Methods for authenticating a client, and to operate an authentication server in a communication system, authentication server, method for operating a client coupled to a communication network terminal, client, and method for authenticating user equipment.

摘要

Methods for authenticating a client, and to operate an authentication server in a communication system, authentication server, method for operating a client coupled to a communication network terminal, client, and method for authenticating user equipment.A method to authenticate a client to two or more servers coupled together via a communications network, where the client and a first server has a secret shared.The method includes authenticating the client to the first server using mentioned secret shared, signalling associated with this authentication process being sent between the client and the first server through mentioned a second server generates a session key in the clie NTE and the first server, and providing the session key to the mentioned second server.And using the session key to authenticate the client to the second server