Method and data processing system for image data in secure communication between authorities and citizens

摘要

The invention relates to a method for image data in secure electronic communication between authorities and citizens, characterized in that the communication from a citizens a citizens terminal (2) both the delivery of a repeatedly usable and in electronic form transmittable indicating (6) identification character sequence (pin) as well as the delivery of a, as a rule, which can be used only once and then used and in electronic form transmittable indicating (12) transaction character sequence (tan) requires that the identification character sequence (pin) is predetermined or the citizens can be predetermined by the citizens that the transaction character sequence (tan) is predetermined the citizens in that the delivered identification character sequence (pin) and transaction character sequence (tan) of a first data processing system (1) of the authority is received, and that the delivered identification character sequence (pin) and transaction character sequence (tan) automatically by comparison with an electronically stored reference data on their correctness be verified, as well as an associated data processing system.