1 /* 2 * Copyright (c) 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 8180392 27 * @summary Ensure SunJCE provider throws exception for unsupported modes 28 * and padding combinations 29 */ 30 import java.security.*; 31 import java.security.spec.AlgorithmParameterSpec; 32 import javax.crypto.*; 33 34 public class TestNoPaddingModes { 35 36 // SunJCE only supports NoPadding with following modes 37 private static final String[] MODES = { 38 "CTR", "CTS", "GCM" 39 }; 40 private static final String[] PADDINGS = { 41 "PKCS5Padding", "ISO10126Padding" 42 }; 43 44 public static void main(String[] args) throws Exception { 45 Provider p = Security.getProvider("SunJCE"); 46 String transformation; 47 for (String mode : MODES) { 48 for (String padding : PADDINGS) { 49 transformation = "AES/" + mode + "/" + padding; 50 51 System.out.println("Test using " + transformation); 52 try { 53 Cipher c = Cipher.getInstance(transformation, "SunJCE"); 54 throw new RuntimeException("=> Fail, no exception thrown"); 55 } catch (NoSuchAlgorithmException | NoSuchPaddingException ex) { 56 System.out.println("=> Expected ex: " + ex); 57 } 58 try { 59 Cipher c = Cipher.getInstance(transformation, p); 60 throw new RuntimeException("=> Fail, no exception thrown"); 61 } catch (NoSuchAlgorithmException | NoSuchPaddingException ex) { 62 System.out.println("=> Expected ex: " + ex); 63 } 64 } 65 } 66 System.out.println("Test Passed"); 67 } 68 69 public static class MyCipImpl extends CipherSpi { 70 public MyCipImpl() { 71 super(); 72 System.out.println("MyCipImpl is created"); 73 } 74 protected void engineSetMode(String mode) 75 throws NoSuchAlgorithmException {}; 76 protected void engineSetPadding(String padding) 77 throws NoSuchPaddingException {}; 78 protected int engineGetBlockSize() { return 16; } 79 protected int engineGetOutputSize(int inputLen) { return 0; } 80 protected byte[] engineGetIV() { return null; } 81 protected AlgorithmParameters engineGetParameters() { return null; } 82 protected void engineInit(int opmode, Key key, SecureRandom random) 83 throws InvalidKeyException {}; 84 protected void engineInit(int opmode, Key key, 85 AlgorithmParameterSpec params, 86 SecureRandom random) 87 throws InvalidKeyException, InvalidAlgorithmParameterException {}; 88 protected void engineInit(int opmode, Key key, 89 AlgorithmParameters params, 90 SecureRandom random) 91 throws InvalidKeyException, InvalidAlgorithmParameterException {}; 92 protected byte[] engineUpdate(byte[] input, int inputOffset, 93 int inputLen) { return null; } 94 protected int engineUpdate(byte[] input, int inputOffset, 95 int inputLen, byte[] output, 96 int outputOffset) 97 throws ShortBufferException { return 0; }; 98 protected byte[] engineDoFinal(byte[] input, int inputOffset, 99 int inputLen) 100 throws IllegalBlockSizeException, BadPaddingException { 101 return null; 102 } 103 protected int engineDoFinal(byte[] input, int inputOffset, 104 int inputLen, byte[] output, 105 int outputOffset) 106 throws ShortBufferException, IllegalBlockSizeException, 107 BadPaddingException { return 0; } 108 } 109 }