.. _validate-controller:
   
Validate Controller
-------------------
  

.. autoclass:: linotp.controllers.validate.ValidateController
   :members: check, simplecheck, check_s, check_url, check_yubikey, smspin, samlcheck
   
   
Authentication workflow
~~~~~~~~~~~~~~~~~~~~~~~

The following diagram denotes the authentication workflow. 
The loginname is reverse resolved to the userid by the useridresolver. 
Using the userid all tokens assigned to this user can be found in the token database.

.. figure:: images/workflow.png
   
   *The authentication workflow in LinOTP*