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Towards Measuring Anonymity (2002) [106 citations — 12 self]

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@MISC{Diaz02towardsmeasuring,
    author = {Claudia Diaz and Stefaan Seys and Joris Claessens and Bart Preneel},
    title = {Towards Measuring Anonymity},
    year = {2002}
}

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Abstract:

This paper introduces an information theoretic model that allows to quantify the degree of anonymity provided by schemes for anonymous connections. It considers attackers that obtain probabilistic information about users. The degree is based on the probabilities an attacker, after observing the system, assigns to the dierent users of the system as being the originators of a message. As a proof of concept, the model is applied to some existing systems. The model is shown to be very useful for evaluating the level of privacy a system provides under various attack scenarios, for measuring the amount of information an attacker gets with a particular attack and for comparing dierent systems amongst each other.

Citations

4923	Elements of Information Theory – Cover, Thomas - 1991
934	An introduction to probability theory and its applications – Feller - 1966
809	Untraceable electronic mail, return addresses, and digital pseudonyms – Chaum - 1981
96	MIXes: a system for anonymous and unobservable internet access, Designing Privacy Enhancing – Berthold, Federrath, et al. - 2001
89	unobservability and pseudonymity --- a proposal for terminology – Pfitzmann, Köhntopp, et al. - 2001
56	The disadvantages of free MIX routes and how to overcome them – Berthold, Pfitzmann, et al.
13	Traffic Analysis – Raymond