--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/security/rsa/TestKeyPairGenerator.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2003, 2012, 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 4853305 4865198 4888410 4963723
+ * @summary Verify that the RSA KeyPairGenerator works
+ * @author Andreas Sterbenz
+ * @key randomness
+ */
+
+import java.io.*;
+import java.util.*;
+import java.math.BigInteger;
+
+import java.security.*;
+import java.security.interfaces.*;
+import java.security.spec.*;
+
+public class TestKeyPairGenerator {
+
+ private static Provider provider;
+
+ private static byte[] data;
+
+ private static void testSignature(String algorithm, PrivateKey privateKey, PublicKey publicKey) throws Exception {
+ System.out.println("Testing " + algorithm + "...");
+ Signature s = Signature.getInstance(algorithm, provider);
+ s.initSign(privateKey);
+ s.update(data);
+ byte[] sig = s.sign();
+ s.initVerify(publicKey);
+ s.update(data);
+ boolean result = s.verify(sig);
+ if (result == false) {
+ throw new Exception("Verification failed");
+ }
+ }
+
+ private static void test(PrivateKey privateKey, PublicKey publicKey) throws Exception {
+ testSignature("MD2withRSA", privateKey, publicKey);
+ testSignature("MD5withRSA", privateKey, publicKey);
+ testSignature("SHA1withRSA", privateKey, publicKey);
+ testSignature("SHA224withRSA", privateKey, publicKey);
+ testSignature("SHA256withRSA", privateKey, publicKey);
+ RSAPublicKey rsaKey = (RSAPublicKey)publicKey;
+ if (rsaKey.getModulus().bitLength() > 512) {
+ // for SHA384 and SHA512 the data is too long for 512 bit keys
+ testSignature("SHA384withRSA", privateKey, publicKey);
+ testSignature("SHA512withRSA", privateKey, publicKey);
+ }
+ }
+
+ // regression test for 4865198
+ private static void testInvalidSignature(KeyPair kp1, KeyPair kp2) throws Exception {
+ System.out.println("Testing signature with incorrect key...");
+ Signature sig = Signature.getInstance("MD5withRSA", provider);
+ sig.initSign(kp1.getPrivate());
+ byte[] data = new byte[100];
+ sig.update(data);
+ byte[] signature = sig.sign();
+ sig.initVerify(kp1.getPublic());
+ sig.update(data);
+ if (sig.verify(signature) == false) {
+ throw new Exception("verification failed");
+ }
+ sig.initVerify(kp2.getPublic());
+ sig.update(data);
+ // verify needs to return false and not throw an Exception
+ try {
+ if (sig.verify(signature)) {
+ throw new Exception("verification unexpectedly succeeded");
+ }
+ } catch (SignatureException se) {
+ // Yet another kind of failure, OK.
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ long start = System.currentTimeMillis();
+ provider = Security.getProvider("SunRsaSign");
+ data = new byte[2048];
+ // keypair generation is very slow, test only a few short keys
+ int[] keyLengths = {512, 512, 1024};
+ BigInteger[] pubExps = {null, BigInteger.valueOf(3), null};
+ KeyPair[] keyPairs = new KeyPair[3];
+ new Random().nextBytes(data);
+ KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", provider);
+ for (int i = 0; i < keyLengths.length; i++) {
+ int len = keyLengths[i];
+ BigInteger exp = pubExps[i];
+ System.out.println("Generating " + len + " bit keypair...");
+ if (exp == null) {
+ kpg.initialize(len);
+ } else {
+ kpg.initialize(new RSAKeyGenParameterSpec(len, exp));
+ }
+ KeyPair kp = kpg.generateKeyPair();
+ keyPairs[i] = kp;
+ RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();
+ System.out.println(publicKey);
+ RSAPrivateCrtKey privateKey = (RSAPrivateCrtKey)kp.getPrivate();
+ if (publicKey.getModulus().equals(privateKey.getModulus()) == false) {
+ throw new Exception("Moduli do not match");
+ }
+ if (publicKey.getPublicExponent().equals(privateKey.getPublicExponent()) == false) {
+ throw new Exception("Exponents do not match");
+ }
+ int keyLen = publicKey.getModulus().bitLength();
+ if ((keyLen > len) || (keyLen < len - 1)) {
+ throw new Exception("Incorrect key length: " + keyLen);
+ }
+ if (exp != null) {
+ if (exp.equals(publicKey.getPublicExponent()) == false) {
+ throw new Exception("Incorrect exponent");
+ }
+ }
+ test(privateKey, publicKey);
+ }
+ testInvalidSignature(keyPairs[0], keyPairs[1]);
+ testInvalidSignature(keyPairs[0], keyPairs[2]);
+ testInvalidSignature(keyPairs[2], keyPairs[0]);
+ long stop = System.currentTimeMillis();
+ System.out.println("All tests passed (" + (stop - start) + " ms).");
+ }
+}