0N/A/*
2362N/A * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 4800108
0N/A * @summary verify that precomputed DSA parameters are always used (512, 768, 1024 bit)
0N/A * @run main/othervm/timeout=15 TestKeyPairGenerator
0N/A */
0N/A
0N/A// this fix is really a performance fix, so this test is not foolproof
0N/A// without it, it will take a minute or more (unless you have a very fast machine)
0N/A// with the fix, the test should complete in <2 seconds
0N/A// use 15 second timeout to leave some room
0N/A
0N/Aimport java.security.*;
0N/Aimport java.security.interfaces.*;
0N/A
0N/Apublic class TestKeyPairGenerator {
0N/A
0N/A private static void checkKeyLength(KeyPair kp, int len) throws Exception {
0N/A DSAPublicKey key = (DSAPublicKey)kp.getPublic();
0N/A int n = key.getParams().getP().bitLength();
0N/A System.out.println("Key length: " + n);
0N/A if (len != n) {
0N/A throw new Exception("Wrong key length");
0N/A }
0N/A }
0N/A
0N/A public static void main(String[] args) throws Exception {
0N/A long start = System.currentTimeMillis();
0N/A KeyPairGenerator kpg;
0N/A KeyPair kp;
0N/A // problem was when not calling initialize()
0N/A // do that twice to artifically inflate the time
0N/A // on JDKs that do not have the fix
0N/A kpg = KeyPairGenerator.getInstance("DSA", "SUN");
0N/A kp = kpg.generateKeyPair();
0N/A checkKeyLength(kp, 1024);
0N/A
0N/A kpg = KeyPairGenerator.getInstance("DSA", "SUN");
0N/A kp = kpg.generateKeyPair();
0N/A checkKeyLength(kp, 1024);
0N/A
0N/A // some other basic tests
0N/A kp = kpg.generateKeyPair();
0N/A checkKeyLength(kp, 1024);
0N/A
0N/A kpg.initialize(1024);
0N/A kp = kpg.generateKeyPair();
0N/A checkKeyLength(kp, 1024);
0N/A
0N/A kpg.initialize(768);
0N/A kp = kpg.generateKeyPair();
0N/A checkKeyLength(kp, 768);
0N/A
0N/A kpg.initialize(512);
0N/A kp = kpg.generateKeyPair();
0N/A checkKeyLength(kp, 512);
0N/A
0N/A long stop = System.currentTimeMillis();
0N/A System.out.println("Time: " + (stop - start) + " ms.");
0N/A }
0N/A
0N/A}