As the quick advancement of multimedia technology, images are employed extensively in
the domains of medicine, military, and transportation. In the meantime, image security has …

Biometric technology is increasingly being used in various areas, including government law
enforcement, exit and entry management, visitor access control, user identification, and daily …

Chaos-based encryption algorithms uses a pseudorandom number generator (PRNG) to
generate chaotic dynamics to carry out the processes to encrypt different types of …

In this work a real-time chaos-based speech encryption scheme designed for low-cost
microcontroller implementation is presented. The method involves a two-step encryption …

Many real‐world applications, such as smart cities, industrial automation, health care, and
so forth, utilize IoT‐enabled devices as a part of wireless networks. IoT devices must have …

Key expansion is an essential component in block cryptography, which serves the round
function. By analyzing key expansion module of AES, it is found that the round-keys are …

This work aims to improves the chaotic behavior of classical logistic chaotic system for voice
encryption. In this study, the classical chaotic system was enhanced. This enhanced map …

This paper studies the encrypted access control method of smart medical multi-department
information attributes in the cloud computing environment. Under the current wave of …