H.264/AVC标准中基于CABAC的数字视频加密研究

doi:1000-436X(2007)06-0024-06

通信学报 ›› 2007, Vol. 28 ›› Issue (6): 26-33.doi: 1000-436X(2007)06-0024-06

H.264/AVC标准中基于CABAC的数字视频加密研究

包先雨¹,蒋建国^1,²,袁炜¹,李援¹

¹ 合肥工业大学计算机与信息学院，安徽合肥 230009
² 合肥工业大学安全关键工业测控技术教育部工程研究中心，安徽合肥230009

出版日期:2007-06-25 发布日期:2017-06-17
基金资助:
国家自然科学基金资助项目;安徽省“十五”二期科技攻关重大计划基金资助项目

Study of CABAC-based digital video encryption in the H.264/AVC standard

Xian-yu BAO¹,Jian-guo JIANG^1,²,Wei YUAN¹,Yuan LI¹

¹ School of Computer ＆ Information, Hefei University of Technology, Hefei 230009, China
² Engineering Research Center of Safety Critical Industrial Measurement and Control Technology, Ministry of Education, Hefei University of Technolgoy, Hefei 230009, China

Online:2007-06-25 Published:2017-06-17
Supported by:
The National Natural Science Foundation of China;The Tenth Five-Year Science and Technology Key Program of Anhui Province

摘要/Abstract

摘要：

分析和总结了用于新一代视频编码标准 H.264/AVC 加密的候选域，在此基础上提出了一种新的基于CABAC（基于上下文的自适应二进制算术编码）的数字视频加密方案，并给出了2种安全加密操作：RCME（规则编码模式加密）和BCME（旁路编码模式加密）实现了残差系数码字、运动矢量差码字和帧内预测模式的加密保护。实验结果表明，该方案具有较好的安全性、编码效率和误码顽健性。

关键词: 视频加密, 混沌加密, 保密性, 密钥同步, 熵编码, CABAC

Abstract:

Several candidate domains were analyzed and summarized to apply encryption to the latest video coding standard H.264/AVC, and a novel digital video encryption scheme based on CABAC (context-based adaptive binary arithmetic coding) was proposed. During the CABAC encoding, two kinds of secure encryption operations including RCME (regular coding mode encryption) and BCME (bypass coding mode encryption) were utilized, in order to encrypt residual coefficient codeword, motion vector difference codeword and intra-prediction mode, respectively. The experimental results show that the scheme has significant advantages on security, coding efficiency, and errors robustness.

Key words: video encryption, chaos encryption, confidentiality, key synchronization, entropy coding, CABAC

包先雨,蒋建国,袁炜,李援. H.264/AVC标准中基于CABAC的数字视频加密研究[J]. 通信学报, 2007, 28(6): 26-33.

Xian-yu BAO,Jian-guo JIANG,Wei YUAN,Yuan LI. Study of CABAC-based digital video encryption in the H.264/AVC standard[J]. Journal on Communications, 2007, 28(6): 26-33.

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H.264/AVC标准中基于CABAC的数字视频加密研究

Study of CABAC-based digital video encryption in the H.264/AVC standard

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