With advancements in computer and communication technologies, the production, utilization
and applications of digital images is at an unprecedented rate. Recent applications include …

Due to privacy and sensitivity of the medical images, the creation of strong medical image
encryption schemes has gained the attention of cryptographers. In this study, a robust …

A substitution box (S-Box) is a crucial component of contemporary cryptosystems that
provide data protection in block ciphers. At the moment, chaotic maps are being created and …

Being the only nonlinear component in many cryptosystems, an S-box is an integral part of
modern symmetric ciphering techniques that creates randomness and increases …

The significance of data security has become more critical due to the ever-changing goals
and capabilities of attackers. As a result, many cryptosystems employing diverse …

Substitution boxes (S-Boxes) are essential elements of modern block ciphers, serving as
non-linear characteristics that enhance the resistance of these ciphers against cryptanalysis …

This study introduces a novel symmetric image encryption algorithm that employs a multi-
layered architecture of chaotic maps, incorporating both confusion and diffusion …

This article presents a novel 2-layer image encryption cryptosystem and transmission
protocol designed for secure communication of military reconnaissance images over …

The openness of the Internet makes information transmission prone to the risk of illegal
eavesdropping, and data security and user privacy protection have become one of the key …

In present-day data communication, the imperative to safeguard information and shield it
from a multitude of potential threats and attacks has gained significant prominence. One of …