METHOD TO PROVIDE IDENTIFICATION IN PRIVACY MODE

摘要

The present invention relates to a method to provide user identification in privacy mode for using a user device (UE) with a Mobile Network Operator subscription to an on-line service offered by a service provider (SP) thanks to a GBA infrastructure comprising at least a Network Application Function (NAF) server suitable to retrieve at least a GBA secret key (KNAF) shared with the user device (UE). According to the invention the NAF server is used as identity provider and verifier.