Image Encryption Using Permutation–Diffusion Approach

  • Rachna Tewani
  • Yash Garg
  • Jasmeet Singh BaggaEmail author
  • Akash Singh
  • Rahul Bhalsodia
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 612)


Image encryption is a critical area of cyber security that has emerged as a topic of interest for recent researches. This paper proposes a novel method for image encryption using chaos theory. Logistic maps are used to generate a set of 24 keys that are used to encrypt the image. The complete design is simple and efficient based on permutation, diffusion and optimization. The results obtained showed increased randomness in the encrypted images which is a primary parameter for quality of cipher. We have performed analysis on the proposed approach using histogram analysis, entropy and correlation coefficient.


Chaos theory Logistic map Permutation diffusion 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Rachna Tewani
    • 1
  • Yash Garg
    • 1
  • Jasmeet Singh Bagga
    • 1
    Email author
  • Akash Singh
    • 1
  • Rahul Bhalsodia
    • 1
  1. 1.Department of Information TechnologyBharati Vidhyapeeth’s College of EngineeringNew DelhiIndia

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