Digital content management method embedding device digital content management systems, digital watermarking, digital watermark detection apparatus, and program,

摘要

Digital content management system (1), the digital content by (100) the digital watermark embedding apparatus for generating a file having a file name of the digital watermark is embedded in the digital content in a managed object (100), the digital watermark embedding apparatus as an electronic watermark information the name of the file from which to electronic watermark embedded in the digital watermark information storage device for storing in association with the identification information of the digital content digital watermark is embedded (140), electronic watermark information storage device (140) Referring to the electronic watermark information, the digital content of the verification target, and an electronic watermark detection apparatus for detecting the file name of the digital watermark stored in (140) the digital watermark information storage device, and (150).