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Implementation of a Graphical Password Authentication System 'PassPositions'

Gi-Chul Yang and Haengun Oh
Department of Multimedia Engineering, Mokpo National University, Mokpo, Korea

Abstract—Passwords are often used to secure computers and information Passwords must be secure and easy to use. Traditionally used passwords are text-based passwords that use letters and numbers. However, text-based passwords are long and uncomfortable for users to use and are easy to steal from others. Today, passwords are required to meet the needs of many modern societies. Graphical passwords, which are recognized as an alternative to text-based passwords, have the potential to be superior to text-based passwords in terms of ease of use and security. Many researches have been carried out in various places to realize a useful graphical password authentication system using this potential. In this paper, we compare PassPositions and PassPositions-II, which are recently announced graphical password authentication systems, and show experimental results on usability and security of implemented systems. PassPositionsII is a successor to PassPositions, a graphical password authentication system with improved usability and security.

Index Terms—security, graphical password, usability, authentication

Cite: Gi-Chul Yang and Haengun Oh, "Implementation of a Graphical Password Authentication System 'PassPositions'," Journal of Image and Graphics, Vol. 6, No. 2, pp. 117-121, December 2018. doi: 10.18178/joig.6.2.117-121

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