| 摘要 |
In a device registration system, user authentication and device authentication of a CE device are executed in a single session, and the user and the CE device are associated with each other if these authentications succeed. A CE device obtains information for user authentication from an IC card and a portable memory, and sends the information and device authentication information to a device registration server. The device registration server sends the information for user authentication to a user authentication server, and the device authentication information to a device authentication server. The user authentication server executes user authentication, and sends user information of the user to the device registration server if the authentication succeeds. The device authentication server executes device authentication, and sends device information of the device to the device registration server if the authentication succeeds. The device registration server associates the user information and the device information with each other.
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