摘要
CA条件接收系统是数字电视技术的重要一环 ,着重介绍数字电视技术DVB中CA系统的组成框架、典型的系统结构、系统工作原理、系统所使用的密钥安全体系分析以及加扰技术、加密技术 ,其中包括同密与多密的概念等。
The CA(Conditional Access )System is the main frame in the DVB technology,the article mainly introduces several part including that the CA system frame part,the typical system constructions,the system working principal,the analyze of key security system,the scrambling technology and the encryption technology which concerning the concept of Simul-Cryption and the Multi-Cryption etc.
出处
《中国有线电视》
北大核心
2004年第14期34-37,共4页
China Digital Cable TV
关键词
数字电视
条件接收
加密
同密
多密
Conditional Access
Scramble
Encryption
Security System
Simul-Crypt
Multi-Crypt
