https://github.com/Asmod4n/ruby-ffi-passwdqc https://rubygems.org/gems/ffi-passwdqc ruby-ffi-passwdqc ruby ffi wrapper around http://www.openwall.com/passwdqc/ Basic Usage passwdqc = Passwdqc.new passwdqc.check('short') # should return "too short" passwdqc.check('this is a very long password') # should return nil, which means its good enough