根据P2P网络的特点和DRM数字版权管理系统的要求,利用基于智能卡的公钥基础设施和P2P用户网络建立一种新的DRM数字版权管理系统,本文介绍系统各个部分的功能和系统工作流程,并就相关的系统安全性进行分析。该系统克服了传统C/S模式下DRM系统缺点,又解决了P2P内容分发模式的版权缺失问题。
Considering the characteristics of P2P networks and the requirements of DRM system, a new DRM sys- tem was designed, which takes advantage of public key infrastructure based smarteard and P2P network of users. This paper introduces the functions of different parts of the system and the processes of the system, and then the corresponding security analysis of the system is given.