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Image encryption with an improved cryptosystem based on a matrix approach

Author

Listed:
  • M. T. Ramírez-Torres

    (Instituto de Investigación en Comunicación Óptica, UASLP, Álvaro Obregón No. 64 Centro, C.P. 78000 San Luis Potosí, S.L.P., México)

  • J. S. Murguía

    (Facultad de Ciencias, Universidad Autónoma de San Luis Potosí UASLP, Álvaro Obregón No. 64 Centro, C.P. 78000 San Luis Potosí, S.L.P., México)

  • M. Mejía Carlos

    (Instituto en Investigación en Comunicación Óptica, UASLP, Álvaro Obregón No. 64 Centro, C.P. 78000 San Luis Potosí, S.L.P., México)

Abstract

This paper carries out the image encryption with a revised and modified cryptosystem based on a rule-90 cellular automaton. For this purpose, we used an appropriate and convenient matrix approach to implement the main components of the encryption system, two indexed families of permutations and a pseudo-random bit generator. Furthermore, we modify the encryption scheme for improving its security. This makes our encryption proposal resist some common attacks, e.g. chosen plain-text attack, and the encryption and decryption processes are performed in a flexible way. Also, some security aspects of the cryptosystem are evaluated with a series of statistical tests exhibiting good results. It is believed that this proposal fits naturally in the present digital technology and is capable of achieving high levels of performance.

Suggested Citation

  • M. T. Ramírez-Torres & J. S. Murguía & M. Mejía Carlos, 2014. "Image encryption with an improved cryptosystem based on a matrix approach," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 25(10), pages 1-16.
    • Handle: RePEc:wsi:ijmpcx:v:25:y:2014:i:10:n:s0129183114500545
    DOI: 10.1142/S0129183114500545
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