`OpenSSL::PKey::EC.generate` missing

[postmodern]

Does not appear that the OpenSSL::PKey::EC.generate method was implemented.

Steps To Reproduce

require 'openssl'
OpenSSL::PKey::EC.generate('prime256v1')

Expected Result

#<OpenSSL::PKey::EC:...>

Actual Result

NoMethodError (undefined method `generate' for OpenSSL::PKey::EC:Class)