| /* |
| * Copyright (c) 1998, 2014, 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. |
| */ |
| |
| import java.nio.ByteBuffer; |
| import java.security.InvalidKeyException; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.NoSuchProviderException; |
| import javax.crypto.Mac; |
| import javax.crypto.SecretKey; |
| |
| /** |
| * @test |
| * @bug 8048603 |
| * @summary Checks if MAC algorithms work fine with empty buffer |
| * @author Alexander Fomin |
| * @build Utils |
| * @run main EmptyByteBufferTest |
| */ |
| public class EmptyByteBufferTest implements MacTest { |
| |
| /** |
| * @param args the command line arguments |
| */ |
| public static void main(String[] args) { |
| Utils.runTests(new EmptyByteBufferTest()); |
| } |
| |
| @Override |
| public void doTest(String alg) throws NoSuchAlgorithmException, |
| InvalidKeyException, NoSuchProviderException { |
| SecretKey key = Utils.getSecretKeySpec(); |
| |
| // instantiate Mac object and init it with a SecretKey |
| Mac mac = Mac.getInstance(alg, "SunJCE"); |
| mac.init(key); |
| |
| // prepare buffer |
| byte[] data = new byte[0]; |
| ByteBuffer buf = ByteBuffer.wrap(data); |
| |
| mac.update(buf); |
| mac.doFinal(); |
| } |
| |
| } |