EIS is to schedule and manage the front devices in DTV field, it can manage products, schedule scramblers, arrange CAS simulcrypt and so on.
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。
The structure and principle of the CAS are introduced, application models of simulcrypt and multicrypt, used in CAS are analyzed. Besides, encryption arithmetic in CAS is discussed int…
研究了CAS的结构框架和工作原理，分析了同密、多密的工作模式，并对系统中的加密算法进行了探讨。
The structure and principle of the CAS are introduced, application models of simulcrypt and multicrypt, used in CAS are analyzed. Besides, encryption arithmetic in CAS is discussed int…
研究了CAS的结构框架和工作原理，分析了同密、多密的工作模式，并对系统中的加密算法进行了探讨。
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