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Java example source code file (CipherSuitesInOrder.java)

This example Java source code file (CipherSuitesInOrder.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

all, enabled, exception, net, ssl, sslcontext, sslengine, sslserversocket, sslsocket, string, supported, tls_dh_anon_with_aes_256_gcm_sha384, tls_dhe_dss_with_aes_256_cbc_sha, tls_ecdh_anon_with_null_sha, tls_krb5_export_with_rc4_40_sha, tls_krb5_with_3des_ede_cbc_sha, util

The CipherSuitesInOrder.java Java example source code

/*
 * Copyright (c) 2012, 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.
 */

//
// SunJSSE does not support dynamic system properties, no way to re-use
// system properties in samevm/agentvm mode.
//

/*
 * @test
 * @bug 7174244
 * @summary NPE in Krb5ProxyImpl.getServerKeys()
 * @run main/othervm CipherSuitesInOrder
 */

import java.util.*;
import javax.net.ssl.*;

public class CipherSuitesInOrder {

    // supported ciphersuites
    private final static List<String> supportedCipherSuites =
            Arrays.<String>asList(
        "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384",
        "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384",
        "TLS_RSA_WITH_AES_256_CBC_SHA256",
        "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384",
        "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384",
        "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256",
        "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256",
        "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA",
        "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA",
        "TLS_RSA_WITH_AES_256_CBC_SHA",
        "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA",
        "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA",
        "TLS_DHE_RSA_WITH_AES_256_CBC_SHA",
        "TLS_DHE_DSS_WITH_AES_256_CBC_SHA",
        "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256",
        "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256",
        "TLS_RSA_WITH_AES_128_CBC_SHA256",
        "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256",
        "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256",
        "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256",
        "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256",
        "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA",
        "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA",
        "TLS_RSA_WITH_AES_128_CBC_SHA",
        "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA",
        "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA",
        "TLS_DHE_RSA_WITH_AES_128_CBC_SHA",
        "TLS_DHE_DSS_WITH_AES_128_CBC_SHA",
        "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA",
        "TLS_ECDHE_RSA_WITH_RC4_128_SHA",
        "SSL_RSA_WITH_RC4_128_SHA",
        "TLS_ECDH_ECDSA_WITH_RC4_128_SHA",
        "TLS_ECDH_RSA_WITH_RC4_128_SHA",

        "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
        "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
        "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384",
        "TLS_RSA_WITH_AES_256_GCM_SHA384",
        "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384",
        "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384",
        "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384",
        "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384",
        "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
        "TLS_RSA_WITH_AES_128_GCM_SHA256",
        "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256",
        "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256",
        "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256",
        "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256",

        "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA",
        "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA",
        "SSL_RSA_WITH_3DES_EDE_CBC_SHA",
        "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA",
        "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA",
        "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA",
        "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA",
        "SSL_RSA_WITH_RC4_128_MD5",

        "TLS_EMPTY_RENEGOTIATION_INFO_SCSV",

        "TLS_DH_anon_WITH_AES_256_GCM_SHA384",
        "TLS_DH_anon_WITH_AES_128_GCM_SHA256",

        "TLS_DH_anon_WITH_AES_256_CBC_SHA256",
        "TLS_ECDH_anon_WITH_AES_256_CBC_SHA",
        "TLS_DH_anon_WITH_AES_256_CBC_SHA",
        "TLS_DH_anon_WITH_AES_128_CBC_SHA256",
        "TLS_ECDH_anon_WITH_AES_128_CBC_SHA",
        "TLS_DH_anon_WITH_AES_128_CBC_SHA",
        "TLS_ECDH_anon_WITH_RC4_128_SHA",
        "SSL_DH_anon_WITH_RC4_128_MD5",
        "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA",
        "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA",
        "TLS_RSA_WITH_NULL_SHA256",
        "TLS_ECDHE_ECDSA_WITH_NULL_SHA",
        "TLS_ECDHE_RSA_WITH_NULL_SHA",
        "SSL_RSA_WITH_NULL_SHA",
        "TLS_ECDH_ECDSA_WITH_NULL_SHA",
        "TLS_ECDH_RSA_WITH_NULL_SHA",
        "TLS_ECDH_anon_WITH_NULL_SHA",
        "SSL_RSA_WITH_NULL_MD5",
        "SSL_RSA_WITH_DES_CBC_SHA",
        "SSL_DHE_RSA_WITH_DES_CBC_SHA",
        "SSL_DHE_DSS_WITH_DES_CBC_SHA",
        "SSL_DH_anon_WITH_DES_CBC_SHA",
        "SSL_RSA_EXPORT_WITH_RC4_40_MD5",
        "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5",
        "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA",
        "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA",
        "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA",
        "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA",
        "TLS_KRB5_WITH_RC4_128_SHA",
        "TLS_KRB5_WITH_RC4_128_MD5",
        "TLS_KRB5_WITH_3DES_EDE_CBC_SHA",
        "TLS_KRB5_WITH_3DES_EDE_CBC_MD5",
        "TLS_KRB5_WITH_DES_CBC_SHA",
        "TLS_KRB5_WITH_DES_CBC_MD5",
        "TLS_KRB5_EXPORT_WITH_RC4_40_SHA",
        "TLS_KRB5_EXPORT_WITH_RC4_40_MD5",
        "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA",
        "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"
    );

    private final static String[] protocols = {
        "", "SSL", "TLS", "SSLv3", "TLSv1", "TLSv1.1", "TLSv1.2"
    };


    public static void main(String[] args) throws Exception {
        // show all of the supported cipher suites
        showSuites(supportedCipherSuites.toArray(new String[0]),
                                "All supported cipher suites");

        for (String protocol : protocols) {
            System.out.println("//");
            System.out.println("// " +
                        "Testing for SSLContext of " + protocol);
            System.out.println("//");
            checkForProtocols(protocol);
        }
    }

    public static void checkForProtocols(String protocol) throws Exception {
        SSLContext context;
        if (protocol.isEmpty()) {
            context = SSLContext.getDefault();
        } else {
            context = SSLContext.getInstance(protocol);
            context.init(null, null, null);
        }

        // check the order of default cipher suites of SSLContext
        SSLParameters parameters = context.getDefaultSSLParameters();
        checkSuites(parameters.getCipherSuites(),
                "Default cipher suites in SSLContext");

        // check the order of supported cipher suites of SSLContext
        parameters = context.getSupportedSSLParameters();
        checkSuites(parameters.getCipherSuites(),
                "Supported cipher suites in SSLContext");


        //
        // Check the cipher suites order of SSLEngine
        //
        SSLEngine engine = context.createSSLEngine();

        // check the order of endabled cipher suites
        String[] ciphers = engine.getEnabledCipherSuites();
        checkSuites(ciphers,
                "Enabled cipher suites in SSLEngine");

        // check the order of supported cipher suites
        ciphers = engine.getSupportedCipherSuites();
        checkSuites(ciphers,
                "Supported cipher suites in SSLEngine");

        //
        // Check the cipher suites order of SSLSocket
        //
        SSLSocketFactory factory = context.getSocketFactory();
        try (SSLSocket socket = (SSLSocket)factory.createSocket()) {

            // check the order of endabled cipher suites
            ciphers = socket.getEnabledCipherSuites();
            checkSuites(ciphers,
                "Enabled cipher suites in SSLSocket");

            // check the order of supported cipher suites
            ciphers = socket.getSupportedCipherSuites();
            checkSuites(ciphers,
                "Supported cipher suites in SSLSocket");
        }

        //
        // Check the cipher suites order of SSLServerSocket
        //
        SSLServerSocketFactory serverFactory = context.getServerSocketFactory();
        try (SSLServerSocket serverSocket =
                (SSLServerSocket)serverFactory.createServerSocket()) {
            // check the order of endabled cipher suites
            ciphers = serverSocket.getEnabledCipherSuites();
            checkSuites(ciphers,
                "Enabled cipher suites in SSLServerSocket");

            // check the order of supported cipher suites
            ciphers = serverSocket.getSupportedCipherSuites();
            checkSuites(ciphers,
                "Supported cipher suites in SSLServerSocket");
        }
    }

    private static void checkSuites(String[] suites, String title) {
        showSuites(suites, title);

        int loc = -1;
        int index = 0;
        for (String suite : suites) {
            index = supportedCipherSuites.indexOf(suite);
            if (index <= loc) {
                throw new RuntimeException(suite + " is not in order");
            }

            loc = index;
        }
    }

    private static void showSuites(String[] suites, String title) {
        System.out.println(title + "[" + suites.length + "]:");
        for (String suite : suites) {
            System.out.println("  " + suite);
        }
    }
}

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