Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/14727
Title: Modeling leakage of ephemeral secrets in tripartite/group key exchange
Authors: Manulis,M.
Suzuki,K.
Ustaoglu,B.
Keywords: Gap bilinear diffie-hellman assumption
Group key exchange
Group-oriented extended Canetti-Krawczyk model
Random oracle model
Tripartite key exchange
Publisher: Institute of Electronics, Information and Communication, Engineers, IEICE
Abstract: We propose a security model, referred as g-eCK model, for group key exchange that captures essentially all non-trivial leakage of static and ephemeral secret keys of participants, i.e., group key exchange version of extended Canetti-Krawczyk (eCK) model. Moreover, we propose the first one-round tripartite key exchange (3KE) protocol secure in the g-eCK model under the gap Bilinear Diffie-Hellman (gap BDH) assumption and in the random oracle model. Copyright © 2013 The Institute of Electronics, Information and Communication Engineers.
URI: https://doi.org/10.1587/transfun.E96.A.101
https://hdl.handle.net/11147/14727
ISSN: 0916-8508
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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