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ThinkMind // MOBILITY 2013, The Third International Conference on Mobile Services, Resources, and Users // View article mobility_2013_5_30_40071


Authentication with Keystroke Dynamics on Touchscreen Keypads - Effect of different N-Graph Combinations

Authors:
Matthias Trojahn
Florian Arndt
Frank Ortmeier

Keywords: keystroke authentication; n-graph; mobile devices; capacitive display

Abstract:
The security and access protection on mobile devices have become an important topic due to the increasing amount of personal and sensitive data stored on these devices. The traditional security techniques based on PIN (Personal Identification Number)-input are insufficient and do not correspond to the present password standards. An authentication with usage of keystroke behavior could increase the security and a lot of research has been published based on traditional PC keypads. Keystroke behavior on touchscreen keypads, as they are nowadays installed on smartphones, enables adding additional features for the authentication. For example, pressure, size or exact coordinates of keystroke can be used. The focus of this paper is that several time differences (e.g. digraph) are examined and checked for suitability for a keystroke authentication. For that, data of 152 subjects were classified. With additional features of the touchscreen, an error rate of false rejected persons of only 4.59% and false accepted persons of only 4.19% could be reached.

Pages: 114 to 119

Copyright: Copyright (c) IARIA, 2013

Publication date: November 17, 2013

Published in: conference

ISSN: 2308-3468

ISBN: 978-1-61208-313-1

Location: Lisbon, Portugal

Dates: from November 17, 2013 to November 21, 2013

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