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Paper 2005/221

Constant Round Dynamic Group Key Agreement

Ratna Dutta and Rana Barua

Abstract

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 {\em et al.} providing, we feel, better security guarantee than previously published results. The protocol is efficient in terms of both communication and computation power.

Metadata
Available format(s)
PDF PS
Category
Public-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Keywords
group key agreementDDH problemprovable security
Contact author(s)
ratna_r @ isical ac in
History
2005-07-09: received
Short URL
https://ia.cr/2005/221
License
Creative Commons Attribution
CC BY
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