J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 4937853 |
| 27 | * @summary Make sure normal calls of NullCipher does not throw NPE. |
| 28 | * @author Valerie Peng |
| 29 | */ |
| 30 | import java.util.Arrays; |
| 31 | import java.security.AlgorithmParameters; |
| 32 | import java.security.Key; |
| 33 | import java.security.SecureRandom; |
| 34 | import java.security.cert.Certificate; |
| 35 | import java.security.spec.AlgorithmParameterSpec; |
| 36 | import javax.crypto.Cipher; |
| 37 | import javax.crypto.NullCipher; |
| 38 | import javax.crypto.spec.SecretKeySpec; |
| 39 | |
| 40 | public class TestNPE { |
| 41 | private static byte[] BYTES = new byte[16]; |
| 42 | static { |
| 43 | new SecureRandom().nextBytes(BYTES); |
| 44 | } |
| 45 | |
| 46 | public static void main(String[] args) throws Exception { |
| 47 | NullCipher nc = new NullCipher(); |
| 48 | // testing init(...) |
| 49 | nc.init(Cipher.ENCRYPT_MODE, (Certificate) null); |
| 50 | nc.init(Cipher.ENCRYPT_MODE, (Certificate) null, (SecureRandom) null); |
| 51 | nc.init(Cipher.ENCRYPT_MODE, (Key) null); |
| 52 | nc.init(Cipher.ENCRYPT_MODE, (Key) null, (AlgorithmParameters) null); |
| 53 | nc.init(Cipher.ENCRYPT_MODE, (Key) null, (AlgorithmParameterSpec) null); |
| 54 | nc.init(Cipher.ENCRYPT_MODE, (Key) null, (AlgorithmParameterSpec) null, |
| 55 | (SecureRandom) null); |
| 56 | nc.init(Cipher.ENCRYPT_MODE, (Key) null, (AlgorithmParameters) null, |
| 57 | (SecureRandom) null); |
| 58 | nc.init(Cipher.ENCRYPT_MODE, (Key) null, (SecureRandom) null); |
| 59 | // testing getBlockSize() |
| 60 | if (nc.getBlockSize() != 1) { |
| 61 | throw new Exception("Error with getBlockSize()"); |
| 62 | } |
| 63 | // testing update(...) |
| 64 | byte[] out = nc.update(BYTES); |
| 65 | if (!Arrays.equals(out, BYTES)) { |
| 66 | throw new Exception("Error with update(byte[])"); |
| 67 | } |
| 68 | out = nc.update(BYTES, 0, BYTES.length); |
| 69 | if (!Arrays.equals(out, BYTES)) { |
| 70 | throw new Exception("Error with update(byte[], int, int)"); |
| 71 | } |
| 72 | if (nc.update(BYTES, 0, BYTES.length, out) != BYTES.length) { |
| 73 | throw new Exception("Error with update(byte[], int, int, byte[])"); |
| 74 | } |
| 75 | if (nc.update(BYTES, 0, BYTES.length, out, 0) != BYTES.length) { |
| 76 | throw new Exception( |
| 77 | "Error with update(byte[], int, int, byte[], int)"); |
| 78 | } |
| 79 | // testing doFinal(...) |
| 80 | if (nc.doFinal() != null) { |
| 81 | throw new Exception("Error with doFinal()"); |
| 82 | } |
| 83 | if (nc.doFinal(out, 0) != 0) { |
| 84 | throw new Exception("Error with doFinal(byte[], 0)"); |
| 85 | } |
| 86 | out = nc.doFinal(BYTES); |
| 87 | if (!Arrays.equals(out, BYTES)) { |
| 88 | throw new Exception("Error with doFinal(byte[])"); |
| 89 | } |
| 90 | out = nc.doFinal(BYTES, 0, BYTES.length); |
| 91 | if (!Arrays.equals(out, BYTES)) { |
| 92 | throw new Exception("Error with doFinal(byte[], int, int)"); |
| 93 | } |
| 94 | if (nc.doFinal(BYTES, 0, BYTES.length, out) != BYTES.length) { |
| 95 | throw new Exception( |
| 96 | "Error with doFinal(byte[], int, int, byte[])"); |
| 97 | } |
| 98 | if (nc.doFinal(BYTES, 0, BYTES.length, out, 0) != BYTES.length) { |
| 99 | throw new Exception( |
| 100 | "Error with doFinal(byte[], int, int, byte[], int)"); |
| 101 | } |
| 102 | // testing getExemptionMechanism() |
| 103 | if (nc.getExemptionMechanism() != null) { |
| 104 | throw new Exception("Error with getExemptionMechanism()"); |
| 105 | } |
| 106 | // testing getOutputSize(int) |
| 107 | if (nc.getOutputSize(5) != 5) { |
| 108 | throw new Exception("Error with getOutputSize()"); |
| 109 | } |
| 110 | // testing getIV(), getParameters(), getAlgorithm(), etc. |
| 111 | if (nc.getIV() == null) { // should've been null; |
| 112 | // left it as is for backward-compatibility |
| 113 | throw new Exception("Error with getIV()"); |
| 114 | } |
| 115 | if (nc.getParameters() != null) { |
| 116 | throw new Exception("Error with getParameters()"); |
| 117 | } |
| 118 | if (nc.getAlgorithm() != null) { |
| 119 | throw new Exception("Error with getAlgorithm()"); |
| 120 | } |
| 121 | if (nc.getProvider() != null) { // not associated with any provider |
| 122 | throw new Exception("Error with getProvider()"); |
| 123 | } |
| 124 | System.out.println("Test Done"); |
| 125 | } |
| 126 | } |