Recent years have seen an increasing number of discrete chaotic algorithms proposed. In spite of this, most of them have issues, such as security or lack of robustness. The dynamic image encryption system presented here is based on one-dimensional non-linear chaotic maps. Stable period-one fixed point or ergodic properties distinguish this dynamical system from other types. They undergo bifurcation from a stable single periodic state to a chaotic one, without undergoing the conventional period doubling. KS-entropy for this map is also shown in relation to the control parameter. Encryption failures, such as a low level of security, a low speed of encryption, and key space, are addressed by this schemes design.
A. Abu-Ein, A.
"An Effective Chaotic Image Encryption Algorithm Based on Piecewise Non-linear Chaotic Map,"
Information Sciences Letters: Vol. 12
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Available at: https://digitalcommons.aaru.edu.jo/isl/vol12/iss3/8