USER AUTHENTICATION METHOD, RECORDING MEDIUM STORED WITH PROGRAM FOR EXECUTING THE METHOD, AND USER AUTHENTICATION SYSTEM USING THE METHOD

摘要

PROBLEM TO BE SOLVED: To provide a user authentication method capable of authenticating a user without impairing operability, and to provide a record medium in which a program for executing the method and a user authentication system using the method. SOLUTION: In this method, document data held on the side of a server computer is displayed on the screen of a client computer based on the access request from the client computer. At the time, in the server computer, authentication for permitting access to the document data by the user of the client computer is performed (step 101), the authenticated time is stored (step 102), and after the lapse of fixed time from the authenticated time (step 103), the authentication is performed again (step 104).