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 test that reinitializing Signatures works correctly 28 * @author Andreas Sterbenz 29 * @library .. 30 */ 31 32 import java.util.*; 33 34 import java.security.*; 35 36 public class ReinitSignature extends PKCS11Test { 37 38 public static void main(String[] args) throws Exception { 39 main(new ReinitSignature()); 40 } 41 42 public void main(Provider p) throws Exception { 43 KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", p); 44 kpg.initialize(512); 45 KeyPair kp = kpg.generateKeyPair(); 46 PrivateKey privateKey = kp.getPrivate(); 47 PublicKey publicKey = kp.getPublic(); 48 Signature sig = Signature.getInstance("MD5withRSA", p); 49 byte[] data = new byte[10 * 1024]; 50 new Random().nextBytes(data); 51 sig.initSign(privateKey); 52 sig.initSign(privateKey); 53 sig.update(data); 54 sig.initSign(privateKey); 55 sig.update(data); 56 byte[] signature = sig.sign(); 57 sig.update(data); 58 sig.initSign(privateKey); 59 sig.update(data); 60 sig.sign(); 61 sig.sign(); 62 sig.initSign(privateKey); 63 sig.sign(); 64 65 System.out.println("All tests passed"); 66 } 67 68 }