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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* Copyright 2014 The Netty Project
*
* The Netty Project 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:
*
* https://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 io.netty.handler.ssl;
import io.netty.util.ReferenceCounted;
import io.netty.util.internal.UnstableApi;
import java.security.Provider;
/**
* An enumeration of SSL/TLS protocol providers.
*/
public enum SslProvider {
/**
* JDK's default implementation.
*/
JDK,
/**
* OpenSSL-based implementation.
*/
OPENSSL,
/**
* OpenSSL-based implementation which does not have finalizers and instead implements {@link ReferenceCounted}.
*/
@UnstableApi
OPENSSL_REFCNT;
/**
* Returns {@code true} if the specified {@link SslProvider} supports
* TLS ALPN Extension, {@code false} otherwise.
*/
@SuppressWarnings("deprecation")
public static boolean isAlpnSupported(final SslProvider provider) {
switch (provider) {
case JDK:
return JdkAlpnApplicationProtocolNegotiator.isAlpnSupported();
case OPENSSL:
case OPENSSL_REFCNT:
return OpenSsl.isAlpnSupported();
default:
throw new Error("Unknown SslProvider: " + provider);
}
}
/**
* Returns {@code true} if the specified {@link SslProvider} supports
* TLS 1.3, {@code false} otherwise.
*/
public static boolean isTlsv13Supported(final SslProvider sslProvider) {
return isTlsv13Supported(sslProvider, null);
}
/**
* Returns {@code true} if the specified {@link SslProvider} supports
* TLS 1.3, {@code false} otherwise.
*/
public static boolean isTlsv13Supported(final SslProvider sslProvider, Provider provider) {
switch (sslProvider) {
case JDK:
return SslUtils.isTLSv13SupportedByJDK(provider);
case OPENSSL:
case OPENSSL_REFCNT:
return OpenSsl.isTlsv13Supported();
default:
throw new Error("Unknown SslProvider: " + sslProvider);
}
}
/**
* Returns {@code true} if the specified {@link SslProvider} supports the specified {@link SslContextOption},
* {@code false} otherwise.
*/
public static boolean isOptionSupported(SslProvider sslProvider, SslContextOption> option) {
switch (sslProvider) {
case JDK:
// We currently don't support any SslContextOptions when using the JDK implementation
return false;
case OPENSSL:
case OPENSSL_REFCNT:
return OpenSsl.isOptionSupported(option);
default:
throw new Error("Unknown SslProvider: " + sslProvider);
}
}
/**
* Returns {@code true} if the specified {@link SslProvider} enables
* TLS 1.3 by default, {@code false} otherwise.
*/
static boolean isTlsv13EnabledByDefault(final SslProvider sslProvider, Provider provider) {
switch (sslProvider) {
case JDK:
return SslUtils.isTLSv13EnabledByJDK(provider);
case OPENSSL:
case OPENSSL_REFCNT:
return OpenSsl.isTlsv13Supported();
default:
throw new Error("Unknown SslProvider: " + sslProvider);
}
}
}
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