A Multiple Click Based Graphical Authentication System
نویسنده
چکیده
Authentication is possible in several ways namely textual, graphical, bio-metric, 3D password and third party authentication. In this paper, the authentication system is presented by introducing the multi-level authentication technique which generates the password in multiple levels to access the services. The details of proposed multilevel authentication techniques are presented along with data flows, algorithms. In today’s scenario, graphical password is the alternative in network security to replace text-based password in which users interact with images for authentication rather than input alphanumeric strings. In general, the imagebased authentication can be classified into two categories, i.e, click-based graphical password and choicebased graphical password. However, each of them is having several limitations. In this paper, a multiple Click based graphical authentication system (MC-GAS) is proposed with the purpose of improving the image-based authentication in both security and usability by combining the above two techniques with alpha numeric password.
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