WEB AUTHENTICATION SYSTEM, MOBILE TERMINAL, WEB TERMINAL, WEB SERVER, WEB AUTHENTICATION METHOD AND PROGRAM FOR THEM

摘要

PROBLEM TO BE SOLVED: To provide a Web authentication system for performing login authentication to a Web site on a network from a mobile terminal through a Web terminal.

SOLUTION: The mobile terminal 11 performs a transmission request of an authentication ticket necessary for login to the Web site to a Web server 13 via the network, receives the authentication ticket imparted with URL information of the Web site to a ticket including an authenticating number generated by a random number from the Web server 13 via the network, imparts a signature as the need arises, thereafter converts it into data for infrared communication, transmits contents of the authentication ticket to the Web server 13 through the Web terminal 12 by the infrared communication, performs ticket identification processing of confirming whether the authenticating number of the ticket transmitted in advance by the Web server 13 and an authenticating number in the contents of the authentication ticket are equal, and thereafter receives the effect indicating whether ticket identification succeeds via the network.

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