jdk/test/sun/security/pkcs11/Signature/TestDSA.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/security/pkcs11/Signature/TestDSA.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,256 @@
+/*
+ * Copyright 2003-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * @test
+ * @bug 4856966
+ * @summary basic test of SHA1withDSA and RawDSA signing/verifying
+ * @author Andreas Sterbenz
+ * @library ..
+ */
+
+import java.io.*;
+import java.util.*;
+import java.math.BigInteger;
+
+import java.security.*;
+import java.security.spec.*;
+
+public class TestDSA extends PKCS11Test {
+
+    // 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 {
+        main(new TestDSA());
+    }
+
+    public void main(Provider provider) throws Exception {
+        long start = System.currentTimeMillis();
+
+        System.out.println("Testing provider " + provider + "...");
+
+        if (provider.getService("Signature", "SHA1withDSA") == null) {
+            System.out.println("DSA not supported, skipping");
+            return;
+        }
+
+        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);
+
+        testSigning(provider, privateKey, publicKey);
+
+        long stop = System.currentTimeMillis();
+        System.out.println("All tests passed (" + (stop - start) + " ms).");
+    }
+
+    private void testSigning(Provider provider, PrivateKey privateKey,
+            PublicKey publicKey) throws Exception {
+        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
+        }
+    }
+
+    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;
+            }
+        }
+    }
+
+}