We propose a new image encryption algorithm based on the spatiotemporal chaos of the
mixed linear–nonlinear coupled map lattices. This spatiotemporal chaotic system has more …

We propose a new image encryption algorithm which is based on the spatiotemporal non-
adjacent coupled map lattices. The system of non-adjacent coupled map lattices has more …

In recent years, various image encryption algorithms based on the permutation–diffusion
architecture have been proposed where, however, permutation and diffusion are considered …

In recent years, a variety of chaos-based image cryptosystems have been proposed. Owing
to the exceptionally desirable properties of mixing and sensitivity to initial conditions and …

In the last two decades, the use of chaotic iterative maps in cryptographic systems,
especially chaotic hash functions, has been expanding. Sensitivity to small changes in initial …

The substitution box (S-box) is an important component in block encryption algorithms. In
this Letter, the problem of constructing S-box is transformed to a Traveling Salesman …

In recent years, several algorithms of secure image encryption were studied and developed
through chaotic processes. Most of the previous algorithms encrypt color components …

In this paper, a novel algorithm for image encryption based on hash function is proposed. In
our algorithm, a 512-bit long external secret key is used as the input value of the salsa20 …

In this paper, a block encryption scheme based on dynamic substitution boxes (S-boxes) is
proposed. Firstly, the difference trait of the tent map is analyzed. Then, a method for …

An algorithm for constructing a one-way novel Hash function based on two-layer chaotic
neural network structure is proposed. The piecewise linear chaotic map (PWLCM) is utilized …