AGREEMENT OF EXCHANGE KEYS ON THE BASIS OF TWO STATIC ASYMMETRIC KEY PAIRS

摘要

The invention provides a method for setting up a subscriber identity module (SIM) for agreeing one or more exchange keys (K) between a subscriber identity module (SIM) and a provisioning server (OTA S). The one or more exchange keys (K) are generated from keys of the provisioning server and the subscriber identity module on a production server (Prod S) and are transmitted to the subscriber identity module (SIM) and stored, so that the subscriber identity module (SIM) is put particularly into a state as though it had generated the exchange keys (K) itself. A method for agreeing one or more exchange keys (K) between a subscriber identity module (SIM) and a provisioning server (OTA S) involves the subscriber identity module sending its public key to the provisioning server, which then generates the exchange keys.