The nonlinear transformation concedes as S‐box which is responsible for the certainty of
contemporary block ciphers. Many kinds of S‐boxes are planned by various authors in the …

A substitution box (S-box) in data encryption is a non-linear tool that conducts substitution to
assure the overall security of the system. S-box is the most important part of the block cipher …

The expansion of worldwide networking has created new possibilities for management,
development, and presentation in the form of digital data. The uncomplicated accessibility to …

As the only nonlinear component of many cryptosystems, the block cipher is an integral part
of symmetric ciphering techniques that increase confidentiality at the substitution stage and …

Block cipher is an encryption algorithm that performs a substitution and permutation
operations on a block of data using a secret key. Block cipher relies on substitution boxes to …

ABSTRACT Advanced Encryption Standard (AES) block cipher system is widely used in
cryptographic applications. Substitution boxes (S-boxes) are a keystone of modern …

Substitution box (S‐box) is a vital nonlinear component for the security of cryptographic
schemes. In this paper, a new technique which involves coset diagrams for the action of a …

Nowadays, various image encryption schemes based on chaotic systems have been
developed, each of them has its own limitations and strength in terms of security and …

Elliptic curve cryptography has gained attention due to its strong resilience against current
cryptanalysis methods. Inspired by the increasing demand for reliable and secure …

In the new era of cryptography, Substitution Boxes (S-Boxes) are very important to raise
confusion in cipher text and the security of encryption directly depends on the algebraic …