| /* |
| * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 4815057 4839277 |
| * @summary basic test of SHA1withDSA and RawDSA signing/verifying |
| * @author Andreas Sterbenz |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| import java.math.BigInteger; |
| |
| import java.security.*; |
| import java.security.spec.*; |
| |
| public class TestDSA { |
| |
| // values of the keys we use for the tests |
| |
| private final static String ps = |
| "fd7f53811d75122952df4a9c2eece4e7f611b7523cef4400c31e3f80b6512669" + |
| "455d402251fb593d8d58fabfc5f5ba30f6cb9b556cd7813b801d346ff26660b7" + |
| "6b9950a5a49f9fe8047b1022c24fbba9d7feb7c61bf83b57e7c6a8a6150f04fb" + |
| "83f6d3c51ec3023554135a169132f675f3ae2b61d72aeff22203199dd14801c7"; |
| |
| private final static String qs = |
| "9760508f15230bccb292b982a2eb840bf0581cf5"; |
| |
| private final static String gs = |
| "f7e1a085d69b3ddecbbcab5c36b857b97994afbbfa3aea82f9574c0b3d078267" + |
| "5159578ebad4594fe67107108180b449167123e84c281613b7cf09328cc8a6e1" + |
| "3c167a8b547c8d28e0a3ae1e2bb3a675916ea37f0bfa213562f1fb627a01243b" + |
| "cca4f1bea8519089a883dfe15ae59f06928b665e807b552564014c3bfecf492a"; |
| |
| private final static String xs = |
| "2952afd9aef9527f9b40d23c8916f7d046028f9d"; |
| |
| private final static String ys = |
| "b16ddb0f9394c328c983ecf23b20014ace368a1af5728dffbf1162de9ed8ebf6" + |
| "384f323930e091503035caa797e3674221fc16136240b5474799ede2b7b11313" + |
| "7574a9c26bcf900940027b4bcd511ef1d1daf2e69c416aebaf3bdf39f02473b9" + |
| "d963f99414c09d97bb0830d9fbdcf7bb9dad8a2179fcdf296838c4cfab8f4d8f"; |
| |
| private final static BigInteger p = new BigInteger(ps, 16); |
| private final static BigInteger q = new BigInteger(qs, 16); |
| private final static BigInteger g = new BigInteger(gs, 16); |
| private final static BigInteger x = new BigInteger(xs, 16); |
| private final static BigInteger y = new BigInteger(ys, 16); |
| |
| // data for test 1, original and SHA-1 hashed |
| private final static byte[] data1Raw = b("0102030405060708090a0b0c0d0e0f10111213"); |
| 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"); |
| |
| // valid signatures of data1. sig1b uses incorrect ASN.1 encoding, |
| // which we want to accept anyway for compatibility |
| 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"); |
| 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"); |
| |
| // data for test 2 (invalid signatures) |
| private final static byte[] data2Raw = {}; |
| 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"); |
| |
| private static void verify(Provider provider, String alg, PublicKey key, byte[] data, byte[] sig, boolean result) throws Exception { |
| Signature s = Signature.getInstance(alg, provider); |
| s.initVerify(key); |
| boolean r; |
| s.update(data); |
| r = s.verify(sig); |
| if (r != result) { |
| throw new Exception("Result mismatch, actual: " + r); |
| } |
| s.update(data); |
| r = s.verify(sig); |
| if (r != result) { |
| throw new Exception("Result mismatch, actual: " + r); |
| } |
| System.out.println("Passed"); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| long start = System.currentTimeMillis(); |
| |
| Provider provider = Security.getProvider("SUN"); |
| System.out.println("Testing provider " + provider + "..."); |
| |
| KeyFactory kf = KeyFactory.getInstance("DSA", provider); |
| DSAPrivateKeySpec privSpec = new DSAPrivateKeySpec(x, p, q, g); |
| DSAPublicKeySpec pubSpec = new DSAPublicKeySpec(y, p, q, g); |
| PrivateKey privateKey = kf.generatePrivate(privSpec); |
| PublicKey publicKey = kf.generatePublic(pubSpec); |
| |
| // verify known-good and known-bad signatures using SHA1withDSA and RawDSA |
| verify(provider, "SHA1withDSA", publicKey, data1Raw, sig1a, true); |
| verify(provider, "SHA1withDSA", publicKey, data1Raw, sig1b, true); |
| verify(provider, "SHA1withDSA", publicKey, data2Raw, sig1a, false); |
| verify(provider, "SHA1withDSA", publicKey, data2Raw, sig1b, false); |
| |
| verify(provider, "RawDSA", publicKey, data1SHA, sig1a, true); |
| verify(provider, "RawDSA", publicKey, data1SHA, sig1b, true); |
| verify(provider, "RawDSA", publicKey, data2SHA, sig1a, false); |
| verify(provider, "RawDSA", publicKey, data2SHA, sig1b, false); |
| |
| byte[] data = new byte[2048]; |
| new Random().nextBytes(data); |
| |
| // sign random data using SHA1withDSA and verify using |
| // SHA1withDSA and RawDSA |
| Signature s = Signature.getInstance("SHA1withDSA", provider); |
| s.initSign(privateKey); |
| s.update(data); |
| byte[] s1 = s.sign(); |
| |
| s.initVerify(publicKey); |
| s.update(data); |
| if (!s.verify(s1)) { |
| throw new Exception("Sign/verify 1 failed"); |
| } |
| |
| s = Signature.getInstance("RawDSA", provider); |
| MessageDigest md = MessageDigest.getInstance("SHA-1"); |
| byte[] digest = md.digest(data); |
| s.initVerify(publicKey); |
| s.update(digest); |
| if (!s.verify(s1)) { |
| throw new Exception("Sign/verify 2 failed"); |
| } |
| |
| // sign random data using RawDSA and verify using |
| // SHA1withDSA and RawDSA |
| s.initSign(privateKey); |
| s.update(digest); |
| byte[] s2 = s.sign(); |
| |
| s.initVerify(publicKey); |
| s.update(digest); |
| if (!s.verify(s2)) { |
| throw new Exception("Sign/verify 3 failed"); |
| } |
| |
| s = Signature.getInstance("SHA1withDSA", provider); |
| s.initVerify(publicKey); |
| s.update(data); |
| if (!s.verify(s2)) { |
| throw new Exception("Sign/verify 4 failed"); |
| } |
| |
| // test behavior if data of incorrect length is passed |
| s = Signature.getInstance("RawDSA", provider); |
| s.initSign(privateKey); |
| s.update(new byte[8]); |
| s.update(new byte[64]); |
| try { |
| s.sign(); |
| throw new Exception("No error RawDSA signing long data"); |
| } catch (SignatureException e) { |
| // expected |
| } |
| |
| long stop = System.currentTimeMillis(); |
| System.out.println("All tests passed (" + (stop - start) + " ms)."); |
| } |
| |
| private final static char[] hexDigits = "0123456789abcdef".toCharArray(); |
| |
| public static String toString(byte[] b) { |
| StringBuffer sb = new StringBuffer(b.length * 3); |
| for (int i = 0; i < b.length; i++) { |
| int k = b[i] & 0xff; |
| if (i != 0) { |
| sb.append(':'); |
| } |
| sb.append(hexDigits[k >>> 4]); |
| sb.append(hexDigits[k & 0xf]); |
| } |
| return sb.toString(); |
| } |
| |
| public static byte[] parse(String s) { |
| try { |
| int n = s.length(); |
| ByteArrayOutputStream out = new ByteArrayOutputStream(n / 3); |
| StringReader r = new StringReader(s); |
| while (true) { |
| int b1 = nextNibble(r); |
| if (b1 < 0) { |
| break; |
| } |
| int b2 = nextNibble(r); |
| if (b2 < 0) { |
| throw new RuntimeException("Invalid string " + s); |
| } |
| int b = (b1 << 4) | b2; |
| out.write(b); |
| } |
| return out.toByteArray(); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public static byte[] b(String s) { |
| return parse(s); |
| } |
| |
| private static int nextNibble(StringReader r) throws IOException { |
| while (true) { |
| int ch = r.read(); |
| if (ch == -1) { |
| return -1; |
| } else if ((ch >= '0') && (ch <= '9')) { |
| return ch - '0'; |
| } else if ((ch >= 'a') && (ch <= 'f')) { |
| return ch - 'a' + 10; |
| } else if ((ch >= 'A') && (ch <= 'F')) { |
| return ch - 'A' + 10; |
| } |
| } |
| } |
| |
| } |