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

A symmetric block cipher employing a substitution–permutation duo is an effective technique
for the provision of information security. For substitution, modern block ciphers use one or …

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

For decades, the security and privacy of data are among the major challenges faced by
service providers dealing with public data. To cope with these challenges, most of the …

Substitution boxes (S-box) with strong and secure cryptographic properties are widely used
for providing the key property of nonlinearity in block ciphers. This is critical to be resistant to …

The ever-evolving nature of the Internet and wireless communications, as well as the
production of huge amounts of multimedia every day has created a dire need for their …

In this paper, a novel method is being proposed to construct a substitution box or Boolean
function for block ciphers using Gaussian distribution and linear fractional transform. The …

Most of the block ciphers contain substitution-boxes as their cornerstone primitive to add
requisite nonlinearity. S-boxes are responsible to ensure strong confusion and resistance to …

New era ciphers employ substitution boxes (S-boxes) which assist in the provision of
security for the plaintext in the encryption phase and transforming the ciphertext on the …

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 …