| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique which enables a service using a Web browser as a client application to realize single sign-on without changing such a configuration that the client application receives user authentication.SOLUTION: In a single sign-on system, a client terminal executes a Web browser and a client application other than the web browser. A first server authenticates one of the applications and returns a result of the authentication to the one application. An authentication request unit requests a second server to transmit user authentication. The second server transmits the authentication result to the other application. |
