| /* |
| * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4937853 |
| * @summary Make sure normal calls of NullCipher does not throw NPE. |
| * @author Valerie Peng |
| */ |
| import java.util.Arrays; |
| import java.security.AlgorithmParameters; |
| import java.security.Key; |
| import java.security.SecureRandom; |
| import java.security.cert.Certificate; |
| import java.security.spec.AlgorithmParameterSpec; |
| import javax.crypto.Cipher; |
| import javax.crypto.NullCipher; |
| import javax.crypto.spec.SecretKeySpec; |
| |
| public class TestNPE { |
| private static byte[] BYTES = new byte[16]; |
| static { |
| new SecureRandom().nextBytes(BYTES); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| NullCipher nc = new NullCipher(); |
| // testing init(...) |
| nc.init(Cipher.ENCRYPT_MODE, (Certificate) null); |
| nc.init(Cipher.ENCRYPT_MODE, (Certificate) null, (SecureRandom) null); |
| nc.init(Cipher.ENCRYPT_MODE, (Key) null); |
| nc.init(Cipher.ENCRYPT_MODE, (Key) null, (AlgorithmParameters) null); |
| nc.init(Cipher.ENCRYPT_MODE, (Key) null, (AlgorithmParameterSpec) null); |
| nc.init(Cipher.ENCRYPT_MODE, (Key) null, (AlgorithmParameterSpec) null, |
| (SecureRandom) null); |
| nc.init(Cipher.ENCRYPT_MODE, (Key) null, (AlgorithmParameters) null, |
| (SecureRandom) null); |
| nc.init(Cipher.ENCRYPT_MODE, (Key) null, (SecureRandom) null); |
| // testing getBlockSize() |
| if (nc.getBlockSize() != 1) { |
| throw new Exception("Error with getBlockSize()"); |
| } |
| // testing update(...) |
| byte[] out = nc.update(BYTES); |
| if (!Arrays.equals(out, BYTES)) { |
| throw new Exception("Error with update(byte[])"); |
| } |
| out = nc.update(BYTES, 0, BYTES.length); |
| if (!Arrays.equals(out, BYTES)) { |
| throw new Exception("Error with update(byte[], int, int)"); |
| } |
| if (nc.update(BYTES, 0, BYTES.length, out) != BYTES.length) { |
| throw new Exception("Error with update(byte[], int, int, byte[])"); |
| } |
| if (nc.update(BYTES, 0, BYTES.length, out, 0) != BYTES.length) { |
| throw new Exception( |
| "Error with update(byte[], int, int, byte[], int)"); |
| } |
| // testing doFinal(...) |
| if (nc.doFinal() != null) { |
| throw new Exception("Error with doFinal()"); |
| } |
| if (nc.doFinal(out, 0) != 0) { |
| throw new Exception("Error with doFinal(byte[], 0)"); |
| } |
| out = nc.doFinal(BYTES); |
| if (!Arrays.equals(out, BYTES)) { |
| throw new Exception("Error with doFinal(byte[])"); |
| } |
| out = nc.doFinal(BYTES, 0, BYTES.length); |
| if (!Arrays.equals(out, BYTES)) { |
| throw new Exception("Error with doFinal(byte[], int, int)"); |
| } |
| if (nc.doFinal(BYTES, 0, BYTES.length, out) != BYTES.length) { |
| throw new Exception( |
| "Error with doFinal(byte[], int, int, byte[])"); |
| } |
| if (nc.doFinal(BYTES, 0, BYTES.length, out, 0) != BYTES.length) { |
| throw new Exception( |
| "Error with doFinal(byte[], int, int, byte[], int)"); |
| } |
| // testing getExemptionMechanism() |
| if (nc.getExemptionMechanism() != null) { |
| throw new Exception("Error with getExemptionMechanism()"); |
| } |
| // testing getOutputSize(int) |
| if (nc.getOutputSize(5) != 5) { |
| throw new Exception("Error with getOutputSize()"); |
| } |
| // testing getIV(), getParameters(), getAlgorithm(), etc. |
| if (nc.getIV() == null) { // should've been null; |
| // left it as is for backward-compatibility |
| throw new Exception("Error with getIV()"); |
| } |
| if (nc.getParameters() != null) { |
| throw new Exception("Error with getParameters()"); |
| } |
| if (nc.getAlgorithm() != null) { |
| throw new Exception("Error with getAlgorithm()"); |
| } |
| if (nc.getProvider() != null) { // not associated with any provider |
| throw new Exception("Error with getProvider()"); |
| } |
| System.out.println("Test Done"); |
| } |
| } |