CONTENTS SERVICE APPARATUS AND METHOD

摘要

A method, apparatus, and system for intermediating contents service. The method includes changing at least part of contents to produce a plurality of pieces of changed key data which are different from each other; and managing trading of the contents between a first and a second device using the produced plurality of pieces of changed key data. The apparatus includes a contents publishing unit which changes at least part of contents, produces a plurality of pieces of changed key data which are different from each other, and stores information on the plurality of pieces of changed key data in a storage unit; and a trade managing unit which manages trading of the contents between a first device and a second device using the stored information on the plurality of pieces of changed key data. The system includes a contents service intermediating server, and first and second devices for trading contents.