Abstract: The invention relates to a method and a device for the control of a locking mechanism (2) by a user (5) by means of a mobile terminal (1) comprising a user interface (4), means for establishing a local data connection (3) and means for establishing a connection to a network (6), in particular the Internet, wherein the locking mechanism (2) can be connected to the local data connection (3), wherein an identity provider (7) that can be connected to a network (6) and an authorization entity (8) that can be connected to a network (6) are provided, and wherein the mobile terminal (1) is designed to log in to the identity provider (7).