Streaming Media Digital Rights Management System Design And Realization

With the success of the Internet, Streaming Media applications and compression technology make great improvements. The security issue of Streaming Media becomes more and more important. Based on ideas from the field of digital rights management (DRM), this paper discusses the design of a secure Streaming Media system and implements a scalable, flexible and more robust DRM system for Streaming Media.This paper is a part of the national high-tech 863 project. The research work relate to the technology of Streaming Media and DRM. I participate in the design and implement of Streaming Media subsystem.The main contributions of the paper are as follows:1. Based on the characteristic of streaming media, the encryption algorithm for MPEG-4 frames is analyzed.2. Based on the network protocols and technology analysis, design and implement the real-time delivery of streaming media by RTP/RTCP protocol and delivery of control information by TCP on Internet. In this way, the problem of delay is resolved successfully.3. Develop the Client player using DirectShow. This player can decrypt, decode and playback streaming media (MPEG-4 video).