To provide an information management device for, when user information held by a certain company is used by another company, issuing an access token to limit the destination receiving the user information.
The information management device communicates with terminal equipment used by a user and an information utilization device which utilizes the user information, and manages the user information. A storage means stores an information utilization device identifier for specifying the information utilization device and random numbers in association with each other.A connection means connects the random numbers stored in the storage means with authentication information to be used for authentication of the user.A hash value calculation means calculates a hash value by a hash function from a code connected by the connection means.An access token issuing means issues the hash value calculated by the hash value calculation means to the terminal equipment as an access token for accessing the user information.
COPYRIGHT: (C)2010,JPO&INPIT
Tomohiko Iwakuni
Aya Matsumoto
Mukai Makoto
Softbank Mobile Co., Ltd.
| JP2002229953A | ||||
| JP2005202869A | ||||
| JP2008242926A | ||||
| JP2000312203A |
Motoji Aihara
Nobutoshi Takei