Quelle SSLUtil.java Sprache: JAVA

/*
*  Licensed to the Apache Software Foundation (ASF) under one or more
*  contributor license agreements.  See the NOTICE file distributed with
*  this work for additional information regarding copyright ownership.
*  The ASF licenses this file to You under the Apache License, Version 2.0
*  (the "License"); you may not use this file except in compliance with
*  the License.  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package org.apache.tomcat.util.net;

import java.util.List;

import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLSessionContext;
import javax.net.ssl.TrustManager;

/**
* Provides a common interface for {@link SSLImplementation}s to create the
* necessary JSSE implementation objects for TLS connections created via the
* JSSE API.
*/
public interface SSLUtil {

    SSLContext createSSLContext(List<String> negotiableProtocols) throws Exception;

    KeyManager[] getKeyManagers() throws Exception;

    TrustManager[] getTrustManagers() throws Exception;

    void configureSessionContext(SSLSessionContext sslSessionContext);

    /**
     * The set of enabled protocols is the intersection of the implemented
     * protocols and the configured protocols. If no protocols are explicitly
     * configured, then all of the implemented protocols will be included in the
     * returned array.
     *
     * @return The protocols currently enabled and available for clients to
     *         select from for the associated connection
     *
     * @throws IllegalArgumentException  If there is no intersection between the
     *         implemented and configured protocols
     */
    String[] getEnabledProtocols() throws IllegalArgumentException;

    /**
     * The set of enabled ciphers is the intersection of the implemented ciphers
     * and the configured ciphers. If no ciphers are explicitly configured, then
     * the default ciphers will be included in the returned array.
     * <p>
     * The ciphers used during the TLS handshake may be further restricted by
     * the {@link #getEnabledProtocols()} and the certificates.
     *
     * @return The ciphers currently enabled and available for clients to select
     *         from for the associated connection
     *
     * @throws IllegalArgumentException  If there is no intersection between the
     *         implemented and configured ciphers
     */
    String[] getEnabledCiphers() throws IllegalArgumentException;

    /**
     * Optional interface that can be implemented by
     * {@link javax.net.ssl.SSLEngine}s to indicate that they support ALPN and
     * can provided the protocol agreed with the client.
     */
    interface ProtocolInfo {
        /**
         * ALPN information.
         * @return the protocol selected using ALPN
         */
        String getNegotiatedProtocol();
    }
}

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