Method for restricting the use of an application program, system for authenticating the user of a measuring apparatus, authentication server, client apparatus and storage medium

A method for modifying use authority of a user for a system which comprises a measurement apparatus configured to measure a sample, a client computer on which an application program used for processing measurement results of the measurement apparatus is installed, and an authentication server arranged in a place different from a facility where the measurement apparatus is arranged, the method comprising steps of:

• receiving, by the client computer, input of authentication information used to authenticate a user;
• sending the input authentication information from the client computer to the authentication server;
• authenticating, by the authentication server, a user based on the authentication information sent from the client computer;
• when a user authentication is successful, acquiring, by the client computer, use authority information related to the authenticated user from a database of the authentication server, wherein the application program comprises a plurality of objects, and the database stores use authority information which defines use authority to a use objects for each of the plurality of objects;
• setting, by the client computer, use restrictions of the application program for the authenticated user based on the acquired use authority information;
• when the acquired use authority information indicates that the authenticated user is allowed to use one of the plurality of objects for modifying the use authority information stored in the database, receiving, by the client computer, an instruction to modify the use authority information stored in the database;
• sending the instruction from the client computer to the authentication server;
• and
• modifying, by the authentication server, the use authority information stored in the database according to the instruction received from the client computer.