Authentication By Grid Image Pattern

Abstract

Abstract: This paper tries to point out flashy topics in an authentication system that works by having the user select from images, in a specific pattern (order), presented in a Graphical User Interface (GUI). So that the graphical password approach is called Graphical Image Authentication (GIA). The most common authentication method is to use alpha-numerical passwords. For example user tends to choose passwords that can be easily guessed on the other hand, if a password is difficult to guess then it is often difficult to remember. To overcome this problem of low security, Authentication methods change from images to passwords. Because humans can remember visuals (patterns) better than text, graphical password schemes have been offered as a feasible replacement to text-based systems. Visual patterns, rather than specific images, are easier to remember.Patterns are general easier to remembered or recognized than text. This early study implies that many graphics in graphical password systems may support memorability. Keywords: Authentication, Pattern based authentication, Click points, Grid images, Graphical passwords