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Publication Detail
Mix-networks with restricted routes
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Danezis G
  • Publication date:
    01/12/2003
  • Pagination:
    1, 17
  • Journal:
    Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
  • Volume:
    2760
  • Status:
    Published
  • Print ISSN:
    0302-9743
Abstract
We present a mix network topology that is based on sparse expander graphs, with each mix only communicating with a few neighbouring others. We analyse the anonymity such networks provide, and compare it with fully connected mix networks and mix cascades. We prove that such a topology is efficient since it only requires the route length of messages to be relatively small in comparison with the number of mixes to achieve maximal anonymity. Additionally mixes can resist intersection attacks while their batch size, that is directly linked to the latency of the network, remains constant. A worked example of a network is also presented to illustrate how these results can be applied to create secure mix networks in practise. © Springer-Verlag Berlin Heidelberg 2003.
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