ruby-omniauth-twitter 1.2.1-1 (amd64 binary) in ubuntu xenial

 Twitter offers a few different methods of integration. This strategy implements
 the browser variant of the "Sign in with Twitter" flow.
 .
 Twitter uses OAuth 1.0a. Twitter's developer area contains ample documentation
 on how it implements this, so if you are really interested in the details, go
 check that out for more.