io.netty.handler.ssl

Class OpenSsl

java.lang.Object

io.netty.handler.ssl.OpenSsl

public final class OpenSsl
extends Object

Tells if netty-tcnative and its OpenSSL support are available.

Method Summary

Methods

Modifier and Type	Method and Description
static Set<String>	availableCipherSuites() Returns all the available OpenSSL cipher suites.
static void	ensureAvailability() Ensure that netty-tcnative and its OpenSSL support are available.
static boolean	isAvailable() Returns true if and only if netty-tcnative and its OpenSSL support are available.
static boolean	isCipherSuiteAvailable(String cipherSuite) Returns true if and only if the specified cipher suite is available in OpenSSL.
static Throwable	unavailabilityCause() Returns the cause of unavailability of netty-tcnative and its OpenSSL support.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

isAvailable

public static boolean isAvailable()

Returns true if and only if netty-tcnative and its OpenSSL support are available.

ensureAvailability

public static void ensureAvailability()

Ensure that netty-tcnative and its OpenSSL support are available.

Throws:

UnsatisfiedLinkError - if unavailable

unavailabilityCause

public static Throwable unavailabilityCause()

Returns the cause of unavailability of netty-tcnative and its OpenSSL support.

Returns:

the cause if unavailable. null if available.

availableCipherSuites

public static Set<String> availableCipherSuites()

Returns all the available OpenSSL cipher suites. Please note that the returned array may include the cipher suites that are insecure or non-functional.

isCipherSuiteAvailable

public static boolean isCipherSuiteAvailable(String cipherSuite)

Returns true if and only if the specified cipher suite is available in OpenSSL. Both Java-style cipher suite and OpenSSL-style cipher suite are accepted.