SECURE ACCESS TO A SUBSCRIPTION MODULE

摘要

A method of providing to a client communications device access to a subscription module of a server communications device, the method comprising the steps of establishing a communications link between the client communications device and the server communications device; and communicating a number of messages comprising data related to the subscription module between the server communications device and the client communications device via the communications link. The method further comprises the step of providing integrity protection of the messages communicated between the server communications device and the client communications device via the communications link.