k-TTP: A new privacy model for large-scale distributed environments

Bobi Gilburd, Assaf Schuster, Ran Wolff

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Secure multiparty computation allows parties to jointly compute a function of their private inputs without revealing anything but the output. Theoretical results [2] provide a general construction of such protocols for any function. Protocols obtained in this way are, however, inefficient, and thus, practically speaking, useless when a large number of participants are involved. The contribution of this paper is to define a new privacy model - k-privacy - by means of an innovative, yet natural generalization of the accepted trusted third party model. This allows implementing cryptographically secure efficient primitives for real-world large-scale distributed systems. As an example for the usefulness of the proposed model, we employ k-privacy to introduce a technique for obtaining knowledge - by way of an association-rule mining algorithm - from large-scale Data Grids, while ensuring that the privacy is cryptographically secure.

Original languageEnglish
Title of host publicationKDD-2004 - Proceedings of the Tenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining
EditorsR. Kohavi, J. Gehrke, W. DuMouchel, J. Ghosh
Pages563-568
Number of pages6
StatePublished - 2004
Externally publishedYes
EventKDD-2004 - Proceedings of the Tenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining - Seattle, WA, United States
Duration: 22 Aug 200425 Aug 2004

Publication series

NameKDD-2004 - Proceedings of the Tenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining

Conference

ConferenceKDD-2004 - Proceedings of the Tenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining
Country/TerritoryUnited States
CitySeattle, WA
Period22/08/0425/08/04

Keywords

  • Association rule mining
  • Data mining
  • Distributed data mining
  • Privacy
  • Privacy-preserving data mining
  • Security

ASJC Scopus subject areas

  • General Engineering

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