| 摘要 |
PROBLEM TO BE SOLVED: To provide a mechanism for authenticating a user of an information service system for a company and an individual, which try to construct the information service system, using WWW technology. SOLUTION: An authentication method identifier (a) allocated to an individual authentication method and a user device identifier ID allocated to an individual user device 300 are attached to a first authentication data 1D inputted by a user to generate a second authentication data 2D. The information service system 201 receives the second authentication data from the user device and attaches an information service system identifier (b), allocated to an individual information service system to the second authentication data to generate a third authentication data 3D. An authentication application service center 100 authenticates the user with the third authentication data and transmits authentication results to the information service system. |
