SSL returned when requesting TLS Context

[Jeffrey Walton]

OpenJDK-7 provides a SSL context when requesting a TLS context.

According to the JavaDocs, 'SSLContext.getInstance("TLS")' should return a TLS context, and I should *not* receive a context capable of SSL (http://docs.oracle.com/javase/7/docs/api/javax/net/ssl/SSLContext.html#getInstance%28java.lang.String%29):

    Returns a SSLContext object that implements the specified secure socket protocol.

And the docs on 'getEnabledProtocols' (http://docs.oracle.com/javase/7/docs/api/javax/net/ssl/SSLSocket.html#getEnabledProtocols%28%29):

    Returns the names of the protocol versions which are currently enabled for use on this connection.

**********

$ javac ProtocolTest.java && java ProtocolTest
Supported Protocols: 5
  SSLv2Hello
  SSLv3
  TLSv1
  TLSv1.1
  TLSv1.2
Enabled Protocols: 2
  SSLv3
  TLSv1

**********

Ubuntu 14.04 (x64), fully patched:

$ uname -a
Linux ubuntu 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

**********

$ java -version
java version "1.7.0_51"
OpenJDK Runtime Environment (IcedTea 2.4.6) (7u51-2.4.6-1ubuntu4)
OpenJDK 64-Bit Server VM (build 24.51-b03, mixed mode)

**********

SSLContext context = SSLContext.getInstance("TLS");
context.init(null,null,null);

SSLSocketFactory factory = (SSLSocketFactory)context.getSocketFactory();
SSLSocket socket = (SSLSocket)factory.createSocket();

String[] protocols = socket.getSupportedProtocols();

System.out.println("Supported Protocols: " + protocols.length);
for(int i = 0; i < protocols.length; i++)
{
     System.out.println(" " + protocols[i]);
}

protocols = socket.getEnabledProtocols();

System.out.println("Enabled Protocols: " + protocols.length);
for(int i = 0; i < protocols.length; i++)
{
     System.out.println(" " + protocols[i]);
}