A user authentication system using schema of visual memory

Authors:
Atsushi Harada;Takeo Isarida;Tadanori Mizuno;Masakatsu Nishigaki
Affiliations:
Shizuoka University, Hamamatsu, Japan;Shizuoka University, Hamamatsu, Japan;Shizuoka University, Hamamatsu, Japan;Shizuoka University, Hamamatsu, Japan
Venue:
BioADIT'06 Proceedings of the Second international conference on Biologically Inspired Approaches to Advanced Information Technology
Year:
2006

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Abstract

On many image-based user authentication systems, they have to present a user’s pass-image on their display at each authentication trial, so they can be vulnerable against an observing attack. This paper proposes a user authentication system using “unclear images” as pass-images, in which only the legitimate users are allowed to see the original images corresponding to the unclear pass-images in the enrollment phase. The legitimate users can easily remember their unclear pass-images by using the original images as clues, while illegal users without the clues have difficulties to find out and remember the other user’s unclear pass-images.