| 摘要 |
PROBLEM TO BE SOLVED: To provide a service providing device capable of flexibly dealing with a service request. SOLUTION: In this service providing system, a server 20 executes authentication processing to a client 10 based on a permanent link key acquired from a client 10 and a permanent link key registered in its own authentication DB (S340), and even when the client 10 is not authenticated by the permanent link key within the term of validity (S350: NO), as long as the client 10 is authenticated by the permanent key beyond the term of validity (S370: YES), a service is temporarily provided under a prescribed condition (S390: YES). Thus, it is possible to flexibly deal with the service request, and it is possible for a user side to easily use the service. COPYRIGHT: (C)2003,JPO |
