计算机与现代化Issue(3):118-121,4.DOI:10.3969/j.issn.1006-2475.2012.03.031
数字电视CA系统发送端通信接口实现
Design of Digital Video Broadcasting Conditional Access System Head-end Communication Interface
李熙 1陈新1
作者信息
- 1. 福州大学物理与信息工程学院,福建福州350108
- 折叠
摘要
Abstract
analyzing the basic principles of digital TV Conditional Access System (CAS) , the paper discusses the communication protocol of Entitlement Control Message Generator(ECMG) , Entitlement Management Message Generator (EMMG) , Simul-crypt Synchronizer (SCS) and multiplexed MUX). Proposes a software solutions to achieve the generation of Entitlement Control Message(ECM), Entitlement Management Message (EMM) and multi-threaded communication between ECMG and scrambler.关键词
条件接收系统/数字电视/同密协议/授权控制信息/授权管理信息Key words
CAS/ DTV/ SimulCrypt/ ECM/ EMM分类
信息技术与安全科学引用本文复制引用
李熙,陈新..数字电视CA系统发送端通信接口实现[J].计算机与现代化,2012,(3):118-121,4.