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2014 | OriginalPaper | Buchkapitel

Long-Term Secure Two-Round Group Key Establishment from Pairings

verfasst von: Kashi Neupane

Erschienen in: Cryptography and Security Systems

Verlag: Springer Berlin Heidelberg

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In 2007, Bohli et al. introduced the concept of long-term security as resistance against attacks even if later, after completion of the protocol some security assumptions become invalid, and proposed a three-round long-term secure two-party key establishment protocol. Building on a two-party solution of Bohli et al., we present an authenticated two-round group key establishment protocol which remains secure if either a Computational Bilinear Diffie Hellman problem is hard or a server, who shares a symmetric key with each user, is uncorrupted.

Metadaten
Titel
Long-Term Secure Two-Round Group Key Establishment from Pairings
verfasst von
Kashi Neupane
Copyright-Jahr
2014
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-662-44893-9_11

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