Fast encryption of JPEG 2000 images in wireless multimedia sensor networks

  • Authors:
  • Tao Xiang;Chenyun Yu;Fei Chen

  • Affiliations:
  • College of Computer Science, Chongqing University, Chongqing, China;College of Computer Science, Chongqing University, Chongqing, China;Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong, China

  • Venue:
  • WASA'13 Proceedings of the 8th international conference on Wireless Algorithms, Systems, and Applications
  • Year:
  • 2013

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Abstract

A selective encryption algorithm joint with compression coding is proposed to protect JPEG 2000 images in wireless multimedia sensor networks (WMSN). The algorithm selectively encrypts the lookup table of probability model in MQ coding. As the size of lookup table is fixed and only such one table is used for an image, the proposed algorithm is fairly efficient and thus can perform fast encryption on large volume of JPEG 2000 images in WMSN. Experimental results and their analysis show that the algorithm is secure and energy saving, meanwhile, it does not impair the compression performance of JPEG 2000 coding obviously.