System and method for authorizing mobile terminal connecting to external device and external device authorizing mobile terminal

摘要

According to an aspect of the present invention, there is provided a portable terminal authentication system including an external device docked to a portable terminal and an authentication server for authenticating the portable terminal, wherein the external device includes a docking interface unit An identification code acquisition unit for acquiring an identification code of the portable device connected to the portable terminal and acquiring an identification code of the expansion device and an authentication request including an identification code of the portable terminal and an identification code of the expansion device, And a control unit for performing an authentication operation corresponding to a response to the authentication request transmitted from the authentication server, wherein the authentication server receives the authentication request from the communication unit and the external device, Authenticate whether the device is available And an authentication unit for transmitting a response to the authentication request to the external device.