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An image encryption scheme based on a new hyperchaotic finance system

  • Xiao Jun Tong*
  • , Miao Zhang
  • , Zhu Wang
  • , Yang Liu
  • , Jing Ma
  • *Corresponding author for this work
  • School of Computer Science and Technology, Harbin Institute of Technology
  • School of Information Science and Engineering, Harbin Institute of Technology Weihai
  • Science and Technology on Information Assurance Laboratory

Research output: Contribution to journalArticlepeer-review

Abstract

For the realization of chaos encryption in higher dimension and improving security, in this paper, a new four-dimensional hyperchaotic finance system based on a chaotic finance system is presented. The chaotic sequence is generated by using Runge-Kutta method, the key sequence is generated by chaotic sequence comparison. The key sequence is used for image encryption with relation to plaintext. The results of several analyses about histogram, randomness and information entropy of the encrypted image show that the new hyperchaotic system has high security and complexity.

Original languageEnglish
Pages (from-to)2445-2452
Number of pages8
JournalOptik
Volume126
Issue number20
DOIs
StatePublished - 1 Oct 2015
Externally publishedYes

Keywords

  • Finance system
  • Hyperchaos
  • Image encryption
  • Pseudo-random sequence

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