1 /*
2 * Copyright (c) 2012, 2016, 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 6414899
27 * @summary Ensure the cloning functionality works.
28 * @author Valerie Peng
29 * @library ..
30 * @key randomness
31 * @modules jdk.crypto.pkcs11
32 * @run main/othervm TestCloning
33 * @run main/othervm TestCloning sm
34 */
35
36 import java.security.MessageDigest;
37 import java.security.Provider;
38 import java.util.Arrays;
39 import java.util.Random;
40
41 public class TestCloning extends PKCS11Test {
42
43 private static final String[] ALGOS = {
44 "MD2", "MD5", "SHA1", "SHA-224", "SHA-256", "SHA-384", "SHA-512"
45 };
46
47 public static void main(String[] args) throws Exception {
48 main(new TestCloning(), args);
49 }
50
51 private static final byte[] data1 = new byte[10];
52 private static final byte[] data2 = new byte[10*1024];
53
54
55 @Override
56 public void main(Provider p) throws Exception {
57 Random r = new Random();
58 byte[] data1 = new byte[10];
59 byte[] data2 = new byte[2*1024];
60 r.nextBytes(data1);
61 r.nextBytes(data2);
62 System.out.println("Testing against provider " + p.getName());
63 for (int i = 0; i < ALGOS.length; i++) {
64 if (p.getService("MessageDigest", ALGOS[i]) == null) {
65 System.out.println(ALGOS[i] + " is not supported, skipping");
66 continue;
67 } else {
68 System.out.println("Testing " + ALGOS[i] + " of " + p.getName());
69 MessageDigest md = MessageDigest.getInstance(ALGOS[i], p);
70 try {
71 md = testCloning(md, p);
72 // repeat the test again after generating digest once
73 for (int j = 0; j < 10; j++) {
74 md = testCloning(md, p);
75 }
76 } catch (Exception ex) {
77 if (ALGOS[i] == "MD2" &&
78 p.getName().equalsIgnoreCase("SunPKCS11-NSS")) {
79 // known bug in NSS; ignore for now
80 System.out.println("Ignore Known bug in MD2 of NSS");
81 continue;
82 }
83 throw ex;
84 }
85 }
86 }
87 }
88
89 private static MessageDigest testCloning(MessageDigest mdObj, Provider p)
90 throws Exception {
91
92 // copy#0: clone at state BLANK w/o any data
93 MessageDigest mdCopy0 = (MessageDigest) mdObj.clone();
94
95 // copy#1: clone again at state BUFFERED w/ very short data
96 mdObj.update(data1);
97 mdCopy0.update(data1);
98 MessageDigest mdCopy1 = (MessageDigest) mdObj.clone();
99
100 // copy#2: clone again after updating it w/ long data to trigger
101 // the state into INIT
102 mdObj.update(data2);
103 mdCopy0.update(data2);
104 mdCopy1.update(data2);
105 MessageDigest mdCopy2 = (MessageDigest) mdObj.clone();
106
107 // copy#3: clone again after updating it w/ very short data
108 mdObj.update(data1);
109 mdCopy0.update(data1);
110 mdCopy1.update(data1);
111 mdCopy2.update(data1);
112 MessageDigest mdCopy3 = (MessageDigest) mdObj.clone();
113
114 // copy#4: clone again after updating it w/ long data
115 mdObj.update(data2);
116 mdCopy0.update(data2);
117 mdCopy1.update(data2);
118 mdCopy2.update(data2);
119 mdCopy3.update(data2);
120 MessageDigest mdCopy4 = (MessageDigest) mdObj.clone();
121
122 // check digest equalities
123 byte[] answer = mdObj.digest();
124 byte[] result0 = mdCopy0.digest();
125 byte[] result1 = mdCopy1.digest();
126 byte[] result2 = mdCopy2.digest();
127 byte[] result3 = mdCopy3.digest();
128 byte[] result4 = mdCopy4.digest();
129
130
131 check(answer, result0, "copy0");
132 check(answer, result1, "copy1");
133 check(answer, result2, "copy2");
134 check(answer, result3, "copy3");
135 check(answer, result4, "copy4");
136
137 return mdCopy3;
138 }
139
140 private static void check(byte[] d1, byte[] d2, String copyName)
141 throws Exception {
142 if (Arrays.equals(d1, d2) == false) {
143 throw new RuntimeException(copyName + " digest mismatch!");
144 }
145 }
146 }
147