Offline/online mixing

  • Authors:
  • Ben Adida;Douglas Wikström

  • Affiliations:
  • Harvard, Center for Research on Computation and Society;Harvard, Center for Research on Computation and Society

  • Venue:
  • ICALP'07 Proceedings of the 34th international conference on Automata, Languages and Programming
  • Year:
  • 2007

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Abstract

We introduce an offline precomputation technique for mixnets that drastically reduces the amount of online computation needed. Our method can be based on any additively homomorphic cryptosystem and is applicable when the number of senders and the maximal bit-size of messages are relatively small.