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dc.contributor.authorJoshi, S.
dc.contributor.authorPais, A.R.
dc.date.accessioned2020-03-30T09:58:26Z-
dc.date.available2020-03-30T09:58:26Z-
dc.date.issued2008
dc.identifier.citationSECRYPT 2008 - International Conference on Security and Cryptography, Proceedings, 2008, Vol., , pp.325-330en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/7032-
dc.description.abstractLogical Key Hierarchy (LKH) is a basic method in secure multicast group rekeying. LKH maintains a balanced tree which provide uniform cost of O(log N) for compromise recovery, where N is group size. However, it does not distinguish the behavior of group members even though they have different probabilities of join or leave. When members have diverse changing probability the gap between LKH and the optimal rekeying algorithm will become bigger. The Probabilistic optimization of LKH (PLKH) scheme, optimized rekey cost by organizing LKH tree with user rekey characteristic. In this paper, we concentrate on further reducing the rekey cost by organizing LKH tree with respect to compromise probabilities of members using new join and leave operations. Simulation results show that our scheme performs 18% to 29% better than PLKH and 32% to 41% better than LKH.en_US
dc.titleA new probabilistic rekeying method for secure dynamic groupsen_US
dc.typeBook chapteren_US
Appears in Collections:2. Conference Papers

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