Indicates whether this DH instance has a private key associated with it or not. The private key may be retrieved with DH#priv_key.
Writes string to the SSL connection.
Sends “close notify” to the peer and tries to shut down the SSL connection gracefully.
A description of the current connection state. This is for diagnostic purposes only.
Sets the server hostname used for SNI. This needs to be set before SSLSocket#connect.
See TCPServer#listen for details.
Checks that cert signature is made with PRIVversion of this PUBLIC ‘key’