A Reputation System to Increase MIX-Net Reliability

نویسندگان

  • Roger Dingledine
  • Michael J. Freedman
  • David Hopwood
  • David Molnar
چکیده

We describe a design for a reputation system that increases the reliability and thus efficiency of remailer services. Our reputation system uses a MIX-net in which MIXes give receipts for intermediate messages. Together with a set of witnesses, these receipts allow senders to verify the correctness of each MIX and prove misbehavior to the witnesses. We suggest a simple model and metric for evaluating the reliability of a MIX-net, and show that our reputation system improves over randomly picking MIX paths while maintaining anonymity.

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تاریخ انتشار 2001