Original contents creation apparatus, derived contents creation apparatus, derived contents using apparatus, original contents creation method, derived contents creation method, and derived contents using method and verification method

摘要

Disclosed is an original contents creation apparatus realizing a protection of original contents and derived contents in a derived contents distribution by any number of secondary providers. An original contents creation apparatus includes a limitation rule acquisition unit for acquiring a limitation rule of a case of inserting additional secondary contents into original contents, and a joining/signature unit for joining the limitation rule and a first operation rule to the original contents, the first operation rule defining an operation of a case of having detected an insertion of secondary contents violating the limitation rule, and giving an electronic signature to the original contents to which the limitation rule and the first operation rule are joined.