Method of manufacterer personalising of sub-devices or of sub-systems produced at at least one supplier

摘要

A method for post-individualization of fabricated secondary items (appliances) or systems in a telecommunication system with at least one supplier (Y) through a manufacturer (X) in which via a key-agreement function from provisional individual data of a main-appliance or system (1) and the secondary appliance of system (2), final individual data for the main-appliance or system and at least one secondary-appliance or system is generated, and which is known only to the manufacturer. Independent claims are included for the following. (A) A telecommunication system with a main-appliance (B) A digital storage medium with electronically readable signals (C) A computer-program product (D) A computer program with program code device.