| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a third person who is not registered in server terminal equipment for intensively managing objects to safely operate an object owned by a user who is registered in the server terminal equipment. <P>SOLUTION: An authority delegation picture for executing an authority delegation operation to an object managed by a user is generated, and provided through a network to the client terminal equipment of the user who manages the object, and when the authority deletion operation to the object is performed through the authority delegation picture, an access ticket associated with access URL associated with the user and an authority deletion file and the authority deletion operation is generated, and encrypted by its own secret key, and connected to the access URL so that an access token can be generated. Then, the access token is encrypted by the public key of the user, and transmitted through the network to the user. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
