This paper introduces a method of making a simple and effective chaotic system by using a
difference of the output sequences of two same existing one-dimension (1D) chaotic maps …

This paper presents an efficient and secure chaotic S-Box based image encryption
algorithm. Firstly, by cryptanalyzing a multiple chaotic S-Boxes based image encryption …

Since a substitution box (S-box) is the nonlinearity part of a symmetric key encryption
scheme, it directly determines the performance and security level of the encryption scheme …

Based on the spatiotemporal chaos of the two Dimensional Nonlinear Coupled Map Lattices
(2DNLCML) and genetic operations, a new optical color image encryption scheme is …

Chaotic systems are widely used in image encryption due to their sensitivity to initial values,
ergodicity, and other properties; many image encryption algorithms based on chaotic …

The propagation of information over insecure communication system is one of the most
important aspect of digitally advance era. The electronic information is travels in form of …

Abstract Substitution-boxes (S-boxes) are unique nonlinear elements, which are used to
achieve the property of confusion in modern symmetric ciphers and offer resistance to …

In this paper, two efficient cryptosystem schemes in the form of permutation–substitution
based on chaotic systems are proposed. Firstly, a simple and efficient S-box method is …

In this work, an efficient image encryption based on S-boxes and fractional-order logistic
map is proposed. The features of the fractional-order chaotic system in dynamical behaviors …

In recent years, the chaos-based cryptographic algorithms have attracted a lot of attention.
Specially, chaotic tent map (CTM)-based schemes show some good performances in …