The Substitution box (S-box) is the main nonlinear component responsible for the
cryptographic strength of any Substitution-Permutation Network (SPN) based block cipher …

This paper investigates a particular family of enhanced substitution boxes for the Advanced
Encryption Standard. In contrast to the original substitution box design where each input has …

This paper presents a technique for investigating the cyclic properties of substitution boxes
(S-boxes) in the Cipher Block Chaining (CBC) mode of operation. S-boxes provide …

In modern block cipher schemes, the substitution block (S-box) acts as a key nonlinear
element that plays an important role in generating entangled entanglement in the creation of …

Various mobile devices and applications are now used in daily life. These devices require
high-speed data processing, low energy consumption, low communication latency, and …

Cloud computing has revolutionized the digital era by providing a more efficient, scalable,
and cost-effective infrastructure. Secure systems that encrypt and protect data before it is …

Data confidentiality and security are important issues due to the sensitivity of the data and its
relationship with users' privacy. Sensitive data includes images and texts that can be …

Recent research on substitution boxes (S-boxes) has highlighted the need for improved
security and efficiency in cryptographic algorithms. This article addresses the limitations of …

Block encryption algorithms are among the most preferred applications in cryptographic
systems. Block ciphers should have accomplished some requirements for a secure …

From the start of the 21st century, resource-constrained devices like smart cards, RFID tags
and SCADA systems have been utilized commonly in security-critical systems. This vast …