Image encryption (IE) has been essential for internet-based storing and transferring in recent
years. Effective chaotic systems play a crucial role in IE schemes which widely depend on …

This paper designs a new medical image encryption scheme based on a new hyperchaotic
map, which exhibits excellent security and high efficiency that can be applied to medical …

In this paper, a color image encryption algorithm is presented, the new algorithm uses
double-layer Joseph's scramble, XOR diffusion, and is built on a laser chaos system. Firstly …

Derived from the Sine map and iterative chaotic map with infinite collapse (ICMIC), we
design a new 2D hyperchaotic map called 2D-SIDCM (Sine ICMIC double cross map) …

To solve the problem of the low secret space and security of some image schemes, a novel
4D chaotic system is derived in this paper. Compared with other similar chaotic systems, the …

The advent of quantum computers could enable the resolution of complex computational
problems that conventional cryptographic protocols find challenging. As a result, the …

Local fractional calculus (fractal calculus) plays a crucial role in applications, especially in
computer sciences and engineering. One of these applications appears in the theory of …

This paper proposes a new two-dimensional chaotic map (2D-SLLIM) based on sine map,
logistic map, linear function and infinite folding iterative chaotic map. Compared with other …

Chaos-based image encryption schemes are applied widely for their cryptographic
properties. However, chaos and cryptographic relations remain a challenge. The chaotic …

The scientific study of privacy-preserving biometrics, represented by the palmprint, face, and
iris, has grown tremendously. That being said, there has not been much attention paid to the …