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