H.264多安全级网络视频加密方案研究

Research on Video Encryption Scheme of H.264 Multi-level Security Network

为了满足网络多媒体在安全性和实时性上多样化的加密需求,同时为新一代的视频压缩编码技术提高安全保障。基于H.264视频编码标准和密码学原理,分析现有的视频加密算法性能,同时从安全性出发,面向网络视频服务需求制定多安全级网络视频加密方案。该方案针对不同网络视频提供安全、实时的服务,提高了网络资源利用率,对网络具有良好的适应性。同时也为新一代多媒体安全保护技术提供了新的思路。

This paper, based on the H. 264 video coding standard and crypto principle, analyzes performances of the existing video encryption algorithms, and presents a video encryption scheme of multi-level security network thus to meet the demands of network video services. This scheme could provide secure and real-time services for network video, improve the utilization of network resources, and has a good adaptability to various networks