/* * Copyright (c) 1999, 2005, 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. * * 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. */ package javax.net.ssl; import java.security.cert.*; /** * Instance of this interface manage which X509 certificates * may be used to authenticate the remote side of a secure * socket. Decisions may be based on trusted certificate * authorities, certificate revocation lists, online * status checking or other means. * * @since 1.4 */public interface X509TrustManager extends TrustManager {    /**     * Given the partial or complete certificate chain provided by the     * peer, build a certificate path to a trusted root and return if     * it can be validated and is trusted for client SSL     * authentication based on the authentication type.     * <p>     * The authentication type is determined by the actual certificate     * used. For instance, if RSAPublicKey is used, the authType     * should be "RSA". Checking is case-sensitive.     *     * @param chain the peer certificate chain     * @param authType the authentication type based on the client certificate     * @throws IllegalArgumentException if null or zero-length chain     *         is passed in for the chain parameter or if null or zero-length     *         string is passed in for the  authType parameter     * @throws CertificateException if the certificate chain is not trusted     *         by this TrustManager.     */    public void checkClientTrusted(X509Certificate[] chain, String authType)        throws CertificateException;     /**     * Given the partial or complete certificate chain provided by the     * peer, build a certificate path to a trusted root and return if     * it can be validated and is trusted for server SSL     * authentication based on the authentication type.     * <p>     * The authentication type is the key exchange algorithm portion     * of the cipher suites represented as a String, such as "RSA",     * "DHE_DSS". Note: for some exportable cipher suites, the key     * exchange algorithm is determined at run time during the     * handshake. For instance, for TLS_RSA_EXPORT_WITH_RC4_40_MD5,     * the authType should be RSA_EXPORT when an ephemeral RSA key is     * used for the key exchange, and RSA when the key from the server     * certificate is used. Checking is case-sensitive.     *     * @param chain the peer certificate chain     * @param authType the key exchange algorithm used     * @throws IllegalArgumentException if null or zero-length chain     *         is passed in for the chain parameter or if null or zero-length     *         string is passed in for the  authType parameter     * @throws CertificateException if the certificate chain is not trusted     *         by this TrustManager.     */    public void checkServerTrusted(X509Certificate[] chain, String authType)        throws CertificateException;     /**     * Return an array of certificate authority certificates     * which are trusted for authenticating peers.     *     * @return a non-null (possibly empty) array of acceptable     *          CA issuer certificates.     */    public X509Certificate[] getAcceptedIssuers();}