116 lines
4.4 KiB
Java
116 lines
4.4 KiB
Java
/*
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* Copyright (c) 2012, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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// program to generate rsakeys.ks. does not need to run during testing
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// checked into the workspace so that the keystore file can be recreated
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// in the future if needed.
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// @author Andreas Sterbenz
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import java.io.*;
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import java.math.BigInteger;
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import java.util.*;
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import java.security.*;
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import java.security.cert.*;
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import java.security.interfaces.*;
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import java.security.spec.*;
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import sun.security.x509.*;
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public class GenKeyStore {
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static final char[] password = "test12".toCharArray();
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private static X509Certificate getCertificate(String suffix, PublicKey publicKey, PrivateKey privateKey) throws Exception {
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X500Name name = new X500Name("CN=Dummy Certificate " + suffix);
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String algorithm = "SHA1with" + publicKey.getAlgorithm();
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Date date = new Date();
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AlgorithmId algID = AlgorithmId.getAlgorithmId(algorithm);
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X509CertInfo certInfo = new X509CertInfo();
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certInfo.set(X509CertInfo.VERSION, new CertificateVersion(CertificateVersion.V1));
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certInfo.set(X509CertInfo.SERIAL_NUMBER, new CertificateSerialNumber(1));
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certInfo.set(X509CertInfo.ALGORITHM_ID, new CertificateAlgorithmId(algID));
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certInfo.set(X509CertInfo.SUBJECT, name);
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certInfo.set(X509CertInfo.ISSUER, name);
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certInfo.set(X509CertInfo.KEY, new CertificateX509Key(publicKey));
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certInfo.set(X509CertInfo.VALIDITY, new CertificateValidity(date, date));
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X509CertImpl cert = new X509CertImpl(certInfo);
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cert.sign(privateKey, algorithm);
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return cert;
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}
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private static void addToKeyStore(KeyStore ks, KeyPair kp, String name) throws Exception {
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PublicKey pubKey = kp.getPublic();
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PrivateKey privKey = kp.getPrivate();
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X509Certificate cert = getCertificate(name, pubKey, privKey);
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ks.setKeyEntry(name, privKey, password, new X509Certificate[] {cert});
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}
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private static void generateKeyPair(KeyStore ks, int keyLength, String alias) throws Exception {
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System.out.println("Generating " + keyLength + " keypair " + alias + "...");
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KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA",
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System.getProperty("test.provider.name", "SunRsaSign"));
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kpg.initialize(keyLength);
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KeyPair kp = kpg.generateKeyPair();
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addToKeyStore(ks, kp, alias);
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}
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static KeyStore ks;
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public static void main(String[] args) throws Exception {
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long start = System.currentTimeMillis();
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KeyStore ks = KeyStore.getInstance("JKS");
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ks.load(null, null);
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generateKeyPair(ks, 512, "rsa512a");
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generateKeyPair(ks, 512, "rsa512b");
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generateKeyPair(ks, 1024, "rsa1024a");
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generateKeyPair(ks, 1024, "rsa1024b");
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generateKeyPair(ks, 2048, "rsa2048a");
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generateKeyPair(ks, 2048, "rsa2048b");
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generateKeyPair(ks, 4096, "rsa4096a");
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// only one 4096 bit keys and none longer than that
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// that would slow down the other tests too much
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// on old machines
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// generateKeyPair(ks, 4096, "rsa4096b");
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// generateKeyPair(ks, 8192, "rsa8192a");
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// generateKeyPair(ks, 8192, "rsa8192b");
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OutputStream out = new FileOutputStream("rsakeys.ks");
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ks.store(out, password);
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out.close();
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long stop = System.currentTimeMillis();
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System.out.println("Done (" + (stop - start) + " ms).");
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}
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}
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