Discussion based on the zigzag Scrambling MPEG4 video data encryption technology, pointing out that such a program in the security deficiencies, suggestions to improve the program. Improvement program with a different AC coefficient table Scrambling Scrambling, DC coefficient of high-strength encryption algorithm AES encryption. Finally, the effect of the improved encryption, and from the encryption speed, safety and code changes in the three indicators to measure the flow of the program application value.

Packet : 85375558implementation_and_improvement_of_mpeg4_video_encryption.rar filelist
基于ZigZag置乱的MPEG4视频加密方案及改进.pdf

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