1 /*
2 * Copyright (c) 2018, 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 8146293
27 * @summary Test RSASSA-PSS Key related support such as KeyPairGenerator
28 * and KeyFactory of the SunRsaSign provider
29 */
30
31 import java.io.*;
32 import java.util.*;
33 import java.math.BigInteger;
34
35 import java.security.*;
36 import java.security.interfaces.*;
37 import java.security.spec.*;
38
39 public class TestPSSKeySupport {
40
41 private static final String ALGO = "RSASSA-PSS";
42
43 /**
44 * Test that key1 (reference key) and key2 (key to be tested) are
45 * equivalent
46 */
47 private static void testKey(Key key1, Key key2) throws Exception {
48 if (key2.getAlgorithm().equals(ALGO) == false) {
49 throw new Exception("Algorithm not " + ALGO);
50 }
51 if (key1 instanceof PublicKey) {
52 if (key2.getFormat().equals("X.509") == false) {
53 throw new Exception("Format not X.509");
54 }
55 } else if (key1 instanceof PrivateKey) {
56 if (key2.getFormat().equals("PKCS#8") == false) {
57 throw new Exception("Format not PKCS#8");
58 }
59 }
60 if (key1.equals(key2) == false) {
61 throw new Exception("Keys not equal");
62 }
63 if (Arrays.equals(key1.getEncoded(), key2.getEncoded()) == false) {
64 throw new Exception("Encodings not equal");
65 }
66 }
67
68 private static void testPublic(KeyFactory kf, PublicKey key) throws Exception {
69 System.out.println("Testing public key...");
70 PublicKey key2 = (PublicKey)kf.translateKey(key);
71 KeySpec rsaSpec = kf.getKeySpec(key, RSAPublicKeySpec.class);
72 PublicKey key3 = kf.generatePublic(rsaSpec);
73 KeySpec x509Spec = kf.getKeySpec(key, X509EncodedKeySpec.class);
74 PublicKey key4 = kf.generatePublic(x509Spec);
75 KeySpec x509Spec2 = new X509EncodedKeySpec(key.getEncoded());
76 PublicKey key5 = kf.generatePublic(x509Spec2);
77 testKey(key, key);
78 testKey(key, key2);
79 testKey(key, key3);
80 testKey(key, key4);
81 testKey(key, key5);
82 }
83
84 private static void testPrivate(KeyFactory kf, PrivateKey key) throws Exception {
85 System.out.println("Testing private key...");
86 PrivateKey key2 = (PrivateKey)kf.translateKey(key);
87 KeySpec rsaSpec = kf.getKeySpec(key, RSAPrivateCrtKeySpec.class);
88 PrivateKey key3 = kf.generatePrivate(rsaSpec);
89 KeySpec pkcs8Spec = kf.getKeySpec(key, PKCS8EncodedKeySpec.class);
90 PrivateKey key4 = kf.generatePrivate(pkcs8Spec);
91 KeySpec pkcs8Spec2 = new PKCS8EncodedKeySpec(key.getEncoded());
92 PrivateKey key5 = kf.generatePrivate(pkcs8Spec2);
93 testKey(key, key);
94 testKey(key, key2);
95 testKey(key, key3);
96 testKey(key, key4);
97 testKey(key, key5);
98
99 KeySpec rsaSpec2 = kf.getKeySpec(key, RSAPrivateKeySpec.class);
100 PrivateKey key6 = kf.generatePrivate(rsaSpec2);
101 RSAPrivateKey rsaKey = (RSAPrivateKey)key;
102 KeySpec rsaSpec3 = new RSAPrivateKeySpec(rsaKey.getModulus(),
103 rsaKey.getPrivateExponent(), rsaKey.getParams());
104 PrivateKey key7 = kf.generatePrivate(rsaSpec3);
105 testKey(key6, key6);
106 testKey(key6, key7);
107 }
108
109 private static void test(KeyFactory kf, Key key) throws Exception {
110 if (key.getAlgorithm().equals(ALGO) == false) {
111 throw new Exception("Error: key algo should be " + ALGO);
112 }
113 if (key instanceof PublicKey) {
114 testPublic(kf, (PublicKey)key);
115 } else if (key instanceof PrivateKey) {
116 testPrivate(kf, (PrivateKey)key);
117 }
118 }
119
120 private static void checkKeyPair(KeyPair kp) throws Exception {
121 PublicKey pubKey = kp.getPublic();
122 if (!(pubKey instanceof RSAPublicKey)) {
123 throw new Exception("Error: public key should be RSAPublicKey");
124 }
125 PrivateKey privKey = kp.getPrivate();
126 if (!(privKey instanceof RSAPrivateKey)) {
127 throw new Exception("Error: private key should be RSAPrivateKey");
128 }
129 }
130
131 public static void main(String[] args) throws Exception {
132 KeyPairGenerator kpg =
133 KeyPairGenerator.getInstance(ALGO, "SunRsaSign");
134
135 // Algorithm-Independent Initialization
136 kpg.initialize(2048);
137 KeyPair kp = kpg.generateKeyPair();
138 checkKeyPair(kp);
139 BigInteger pubExp = ((RSAPublicKey)kp.getPublic()).getPublicExponent();
140
141 // Algorithm-specific Initialization
142 PSSParameterSpec params = new PSSParameterSpec("SHA-256", "MGF1",
143 MGF1ParameterSpec.SHA256, 32, 1);
144 kpg.initialize(new RSAKeyGenParameterSpec(2048, pubExp, params));
145 KeyPair kp2 = kpg.generateKeyPair();
146 checkKeyPair(kp2);
147
148 KeyFactory kf = KeyFactory.getInstance(ALGO, "SunRsaSign");
149 test(kf, kp.getPublic());
150 test(kf, kp.getPrivate());
151 }
152 }