Implementing a security association for the attachment of a terminal to an access network

摘要

Method of implementing a security association to a terminal (UE) which subscribes to an access network (ACC_NET), characterized by including the steps, executed by an authentication server (AAA) of the access network, in response to receiving (211) a request for assignment to the network comes from the terminal: receiving (216, 218 '), from a server activation function (BSF), a first message containing at least one parameter of security association (B-TID, Tks); authenticating (217, 219 ') of the terminal via at least one first authentication parameter (RAND, AUTN, XRES) provided by a server residential subscriber (HSS) of said terminal; and sending (218, 220 ') to a terminal authenticated message security association containing said at least one parameter security association.