Image encryption with an improved cryptosystem based on a matrix approach

M. T. Ramírez-Torres (), J. S. Murguía () and M. Mejía Carlos ()
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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

International Journal of Modern Physics C (IJMPC), 2014, vol. 25, issue 10, 1-16

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.

Keywords: Encryption system; matrix approach; image processing; 05.40.-a; 05.45.-a; 05.45.Tp (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1142/S0129183114500545

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