Research On Digital Fingerprinting And Traitor Tracing

The fast development of computer networks facilitates the distribution of digital contents such as music and video.How to protect the copyrights of digital contents and protect privacy is a big challenge and receives a lot of attention.This dissertation focuses on how to apply digital fingerprinting and traitor tracing to the copyright protection of digital contents and privacy protection.The main results are as follows:(1) An overview and introduction to information hiding and digital fingerprinting is provided,including their research history,recent studies and developments.A summary of the taxonomy and applications of information hiding is given.(2) A brief description of fingerprinting is presented,including its concepts and examples.An analysis of the existing digital fingerprinting schemes is given,and their advantages and drawbacks are discussed.A detailed description of an anonymous fingerprinting scheme is provided.(3) Introduce the concepts and taxonomy of traitor tracing.Analyze the existing traitor tracing schemes,and describe in detail an anonymous asymmetric public key traitor tracing scheme.(4) A summary and analysis of the existing anonymous fingerprinting schemes is given.Based on a group signature scheme, An anonymous fingerprinting scheme is proposed.