A Multimedia Copyright Protection Protocol Based on Digital Watermarking and Digital Signature
Wei Lu · 2010
With the fast development of Internet and popularization of the E-Commerce, the importance and urgency of digital media copyright protection is more and more obvious nowadays. How to use the digital watermarking technique to protect the copyright of digital media author or seller and the rights of buyer effectively has become the important research topic of network security area. A new scheme based on digital watermarking to protect the rights of digital media is proposed. In this scheme, the digital watermarking and digital signature can be used to trace the source of the illegal copy. The owner takes charge the embedding of watermark, and the information in watermark include the digital digest of the media and the identity of purchaser, and the information is unreadable to the owner. The three parts in this scheme, owner, purchaser and watermark CA(Certification Authority), keep and maintenance the necessary information in deal, it can be used in dissension. Keyword: digital watermarking; digital signature; copyright protection; protocol