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 * @key randomness 31 */ 32 33 import java.util.*; 34 35 import java.security.*; 36 37 public class ReinitSignature extends PKCS11Test { 38 39 public static void main(String[] args) throws Exception { 40 main(new ReinitSignature()); 41 } 42 43 public void main(Provider p) throws Exception { 44 KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", p); 45 kpg.initialize(512); 46 KeyPair kp = kpg.generateKeyPair(); 47 PrivateKey privateKey = kp.getPrivate(); 48 PublicKey publicKey = kp.getPublic(); 49 Signature sig = Signature.getInstance("MD5withRSA", p); 50 byte[] data = new byte[10 * 1024]; 51 new Random().nextBytes(data); 52 sig.initSign(privateKey); 53 sig.initSign(privateKey); 54 sig.update(data); 55 sig.initSign(privateKey); 56 sig.update(data); 57 byte[] signature = sig.sign(); 58 sig.update(data); 59 sig.initSign(privateKey); 60 sig.update(data); 61 sig.sign(); 62 sig.sign(); 63 sig.initSign(privateKey); 64 sig.sign(); 65 66 System.out.println("All tests passed"); 67 } 68 69 }