AUTHENTICATION SYSTEM, SINGLE SIGN-ON SYSTEM, SERVER DEVICE AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a new authentication system which can use any personal computer setup environment and does not require a user to separately carry a physical device for authentication.

SOLUTION: A server device includes a means to create a client session ID display information which displays a client session ID assigned to a login request transmitted from a web browser of a client PC and transmit it to the web browser and a means to manage login information containing an identification number of a mobile phone. The mobile phone includes a means to input the client session ID and a means to transmit the inputted client session ID and the identification number to the server device. The server device performs login authentication of the user of the client PC of a transmission source of the login request which corresponds to the client session ID based on the identification number received from the mobile phone.

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