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Java example source code file (SelfIssuedCert.java)

This example Java source code file (SelfIssuedCert.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

begin, certificate, certificate\-\-\-\-\-\\n, end, exception, math, net, network, outputstream, pkcs8encodedkeyspec, rsa, security, selfissuedcert, ssl, sslcontext, sslsocket, string, thread, util, yw1wbguxejaqbgnvbamtcwxvy2fsag9zddcbnzanbgkqhkig9w0baqefaaobjqaw\\n

The SelfIssuedCert.java Java example source code

/*
 * Copyright (c) 2009, 2013, 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 6822460
 * @summary support self-issued certificate
 * @run main/othervm SelfIssuedCert PKIX
 * @run main/othervm SelfIssuedCert SunX509
 *
 *     SunJSSE does not support dynamic system properties, no way to re-use
 *     system properties in samevm/agentvm mode.
 * @author Xuelei Fan
 */

import java.net.*;
import java.util.*;
import java.io.*;
import javax.net.ssl.*;
import java.security.KeyStore;
import java.security.KeyFactory;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import java.security.spec.*;
import java.security.interfaces.*;
import java.math.BigInteger;

import java.util.Base64;

public class SelfIssuedCert {

    /*
     * =============================================================
     * Set the various variables needed for the tests, then
     * specify what tests to run on each side.
     */

    /*
     * Should we run the client or server in a separate thread?
     * Both sides can throw exceptions, but do you have a preference
     * as to which side should be the main thread.
     */
    static boolean separateServerThread = true;

    /*
     * Where do we find the keystores?
     */
    // Certificate information:
    // Issuer: C=US, O=Example, CN=localhost
    // Validity
    //     Not Before: May 25 00:35:58 2009 GMT
    //     Not After : May  5 00:35:58 2030 GMT
    // Subject: C=US, O=Example, CN=localhost
    // X509v3 Subject Key Identifier:
    //     56:AB:FE:15:4C:9C:4A:70:90:DC:0B:9B:EB:BE:DC:03:CC:7F:CE:CF
    // X509v3 Authority Key Identifier:
    //     keyid:56:AB:FE:15:4C:9C:4A:70:90:DC:0B:9B:EB:BE:DC:03:CC:7F:CE:CF
    //     DirName:/C=US/O=Example/CN=localhost
    //     serial:00
    static String trusedCertStr =
        "-----BEGIN CERTIFICATE-----\n" +
        "MIICejCCAeOgAwIBAgIBADANBgkqhkiG9w0BAQQFADAzMQswCQYDVQQGEwJVUzEQ\n" +
        "MA4GA1UEChMHRXhhbXBsZTESMBAGA1UEAxMJbG9jYWxob3N0MB4XDTA5MDUyNTAw\n" +
        "MDQ0M1oXDTMwMDUwNTAwMDQ0M1owMzELMAkGA1UEBhMCVVMxEDAOBgNVBAoTB0V4\n" +
        "YW1wbGUxEjAQBgNVBAMTCWxvY2FsaG9zdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAw\n" +
        "gYkCgYEA0Wvh3FHYGQ3vvw59yTjUxT6QuY0fzwCGQTM9evXr/V9+pjWmaTkNDW+7\n" +
        "S/LErlWz64gOWTgcMZN162sVgx4ct/q27brY+SlUO5eSud1fSac6SfefhOPBa965\n" +
        "Xc4mnpDt5sgQPMDCuFK7Le6A+/S9J42BO2WYmNcmvcwWWrv+ehcCAwEAAaOBnTCB\n" +
        "mjAdBgNVHQ4EFgQUq3q5fYEibdvLpab+JY4pmifj2vYwWwYDVR0jBFQwUoAUq3q5\n" +
        "fYEibdvLpab+JY4pmifj2vahN6Q1MDMxCzAJBgNVBAYTAlVTMRAwDgYDVQQKEwdF\n" +
        "eGFtcGxlMRIwEAYDVQQDEwlsb2NhbGhvc3SCAQAwDwYDVR0TAQH/BAUwAwEB/zAL\n" +
        "BgNVHQ8EBAMCAgQwDQYJKoZIhvcNAQEEBQADgYEAHL8BSwtX6s8WPPG2FbQBX+K8\n" +
        "GquAyQNtgfJNm60B4i+fVBkJiQJtLmE0emvHx/3sIaHmB0Gd0HKnk/cIQXY304vr\n" +
        "QpqwudKcIZuzmj+pa7807joV+WzRDVIlt4HpYg7tiUvEoyw+X8jwY2lgiGR7mWu6\n" +
        "jQU8PN/06+qgtvSGFpo=\n" +
        "-----END CERTIFICATE-----";

    // Certificate information:
    // Issuer: C=US, O=Example, CN=localhost
    // Validity
    //     Not Before: May 25 00:35:58 2009 GMT
    //     Not After : May  5 00:35:58 2030 GMT
    // Subject: C=US, O=Example, CN=localhost
    // X509v3 Subject Key Identifier:
    //     0D:30:76:22:D6:9D:75:EF:FD:83:50:31:18:08:83:CD:01:4E:6A:C4
    // X509v3 Authority Key Identifier:
    //     keyid:56:AB:FE:15:4C:9C:4A:70:90:DC:0B:9B:EB:BE:DC:03:CC:7F:CE:CF
    //     DirName:/C=US/O=Example/CN=localhost
    //     serial:00
    static String targetCertStr =
        "-----BEGIN CERTIFICATE-----\n" +
        "MIICaTCCAdKgAwIBAgIBAjANBgkqhkiG9w0BAQQFADAzMQswCQYDVQQGEwJVUzEQ\n" +
        "MA4GA1UEChMHRXhhbXBsZTESMBAGA1UEAxMJbG9jYWxob3N0MB4XDTA5MDUyNTAw\n" +
        "MDQ0M1oXDTI5MDIwOTAwMDQ0M1owMzELMAkGA1UEBhMCVVMxEDAOBgNVBAoTB0V4\n" +
        "YW1wbGUxEjAQBgNVBAMTCWxvY2FsaG9zdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAw\n" +
        "gYkCgYEAzmPahrH9LTQv3HEWsua+hIpzyU1ACooSd5BtDjc7XnVzSdGW8QD9R8EA\n" +
        "xko7TvfJo6IH6wwgHBspySwsl+6xvHhbwQjgtWlT71ksrUbqcUzmvSvcycQYA8RC\n" +
        "yk9HK5pEJQgSxldpR3Kmy0V6CHC4dCm15trnJYWisTuezY3fjXECAwEAAaOBjDCB\n" +
        "iTAdBgNVHQ4EFgQUQkiWFRkjKsfwFo7UMQfGEzNNW60wWwYDVR0jBFQwUoAUq3q5\n" +
        "fYEibdvLpab+JY4pmifj2vahN6Q1MDMxCzAJBgNVBAYTAlVTMRAwDgYDVQQKEwdF\n" +
        "eGFtcGxlMRIwEAYDVQQDEwlsb2NhbGhvc3SCAQAwCwYDVR0PBAQDAgPoMA0GCSqG\n" +
        "SIb3DQEBBAUAA4GBAIMz7c1R+6KEO7FmH4rnv9XE62xkg03ff0vKXLZMjjs0CX2z\n" +
        "ybRttuTFafHA6/JS+Wz0G83FCRVeiw2WPU6BweMwwejzzIrQ/K6mbp6w6sRFcbNa\n" +
        "eLBtzkjEtI/htOSSq3/0mbKmWn5uVJckO4QiB8kUR4F7ngM9l1uuI46ZfUsk\n" +
        "-----END CERTIFICATE-----";

    // Private key in the format of PKCS#8
    static String targetPrivateKey =
        "MIICeQIBADANBgkqhkiG9w0BAQEFAASCAmMwggJfAgEAAoGBAM5j2oax/S00L9xx\n" +
        "FrLmvoSKc8lNQAqKEneQbQ43O151c0nRlvEA/UfBAMZKO073yaOiB+sMIBwbKcks\n" +
        "LJfusbx4W8EI4LVpU+9ZLK1G6nFM5r0r3MnEGAPEQspPRyuaRCUIEsZXaUdypstF\n" +
        "eghwuHQpteba5yWForE7ns2N341xAgMBAAECgYEAgZ8k98OBhopoJMLBxso0jXmH\n" +
        "Dr59oiDlSEJku7DkkIajSZFggyxj5lTI78BfT1FASozQ/EY5RG2q6LXdq+41oU/U\n" +
        "JVEQWhdIE1mQDwE0vgaYdjzMaVIsC3cZYOCOmCYvNxCiTt7e/z8yBMmAE5udqJMB\n" +
        "pim4WXDfpy0ssK81oCECQQDwMC4xu+kn0yD/Qyi9Zn26gIRDv4bjzDQoJfSvMhrY\n" +
        "a4duxLzh9u4gCDd0+wHxpPQvNxGCk0c1JUxBJ2rb4G3HAkEA2/oVRV6+xiRXUnoo\n" +
        "bdPEO27zEJmdpE42yU/JLIy6DPu2IUhEqY45fU2ZERmwMdhpiK/vsf/CZKJ2j/ZU\n" +
        "PdMLBwJBAJIYTFDWAqjFpCGAASzLRZiGiW0H941h7Suqgp159ZhEN5mps1Yis47q\n" +
        "UIkoEHOiKSD69vychsiNykcrKbVaWosCQQC1UrYX4Vo1r5z/EkyjAwzcxL68rzM/\n" +
        "TW1hkU/NVg7CRvXBB3X5oY+H1t/WNauD2tRa5FMbESwmkbhTQIP+FikfAkEA4goD\n" +
        "HCxUn0Z1OQq9QL6y1Yoof6sHxicUwABosuCLJnDJmA5vhpemvdXQTzFII8g1hyQf\n" +
        "z1yyDoxhddcleKlJvQ==";

    static char passphrase[] = "passphrase".toCharArray();

    /*
     * Is the server ready to serve?
     */
    volatile static boolean serverReady = false;

    /*
     * Turn on SSL debugging?
     */
    static boolean debug = false;

    /*
     * Define the server side of the test.
     *
     * If the server prematurely exits, serverReady will be set to true
     * to avoid infinite hangs.
     */
    void doServerSide() throws Exception {
        SSLContext context = getSSLContext(null, targetCertStr,
                                            targetPrivateKey);
        SSLServerSocketFactory sslssf = context.getServerSocketFactory();

        SSLServerSocket sslServerSocket =
            (SSLServerSocket)sslssf.createServerSocket(serverPort);
        serverPort = sslServerSocket.getLocalPort();

        /*
         * Signal Client, we're ready for his connect.
         */
        serverReady = true;

        SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept();
        sslSocket.setNeedClientAuth(false);

        InputStream sslIS = sslSocket.getInputStream();
        OutputStream sslOS = sslSocket.getOutputStream();

        sslIS.read();
        sslOS.write(85);
        sslOS.flush();

        sslSocket.close();

    }

    /*
     * Define the client side of the test.
     *
     * If the server prematurely exits, serverReady will be set to true
     * to avoid infinite hangs.
     */
    void doClientSide() throws Exception {
        /*
         * Wait for server to get started.
         */
        while (!serverReady) {
            Thread.sleep(50);
        }

        SSLContext context = getSSLContext(trusedCertStr, null, null);
        SSLSocketFactory sslsf = context.getSocketFactory();

        SSLSocket sslSocket =
            (SSLSocket)sslsf.createSocket("localhost", serverPort);

        InputStream sslIS = sslSocket.getInputStream();
        OutputStream sslOS = sslSocket.getOutputStream();

        sslOS.write(280);
        sslOS.flush();
        sslIS.read();

        sslSocket.close();
    }

    // get the ssl context
    private static SSLContext getSSLContext(String trusedCertStr,
            String keyCertStr, String keySpecStr) throws Exception {

        // generate certificate from cert string
        CertificateFactory cf = CertificateFactory.getInstance("X.509");

        // create a key store
        KeyStore ks = KeyStore.getInstance("JKS");
        ks.load(null, null);

        // import the trused cert
        Certificate trusedCert = null;
        ByteArrayInputStream is = null;
        if (trusedCertStr != null) {
            is = new ByteArrayInputStream(trusedCertStr.getBytes());
            trusedCert = cf.generateCertificate(is);
            is.close();

            ks.setCertificateEntry("RSA Export Signer", trusedCert);
        }

        if (keyCertStr != null) {
            // generate the private key.
            PKCS8EncodedKeySpec priKeySpec = new PKCS8EncodedKeySpec(
                                Base64.getMimeDecoder().decode(keySpecStr));
            KeyFactory kf = KeyFactory.getInstance("RSA");
            RSAPrivateKey priKey =
                    (RSAPrivateKey)kf.generatePrivate(priKeySpec);

            // generate certificate chain
            is = new ByteArrayInputStream(keyCertStr.getBytes());
            Certificate keyCert = cf.generateCertificate(is);
            is.close();

            Certificate[] chain = null;
            if (trusedCert != null) {
                chain = new Certificate[2];
                chain[0] = keyCert;
                chain[1] = trusedCert;
            } else {
                chain = new Certificate[1];
                chain[0] = keyCert;
            }

            // import the key entry.
            ks.setKeyEntry("Whatever", priKey, passphrase, chain);
        }

        // create SSL context
        TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmAlgorithm);
        tmf.init(ks);

        SSLContext ctx = SSLContext.getInstance("TLS");
        if (keyCertStr != null && !keyCertStr.isEmpty()) {
            KeyManagerFactory kmf = KeyManagerFactory.getInstance("NewSunX509");
            kmf.init(ks, passphrase);

            ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
            ks = null;
        } else {
            ctx.init(null, tmf.getTrustManagers(), null);
        }

        return ctx;
    }

    private static String tmAlgorithm;        // trust manager

    private static void parseArguments(String[] args) {
        tmAlgorithm = args[0];
    }

    /*
     * =============================================================
     * The remainder is just support stuff
     */

    // use any free port by default
    volatile int serverPort = 0;

    volatile Exception serverException = null;
    volatile Exception clientException = null;

    public static void main(String args[]) throws Exception {
        if (debug)
            System.setProperty("javax.net.debug", "all");


        /*
         * Get the customized arguments.
         */
        parseArguments(args);

        /*
         * Start the tests.
         */
        new SelfIssuedCert();
    }

    Thread clientThread = null;
    Thread serverThread = null;
    /*
     * Primary constructor, used to drive remainder of the test.
     *
     * Fork off the other side, then do your work.
     */
    SelfIssuedCert() throws Exception {
        if (separateServerThread) {
            startServer(true);
            startClient(false);
        } else {
            startClient(true);
            startServer(false);
        }

        /*
         * Wait for other side to close down.
         */
        if (separateServerThread) {
            serverThread.join();
        } else {
            clientThread.join();
        }

        /*
         * When we get here, the test is pretty much over.
         *
         * If the main thread excepted, that propagates back
         * immediately.  If the other thread threw an exception, we
         * should report back.
         */
        if (serverException != null)
            throw serverException;
        if (clientException != null)
            throw clientException;
    }

    void startServer(boolean newThread) throws Exception {
        if (newThread) {
            serverThread = new Thread() {
                public void run() {
                    try {
                        doServerSide();
                    } catch (Exception e) {
                        /*
                         * Our server thread just died.
                         *
                         * Release the client, if not active already...
                         */
                        System.err.println("Server died...");
                        serverReady = true;
                        serverException = e;
                    }
                }
            };
            serverThread.start();
        } else {
            doServerSide();
        }
    }

    void startClient(boolean newThread) throws Exception {
        if (newThread) {
            clientThread = new Thread() {
                public void run() {
                    try {
                        doClientSide();
                    } catch (Exception e) {
                        /*
                         * Our client thread just died.
                         */
                        System.err.println("Client died...");
                        clientException = e;
                    }
                }
            };
            clientThread.start();
        } else {
            doClientSide();
        }
    }

}

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