| CA系统接入控制和加密技术 |
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| 引用本文： | 吕中华.CA系统接入控制和加密技术[J].安徽科技学院学报,2008,22(5). |
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| 作者姓名： | 吕中华 |
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| 作者单位： | 安徽广播影视职业技术学院,安徽,合肥,230022 |
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| 摘 要： | CA系统是数字广播电视发展新业务的必要条件,本文通过加扰操作、寻址单元和安全体系结构解析了CA系统的模块,在CA系统中重点分析了"Simulcrypt" 和"Multicrypt"两种加密技术.
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| 关 键 词： | CA系统 控制字 加密 解码 |
The Technology of Access Control and Encryption in CA System |
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| LV Zhong-hua.The Technology of Access Control and Encryption in CA System[J].Journal of Anhui Science and Technology University,2008,22(5). |
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| Authors: | LV Zhong-hua |
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| Abstract: | CA system is necessary for broadcasting and television industry to develop new business.This paper is to make an analysis of the modules of CA system through increasing anti-jamming operation,address location and safety system structure.It focuses on the analysis of encryption schemes of simulcrypt and multicrypt. |
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| Keywords: | CA system Control word Encryption Decode |
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