Fifth Annual IEEE International Conference on Pervasive Computing and Communications Workshops (PerComW'07) 2007
DOI: 10.1109/percomw.2007.31
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Context-Derived Pseudonyms for Protection of Privacy in Transport Middleware and Applications

Abstract: This paper outlines why context-aware transport applications necessarily record information about people and describes how we can use anonymity techniques to minimise the resulting invasion of privacy. In particular we: (i) describe how to generate unlinkable personal pseudonyms; (ii) describe a method of creating group pseudonyms (an opaque pseudonym representing several individuals); and (iii) describe how to store these pseudonyms safely in a database. We go on to present two sample transport applications w… Show more

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Cited by 7 publications
(3 citation statements)
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References 12 publications
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“…Because a hash is a one-way function, the original context cannot be reconstructed easily. This is similar to an approach that uses hashes and pseudonyms to hide the context from unauthorized access [EBBS07].…”
Section: Key Exchange and Derivationmentioning
confidence: 99%
“…Because a hash is a one-way function, the original context cannot be reconstructed easily. This is similar to an approach that uses hashes and pseudonyms to hide the context from unauthorized access [EBBS07].…”
Section: Key Exchange and Derivationmentioning
confidence: 99%
“…For example, an individual may wish to notify friends that it is time to meet at the pub. To control the distribution of this personal information, we are use context-specific pseudonyms [10]. Such a pseudonym blends an individual's identity with some assertion of his or her current context, such as "I am on the bus with number plate AE02 RYA" or "I am in the city centre".…”
Section: Privacy and Securitymentioning
confidence: 99%
“…Directions for balancing privacy interests with other interests of society may be found in non-centralised storage of information. Such privacy-preserving directions are, for example, developed for the Transport Information Monitoring Environment (TIME) (Evans et al 2007). This would help to overcome privacy aware citizens to use LBS, thus a social not a legal necessity.…”
Section: Future Research Challengesmentioning
confidence: 99%