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The traffic analysis of continuous-time mixes

(2005) The traffic analysis of continuous-time mixes. Lecture Notes in Computer Science , 3424 pp. 35-50.

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Abstract

We apply the information-theoretic anonymity metrics to continuous-time mixes, that individually delay messages instead of batching them. The anonymity of such mixes is measured based on their delay characteristics, and as an example the exponential mix (sg-mix) is analysed, simulated and shown to use the optimal strategy. We also describe a practical and powerful traffic analysis attack against connection based continuous-time mix networks, despite the presence of some cover traffic. Assuming a passive observer, the conditions are calculated that make tracing messages through the network possible.

Type: Article
Title: The traffic analysis of continuous-time mixes
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
URI: http://discovery.ucl.ac.uk/id/eprint/1409361
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