John S. Baras


An Information Theoretic Analysis of Rooted Tree Based Multicast Key Distribution Schemes

R.Poovendran and J.S Baras

Crypto’99: 19th Annual IACR Crypto Conference,pp.624-638,Santa Barbara,CA,August 15-19,1999

Full Text Paper ( .Pdf)


Several variations of rooted tree based solutions have been recently proposed for member revocation in multicast communications [18 ,19,20,21] .In this paper we show that by assigning probablities for member revocations,the optimality correctness and the system requirements of some these schemes [18,19,20,21 ] can be systematically studied using information theoritic concepts.


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