Timing Analysis in Low-Latency Mix Networks: Attacks and Defenses

  title={Timing Analysis in Low-Latency Mix Networks: Attacks and Defenses},
  author={Vitaly Shmatikov and Ming-Hsiu Wang},
Mix networks are a popular mechanism for anonymous Internet communications. By routing IP traffic through an overlay chain of mixes, they aim to hide the relationship between its origin and destination. Using a realistic model of interactive Internet traffic, we study the problem of defending low-latency mix networks against attacks based on correlating inter-packet intervals on two or more links of the mix chain. We investigate several attack models, including an active attack which involves… CONTINUE READING
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