International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2574

Full Length Research Paper

Hybrid model of chaotic signal and complete binary tree for image encryption

Mehrzad Khaki Jamei1, Rasul Enayatifar2 and Hamid Hassanpour 3*
  1Islamic Azad University, Sari Branch, Sari, Iran. 2Islamic Azad University, Firuzkooh Branch, Firuzkooh, Iran. 3Department of Computer Engineering and Information Technology, Shahrood University of Technology, Shahrood, Iran.
Email: [email protected]

  •  Accepted: 25 January 2011
  •  Published: 18 February 2011

Abstract

 

In this paper, a new method was proposed for image encryption using chaotic signals and complete binary tree. In this method, perfect binary tree was utilized for further complexity of the encryption algorithm, higher security and changing the amount of gray scale of each pixel of the original image. Studying the obtained results of the performed experiments, high resistance of the proposed method against brute-force and statistical invasions was obviously illustrated. Also, the obtained entropy of the method which is about 7.9931 is very close to the ideal amount of 8.

 

Key words: Chaotic signal, image encryption, complete binary tree.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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