Telefonaktiebolaget LM Ericsson (publ)
SECURE AUTHENTICATION IN A COMMUNICATION NETWORK

Abstract:

The present invention relates to a method for secure authentication in a communication network. The method is performed in a user equipment, UE, and comprises providing an inner authentication key by an inner authentication process, deriving an outer authentication key by an outer authentication process, based on the inner authentication key, wherein the outer authentication key differs from the inner authentication key, and providing the derived outer authentication key to a security protocol/for subsequent, secure communication. A method, user equipments, network nodes, 5G core networks, computer programs, and a computer program product for secure authentication in a communication network are also presented.