java.lang.Object
- org.apache.flink.runtime.net.SSLUtils

```
public class SSLUtils
extends Object
```
Common utilities to manage SSL transport settings.

Constructor Summary

Constructors
Constructor Description

SSLUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static SSLHandlerFactory`	`createInternalClientSSLEngineFactory(org.apache.flink.configuration.Configuration config)`	Creates a SSLEngineFactory to be used by internal communication client endpoints.
`static SSLHandlerFactory`	`createInternalServerSSLEngineFactory(org.apache.flink.configuration.Configuration config)`	Creates a SSLEngineFactory to be used by internal communication server endpoints.
`static SSLHandlerFactory`	`createRestClientSSLEngineFactory(org.apache.flink.configuration.Configuration config)`	Creates a `SSLHandlerFactory` to be used by the REST Clients.
`static org.apache.flink.shaded.netty4.io.netty.handler.ssl.SslContext`	`createRestNettySSLContext(org.apache.flink.configuration.Configuration config, boolean clientMode, org.apache.flink.shaded.netty4.io.netty.handler.ssl.ClientAuth clientAuth, org.apache.flink.shaded.netty4.io.netty.handler.ssl.SslProvider provider)`	Creates an SSL context for the external REST SSL.
`static SSLHandlerFactory`	`createRestServerSSLEngineFactory(org.apache.flink.configuration.Configuration config)`	Creates a `SSLHandlerFactory` to be used by the REST Servers.
`static SSLContext`	`createRestSSLContext(org.apache.flink.configuration.Configuration config, boolean clientMode)`	Creates an SSL context for clients against the external REST endpoint.
`static SocketFactory`	`createSSLClientSocketFactory(org.apache.flink.configuration.Configuration config)`	Creates a factory for SSL Client Sockets from the given configuration.
`static ServerSocketFactory`	`createSSLServerSocketFactory(org.apache.flink.configuration.Configuration config)`	Creates a factory for SSL Server Sockets from the given configuration.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- SSLUtils
```
public SSLUtils()
```

Method Detail

createSSLServerSocketFactory

public static ServerSocketFactory createSSLServerSocketFactory(org.apache.flink.configuration.Configuration config)
                                                        throws Exception

Creates a factory for SSL Server Sockets from the given configuration. SSL Server Sockets are always part of internal communication.

Throws:: Exception

createSSLClientSocketFactory

public static SocketFactory createSSLClientSocketFactory(org.apache.flink.configuration.Configuration config)
                                                  throws Exception

Creates a factory for SSL Client Sockets from the given configuration. SSL Client Sockets are always part of internal communication.

Throws:: Exception

createInternalServerSSLEngineFactory

public static SSLHandlerFactory createInternalServerSSLEngineFactory(org.apache.flink.configuration.Configuration config)
                                                              throws Exception

Creates a SSLEngineFactory to be used by internal communication server endpoints.

Throws:: Exception

createInternalClientSSLEngineFactory

public static SSLHandlerFactory createInternalClientSSLEngineFactory(org.apache.flink.configuration.Configuration config)
                                                              throws Exception

Creates a SSLEngineFactory to be used by internal communication client endpoints.

Throws:: Exception

createRestServerSSLEngineFactory

public static SSLHandlerFactory createRestServerSSLEngineFactory(org.apache.flink.configuration.Configuration config)
                                                          throws Exception

Creates a SSLHandlerFactory to be used by the REST Servers.

Parameters:: config - The application configuration.
Throws:: Exception

createRestClientSSLEngineFactory

public static SSLHandlerFactory createRestClientSSLEngineFactory(org.apache.flink.configuration.Configuration config)
                                                          throws Exception

Creates a SSLHandlerFactory to be used by the REST Clients.

Parameters:: config - The application configuration.
Throws:: Exception

createRestSSLContext

@Nullable
@VisibleForTesting
public static SSLContext createRestSSLContext(org.apache.flink.configuration.Configuration config,
                                              boolean clientMode)
                                       throws Exception

Creates an SSL context for clients against the external REST endpoint.

Throws:: Exception

createRestNettySSLContext

@Nullable
public static org.apache.flink.shaded.netty4.io.netty.handler.ssl.SslContext createRestNettySSLContext(org.apache.flink.configuration.Configuration config,
                                                                                                       boolean clientMode,
                                                                                                       org.apache.flink.shaded.netty4.io.netty.handler.ssl.ClientAuth clientAuth,
                                                                                                       org.apache.flink.shaded.netty4.io.netty.handler.ssl.SslProvider provider)
                                                                                                throws Exception

Creates an SSL context for the external REST SSL. If mutual authentication is configured the client and the server side configuration are identical.

Throws:: Exception

Class SSLUtils

Constructor Summary