1 /* 2 * Copyright (c) 2018, 2019, 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 8214096 8216039 27 * @summary Make sure SignatureUtil works with null algorithm parameters 28 * @modules java.base/sun.security.util 29 */ 30 import java.security.*; 31 import java.security.spec.AlgorithmParameterSpec; 32 import sun.security.util.SignatureUtil; 33 34 public class SetNullSigParams { 35 36 public static void main(String[] args) throws Exception { 37 Signature sig = new SpecialSigImpl(); 38 SignatureUtil.initVerifyWithParam(sig, (PublicKey) null, null); 39 SignatureUtil.initSignWithParam(sig, null, null, null); 40 } 41 42 // Sample Signature impl class which simulates 3rd party provider behavior 43 // and throws NPE when given null algorithm parameters 44 // For max backward-compatibility, sun.security.util.SignatureUtil class 45 // now calls setParameter() only when algorithm parameters is non-null 46 private static class SpecialSigImpl extends Signature { 47 SpecialSigImpl() { 48 super("ANY"); 49 } 50 @Override 51 protected void engineInitVerify(PublicKey publicKey) 52 throws InvalidKeyException {} 53 @Override 54 protected void engineInitSign(PrivateKey privateKey) 55 throws InvalidKeyException {} 56 @Override 57 protected void engineUpdate(byte b) throws SignatureException {} 58 @Override 59 protected void engineUpdate(byte[] b, int off, int len) 60 throws SignatureException {} 61 @Override 62 protected byte[] engineSign() throws SignatureException { return null; } 63 @Override 64 protected boolean engineVerify(byte[] sigBytes) 65 throws SignatureException { return false; } 66 @Override 67 protected void engineSetParameter(String param, Object value) 68 throws InvalidParameterException {} 69 @Override 70 protected void engineSetParameter(AlgorithmParameterSpec params) 71 throws InvalidAlgorithmParameterException { 72 if (params == null) throw new NullPointerException("Test Failed"); 73 } 74 @Override 75 protected Object engineGetParameter(String param) 76 throws InvalidParameterException { return null; } 77 } 78 }