In this paper, we investigate the correlation between the Lyapunov exponent (LE) and the
randomness in chaotic maps. The recently constructed chaotic map has certain limitations …

Confusion, diffusion, and encryption keys affect the quality of image encryption. This
research proposes combining bit-and pixel-level permutation and substitution methods …

Image security in the context of Internet of Things (IoT) has gained significant attention due
to the increasing demand for timely and effective protection against unauthorized access …

Ensuring the privacy and secrecy of digital medical images has become a pressing issue as
a result of the quick development of smart medical technology and the exponential growth in …

Protecting sensitive patient data, such as electrocardiogram (ECG) signals, during RF
wireless transmission is essential due to the increasing demand for secure telemedicine …

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 …

The secret keys produced by current image cryptosystems, which rely on chaotic sequences,
exhibit a direct correlation with the size of the image. As the image dimensions expand, the …

In Internet of Things (IoT) scenarios, the limited computing resources and energy constraints
of devices, alongside the growing demand for real-time applications, make secure image …

This paper proposes a color image encryption scheme with new features based on two-
dimensional discrete memristor logistic map (2D-MLM), Deoxyribonucleic acid (DNA) …