Adding reliable and self-healing key distribution to the Subset Difference group Rekeying method for secure multicast

Sencun Zhu, Sanjeev Setia, Sushil Jajodia

Research output: Chapter in Book/Report/Conference proceedingChapter

8 Scopus citations

Abstract

We study two important issues related to the Subset Difference Rekeying (SDR) method [4]. First, we present a reliable key distribution scheme, called WFEC-BKR, that enables members to receive the current group key in a reliable and timely fashion inspite of packet losses in the network. Through simulation, we show that in most scenarios, WFEC-BKR outperforms previously proposed schemes for reliable rekey transport. Second, we present a group key recovery scheme that adds the self-healing property to SDR, i.e., our scheme enables a member that has missed up to a certain number m of previous rekey operations to recover the missing group keys without asking the key server for retransmission. The additional communication overhead imposed by our key recovery scheme is quite small (less than 3m additional keys).

Original languageEnglish (US)
Title of host publicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
EditorsBurkhard Stiller, Georg Carle, Martin Karsten, Peter Reichl, Burkhard Stiller, Georg Carle
PublisherSpringer Verlag
Pages107-118
Number of pages12
ISBN (Print)9783540394051
DOIs
StatePublished - 2003

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume2816
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Computer Science(all)

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