Date Added: Aug 2011
One of the most important steps for the provision of secure networked services is the authentication procedure between a Mobile Station (MS) and a network. In Third Generation (3G) mobile networks, authentication is executed between a MS, the Access Network (AN) that provides wireless connection to the MS, and the Home Network (HN) where MS is subscribed. The MS initiates the authentication procedure by sending an authentication request to the AN. If the latter has authentication credentials available for the specific MS, then the AN authenticates MS.