| CPC H04W 12/06 (2013.01) [H04L 63/0853 (2013.01)] | 11 Claims |
|
1. A method to operate a secure chip card connected to a user equipment operating in a cellular network comprising a plurality of network slices, wherein for at least one network slice a slice authentication server is operational, the secure chip card comprising a secured memory with at least one slice authentication application,
the method comprising the steps of:
retrieving a slice authentication configuration message comprising a slice identification from the user equipment;
generating, by a slice authentication application of said secure chip card, an application user identifier considering the slice identification, said application user identifier representing a user who wants to get access to the network slice via the user equipment,
sending a slice attachment request comprising the application user identifier to the slice authentication server;
receiving a user verification request corresponding to said application user identifier from the slice authentication server;
acquiring user verification data acquired from the user of the user equipment,
sending a user verification result to the slice authentication server; and
receiving a slice authentication success message to the user equipment for the user of the user equipment to access to the slice corresponding to the slice identification.
|