A New DNA-Combining Chaos Scheme for Fast and Secure Image Encryption

  • Augustin Ousmanou Ahgue
  • Jean De Dieu NkapkopEmail author
  • Joseph Yves Effa
  • Samuel Franz
  • Raul Malutan
  • Monica Borda
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11359)


This paper aims to introduce a new secured image encryption scheme base on Peace Wise Linear Chaotic Map (PWLCM) and DeoxyriboNucleic Acid (DNA) encoding. The first step is to increase the entropy of the original image by applying a dynamical XOR operation through all the pixels of the image. To satisfy security requirement inherent to an encryption algorithm, PWLCM random sequences are combined with DNA encoding rules, picked randomly among 8 rules available, in order to generate a DNA OTP-key used for encryption. The last step is to replace every pixel of the image with a randomly chosen index that corresponds to one index of occurrence of its DNA equivalent in the OTP-key following an S-BOX strategy. Experimental results show that this encryption algorithm is fast and efficient compared to existing solutions, but also secure to various types of attacks such as statistical attacks, differential attack or brute-force attacks.


DNA sequence Chaos PWLCM Image encryption OTP S-Box 



The work described in this paper was supported under the Postdoctoral Fellowships Program “Eugen Ionescu” funded by Romania government and managed by the “Agence Universitaire de la Francophonie (AUF)”.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Augustin Ousmanou Ahgue
    • 1
  • Jean De Dieu Nkapkop
    • 1
    Email author
  • Joseph Yves Effa
    • 1
  • Samuel Franz
    • 2
  • Raul Malutan
    • 3
  • Monica Borda
    • 3
  1. 1.University of NgaoundéréNgaoundéréCameroon
  2. 2.ENSEIRB MATMECA of BordeauxBordeauxFrance
  3. 3.Technical University of Cluj-NapocaCluj-NapocaRomania

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