ResearchWorks Archive
    • Login
    View Item 
    •   ResearchWorks Home
    • Dissertations and Theses
    • Computing and Software Systems (UW Bothell)
    • View Item
    •   ResearchWorks Home
    • Dissertations and Theses
    • Computing and Software Systems (UW Bothell)
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    ACRAS A Hybrid Graphical User-Authentication System

    Thumbnail
    View/Open
    Harasimowicz_washington_0250O_19492.pdf (6.358Mb)
    Author
    Harasimowicz, H Ryan
    Metadata
    Show full item record
    Abstract
    The traditional text-based password is ubiquitous in today's computing environment, yet creation and maintenance of both usable and secure passwords remains one of the largest challenges in modern computing. This project investigates an alternative authentication mechanism to the traditional static text-based password. The Algorithmic Challenge/Response Authentication System (ACRAS) is a single-factor, one-time-password system based on the accurate recognition and interpretation of user-defined graphic characteristics within a set of challenge graphics. There is broad consensus that the human mind excels at graphic recognition and cued recall when compared to the abstract rote memorization of a complex string of text. ACRAS leverages this innate ability of the human mind; providing a framework for system users to define a set of rules for the recognition and processing of select characteristics of graphic challenges. Application of these easily-recalled rules deterministically generates a one-time-password string that is dependent upon the session's randomly selected set of challenge graphics. As a one-time-password system, ACRAS is inherently resistant to some of the more common attacks on traditional authentication systems and suggests an increase of protection against others as compared to these static systems. A series of user-experiments have been conducted with an ACRAS prototype to gauge usability and overall user impression of the system.
    URI
    http://hdl.handle.net/1773/43239
    Collections
    • MS in Computer Science and Software Engineering [54]
    • Computing and Software Systems (UW Bothell) [47]

    DSpace software copyright © 2002-2015  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    @mire NV
     

     

    Browse

    All of ResearchWorksCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

    My Account

    LoginRegister

    DSpace software copyright © 2002-2015  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    @mire NV