<p>The invention concerns an access control method for determining whether a given user (1) of a number of users may apply a given function of a set of functions to a given resource (2) among a plurality of resources, the resources being classified in accordance with at least one criterion. The inventive control access method comprises a step which consists in transmitting to an access control module (4) a message (5) including a user field (6) containing a group identifier of the given user, and a list of fields organized into at least one criterion field (14, 15), each criterion field containing the value of a criterion specific for the given resource.</p>
