2005 | OriginalPaper | Buchkapitel
Constant Round Dynamic Group Key Agreement
verfasst von : Ratna Dutta, Rana Barua
Erschienen in: Information Security
Verlag: Springer Berlin Heidelberg
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We present a fully symmetric constant round authenticated group key agreement protocol in dynamic scenario. Our proposed scheme achieves forward secrecy and is provably secure under DDH assumption in the security model of Bresson
et al.
providing, we feel, better security guarantee than previously published results. The protocol is efficient in terms of both communication and computation power.