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Privacy-enhanced social-network routing

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Date
01/01/2012
Author
Parris, Iain Siraj
Henderson, Tristan
Keywords
Social networks
Opportunistic networks
Privacy
Social-network routing
QA75 Electronic computers. Computer science
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Abstract
Opportunistic networking—forwarding messages in a disconnected mobile ad hoc network via any encountered nodes — offers a new mechanism for exploiting the mobile devices that many users now carry. Forwarding messages in such a network often involves the use of social-network routing— sending messages via nodes in the sender or recipient’s friends list. Simple social-network routing, however, may broadcast these friends lists, which introduces privacy concerns. This paper presents a threat analysis of the privacy risks in social-network routing. We introduce two complementary methods for enhancing privacy in social-network routing by obfuscating the friends lists used to inform routing decisions. We evaluate these methods using three real-world datasets, and find that it is possible to obfuscate the friends lists without leading to a significant decrease in routing performance, as measured by delivery cost, delay and ratio. We quantify the increase in security provided by this obfuscation, with reference to classes of attack which are mitigated.
Citation
Parris , I S & Henderson , T 2012 , ' Privacy-enhanced social-network routing ' , Computer Communications , vol. 35 , no. 1 , pp. 62-74 . https://doi.org/10.1016/j.comcom.2010.11.003
Publication
Computer Communications
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.comcom.2010.11.003
ISSN
0140-3664
Type
Journal article
Rights
This is an author version of an article published in Computer Communications, available at http://www.sciencedirect.com
Description
This work is supported by the UK Engineering and Physical Sciences Research Council and the Technology Strategy Board as part of the Privacy Value Networks project, EP/G002606/1.
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  • University of St Andrews Research
URL
http://www.scopus.com/inward/record.url?scp=81255142215&partnerID=8YFLogxK
http://www.sciencedirect.com/science/article/pii/S0140366410004767
URI
http://hdl.handle.net/10023/2034

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