Eluding carnivores: file sharing with strong anonymity

  • Authors:
  • Emin Gün Sirer;Sharad Goel;Mark Robson;Doǧan Engin

  • Affiliations:
  • Cornell University;Cornell University;Cornell University;Cornell University

  • Venue:
  • Proceedings of the 11th workshop on ACM SIGOPS European workshop
  • Year:
  • 2004

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Abstract

Anonymity is increasingly important for networked applications amidst concerns over censorship and privacy. This paper outlines the design of HerbivoreFS, a scalable and efficient file sharing system that provides strong anonymity. HerbivoreFS provides computational guarantees that even adversaries able to monitor all network traffic cannot deduce the identity of a sender or receiver beyond an anonymizing clique of k peers. HerbivoreFS achieves scalability by partitioning the global network into smaller anonymizing cliques. Measurements on PlanetLab indicate that the system achieves high anonymous bandwidth when deployed on the Internet.