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 …

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 …

One-dimensional (1-D) chaotic maps have been considered as prominent pseudo-random
source for the design of different cryptographic primitives. They have the advantages of …

As the motivations and capabilities of threat actors continue to evolve, providing data
security has become more important than ever. For this purpose, different ciphers using …

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 …

While using the internet, sending confidential emails, or dealing with financial information
that affects many aspects of our everyday life, security is one of the most important …

With the exponential increase in communication sector, the risk of information management
also increases. Although there is enormous input from the cybersecurity perspective, still a …

In this paper, we propose to present a novel technique for designing cryptographically
strong substitution-boxes using cubic polynomial mapping. The proposed cubic polynomial …

Substitution-boxes are important nonlinear components used for achieving strong confusion
as well as cryptographic security in a majority of modern symmetric cryptosystems …

A substitution box (S-box) plays a central role in cryptographic algorithms. In this paper, an
efficient method for designing S-boxes based on chaotic maps is proposed. The proposed …