telecommunication operators constantly launch new products to attract customers. On one hand
these products meet customer’s requirements
on the other hand
they make customers remember many usernames/passwords and telecommunication operators maintain many user information systems. So
how to construct centralized authentication and supply authentication service based on SIM card become the new focus of attention. This paper introduces the connotation of centralized authentication
analyzes its development trend
and offers the technology of centralized authentication based on SIM card fi nally.