Compression of Encrypted Visual Data

  • Michael Gschwandtner
  • Andreas Uhl
  • Peter Wild
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4237)

Abstract

Chaotic mixing based encryption schemes for visual data are shown to be robust to lossy compression as long as the security requirements are not too high. This property facilitates the application of these ciphers in scenarios where lossy compression is applied to encrypted material – which is impossible in case traditional ciphers should be employed. If high security is required chaotic mixing loses its robustness to compression, still the lower computational demand may be an argument in favor of chaotic mixing as compared to traditional ciphers when visual data is to be encrypted.

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Copyright information

© IFIP International Federation for Information Processing 2006

Authors and Affiliations

  • Michael Gschwandtner
    • 1
  • Andreas Uhl
    • 1
  • Peter Wild
    • 1
  1. 1.Department of Computer SciencesSalzburg UniversityAustria

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