AUTHORITY TRANSFER DEVICE, AUTHORITY TRANSFER SYSTEM, AUTHORITY TRANSFER METHOD AND AUTHORITY TRANSFER PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide an authority transfer system allowing use of a token by a class of a first user when a second user uses the token acquired from the first user.;SOLUTION: A transfer token issuing part 10 issues a transfer token for transferring the token of the first user to a third party by a request from a first user terminal U1. A transfer disclosure part 11 discloses the transfer token issued by the transfer token issuing part 10. When a use transfer token issuing part 12 receives an acquisition request of the transfer token disclosed in the transfer disclosure part 11 from a second user terminal Un, the use transfer token issuing part 12 issues a use transfer token for allowing the second user to use the received transfer token, and provides the issued use transfer token to the second user. The use transfer token issuing part 12 issues the use transfer token including at least the class of service used by the first user.;COPYRIGHT: (C)2009,JPO&INPIT