Developing and evaluating a gestural and tactile mobile interface to support user authentication

Ali, Abdullah; Aviv, Adam J.; Kuber, Ravi

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https://hdl.handle.net/2142/89290 Copy

Description

Title

Developing and evaluating a gestural and tactile mobile interface to support user authentication

Author(s)

• Ali, Abdullah
• Aviv, Adam J.
• Kuber, Ravi

Issue Date

2016-03-15

Keyword(s)

• gestural interfaces
• haptic interfaces
• mobile interface development
• tactile interfaces
• user authentication

Abstract

As awareness grows surrounding the importance of protecting sensitive data, stored on or accessed through a mobile device, a need has been identified to develop authentication schemes which better match the needs of users, and are more resistant to observer attacks. This paper describes the design and evaluation of H4Plock (pronounced “Hap-lock”), a novel authentication mechanism to address the situation. In order to authenticate, the user enters up to four pre-selected on-screen gestures, informed by tactile prompts. The system has been designed in such a way that the sequence of gestures will vary on each authentication attempt, reducing the capability of a shoulder surfer to recreate entry. 94.1% of participants were able to properly authenticate using H4Plock, with 73.3% successfully accessing the system after a gap of five days without rehearsal. Only 23.5% of participants were able to successfully recreate passcodes in a video-based attack scenario, where gestures were unique in design and entered at different locations around the interface.

Publisher

iSchools

Series/Report Name or Number

IConference 2016 Proceedings

Type of Resource

text

Language

eng

Permalink

http://hdl.handle.net/2142/89290

DOI

https://doi.org/10.9776/16141

Copyright and License Information

Copyright 2016 is held by the authors. Copyright permissions, when appropriate, must be obtained directly from the authors.

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