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 */ 31 32 import java.util.*; 33 34 import java.security.*; 35 36 public class ReinitDigest extends PKCS11Test { 37 38 public static void main(String[] args) throws Exception { 39 main(new ReinitDigest()); 40 } 41 42 public void main(Provider p) throws Exception { 43 if (p.getService("MessageDigest", "MD5") == null) { 44 System.out.println("Provider does not support MD5, skipping"); 45 return; 46 } 47 Random r = new Random(); 48 byte[] data1 = new byte[10 * 1024]; 49 byte[] data2 = new byte[10 * 1024]; 50 r.nextBytes(data1); 51 r.nextBytes(data2); 52 MessageDigest md; 53 md = MessageDigest.getInstance("MD5", "SUN"); 54 byte[] d1 = md.digest(data1); 55 md = MessageDigest.getInstance("MD5", p); 56 byte[] d2 = md.digest(data1); 57 check(d1, d2); 58 byte[] d3 = md.digest(data1); 59 check(d1, d3); 60 md.update(data2); 61 md.update((byte)0); 62 md.reset(); 63 byte[] d4 = md.digest(data1); 64 check(d1, d4); 65 System.out.println("All tests passed"); 66 } 67 68 private static void check(byte[] d1, byte[] d2) throws Exception { 69 if (Arrays.equals(d1, d2) == false) { 70 throw new RuntimeException("Digest mismatch"); 71 } 72 } 73 }