| 摘要 |
PROBLEM TO BE SOLVED: To provide a navigation server that can ensure the protection of information specific to each user transmitted from a navigation client to the navigation server without impairing convenience.SOLUTION: A navigation server 100 comprises a support database 102, a server calculation processing element 110, and a server communication device 130. The support database 102 associates to store an authenticator Ukey specific to a user of a navigation client 200 with first information including operation data FCD of the user. The server calculation processing element 110 permits or denies access on the basis of whether the support database 102 has stored an authenticator UID and whether it has communicated with the navigation client 200 in the past. The server communication device 130 has a client output device 202 display a screen including the history of the operation data FCD on the basis of communication with the navigation client 200 access to which is permitted.SELECTED DRAWING: Figure 1 |
