Content distributing system, encrypting apparatus, content offering apparatus, content reproducing apparatus, license information offering apparatus, encrypting method, content offering method, content reproducing method, license information offering method, information processing program, and storage medium

摘要

A content distributing system for distributing content disclosed herein is an encrypting apparatus for encrypting each of objects constituting content using a different encryption key, a content offering apparatus for offering the encrypted content to a content reproducing apparatus; a license information offering apparatus for offering license information including information necessary for decrypting the encrypted content, and a content reproducing apparatus for acquiring the encrypted content from the content offering apparatus in order to decrypt and reproduce the acquired content using the license information acquired from the license offering apparatus.