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

In many cases, images contain sensitive information and patterns that require secure
processing to avoid risk. It can be accessed by unauthorized users who can illegally exploit …

In this article, we present an encryption technique that can encrypt any digital data. The
proposed scheme basically depends on a substitution-permutation network. Two separate …

Secure exchange of sensitive information between different entities is a serious challenge in
today's environment. Therefore, various cryptosystems have been created specifically for …

This study contributes to creating an unbreakable S-Box based on a strong bent function
expanded by DNA sequences and investigates and analyzes the strength of the proposed S …

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 …

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 …

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 …

The proliferation of image sharing on the Internet has mandated the presence of secure
methods of data encryption that operate on and are specifically suited for visual data. This …

Due to privacy and sensitivity of the medical images, the creation of strong medical image
encryption schemes has gained the attention of cryptographers. In this study, a robust …