On Dynamic Subset Difference Revocation Scheme

  title={On Dynamic Subset Difference Revocation Scheme},
  author={Weifeng Chen and Zihui Ge and Chun Zhang and James F. Kurose and Donald F. Towsley},
Subset Difference Revocation (SDR) [7] has been proposed to perf rm group rekeying in a stateless manner. However, statelessness comes at a cost in terms of ke y storage and messaging overhead when the number of currently active members is much smaller than t e number of potential group members [3]. In this paper, we propose a dynamicSDR scheme to address these two problems. Briefly, rather than maintaining a large static key tree that can accommodat e all potential group members, we use a… CONTINUE READING
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