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Publication Detail
The traffic analysis of continuous-time mixes
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Conference Proceeding
  • Authors:
    Danezis G
  • Publication date:
    14/09/2005
  • Pagination:
    35, 50
  • Journal:
    Lecture Notes in Computer Science
  • Volume:
    3424
  • Status:
    Published
  • Print ISSN:
    0302-9743
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.
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