同密
- 网络simulcrypt
同密-
基于DVB的CA系统通过同密/多密等技术构建。
The CA system based on DVB was set up by same-encrypt / multi-encrypt technology etc.
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介绍并比较分析目前国际上的两种实现CAS的技术标准：DVB同密、多密技术与POD技术。
This paper describes and analyzes the two technology standards of realization of CAS in the world today .
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对CA系统的结构框架、工作原理、同密、多密工作模式及系统中的加密算法和CA系统的安全性进行了研究。
To structure frame , operation principle , CA of system , with dense , how dense work pattern and encryption algorithm and security , CA of system of system carry on research .
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EIS是数字电视前端的管理调度系统，完成产品管理、加扰器的调度、CAS的同密管理等功能。
EIS is to schedule and manage the front devices in DTV field , it can manage products , schedule scramblers , arrange CAS simulcrypt and so on .