And user authentication system, provides server apparatus for use in the user authentication system, a mobile communication device, a portable communication device for a user, the portable communication device and the authentication server for the approver, the program for these devices

摘要

PROBLEM TO BE SOLVED: To prevent leakage of authentication information for securing enhanced security while reducing a burden of a user.;SOLUTION: An authentication screen generation part 111 and an authentication screen output part 112 transmit bar codes representing terminal identification information and service identification information to a terminal device 2. A camera part 33 and a bar-code decode part 311 read the terminal identification information and the service identification information from the bar codes, and an authentication information management part 312 transmits authentication information, which is stored in an authentication information storage part 321 in association with the service identification information, to a server device 4. An authentication processing part 412 authenticates a service use right based on the authentication information sent from the portable communication device 3. An authentication result management part 413 sends notification information showing permission/prohibition of provision of a service to the terminal device 2 to the providing server device 1 based on the authentication result.;COPYRIGHT: (C)2007,JPO&INPIT