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Reliable Resource Searching in P2P Networks

  • Michael T. Goodrich
  • Jonathan Z. Sun
  • Roberto Tamassia
  • Nikos Triandopoulos
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 19)

Abstract

We study the problem of securely searching for resources in p2p networks where a constant fraction of the peers may act maliciously. We present two novel hashing-based schemes that can be employed to reliably support resource location and content retrieval queries, limiting the ability of adversarial nodes to carry out attacks. Our schemes achieve scalability and load balancing and have small authentication overhead. In particular, for a network with n peers, resources are securely located with O(log2 n) messages and content from a collection of m data items is securely retrieved with O(logn logm) messages.

Keywords

peer-to-peer overlay networks distributed hash tables one-way hash functions digital signatures 

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Copyright information

© ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering 2009

Authors and Affiliations

  • Michael T. Goodrich
    • 1
  • Jonathan Z. Sun
    • 2
  • Roberto Tamassia
    • 3
  • Nikos Triandopoulos
    • 3
    • 4
  1. 1.Dept. of Computer ScienceU. CaliforniaIrvineUSA
  2. 2.School of ComputingUniv. of Southern MississippiUSA
  3. 3.Dept. of Computer ScienceBrown UniversityUSA
  4. 4.Dept. of Computer ScienceBoston UniversityUSA

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