CPC G06F 21/31 (2013.01) [H04B 1/3827 (2013.01); H04L 63/0876 (2013.01); H04W 12/06 (2013.01)] | 18 Claims |
1. A mobile device communicating with a server providing a service requiring input of user authentication information, the mobile device comprising:
a display for, based on the mobile device being connected to the server, displaying an authentication information input screen for receiving the user authentication information;
a first communication interface configured to transmit, to the server, user authentication information input through the authentication information input screen and first simple authentication information generated in the mobile device;
a second communication interface configured to receive unique information of an electronic device by communicating with the electronic device; and
a processor configured to:
generate second simple authentication information by using unique information of the mobile device and the unique information of the electronic device, transmit the second simple authentication information to the server which stores the first simple authentication information and the user authentication information which are matched with each other, and control the display to display an authentication result screen provided from the server according to whether the first and the second simple authentication information are same,
wherein the authentication result screen comprises, based on the first simple authentication information and the second simple authentication information being same, information indicating that a user corresponding to the user authentication information matched with the first simple authentication information is authenticated, and
wherein the processor is further configured to:
based on a user command for registering simple authentication information being input, generate the first simple authentication information using the unique information of the mobile device and the unique information of the electronic device, and control the first communication interface to transmit the user authentication information and the first simple authentication information to the server.
|