INFORMATION DISTRIBUTION SYSTEM, CONTENTS UTILIZING APPARATUS CONNECTED THERETO, INFORMATION SYSTEM INCLUDING THE SAME, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a contents distribution system in which registration of viewing equipment to a service provider is not required.

SOLUTION: Contents data 603 are created by enciphering contents, data 601 for distribution are created by adding contents information 602 containing the identifier of the relevant contents and the identifier of a user who requests the distribution of the contents, and distributed to user equipment. When utilizing the distributed contents, the user transmits the contents identifier and the user identifier contained in the data 601 for distribution of the contents to the service provider and demands a license to utilize the contents. The service provider decides whether the utilization is licensed or not and when it is possible to license the utilization, a decoding key of the contents data 603 is issued to perform charging processing related with the utilization of the contents.

COPYRIGHT: (C)2004,JPO