1 /*
2 * Copyright (c) 2003, 2017, 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 /test/lib
31 * @modules jdk.crypto.cryptoki
32 * @run main/othervm -Djava.security.debug=sunpkcs11 TestKeyPairGenerator
33 * @run main/othervm -Djava.security.debug=sunpkcs11 TestKeyPairGenerator
34 * sm TestKeyPairGenerator.policy
35 * @key randomness
36 */
37
38 import java.math.BigInteger;
39 import java.security.KeyPair;
40 import java.security.KeyPairGenerator;
41 import java.security.PrivateKey;
42 import java.security.Provider;
43 import java.security.PublicKey;
44 import java.security.Signature;
45 import java.security.interfaces.RSAPrivateCrtKey;
46 import java.security.interfaces.RSAPublicKey;
47 import java.security.spec.RSAKeyGenParameterSpec;
48 import jdk.test.lib.RandomFactory;
49
50 public class TestKeyPairGenerator extends PKCS11Test {
51
52 private static Provider provider;
53
54 private static byte[] data;
55
56 private static void testSignature(String algorithm, PrivateKey privateKey,
57 PublicKey publicKey) throws Exception {
58 System.out.println("Testing " + algorithm + "...");
59 Signature s = Signature.getInstance(algorithm, provider);
60 s.initSign(privateKey);
61 s.update(data);
62 byte[] sig = s.sign();
63 s.initVerify(publicKey);
64 s.update(data);
65 boolean result = s.verify(sig);
66 if (result == false) {
67 throw new Exception("Verification failed");
68 }
69 }
70
71 private static void test(PrivateKey privateKey, PublicKey publicKey) throws Exception {
72 testSignature("MD2withRSA", privateKey, publicKey);
73 testSignature("MD5withRSA", privateKey, publicKey);
74 testSignature("SHA1withRSA", privateKey, publicKey);
75 testSignature("SHA224withRSA", privateKey, publicKey);
76 testSignature("SHA256withRSA", privateKey, publicKey);
77 RSAPublicKey rsaKey = (RSAPublicKey)publicKey;
78 if (rsaKey.getModulus().bitLength() > 512) {
79 // for SHA384 and SHA512 the data is too long for 512 bit keys
80 testSignature("SHA384withRSA", privateKey, publicKey);
81 testSignature("SHA512withRSA", privateKey, publicKey);
82 }
83 }
84
85 // regression test for 4865198
86 private static void testInvalidSignature(KeyPair kp1, KeyPair kp2) throws Exception {
87 System.out.println("Testing signature with incorrect key...");
88 Signature sig = Signature.getInstance("MD5withRSA", provider);
89 sig.initSign(kp1.getPrivate());
90 byte[] data = new byte[100];
91 sig.update(data);
92 byte[] signature = sig.sign();
93 sig.initVerify(kp1.getPublic());
94 sig.update(data);
95 if (sig.verify(signature) == false) {
96 throw new Exception("verification failed");
97 }
98 sig.initVerify(kp2.getPublic());
99 sig.update(data);
100 // verify needs to return false and not throw an Exception
101 if (sig.verify(signature)) {
102 throw new Exception("verification unexpectedly succeeded");
103 }
104 }
105
106 public static void main(String[] args) throws Exception {
107 main(new TestKeyPairGenerator(), args);
108 }
109
110 @Override
111 public void main(Provider p) throws Exception {
112 long start = System.currentTimeMillis();
113 provider = p;
114 data = new byte[2048];
115 // keypair generation is very slow, test only a few short keys
116 int[] keyLengths = {512, 512, 1024};
117 BigInteger[] pubExps = {null, RSAKeyGenParameterSpec.F4, null};
118 KeyPair[] keyPairs = new KeyPair[3];
119 RandomFactory.getRandom().nextBytes(data);
120 KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", provider);
121 for (int i = 0; i < keyLengths.length; i++) {
122 int len = keyLengths[i];
123 BigInteger exp = pubExps[i];
124 System.out.println("Generating " + len + " bit keypair...");
125 if (exp == null) {
126 kpg.initialize(len);
127 } else {
128 kpg.initialize(new RSAKeyGenParameterSpec(len, exp));
129 }
130 KeyPair kp = kpg.generateKeyPair();
131 keyPairs[i] = kp;
132 RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();
133 System.out.println(publicKey);
134 RSAPrivateCrtKey privateKey = (RSAPrivateCrtKey)kp.getPrivate();
135 if (publicKey.getModulus().equals(privateKey.getModulus()) == false) {
136 throw new Exception("Moduli do not match");
137 }
138 if (publicKey.getPublicExponent().equals(privateKey.getPublicExponent()) == false) {
139 throw new Exception("Exponents do not match");
140 }
141 int keyLen = publicKey.getModulus().bitLength();
142 if ((keyLen > len) || (keyLen < len - 1)) {
143 throw new Exception("Incorrect key length: " + keyLen);
144 }
145 if (exp != null) {
146 if (exp.equals(publicKey.getPublicExponent()) == false) {
147 throw new Exception("Incorrect exponent");
148 }
149 }
150 test(privateKey, publicKey);
151 }
152 testInvalidSignature(keyPairs[0], keyPairs[1]);
153 testInvalidSignature(keyPairs[0], keyPairs[2]);
154 long stop = System.currentTimeMillis();
155 System.out.println("All tests passed (" + (stop - start) + " ms).");
156 }
157 }