84 lines
2.9 KiB
Java
84 lines
2.9 KiB
Java
/*
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* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8155191
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* @summary check NPE is thrown for various methods of SecureRandom class,
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* e.g. SecureRandom(byte[]), nextBytes(byte[]), and setSeed(byte[]).
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* @run main NextBytesNull
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*/
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import java.security.NoSuchAlgorithmException;
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import java.security.Provider;
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import java.security.SecureRandom;
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import java.security.SecureRandomSpi;
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public class NextBytesNull {
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public static void main(String[] args) throws Exception {
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String test = "SecureRandom(null)";
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try {
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new SecureRandom(null);
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throw new RuntimeException("Error: NPE not thrown for " + test);
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} catch (NullPointerException e) {
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System.out.println("OK, expected NPE thrown for " + test);
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}
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// verify with an Spi impl which does not throw NPE
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SecureRandom sr = SecureRandom.getInstance("S1", new P());
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try {
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sr.nextBytes(null);
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throw new RuntimeException("Error: NPE not thrown");
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} catch (NullPointerException npe) {
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System.out.println("OK, expected NPE thrown for " + test);
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}
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try {
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sr.setSeed(null);
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throw new RuntimeException("Error: NPE not thrown for " + test);
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} catch (NullPointerException npe) {
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System.out.println("OK, expected NPE thrown for " + test);
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}
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}
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public static final class P extends Provider {
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public P() {
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super("P", 1.0d, "Test Provider without Null Check");
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put("SecureRandom.S1", S.class.getName());
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}
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}
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public static final class S extends SecureRandomSpi {
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@Override
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protected void engineSetSeed(byte[] seed) {
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}
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@Override
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protected void engineNextBytes(byte[] bytes) {
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}
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@Override
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protected byte[] engineGenerateSeed(int numBytes) {
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return new byte[numBytes];
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}
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}
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}
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