An Intelligent System for Secured Authentication using Hierarchical Visual Cryptography-Review

This paper introduces the idea of hierarchical visual cryptography. Authentication is the important issue over the internet. This paper describes a secured authentication mechanism with the help of visual cryptography. Visual cryptography simply divides secret information in to number of parts called shares. These shares are further transmitted over the network and at the receiving end secrets are revealed by superimposition. Many layers of visual cryptography exist in proposed system hence called hierarchical visual cryptography. Remote voting systems now a day’s widely using visual cryptography for authentication purpose.