Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4777
Title: Sufficient condition for ephemeral key-leakage resilient tripartite key exchange
Authors: Fujioka, Atsushi
Manulis, Mark
Suzuki, Koutarou
Ustaoğlu, Berkant
Keywords: Security of data
Communication overheads
Diffie-Hellman assumption
Forward secrecy
Group key exchange
Sufficient conditions
Issue Date: 2012
Publisher: Springer Verlag
Source: Fujioka, A., Manulis, M., Suzuki, K., and Ustaoğlu, B. (2012). Sufficient condition for ephemeral key-leakage resilient tripartite key exchange. Lecture Notes in Computer Science, 7372 LNCS, 15-28. doi:10.1007/978-3-642-31448-3_2
Abstract: Tripartite (Diffie-Hellman) Key Exchange (3KE), introduced by Joux (ANTS-IV 2000), represents today the only known class of group key exchange protocols, in which computation of unauthenticated session keys requires one round and proceeds with minimal computation and communication overhead. The first one-round authenticated 3KE version that preserved the unique efficiency properties of the original protocol and strengthened its security towards resilience against leakage of ephemeral (session-dependent) secrets was proposed recently by Manulis, Suzuki, and Ustaoglu (ICISC 2009). In this work we explore sufficient conditions for building such protocols. We define a set of admissible polynomials and show how their construction generically implies 3KE protocols with the desired security and efficiency properties. Our result generalizes the previous 3KE protocol and gives rise to many new authenticated constructions, all of which enjoy forward secrecy and resilience to ephemeral key-leakage under the gap Bilinear Diffie-Hellman assumption in the random oracle model. © 2012 Springer-Verlag.
Description: 17th Australasian Conference on Information Security and Privacy, ACISP 2012; Wollongong, NSW; Australia; 9 July 2012 through 11 July 2012
URI: http://doi.org/10.1007/978-3-642-31448-3_2
http://hdl.handle.net/11147/4777
ISBN: 9783642314476
ISSN: 0302-9743
1611-3349
Appears in Collections:Mathematics / Matematik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Sürdürülebilir Yeşil Kampüs Koleksiyonu / Sustainable Green Campus Collection

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