Patent ID: 7631187

Claim:
A method for the secure initialization of mobile data carriers (IM) within the frame of an authorization system (A), comprising the steps of: generating initialization data (DI) in an authorization process in a secure environment (g) at a remote authorization authority (HA) by means of authorization means (AM) said initialization data (DI) comprising authorization information (A-I) and initialization information (I-I) and being application-specific or system-specific, sending said initialization data (DI) over a network (N) in a secure communication according to security rules corresponding to the authorization system (A) to a decentralized authorized read and write station (A-WR) in an unsecured environment (u), and using said initialization data (DI) at said decentralized authorized read and write station (A-WR) to initialize a new mobile data carrier (IMj), a new application (App 3 ) or an extension of an application (App 2 . 2 ).