/* * 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.compat; import java.security.NoSuchAlgorithmException; import javax.net.ssl.SSLContext; import org.apache.tomcat.util.net.Constants; /** * This class checks for the availability of TLS features. * * @deprecated Unused. This will be removed in Tomcat 10. */ @Deprecated public class TLS { private static final boolean tlsv13Available; static { boolean ok = false; try { SSLContext.getInstance(Constants.SSL_PROTO_TLSv1_3); ok = true; } catch (NoSuchAlgorithmException ex) { } tlsv13Available = ok; } public static boolean isTlsv13Available() { return tlsv13Available; } }