数字视频加密方法研究进展

Research Progress of Digital Video Encryption

随着视频数据在网络通信流量中逐渐占据主导地位,其安全性日益引起人们的重视。视频数据与一般的文本数据相比存在诸多不同,同时视频通信对带宽和实时性要求很高,传统的数据加密方法无论在计算复杂度,还是与视频编码标准的兼容性方面,都不能适应现状。本文对目前国内外学者在该领域的研究进展做了较详细的描述,在分析和比较各种加密方法的优点、缺点的基础上提出了自己的观点。

With the video data gaining dominant proportion in network flow, people attach most importance to it＇s security. Because there are more difference between video data and text data, and more bandwidth and real-time required by video communication, traditional encryption algorithm can not satisfy the video＇s particularity, include compute complexity and compatibility with current video coder. This paper describe the progress of digital video encryption and propose some viewpoint on the basis of comparison between varies of algorithm.