DVB-C条件接收系统及智能卡解决方案的设计与实现

The Conditional Access System of DVB-C and Design of the Intelligent Card

介绍数字电视条件接收系统的工作原理及一个基于智能卡的条件接收系统的设计方法。该设计方案考虑了多样性和可扩展性,实现加解扰及加解密的基本功能,也充分考虑了系统的安全性,并且从商业性上考虑了服务提供商、用户、CA制造商三方的利益。

Introduce the operation principle of the conditional access system of digital TV and a design method based on the intelligent card. Consider the variety and expansibility, realize adding and solving disturbing and add the basic function deciphered in design plan. Consider the systematic security and the interests of service provider, user, CA manufacturer three respects from business.