1 /* 2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 4856966 27 * @summary 28 * @author Andreas Sterbenz 29 * @library .. 30 * @key randomness 31 */ 32 33 import java.util.*; 34 35 import java.security.*; 36 37 import javax.crypto.*; 38 import javax.crypto.spec.*; 39 40 public class ReinitMac extends PKCS11Test { 41 42 public static void main(String[] args) throws Exception { 43 main(new ReinitMac()); 44 } 45 46 public void main(Provider p) throws Exception { 47 if (p.getService("Mac", "HmacMD5") == null) { 48 System.out.println(p + " does not support HmacMD5, skipping"); 49 return; 50 } 51 Random random = new Random(); 52 byte[] data1 = new byte[10 * 1024]; 53 random.nextBytes(data1); 54 byte[] keyData = new byte[16]; 55 random.nextBytes(keyData); 56 SecretKeySpec key = new SecretKeySpec(keyData, "Hmac"); 57 Mac mac = Mac.getInstance("HmacMD5", p); 58 mac.init(key); 59 mac.init(key); 60 mac.update(data1); 61 mac.init(key); 62 mac.doFinal(); 63 mac.doFinal(); 64 mac.update(data1); 65 mac.doFinal(); 66 mac.reset(); 67 mac.reset(); 68 mac.init(key); 69 mac.reset(); 70 mac.update(data1); 71 mac.reset(); 72 73 System.out.println("All tests passed"); 74 } 75 }