SYSTEM FOR DELEGATION OF AUTHORITY, ACCESS MANAGEMENT SERVICE SYSTEM, MEDIUM, AND METHOD FOR CONTROLLING THE SYSTEM FOR DELEGATION OF AUTHORITY

摘要

In sequential processing including issuance of an approval token from a user to a cooperation source service via an access management service, a system for delegation of authority confirms whether each of the user and the cooperation source service has a sufficient authority to execute a service of a cooperation destination before issuing the approval token.