| 摘要 |
A server system includes an application server and a data server. The application server includes an application authentication unit that authenticates an application on the basis of information that has been received from a communication terminal and that is related to the application included in the terminal and includes a token issuing unit that issues, when the legitimacy of the application has been authenticated, signature information that includes server information that indicates a server that stores therein data accessed by the application. The data server includes an authentication unit that determines, on the basis of the signature information received from the communication terminal, whether the server information included in the signature information indicates the data server and includes a control unit that permits the application in the communication terminal to access the data when the server information indicates the data server. |
