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A Sector-Based Graphical Password Scheme with Resistance to Login-Recording Attacks

Wei-Chi KU, Yu-Chang YEH, Bo-Ren CHENG, Chia-Ju CHANG

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Summary :

Since most password schemes are vulnerable to login-recording attacks, graphical password schemes that are resistant to such attacks have been proposed. However, none of existing graphical password schemes with resistance to login-recording attacks can provide both sufficient security and good usability. Herein, we design and implement a simple sector-based graphical password scheme, RiS, with dynamically adjustable resistance to login-recording attacks. RiS is a pure graphical password scheme by using the shape of the sector. In RiS, the user can dynamically choose the login mode with suitable resistance to login-recording attacks depending on the login environment. Hence, the user can efficiently complete the login process in an environment under low threat of login-recording attacks and securely complete the login process in an environment under high threat of login-recording attacks. Finally, we show that RiS can achieve both sufficient security and good usability.

Publication
IEICE TRANSACTIONS on Information Vol.E98-D No.4 pp.894-901
Publication Date
2015/04/01
Publicized
2015/01/20
Online ISSN
1745-1361
DOI
10.1587/transinf.2014EDP7302
Type of Manuscript
PAPER
Category
Information Network

Authors

Wei-Chi KU
  National Taichung University of Education
Yu-Chang YEH
  National Taichung University of Education
Bo-Ren CHENG
  National Taichung University of Education
Chia-Ju CHANG
  National Taichung University of Education

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