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    Performance of Eyes-Free Mobile Authentication

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    usec2018_02-4_Wolf_paper.pdf (554.6Kb)
    Links to Files
    http://wp.internetsociety.org/ndss/wp-content/uploads/sites/25/2018/07/usec2018_02-4_Wolf_paper.pdf
    Permanent Link
    https://dx.doi.org/10.14722/usec.2018.23013
    http://hdl.handle.net/11603/11275
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    • UMBC Faculty Collection
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    Metadata
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    Author/Creator
    Wolf, Flynn
    Aviv, Adam J.
    Kuber, Ravi
    Date
    2018-02-18
    Type of Work
    7 pages
    Text
    conference paper
    Citation of Original Publication
    Flynn Wolf, Adam J. Aviv, Ravi Kuber, Performance of Eyes-Free Mobile Authentication Work in Progress, Workshop on Usable Security (USEC) 2018, https://dx.doi.org/10.14722/usec.2018.23013
    Rights
    This item may be protected under Title 17 of the U.S. Copyright Law. It is made available by UMBC for non-commercial research and education. For permission to publish or reproduce, please contact the author.
    Subjects
    eyes-free mobile unlock authentication
    mobile passcode entry gestrues
    mobile interface tactile feedback
    Abstract
    Mobile device users avoiding observational attacks and coping with situational impairments may employ techniques for eyes-free mobile unlock authentication, where a user enters his/her passcode without looking at the device. This study supplies an initial description of user accuracy in performing this authentication behavior with PIN and pattern passcodes, with varying lengths and visual characteristics. Additionally, we inquire if tactile-only feedback can provide assistive spatialization to support users when interacting with the mobile interface, finding that orientation cues prior to unlocking do not help. A within-group, randomized study was conducted with 26 participants. 1,021 passcode entry gestures were performed under eyes-free conditions. Edit distance measurements were then calculated. Gesture traces and subjective feedback were recorded for subsequent analysis. We found that users who focused on orienting themselves to position the first digit of the passcode using the tactile feedback performed better in the task. These results could be applied to better define eyes-free behavior in further research, and to design better and more secure methods for eyes-free authentication.


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    Albin O. Kuhn Library & Gallery
    University of Maryland, Baltimore County
    1000 Hilltop Circle
    Baltimore, MD 21250
    www.umbc.edu/scholarworks

    Contact information:
    Email: scholarworks-group@umbc.edu
    Phone: 410-455-3021


    If you wish to submit a copyright complaint or withdrawal request, please email mdsoar-help@umd.edu.