Secure Web Authentication Using Visual Cryptography

Today password based authentication is seemingly more vulnerable than before because of the rising advancements in cyber attack techniques, user's tendencies to keep a simple weak password in order to remember them and more reasons. Also given the fact that password based authentication are the most user friendly method available and users tend to prefer seeing them over other methods, This paper proposes a pre-authentication single sign on step with regular re-authentication before the actual website's login forms are visible to the user through the use of google extension. The concept of visual cryptography can be utilised to split an image into multiple shares, and all these shares are required to reconstruct the original image. This technique can be utilised for the proposed secure web authentication. To be more specific of the paper's methodology. Naor Shamir's (2,2) visual cryptography scheme is implemented here for the pre-authentication mechanism. A user holds one image share while the server holds the other and the comparison of the original image and the reconstructed original image from the two shares authenticates the user and redirects to the webpage's actual login. Hence removing the idea of an attack getting direct access to the login forms initiating various attacks.