1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/*
* Copyright (c) 2018, 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 8184359
* @summary KeyPairGenerator Test with multiple threads.
* Arguments order <KeyExchangeAlgorithm> <Provider> <KeyGenAlgorithm> <Curve*>
* @run main MultiThreadTest DiffieHellman SunJCE DiffieHellman
* @run main MultiThreadTest ECDH SunEC EC
* @run main MultiThreadTest XDH SunEC XDH X25519
* @run main MultiThreadTest XDH SunEC XDH X448
*/
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.util.Arrays;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import javax.crypto.KeyAgreement;
/**
* This test targets KeyPairGenerator API related issue in a multi threaded
* context.
*/
public class MultiThreadTest {
// Tested a shared KeyPairGenerator with 100 number of threads.
private static final int THREAD_COUNT = 100;
public static void main(String[] args) throws Exception {
String kaAlgo = args[0];
String provider = args[1];
String kpgAlgo = args[2];
KeyPairGenerator kpg = genKeyGenerator(provider, kpgAlgo,
(args.length > 3) ? args[3] : kpgAlgo);
new MultiThreadTest().runTest(provider, kaAlgo, kpg);
}
/**
* Initialize KeyPairGenerator based on different algorithm names.
*/
private static KeyPairGenerator genKeyGenerator(String provider,
String kpgAlgo, String kpgInit) throws Exception {
KeyPairGenerator kpg = KeyPairGenerator.getInstance(kpgAlgo, provider);
switch (kpgInit) {
case "DiffieHellman":
kpg.initialize(512);
break;
case "EC":
kpg.initialize(256);
break;
case "X25519":
kpg.initialize(255);
break;
case "X448":
kpg.initialize(448);
break;
default:
throw new RuntimeException("Invalid Algo name " + kpgInit);
}
return kpg;
}
private void runTest(String provider, String kaAlgo, KeyPairGenerator kpg)
throws Exception {
ExecutorService executor = null;
try {
executor = Executors.newCachedThreadPool(new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
Thread t = Executors.defaultThreadFactory().newThread(r);
t.setDaemon(true);
return t;
}
});
CountDownLatch latch = new CountDownLatch(THREAD_COUNT);
for (int i = 0; i < THREAD_COUNT; i++) {
executor.execute(new Runnable() {
@Override
public void run() {
try {
testKeyAgreement(provider, kaAlgo, kpg);
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
// Indicate a task completed.
latch.countDown();
}
}
});
}
// Wait till all tasks get complete.
latch.await();
} finally {
if (executor != null) {
executor.shutdown();
}
}
}
/**
* Perform KeyAgreement operation with a shared KeyPairGenerator instance.
*/
private static void testKeyAgreement(String provider, String kaAlgo,
KeyPairGenerator kpg) throws Exception {
KeyPair kp1 = kpg.generateKeyPair();
KeyPair kp2 = kpg.generateKeyPair();
KeyAgreement ka1 = KeyAgreement.getInstance(kaAlgo, provider);
ka1.init(kp1.getPrivate());
ka1.doPhase(kp2.getPublic(), true);
byte[] secret1 = ka1.generateSecret();
KeyAgreement ka2 = KeyAgreement.getInstance(kaAlgo, provider);
ka2.init(kp2.getPrivate());
ka2.doPhase(kp1.getPublic(), true);
byte[] secret2 = ka2.generateSecret();
// With related keypairs, generated KeyAgreement secret should be same.
if (!Arrays.equals(secret1, secret2)) {
throw new Exception("KeyAgreement secret mismatch.");
}
}
}
|
