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 import java.io.BufferedReader;
25 import java.io.File;
26 import java.io.FileInputStream;
27 import java.io.IOException;
28 import java.io.InputStreamReader;
29 import java.security.*;
30 import java.security.spec.*;
31 import java.security.interfaces.*;
32 import java.util.ArrayList;
33 import java.util.List;
34
35 /*
36 * @test
37 * @bug 8146293
38 * @summary Known Answer Tests based on NIST 186-3 at:
39 * @compile SigRecord.java
40 * @run main/othervm TestSigGenPSS
41 */
42 public class TestSigGenPSS {
43
44 private static final String[] testFiles = {
45 "SigGenPSS_186-3.txt", "SigGenPSS_186-3_TruncatedSHAs.txt"
46 };
47
48 static final class MyKnownRandomSrc extends SecureRandom {
49 final byte[] srcBytes;
50 int numBytes;
51
52 MyKnownRandomSrc(String srcString) {
53 this.srcBytes = SigRecord.toByteArray(srcString);
54 this.numBytes = this.srcBytes.length;
55 }
56 @Override
57 public void nextBytes(byte[] bytes) {
58 if (bytes.length > numBytes) {
59 throw new RuntimeException("Not enough bytes, need "
60 + bytes.length + ", got " + numBytes);
61 }
62 System.arraycopy(this.srcBytes, this.srcBytes.length - numBytes, bytes, 0, bytes.length);
63 numBytes -= bytes.length;
64 }
65
66 }
67
68 public static void main(String[] args) throws Exception {
69 //for (Provider provider : Security.getProviders()) {
70 Provider p = Security.getProvider("SunRsaSign");
71 Signature sig;
72 try {
73 sig = Signature.getInstance("RSASSA-PSS", p);
74 } catch (NoSuchAlgorithmException e) {
75 System.out.println("Skip testing RSASSA-PSS" +
76 " due to no support");
77 return;
78 }
79
80 boolean success = true;
81 for (String f : testFiles) {
82 System.out.println("[INPUT FILE " + f + "]");
83 try {
84 success &= runTest(SigRecord.read(f), sig);
85 } catch (IOException e) {
86 System.out.println("Unexpected exception: " + e);
87 e.printStackTrace(System.out);
88 success = false;
89 }
90 }
91
92 if (!success) {
93 throw new RuntimeException("One or more test failed");
94 }
95 System.out.println("Test passed");
96 }
97
98 /*
99 * Run all the tests in the data list with specified algorithm
100 */
101 static boolean runTest(List<SigRecord> records, Signature sig) throws Exception {
102 boolean success = true;
103 KeyFactory kf = KeyFactory.getInstance("RSA", sig.getProvider());
104 for (SigRecord sr : records) {
105 System.out.println("==Testing Record : " + sr + "==");
106 PrivateKey privKey = kf.generatePrivate(sr.privKeySpec);
107 PublicKey pubKey = kf.generatePublic(sr.pubKeySpec);
108 success &= check(sig, privKey, pubKey, sr.testVectors);
109 System.out.println("==Done==");
110 }
111 return success;
112 }
113
114 /*
115 * Generate the signature, check against known values and verify.
116 */
117 static boolean check(Signature sig, PrivateKey privKey, PublicKey pubKey,
118 List<SigRecord.SigVector> vectors) throws Exception {
119
120 boolean success = true;
121 for (SigRecord.SigVector v : vectors) {
122 System.out.println("\tAgainst " + v.mdAlg);
123 byte[] msgBytes = SigRecord.toByteArray(v.msg);
124 byte[] expSigBytes = SigRecord.toByteArray(v.sig);
125
126 MyKnownRandomSrc saltSrc = new MyKnownRandomSrc(v.salt);
127 sig.initSign(privKey, saltSrc);
128 PSSParameterSpec params = new PSSParameterSpec(v.mdAlg, "MGF1",
129 new MGF1ParameterSpec(v.mdAlg), saltSrc.numBytes, 1);
130 sig.setParameter(params);
131 sig.update(msgBytes);
132 byte[] actualSigBytes = sig.sign();
133
134 // Check if the supplied salt bytes are used up
135 if (saltSrc.numBytes != 0) {
136 throw new RuntimeException("Error: salt length mismatch! "
137 + saltSrc.numBytes + " bytes leftover");
138 }
139
140 success &= MessageDigest.isEqual(actualSigBytes, expSigBytes);
141
142 if (!success) {
143 System.out.println("\tFailed:");
144 System.out.println("\tSHAALG = " + v.mdAlg);
145 System.out.println("\tMsg = " + v.msg);
146 System.out.println("\tSalt = " + v.salt);
147 System.out.println("\tExpected Sig = " + v.sig);
148 System.out.println("\tActual Sig = " + SigRecord.toHexString(actualSigBytes));
149 } else {
150 System.out.println("\t" + v.mdAlg + " Test Vector Passed");
151 }
152 }
153 return success;
154 }
155 }