Keystone is a Python implementation of the OpenStack identity service API. Services included are: * Keystone - identity store and authentication service * Auth_Token - WSGI middleware that can be used to handle token auth protocol * Auth_Basic - Stub for WSGI middleware that will be used to handle basic auth * Auth_OpenID - Stub for WSGI middleware that will be used to handle openid auth protocol * RemoteAuth - WSGI middleware that can be used in services when Auth middleware is running remotely