移动流媒体条件接收系统的设计与实现  

Design and Implementation of Conditional Access System for Mobile Streaming Media

作　　者：鲁昊明[1] 杨杭军[1] 王健[1] 季晓勇[1] 

机构地区：[1]南京大学电子科学与工程系,江苏南京210093

出　　处：《电视技术》2010年第5期57-59,63,共4页Video Engineering

摘　　要：设计实现了一个移动流媒体条件接收系统,用以满足移动条件下高质量的视频点播和直播的需求。系统引入4层密钥管理体系,安全保密的性能强;纯软件的解决方案弥补了传统数字电视、手机电视需要硬件协助的缺陷,可移植性好。测试结果表明,该方案能够实现流媒体的实时安全通信。A conditional access system for mobile streaming media which can meet the demands of both high-quality live and video on demand is designed. The system introduces four-level administrative mechanism for keys and contains strong security features. Pure software solutions make up the defects that traditional digital TV, and mobile TV need assistances of hardware to work. The testing results show that the system can contain secure communications for real-time streaming media.

关 键 词：条件接收系统 RSA密码算法 高级加密标准 混沌伪随机序列 

分 类 号：TN948.55[电子电信—信号与信息处理] TP309.2[电子电信—信息与通信工程]