1 /*
2 * Copyright (c) 2003, 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 4856966
27 * @summary Verify that the RSA KeyPairGenerator works (use -Dseed=X to set PRNG seed)
28 * @author Andreas Sterbenz
29 * @library ..
30 * @library /lib/testlibrary
31 * @build jdk.testlibrary.*
32 * @modules jdk.crypto.token
33 * @run main/othervm -Djava.security.debug=sunpkcs11 TestKeyPairGenerator
34 * @run main/othervm -Djava.security.debug=sunpkcs11 TestKeyPairGenerator
35 * sm TestKeyPairGenerator.policy
36 * @key randomness
37 */
38
39 import java.math.BigInteger;
40 import java.security.KeyPair;
41 import java.security.KeyPairGenerator;
42 import java.security.PrivateKey;
43 import java.security.Provider;
44 import java.security.PublicKey;
45 import java.security.Signature;
46 import java.security.interfaces.RSAPrivateCrtKey;
47 import java.security.interfaces.RSAPublicKey;
48 import java.security.spec.RSAKeyGenParameterSpec;
49 import jdk.testlibrary.RandomFactory;
50
51 public class TestKeyPairGenerator extends PKCS11Test {
52
53 private static Provider provider;
54
55 private static byte[] data;
56
57 private static void testSignature(String algorithm, PrivateKey privateKey,
58 PublicKey publicKey) throws Exception {
59 System.out.println("Testing " + algorithm + "...");
60 Signature s = Signature.getInstance(algorithm, provider);
61 s.initSign(privateKey);
62 s.update(data);
63 byte[] sig = s.sign();
64 s.initVerify(publicKey);
65 s.update(data);
66 boolean result = s.verify(sig);
67 if (result == false) {
68 throw new Exception("Verification failed");
69 }
70 }
71
72 private static void test(PrivateKey privateKey, PublicKey publicKey) throws Exception {
73 testSignature("MD2withRSA", privateKey, publicKey);
74 testSignature("MD5withRSA", privateKey, publicKey);
75 testSignature("SHA1withRSA", privateKey, publicKey);
76 testSignature("SHA224withRSA", privateKey, publicKey);
77 testSignature("SHA256withRSA", privateKey, publicKey);
78 RSAPublicKey rsaKey = (RSAPublicKey)publicKey;
79 if (rsaKey.getModulus().bitLength() > 512) {
80 // for SHA384 and SHA512 the data is too long for 512 bit keys
81 testSignature("SHA384withRSA", privateKey, publicKey);
82 testSignature("SHA512withRSA", privateKey, publicKey);
83 }
84 }
85
86 // regression test for 4865198
87 private static void testInvalidSignature(KeyPair kp1, KeyPair kp2) throws Exception {
88 System.out.println("Testing signature with incorrect key...");
89 Signature sig = Signature.getInstance("MD5withRSA", provider);
90 sig.initSign(kp1.getPrivate());
91 byte[] data = new byte[100];
92 sig.update(data);
93 byte[] signature = sig.sign();
94 sig.initVerify(kp1.getPublic());
95 sig.update(data);
96 if (sig.verify(signature) == false) {
97 throw new Exception("verification failed");
98 }
99 sig.initVerify(kp2.getPublic());
100 sig.update(data);
101 // verify needs to return false and not throw an Exception
102 if (sig.verify(signature)) {
103 throw new Exception("verification unexpectedly succeeded");
104 }
105 }
106
107 public static void main(String[] args) throws Exception {
108 main(new TestKeyPairGenerator(), args);
109 }
110
111 @Override
112 public void main(Provider p) throws Exception {
113 long start = System.currentTimeMillis();
114 provider = p;
115 data = new byte[2048];
116 // keypair generation is very slow, test only a few short keys
117 int[] keyLengths = {512, 512, 1024};
118 BigInteger[] pubExps = {null, RSAKeyGenParameterSpec.F4, null};
119 KeyPair[] keyPairs = new KeyPair[3];
120 RandomFactory.getRandom().nextBytes(data);
121 KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", provider);
122 for (int i = 0; i < keyLengths.length; i++) {
123 int len = keyLengths[i];
124 BigInteger exp = pubExps[i];
125 System.out.println("Generating " + len + " bit keypair...");
126 if (exp == null) {
127 kpg.initialize(len);
128 } else {
129 kpg.initialize(new RSAKeyGenParameterSpec(len, exp));
130 }
131 KeyPair kp = kpg.generateKeyPair();
132 keyPairs[i] = kp;
133 RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();
134 System.out.println(publicKey);
135 RSAPrivateCrtKey privateKey = (RSAPrivateCrtKey)kp.getPrivate();
136 if (publicKey.getModulus().equals(privateKey.getModulus()) == false) {
137 throw new Exception("Moduli do not match");
138 }
139 if (publicKey.getPublicExponent().equals(privateKey.getPublicExponent()) == false) {
140 throw new Exception("Exponents do not match");
141 }
142 int keyLen = publicKey.getModulus().bitLength();
143 if ((keyLen > len) || (keyLen < len - 1)) {
144 throw new Exception("Incorrect key length: " + keyLen);
145 }
146 if (exp != null) {
147 if (exp.equals(publicKey.getPublicExponent()) == false) {
148 throw new Exception("Incorrect exponent");
149 }
150 }
151 test(privateKey, publicKey);
152 }
153 testInvalidSignature(keyPairs[0], keyPairs[1]);
154 testInvalidSignature(keyPairs[0], keyPairs[2]);
155 long stop = System.currentTimeMillis();
156 System.out.println("All tests passed (" + (stop - start) + " ms).");
157 }
158 }