CONTENT OUTPUT DEVICE, COMPUTER PROGRAM FOR REALIZING THE SAME, CONTENT DISTRIBUTION OUTPUT SYSTEM, AND CONTENT OUTPUT METHOD

摘要

PROBLEM TO BE SOLVED: To distribute Web contents while ensuring security without increasing the burden on the user.

SOLUTION: A content output device is provided with a distribution server 100 which is constituted of a plurality of digital media made to correspond to one another and distributes Web contents in which key data for removing a digital watermark embedded in predetermined digital medium are added to another digital medium as an invisible watermark; and a receiving terminal 200 for receiving and outputting the Web contents distributed from the distribution server 100. The receiving terminal 200 then comprises a watermark removal control part 230 for extracting the key data from the digital medium of the Web cast contents; a decoder 240 for removing the digital watermark embedded in the other digital medium corresponding to the digital medium from which the key data are extracted, on the basis of the key data extracted by the watermark removal control unit 230; and a browser 250 for outputting the digital medium from which the digital watermark is removed.

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