Certification module, apparatus, authentication module, method and computer program for calculating, providing and reviewing digital short term certificates

摘要

Embodiments relate to certification modules, apparatus, authentication modules, methods, and computer programs for calculating, providing, and testing digital short-term certificates. The certification module (30) for issuing digital certificates for authenticating a vehicle (100) comprises a processor (32) configured to calculate a plurality of digital short-term certificates based on a combination of a vehicle-specific digital long-term certificate and at least one bit vector that is authorized for the Vehicle (100) identified from a plurality of permissions. the certification module (30) further comprises an interface (34) configured to provide the vehicle (100) with the plurality of digital short-term certificates for authentication.