This paper proposes a scheme for image encryption based on fixed block operations of size $2\\times 2$. The proposed scheme encrypts images of any sizes. This technique addresses the problem of ...

In this paper, we propose a novel 2D hyperchaotic Sine couple map (2D-HSCM) and then the proposed 2D map is analyzed using bifurcation diagrams, attractor trajectory, Lyapunov exponent, fixed point, ...