macClone.doFinal(); |
| if (!java.util.Arrays.equals(macFinal, macCloneFinal)) { |
| throw new Exception("MAC results are different"); |
| } |
| } |
| } |