UACAP: A unified auxiliary channel authentication protocol
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Date
2012-04
Publication Type
Journal Article
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no
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Abstract
Authenticating spontaneous interactions between devices and users is challenging for several reasons: the wireless (and therefore invisible) nature of device communication, the heterogeneous nature of devices, and lack of appropriate user interfaces in mobile devices, and the requirement for unobtrusive user interaction. The most promising approach that has been proposed in literature involves the exploitation of the so-called auxiliary channels for authentication to bridge the gap between usability and security. This concept has spawned the independent development of various authentication methods and research prototypes, that, unfortunately, remain hard to compare and interchange and are rarely available to potential application developers. We present a novel, unified cryptographic authentication protocol framework (UACAP) to unify these approaches on using auxiliary channels and analyze its security properties. This protocol and a selection of auxiliary channels aimed at authentication of mobile devices has been implemented and released in an open-source ubiquitous authentication toolkit (OpenUAT). We also present an initial user study evaluating four of these channels. © 2002-2012 IEEE.
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Publication status
published
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Book title
Journal / series
Volume
12 (4)
Pages / Article No.
710 - 721
Publisher
IEEE
Event
Edition / version
Methods
Software
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Date collected
Date created
Subject
Network architecture and design/wireless communication; Security and protection/authentication; Information systemsapplications/miscellaneous; Algorithm/protocol design and analysis; Ubiquitous computing; Mobile environments; Human-centered computing; Mobile applications
Organisational unit
03528 - Mattern, Friedemann (emeritus) / Mattern, Friedemann (emeritus)