CONTENT PROVIDING SYSTEM, CONTENT REPRODUCTION DEVICE, CONTENT DELIVERY SYSTEM, CONTROL METHOD OF CONTENT PROVIDING SYSTEM, CONTROL METHOD OF CONTENT REPRODUCTION DEVICE, CONTROL PROGRAM, AND STORAGE MEDIUM
摘要
<P>PROBLEM TO BE SOLVED: To provide a content delivery system, capable of safely and surely performing recovery of content charges while preventing unauthorized use of contents. <P>SOLUTION: The content providing system 200 comprises a content encryption part 42 which transmits an encrypted content D2 to a cellular phone 1 for reproducing contents; a right information DB 71 which records right information for releasing reproduction restrictions conforming to each content; a terminal ID acquisition part 61 which specifies a purchased content based on a content ID contained in a purchase request message D3 received from a user of the cellular phone 1; a right information generation part 63 which specifies right information corresponding to the specified content from the right information DB 71; and a right information output part 64 which records the specified right information on a storage medium readable by the cellular phone 1 as a means for delivering the right information to the cellular phone 1. <P>COPYRIGHT: (C)2008,JPO&INPIT
