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 * @library /test/lib /
29 * @build sun.hotspot.WhiteBox
30 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
31 *
32 * @run main/othervm -Xbatch
33 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
34 * compiler.codegen.aes.TestCipherBlockChainingEncrypt
35 */
36
37 package compiler.codegen.aes;
38
39 import java.io.PrintStream;
40 import java.security.*;
41 import java.util.Random;
42 import java.lang.reflect.Method;
43 import javax.crypto.Cipher;
44 import javax.crypto.SecretKey;
45 import javax.crypto.SecretKeyFactory;
46 import javax.crypto.spec.PBEKeySpec;
47
48 import compiler.whitebox.CompilerWhiteBoxTest;
49 import sun.hotspot.code.Compiler;
50 import jtreg.SkippedException;
51
52 public class TestCipherBlockChainingEncrypt {
53 private static String algorithm = "PBEWithHmacSHA1AndAES_256";
54 private static final String PBEPASS = "Hush, it's supposed to be a secret!";
55
56 private static final int INPUT_LENGTH = 800;
57 private static final int[] OFFSETS = {0};
58 private static final int NUM_PAD_BYTES = 8;
59 private static final int PBKDF2_ADD_PAD_BYTES = 8;
60
61 private static SecretKey key;
62 private static Cipher ci;
63
64 public static void main(String[] args) throws Exception {
65 if (!Compiler.isIntrinsicAvailable(CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION, "com.sun.crypto.provider.CipherBlockChaining", "implEncrypt", byte[].class, int.class, int.class, byte[].class, int.class)) {
66 throw new SkippedException("Base64 intrinsic is not available");
67 }
68 for(int i=0; i<2_000; i++) {
69 if (!(new TestCipherBlockChainingEncrypt().test(args))) {
70 throw new RuntimeException("TestCipherBlockChainingEncrypt test failed");
71 }
72 }
73 }
74
75 public boolean test(String[] args) throws Exception {
76 boolean result = true;
77
78 Provider p = Security.getProvider("SunJCE");
79 ci = Cipher.getInstance(algorithm, p);
80 key = SecretKeyFactory.getInstance(algorithm, p).generateSecret(
81 new PBEKeySpec(PBEPASS.toCharArray()));
82
83 // generate input data
84 byte[] inputText = new byte[INPUT_LENGTH + NUM_PAD_BYTES
85 + PBKDF2_ADD_PAD_BYTES];
86 new Random().nextBytes(inputText);
87
88 try {
89 // Encrypt
90 execute(Cipher.ENCRYPT_MODE,
91 inputText,
92 0,
93 INPUT_LENGTH);
94
95 // PBKDF2 required 16 byte padding
96 int padLength = NUM_PAD_BYTES + PBKDF2_ADD_PAD_BYTES;
97
98 // Decrypt
99 // Note: inputText is implicitly padded by the above encrypt
100 // operation so decrypt operation can safely proceed
101 execute(Cipher.DECRYPT_MODE,
102 inputText,
103 0,
104 INPUT_LENGTH + padLength);
105
106 } catch (Exception ex) {
107 ex.printStackTrace(System.out);
108 result = false;
109 }
110 return result;
111 }
112
113 private void execute(int edMode, byte[] inputText, int offset, int len) {
114 try {
115 // init Cipher
116 if (Cipher.ENCRYPT_MODE == edMode) {
117 ci.init(Cipher.ENCRYPT_MODE, this.key);
118 } else {
119 ci.init(Cipher.DECRYPT_MODE, this.key, ci.getParameters());
120 }
121
122 // First, generate the cipherText at an allocated buffer
123 byte[] outputText = ci.doFinal(inputText, offset, len);
124
125 // Second, generate cipherText again at the same buffer of plainText
126 int myoff = offset / 2;
127 int off = ci.update(inputText, offset, len, inputText, myoff);
128 ci.doFinal(inputText, myoff + off);
129
130 // Compare to see whether the two results are the same or not
131 boolean e = equalsBlock(inputText, myoff, outputText, 0,
132 outputText.length);
133 } catch (Exception ex) {
134 System.out.println("Got unexpected exception for " + algorithm);
135 ex.printStackTrace(System.out);
136 }
137 }
138
139 private boolean equalsBlock(byte[] b1, int off1,
140 byte[] b2, int off2, int len) {
141 for (int i = off1, j = off2, k = 0; k < len; i++, j++, k++) {
142 if (b1[i] != b2[j]) {
143 return false;
144 }
145 }
146 return true;
147 }
148 }