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Volume 41 Issue 1
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Journal of Beijing University of Aeronautics and Astronautics  > 2015  >  41(1): 117-123.
WANG Wei, HUANG Hao, XIE Changsheng, et al. Video encryption algorithm of content associated key[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 117-123. doi: 10.13700/j.bh.1001-5965.2014.0459(in Chinese)
Citation: WANG Wei, HUANG Hao, XIE Changsheng, et al. Video encryption algorithm of content associated key[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 117-123. doi: 10.13700/j.bh.1001-5965.2014.0459(in Chinese)
shu

Video encryption algorithm of content associated key

doi: 10.13700/j.bh.1001-5965.2014.0459
  • 1.

    School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China

  • 2. Wuhan National Laboratory for Optoelectronics, Wuhan 430074, China

  • Received Date: 28 Apr 2014
  • Publish Date: 20 Jan 2015
    Abstract
  • With the development of computer technology and video, display technology, there are new requirements of video encryption algorithm. A video content associated key concept was proposed and used in the encryption of video after the research of current video encryption algorithm's defects in video copyright protection technologies. The extraction algorithm which used the motion vector prediction residual as sensitive data extracted the sensitive data from the plaintext video. The extraction algorithm effectively destroyed the video quality within 10% sensitive data extraction ratio. In order to prove the effect of extraction algorithm, the video quality measurement algorithm of peak signal to noise ratio (PSNR) and structural similarity index measurement (SSIM) was used to assess encrypted videos with different video contents and parameters, and proved the performance by performance analysis and comparison with other algorithm. The experiment results show the validity and consistency of video encryption algorithm based on the content associated key.

     

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