The Design And Implementation Of A IPTV Digital Rights Management System

With the rapid development of broadband services, people demand more and more information content. In China, the number of TV subscribers are much higher than PC users, if TV subscribers can enjoy the broadband television business with the rich content and interactive services, then either the user or the operator or content providers, it will be a very good development model. IPTV is as an objective, to provide broadband-based television and interactive real-time business services.With the rapid development of IPTV technology, users enjoy a variety of programs, at the same time the importance of content protection for sources is becoming gradually important, IPTV digital rights management system provides a safe and reliable protection for the IPTV system, established a very sound protection from the content source to the user terminal. First of all, contents will be encrypted by pre-processing module of IPTV digital rights management system; when the IPTV end-user requests, IPTV digital rights management system will first distinguish the user's permission level, according to their permission level, distribution the corresponding decryption key to the user terminal, and then the authorized users can use the IPTV service. IPTV digital rights management system encrypts sources to protect the interests of content provider and prevent theft and illegal dissemination, users have sufficient permissions can be able to use the appropriate services, providing reliable protection for the operators. IPTV digital rights management system includes pre-processing module, content management module, key distribution module, content service module, authentication and authorization management module of five modules, each module achieved different functions respectively, while the system provides friendly interface operation for pre-processing module, content management module and content service module, to improve the user experience, enabling staff to be able to use more convenient operation and more concise access to services, improving work efficiency.