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 8209951 27 * @summary SIGBUS in com.sun.crypto.provider.CipherBlockChaining 28 * @run main/othervm/timeout=300 -Xbatch 29 * compiler.codegen.aes.TestCipherBlockChainingEncrypt 30 */ 31 32 package compiler.codegen.aes; 33 34 import java.io.PrintStream; 35 import java.security.*; 36 import java.util.Random; 37 import java.lang.reflect.Method; 38 import javax.crypto.Cipher; 39 import javax.crypto.SecretKey; 40 import javax.crypto.SecretKeyFactory; 41 import javax.crypto.spec.PBEKeySpec; 42 43 public class TestCipherBlockChainingEncrypt { 44 private static String algorithm = "PBEWithHmacSHA1AndAES_256"; 45 private static final String PBEPASS = "Hush, it's supposed to be a secret!"; 46 47 private static final int INPUT_LENGTH = 800; 48 private static final int[] OFFSETS = {0}; 49 private static final int NUM_PAD_BYTES = 8; 50 private static final int PBKDF2_ADD_PAD_BYTES = 8; 51 52 private static SecretKey key; 53 private static Cipher ci; 54 55 public static void main(String[] args) throws Exception { 56 for(int i=0; i<5_000; i++) { 57 if (!(new TestCipherBlockChainingEncrypt().test(args))) { 58 throw new RuntimeException("TestCipherBlockChainingEncrypt test failed"); 59 } 60 } 61 } 62 63 public boolean test(String[] args) throws Exception { 64 boolean result = true; 65 66 Provider p = Security.getProvider("SunJCE"); 67 ci = Cipher.getInstance(algorithm, p); 68 key = SecretKeyFactory.getInstance(algorithm, p).generateSecret( 69 new PBEKeySpec(PBEPASS.toCharArray())); 70 71 // generate input data 72 byte[] inputText = new byte[INPUT_LENGTH + NUM_PAD_BYTES 73 + PBKDF2_ADD_PAD_BYTES]; 74 new Random().nextBytes(inputText); 75 76 try { 77 // Encrypt 78 execute(Cipher.ENCRYPT_MODE, 79 inputText, 80 0, 81 INPUT_LENGTH); 82 83 // PBKDF2 required 16 byte padding 84 int padLength = NUM_PAD_BYTES + PBKDF2_ADD_PAD_BYTES; 85 86 // Decrypt 87 // Note: inputText is implicitly padded by the above encrypt 88 // operation so decrypt operation can safely proceed 89 execute(Cipher.DECRYPT_MODE, 90 inputText, 91 0, 92 INPUT_LENGTH + padLength); 93 94 } catch (Exception ex) { 95 ex.printStackTrace(System.out); 96 result = false; 97 } 98 return result; 99 } 100 101 private void execute(int edMode, byte[] inputText, int offset, int len) { 102 try { 103 // init Cipher 104 if (Cipher.ENCRYPT_MODE == edMode) { 105 ci.init(Cipher.ENCRYPT_MODE, this.key); 106 } else { 107 ci.init(Cipher.DECRYPT_MODE, this.key, ci.getParameters()); 108 } 109 110 // First, generate the cipherText at an allocated buffer 111 byte[] outputText = ci.doFinal(inputText, offset, len); 112 113 // Second, generate cipherText again at the same buffer of plainText 114 int myoff = offset / 2; 115 int off = ci.update(inputText, offset, len, inputText, myoff); 116 ci.doFinal(inputText, myoff + off); 117 118 // Compare to see whether the two results are the same or not 119 boolean e = equalsBlock(inputText, myoff, outputText, 0, 120 outputText.length); 121 } catch (Exception ex) { 122 System.out.println("Got unexpected exception for " + algorithm); 123 ex.printStackTrace(System.out); 124 } 125 } 126 127 private boolean equalsBlock(byte[] b1, int off1, 128 byte[] b2, int off2, int len) { 129 for (int i = off1, j = off2, k = 0; k < len; i++, j++, k++) { 130 if (b1[i] != b2[j]) { 131 return false; 132 } 133 } 134 return true; 135 } 136 }