Paper 2008/344 Original: eprint.iacr.org/2008/344 ↗
Authenticated Key Exchange Secure under the Computational Diffie-Hellman Assumption
Abstract
In this paper, we present a new authenticated key exchange(AKE) protocol and prove its security under the random oracle assumption and the computational Diffie-Hellman(CDH) assumption. In the extended Canetti-Krawczyk model, there has been no known AKE protocol based on the CDH assumption. Our protocol, called NAXOS+, is obtained by slightly modifying the NAXOS protocol proposed by LaMacchia, Lauter and Mityagin. We establish a formal security proof of NAXOS+ in the extended Canetti-Krawczyk model using as a main tool the trapdoor test presented by Cash, Kiltz and Shoup.
Metadata
- Available format(s)
PDF- Category
- Cryptographic protocols
- Publication info
- Preprint.
- History
- 2008-08-11: last updated
- 2008-08-11: published
- Short URL
- https://ia.cr/2008/344
- License
- https://creativecommons.org/licenses/by/4.0/
BibTeX
@misc{cryptoeprint:2008/344,
author = {Jooyoung Lee and Je Hong Park},
title = {Authenticated Key Exchange Secure under the Computational Diffie-Hellman Assumption},
howpublished = {Cryptology {ePrint} Archive, Paper 2008/344},
year = {2008},
url = {https://eprint.iacr.org/2008/344}
}