| /* |
| * Copyright (c) 2019, 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 8209951 |
| * @summary SIGBUS in com.sun.crypto.provider.CipherBlockChaining |
| * @library /test/lib / |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission |
| * |
| * @run main/othervm -Xbatch |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. |
| * compiler.codegen.aes.TestCipherBlockChainingEncrypt |
| */ |
| |
| package compiler.codegen.aes; |
| |
| import java.io.PrintStream; |
| import java.security.*; |
| import java.util.Random; |
| import java.lang.reflect.Method; |
| import javax.crypto.Cipher; |
| import javax.crypto.SecretKey; |
| import javax.crypto.SecretKeyFactory; |
| import javax.crypto.spec.PBEKeySpec; |
| |
| import compiler.whitebox.CompilerWhiteBoxTest; |
| import sun.hotspot.code.Compiler; |
| import jtreg.SkippedException; |
| |
| public class TestCipherBlockChainingEncrypt { |
| private static String algorithm = "PBEWithHmacSHA1AndAES_256"; |
| private static final String PBEPASS = "Hush, it's supposed to be a secret!"; |
| |
| private static final int INPUT_LENGTH = 800; |
| private static final int[] OFFSETS = {0}; |
| private static final int NUM_PAD_BYTES = 8; |
| private static final int PBKDF2_ADD_PAD_BYTES = 8; |
| |
| private static SecretKey key; |
| private static Cipher ci; |
| |
| public static void main(String[] args) throws Exception { |
| if (!Compiler.isIntrinsicAvailable(CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION, "com.sun.crypto.provider.CipherBlockChaining", "implEncrypt", byte[].class, int.class, int.class, byte[].class, int.class)) { |
| throw new SkippedException("Base64 intrinsic is not available"); |
| } |
| for(int i=0; i<2_000; i++) { |
| if (!(new TestCipherBlockChainingEncrypt().test(args))) { |
| throw new RuntimeException("TestCipherBlockChainingEncrypt test failed"); |
| } |
| } |
| } |
| |
| public boolean test(String[] args) throws Exception { |
| boolean result = true; |
| |
| Provider p = Security.getProvider("SunJCE"); |
| ci = Cipher.getInstance(algorithm, p); |
| key = SecretKeyFactory.getInstance(algorithm, p).generateSecret( |
| new PBEKeySpec(PBEPASS.toCharArray())); |
| |
| // generate input data |
| byte[] inputText = new byte[INPUT_LENGTH + NUM_PAD_BYTES |
| + PBKDF2_ADD_PAD_BYTES]; |
| new Random().nextBytes(inputText); |
| |
| try { |
| // Encrypt |
| execute(Cipher.ENCRYPT_MODE, |
| inputText, |
| 0, |
| INPUT_LENGTH); |
| |
| // PBKDF2 required 16 byte padding |
| int padLength = NUM_PAD_BYTES + PBKDF2_ADD_PAD_BYTES; |
| |
| // Decrypt |
| // Note: inputText is implicitly padded by the above encrypt |
| // operation so decrypt operation can safely proceed |
| execute(Cipher.DECRYPT_MODE, |
| inputText, |
| 0, |
| INPUT_LENGTH + padLength); |
| |
| } catch (Exception ex) { |
| ex.printStackTrace(System.out); |
| result = false; |
| } |
| return result; |
| } |
| |
| private void execute(int edMode, byte[] inputText, int offset, int len) { |
| try { |
| // init Cipher |
| if (Cipher.ENCRYPT_MODE == edMode) { |
| ci.init(Cipher.ENCRYPT_MODE, this.key); |
| } else { |
| ci.init(Cipher.DECRYPT_MODE, this.key, ci.getParameters()); |
| } |
| |
| // First, generate the cipherText at an allocated buffer |
| byte[] outputText = ci.doFinal(inputText, offset, len); |
| |
| // Second, generate cipherText again at the same buffer of plainText |
| int myoff = offset / 2; |
| int off = ci.update(inputText, offset, len, inputText, myoff); |
| ci.doFinal(inputText, myoff + off); |
| |
| // Compare to see whether the two results are the same or not |
| boolean e = equalsBlock(inputText, myoff, outputText, 0, |
| outputText.length); |
| } catch (Exception ex) { |
| System.out.println("Got unexpected exception for " + algorithm); |
| ex.printStackTrace(System.out); |
| } |
| } |
| |
| private boolean equalsBlock(byte[] b1, int off1, |
| byte[] b2, int off2, int len) { |
| for (int i = off1, j = off2, k = 0; k < len; i++, j++, k++) { |
| if (b1[i] != b2[j]) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |