62 lines
2.3 KiB
Java
62 lines
2.3 KiB
Java
/*
|
|
* Copyright (c) 2004, 2024, 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 5078280
|
|
* @library /test/lib
|
|
* @summary make sure generated key pairs are exactly the requested length
|
|
* @author Andreas Sterbenz
|
|
*/
|
|
|
|
import java.security.*;
|
|
import java.security.interfaces.*;
|
|
import jdk.test.lib.security.SecurityUtils;
|
|
|
|
public class TestKeyPairGeneratorLength {
|
|
private static final String KPG_ALGORITHM = "RSA";
|
|
private static final int KEY_LENGTH = SecurityUtils.getTestKeySize(KPG_ALGORITHM);
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
test(KEY_LENGTH);
|
|
test(KEY_LENGTH + 1);
|
|
System.out.println("Done.");
|
|
}
|
|
|
|
private static void test(int len) throws Exception {
|
|
KeyPairGenerator kpg = KeyPairGenerator.getInstance(KPG_ALGORITHM,
|
|
System.getProperty("test.provider.name", "SunRsaSign"));
|
|
kpg.initialize(len);
|
|
for (int i = 0; i < 6; i++) {
|
|
System.out.println("Generating keypair " + len + " bit keypair " + (i + 1) + "...");
|
|
KeyPair kp = kpg.generateKeyPair();
|
|
RSAPublicKey key = (RSAPublicKey)kp.getPublic();
|
|
int k = key.getModulus().bitLength();
|
|
if (k != len) {
|
|
throw new Exception("length mismatch: " + k);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|