The user identification manner due to the mail of the browser phone, the optional terminal and the browser phone and the store server whom user identification manner of the user identification server and the authentication server, and the record media null

摘要

PROBLEM TO BE SOLVED: To provide a simple authentication method using a mail for safely authenticating a user by using a general browser phone (the output of an individual identification number and the function of receiving a mail) and a PC (the function of accessing a WWW site).;SOLUTION: S1-S4: a selective terminal X establishes an authenticating server A and a session via a store server S, receives a session ID and transmits the session ID and a mail address of the browser phone B. S6: A reserves a set of the session ID and the mail address of B and transmits an affirmation mail including the session ID to B. S7: B transmits to A an individual identification number based on the agreement and affirmation of the received session ID with the session ID of the affirmation mail. S8: A assures S of the person himself if the received individual identification number agrees with the individual identification number of a set of a mail address of B and an individual identification number being held in accordance with the set of the session ID and the mail address of B. S9: S permits X for log-in.;COPYRIGHT: (C)2003,JPO