文献类型：会议论文

英文题名：A Novel Stream Cipher for Video Compressed By H.264

作者：Shen Hai-Wei[1];Li Jin-Ping[1]

通讯作者：Shen, HW[1]

机构：[1]Beijing Union Univ, Inst Informat, Beijing, Peoples R China

第一机构：北京联合大学智慧城市学院

通讯机构：[1]corresponding author), Beijing Union Univ, Inst Informat, Beijing, Peoples R China.|[1141734]北京联合大学智慧城市学院;[11417]北京联合大学;

会议论文集：International Forum on Computer Science-Technology and Applications

会议日期：DEC 25-27, 2009

会议地点：Chongqing, PEOPLES R CHINA

语种：英文

外文关键词：compressed video; encryption; H.264; stream cipher; pseudo-random

摘要：The characteristics of video data are very large amount and real time processing request, and H.264 is a high-complexity video compression standard, so a high speed arithmetic is needed for encrypting video data which is encoded by H.264 standard. But, for a high security video application, it's difficult to find an algorithm to meet the two requests: high security, high speed. A new stream cipher is introduced at this article which uses a parameter to balance the security and computing speed, and then the requests for security and computing speed will be fit, by encrypting important data with high-security parameter and encrypting unimportant data with high-speed parameter.