1 /* 2 * Copyright (c) 2003, 2005, 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 basic test of SHA1withDSA and RawDSA signing/verifying 28 * @author Andreas Sterbenz 29 * @library .. 30 */ 31 32 import java.io.*; 33 import java.util.*; 34 import java.math.BigInteger; 35 36 import java.security.*; 37 import java.security.spec.*; 38 39 public class TestDSA extends PKCS11Test { 40 41 // values of the keys we use for the tests 42 43 private final static String ps = 44 "fd7f53811d75122952df4a9c2eece4e7f611b7523cef4400c31e3f80b6512669" + 45 "455d402251fb593d8d58fabfc5f5ba30f6cb9b556cd7813b801d346ff26660b7" + 46 "6b9950a5a49f9fe8047b1022c24fbba9d7feb7c61bf83b57e7c6a8a6150f04fb" + 47 "83f6d3c51ec3023554135a169132f675f3ae2b61d72aeff22203199dd14801c7"; 48 49 private final static String qs = 50 "9760508f15230bccb292b982a2eb840bf0581cf5"; 51 52 private final static String gs = 53 "f7e1a085d69b3ddecbbcab5c36b857b97994afbbfa3aea82f9574c0b3d078267" + 54 "5159578ebad4594fe67107108180b449167123e84c281613b7cf09328cc8a6e1" + 55 "3c167a8b547c8d28e0a3ae1e2bb3a675916ea37f0bfa213562f1fb627a01243b" + 56 "cca4f1bea8519089a883dfe15ae59f06928b665e807b552564014c3bfecf492a"; 57 58 private final static String xs = 59 "2952afd9aef9527f9b40d23c8916f7d046028f9d"; 60 61 private final static String ys = 62 "b16ddb0f9394c328c983ecf23b20014ace368a1af5728dffbf1162de9ed8ebf6" + 63 "384f323930e091503035caa797e3674221fc16136240b5474799ede2b7b11313" + 64 "7574a9c26bcf900940027b4bcd511ef1d1daf2e69c416aebaf3bdf39f02473b9" + 65 "d963f99414c09d97bb0830d9fbdcf7bb9dad8a2179fcdf296838c4cfab8f4d8f"; 66 67 private final static BigInteger p = new BigInteger(ps, 16); 68 private final static BigInteger q = new BigInteger(qs, 16); 69 private final static BigInteger g = new BigInteger(gs, 16); 70 private final static BigInteger x = new BigInteger(xs, 16); 71 private final static BigInteger y = new BigInteger(ys, 16); 72 73 // data for test 1, original and SHA-1 hashed 74 private final static byte[] data1Raw = b("0102030405060708090a0b0c0d0e0f10111213"); 75 private final static byte[] data1SHA = b("00:e2:5f:c9:1c:8f:d6:8c:6a:dc:c6:bd:f0:46:60:5e:a2:cd:8d:ad"); 76 77 // valid signatures of data1. sig1b uses incorrect ASN.1 encoding, 78 // which we want to accept anyway for compatibility 79 private final static byte[] sig1a = b("30:2d:02:14:53:06:3f:7d:ec:48:3c:99:17:9a:2c:a9:4d:e8:00:da:70:fb:35:d7:02:15:00:92:6a:39:6b:15:63:2f:e7:32:90:35:bf:af:47:55:e7:ff:33:a5:13"); 80 private final static byte[] sig1b = b("30:2c:02:14:53:06:3f:7d:ec:48:3c:99:17:9a:2c:a9:4d:e8:00:da:70:fb:35:d7:02:14:92:6a:39:6b:15:63:2f:e7:32:90:35:bf:af:47:55:e7:ff:33:a5:13"); 81 82 // data for test 2 (invalid signatures) 83 private final static byte[] data2Raw = {}; 84 private final static byte[] data2SHA = b("da:39:a3:ee:5e:6b:4b:0d:32:55:bf:ef:95:60:18:90:af:d8:07:09"); 85 86 private static void verify(Provider provider, String alg, PublicKey key, byte[] data, byte[] sig, boolean result) throws Exception { 87 Signature s = Signature.getInstance(alg, provider); 88 s.initVerify(key); 89 boolean r; 90 s.update(data); 91 r = s.verify(sig); 92 if (r != result) { 93 throw new Exception("Result mismatch, actual: " + r); 94 } 95 s.update(data); 96 r = s.verify(sig); 97 if (r != result) { 98 throw new Exception("Result mismatch, actual: " + r); 99 } 100 System.out.println("Passed"); 101 } 102 103 public static void main(String[] args) throws Exception { 104 main(new TestDSA()); 105 } 106 107 public void main(Provider provider) throws Exception { 108 long start = System.currentTimeMillis(); 109 110 System.out.println("Testing provider " + provider + "..."); 111 112 if (provider.getService("Signature", "SHA1withDSA") == null) { 113 System.out.println("DSA not supported, skipping"); 114 return; 115 } 116 117 KeyFactory kf = KeyFactory.getInstance("DSA", provider); 118 DSAPrivateKeySpec privSpec = new DSAPrivateKeySpec(x, p, q, g); 119 DSAPublicKeySpec pubSpec = new DSAPublicKeySpec(y, p, q, g); 120 PrivateKey privateKey = kf.generatePrivate(privSpec); 121 PublicKey publicKey = kf.generatePublic(pubSpec); 122 123 // verify known-good and known-bad signatures using SHA1withDSA and RawDSA 124 verify(provider, "SHA1withDSA", publicKey, data1Raw, sig1a, true); 125 verify(provider, "SHA1withDSA", publicKey, data1Raw, sig1b, true); 126 verify(provider, "SHA1withDSA", publicKey, data2Raw, sig1a, false); 127 verify(provider, "SHA1withDSA", publicKey, data2Raw, sig1b, false); 128 129 verify(provider, "RawDSA", publicKey, data1SHA, sig1a, true); 130 verify(provider, "RawDSA", publicKey, data1SHA, sig1b, true); 131 verify(provider, "RawDSA", publicKey, data2SHA, sig1a, false); 132 verify(provider, "RawDSA", publicKey, data2SHA, sig1b, false); 133 134 testSigning(provider, privateKey, publicKey); 135 136 long stop = System.currentTimeMillis(); 137 System.out.println("All tests passed (" + (stop - start) + " ms)."); 138 } 139 140 private void testSigning(Provider provider, PrivateKey privateKey, 141 PublicKey publicKey) throws Exception { 142 byte[] data = new byte[2048]; 143 new Random().nextBytes(data); 144 145 // sign random data using SHA1withDSA and verify using 146 // SHA1withDSA and RawDSA 147 Signature s = Signature.getInstance("SHA1withDSA", provider); 148 s.initSign(privateKey); 149 s.update(data); 150 byte[] s1 = s.sign(); 151 152 s.initVerify(publicKey); 153 s.update(data); 154 if (!s.verify(s1)) { 155 throw new Exception("Sign/verify 1 failed"); 156 } 157 158 s = Signature.getInstance("RawDSA", provider); 159 MessageDigest md = MessageDigest.getInstance("SHA-1"); 160 byte[] digest = md.digest(data); 161 s.initVerify(publicKey); 162 s.update(digest); 163 if (!s.verify(s1)) { 164 throw new Exception("Sign/verify 2 failed"); 165 } 166 167 // sign random data using RawDSA and verify using 168 // SHA1withDSA and RawDSA 169 s.initSign(privateKey); 170 s.update(digest); 171 byte[] s2 = s.sign(); 172 173 s.initVerify(publicKey); 174 s.update(digest); 175 if (!s.verify(s2)) { 176 throw new Exception("Sign/verify 3 failed"); 177 } 178 179 s = Signature.getInstance("SHA1withDSA", provider); 180 s.initVerify(publicKey); 181 s.update(data); 182 if (!s.verify(s2)) { 183 throw new Exception("Sign/verify 4 failed"); 184 } 185 186 // test behavior if data of incorrect length is passed 187 s = Signature.getInstance("RawDSA", provider); 188 s.initSign(privateKey); 189 s.update(new byte[8]); 190 s.update(new byte[64]); 191 try { 192 s.sign(); 193 throw new Exception("No error RawDSA signing long data"); 194 } catch (SignatureException e) { 195 // expected 196 } 197 } 198 199 private final static char[] hexDigits = "0123456789abcdef".toCharArray(); 200 201 public static String toString(byte[] b) { 202 StringBuffer sb = new StringBuffer(b.length * 3); 203 for (int i = 0; i < b.length; i++) { 204 int k = b[i] & 0xff; 205 if (i != 0) { 206 sb.append(':'); 207 } 208 sb.append(hexDigits[k >>> 4]); 209 sb.append(hexDigits[k & 0xf]); 210 } 211 return sb.toString(); 212 } 213 214 public static byte[] parse(String s) { 215 try { 216 int n = s.length(); 217 ByteArrayOutputStream out = new ByteArrayOutputStream(n / 3); 218 StringReader r = new StringReader(s); 219 while (true) { 220 int b1 = nextNibble(r); 221 if (b1 < 0) { 222 break; 223 } 224 int b2 = nextNibble(r); 225 if (b2 < 0) { 226 throw new RuntimeException("Invalid string " + s); 227 } 228 int b = (b1 << 4) | b2; 229 out.write(b); 230 } 231 return out.toByteArray(); 232 } catch (IOException e) { 233 throw new RuntimeException(e); 234 } 235 } 236 237 public static byte[] b(String s) { 238 return parse(s); 239 } 240 241 private static int nextNibble(StringReader r) throws IOException { 242 while (true) { 243 int ch = r.read(); 244 if (ch == -1) { 245 return -1; 246 } else if ((ch >= '0') && (ch <= '9')) { 247 return ch - '0'; 248 } else if ((ch >= 'a') && (ch <= 'f')) { 249 return ch - 'a' + 10; 250 } else if ((ch >= 'A') && (ch <= 'F')) { 251 return ch - 'A' + 10; 252 } 253 } 254 } 255 256 }