Exploring Effect of Location Number on Map-Based Graphical Password Authentication

Weizhi Meng, Wang Lee, Man Ho Au, Zhe Liu

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Abstract

Graphical passwords (GPs) that authenticate users using images are considered as one potential alternative to overcome the issues of traditional textual passwords. Based on the idea of utilizing an extremely large image, map-based GPs like PassMap and GeoPass have been developed, where users can select their secrets (geographical points) on a world map. In particular, PassMap allows users to select two locations on a map, while GeoPass reduces the number of locations to only one. At first glance, selecting one location is more vulnerable to attacks, while increasing the location number may add burden on users. In the literature, there is no research exploring this issue. Motivated by this, our purpose in this work is to explore the effect of location number (the number of geographical points) and compare two schemes of PassMap and GeoPass in terms of users’ performance and feedback. In this work, we develop a generic and open platform for realizing map-based schemes, and conduct a user study with 60 participants. The study reveals that selecting two locations would not degrade the scheme performance. Our effort aims to complement exiting research studies in this area.
Original languageEnglish
Title of host publicationInformation Security and Privacy
Volume10343
PublisherSpringer
Publication date2017
Pages301-313
ISBN (Print)9783319598697
DOIs
Publication statusPublished - 2017
Event22nd Australasian Conference - Massey University Auckland, Auckland, New Zealand
Duration: 3 Jul 20175 Jul 2017

Conference

Conference22nd Australasian Conference
LocationMassey University Auckland
CountryNew Zealand
CityAuckland
Period03/07/201705/07/2017
SeriesLecture Notes in Computer Science
Volume10343
ISSN0302-9743

Keywords

  • User authentication
  • Graphical passwords
  • Map-based password authentication
  • Geographical location
  • Security and usability

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