Modern cryptographic systems use substitution boxes (S-boxes) throughout the encryption
process to enhance the security of the plaintext. The integrity of the communication process …

To provide safe data communication, substitution boxes are employed in a variety of
frameworks and cryptosystems. The acceptance of the AES encryption standard posed a …

Data protection is regarded as one of the biggest issues facing companies that have been
using public data for a long time. Numerous encryption techniques have been used to …

In modern-day block ciphers, the role of substitution-boxes is to transform the plaintext data
nonlinearly to generate ciphertext data with sufficient confusion. It has been well-confirmed …

The local ring-based cryptosystem is built upon the core mathematical operations of the
algebraic structure of local rings, which provides a significant advantage in ensuring security …

In the modern block cipher, the substitution box (S-box) is a nonlinear constituent that plays
a substantial role to create the confusion in ciphertext. S-boxes with low value of differential …

Substitution-boxes have significant role in block ciphers as they are the only component
which offers nonlinearity in the anticipated symmetric encryption systems. This paper …

Elliptic curve cryptography (ECC) is capable of providing high security than to other
cryptosystems with same key size. The aim of this paper is twofold. Firstly, we present new …

Cryptography entails the practice of designing mathematical algorithms to secure data
communication over insecure networks in the presence of adversaries. In this aspect, a …

Substitution box is the most significant component of block cipher. The property of
nonlinearity is of great importance for the design of secure substitution boxes. Therefore, it is …