Graphical passwords based on robust discretization

被引：28
|
作者：
Birget, Jean-Camille [1 ]
Hong, Dawei
Memon, Nasir
机构：
[1] Rutgers State Univ, Dept Comp Sci, Camden, NJ 08102 USA
[2] Polytech Univ, Dept Comp & Informat Sci, Brooklyn, NY 11201 USA
来源：
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY | 2006年 / 1卷 / 03期
关键词：
images; passwords; robust discretization;
D O I：
10.1109/TIFS.2006.879305
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper generalizes Blonder's graphical passwords to arbitrary images and solves a robustness problem that this generalization entails. The password consists of user-chosen click points in a displayed image. In order to store passwords in cryptographically hashed form, we need to prevent small uncertainties in the click points from having any effect on the password. We achieve this by introducing a robust discretization, based on multigrid discretization.
引用
收藏
页码：395 / 399
页数：5
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