基于H．263的视频会议混沌加密方案设计  

The Design of Video Conference Chaos Encryption Scheme Based on H.263

作　　者：孟存燕[1] 童勇木[1] MENG Cun-yan,TONG Yong-mu （Tianjin University of Technology and Education, Tianjin 300222, China）

机构地区：[1]天津职业技术师范大学,天津300222

出　　处：《电脑知识与技术》2010年第9期7105-7107,共3页Computer Knowledge and Technology

基　　金：天津市科委重点项目（08JCZDJC21900）

摘　　要：随着社会发展，视频会议的应用越来越广泛，针对视频会议的加密算法设计逐渐成为研究热点。根据视频会议编码的特点，选择H．263视频编码标准作为视频的基本编码模式。结合混沌理论知识，重点阐述了视频会议数据选择性加密算法，将混沌伪随机序列与选择性加密算法相结合提出了一种部分加密方案。通过理论分析可知该方案在一定程度上达到了安全性和实时性的要求。With the rapid development of the society, video conference is used more and more widely. The encryption algorithm design of video conference is becoming the research focus gradually. According to the characteristics of video conference coding, this paper employs the basic coding mode of video conference standard H.263. Binding with the basic knowledge of chaos theory, the video conference data selective encryption algorithm is expounded emphatically. Combining the pseudo-random sequence generated by chaos with selective encryption, a new partial encryption scheme is put forward. The encryption scheme meets, to some extent, the requirements of safety and real-time of video conference system by analyzing the theoretically.

关 键 词：H.263标准 视频会议 混沌 视频加密 视频编码 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论;自动化与计算机技术—计算机科学与技术]