Privacy-Secure Digital Watermarking for Fair Content Trading

This chapter describes a privacy-secure digital watermarking scheme for fair content trading against cybercrime on digital content piracy and privacy leakage. Conventional digital watermarking schemes are effective only for providers since privacy of a client is not concerned though content is protected. Provider’s security as well as client’s security need to be considered to enhance security level of privacy management. Blind and Pseudo-blind watermarking schemes utilizing encryption and media processing respectively are the solutions to protect client’s security.