ShowInfo.java

/*
 * Copyright (c) 2019, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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.
 *
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package sun.security.tools.keytool;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;

class ShowInfo {

    // verbose is not used yet.
    static void tls(boolean verbose) throws Exception {

        SSLSocket ssls = (SSLSocket)
                SSLContext.getDefault().getSocketFactory().createSocket();

        System.out.println("Enabled Protocols");
        System.out.println("-----------------");
        for (String s : ssls.getEnabledProtocols()) {
            System.out.println(s);
        }

        System.out.println();

        System.out.println("Enabled Cipher Suites");
        System.out.println("---------------------");
        for (String s : ssls.getEnabledCipherSuites()) {
            System.out.println(s);
        }
    }
}