Dynamic Group Diffie-Hellman Key Exchange under standard assumptions
Abstract
Authenticated Diffie-Hellman key exchange allows two principals communicating over a public network, and each holding public-private keys, to agree on a shared secret value. In this paper we study the natural extension of this cryptographic problem to a group of principals. We begin from existing formal security models and refine them to incorporate major missing details (e.g., strong-corruption and concurrent sessions). Within this model we define the execution of a protocol for authenticated dynamic group Diffie-Hellman and show that it is provably secure under the decisional Diffie-Hellman assumption. Our security result holds in the standard model and thus provides better security guarantees than previously published results in the random oracle model.
- Authors:
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Director, Office of Science. Office of Advanced Scientific Computing Research. Mathematical, Information, and Computational Sciences Division (US)
- OSTI Identifier:
- 792949
- Report Number(s):
- LBNL-49087
R&D Project: K52007; TRN: US200206%%106
- DOE Contract Number:
- AC03-76SF00098
- Resource Type:
- Conference
- Resource Relation:
- Conference: Eurocrypt 2002, Amsterdam (NL), 04/28/2002--05/02/2002; Other Information: PBD: 14 Feb 2002
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; SECURITY; COMPUTER NETWORKS; SECRECY PROTECTION; MATHEMATICAL MODELS
Citation Formats
Bresson, Emmanuel, Chevassut, Olivier, and Pointcheval, David. Dynamic Group Diffie-Hellman Key Exchange under standard assumptions. United States: N. p., 2002.
Web.
Bresson, Emmanuel, Chevassut, Olivier, & Pointcheval, David. Dynamic Group Diffie-Hellman Key Exchange under standard assumptions. United States.
Bresson, Emmanuel, Chevassut, Olivier, and Pointcheval, David. 2002.
"Dynamic Group Diffie-Hellman Key Exchange under standard assumptions". United States. https://www.osti.gov/servlets/purl/792949.
@article{osti_792949,
title = {Dynamic Group Diffie-Hellman Key Exchange under standard assumptions},
author = {Bresson, Emmanuel and Chevassut, Olivier and Pointcheval, David},
abstractNote = {Authenticated Diffie-Hellman key exchange allows two principals communicating over a public network, and each holding public-private keys, to agree on a shared secret value. In this paper we study the natural extension of this cryptographic problem to a group of principals. We begin from existing formal security models and refine them to incorporate major missing details (e.g., strong-corruption and concurrent sessions). Within this model we define the execution of a protocol for authenticated dynamic group Diffie-Hellman and show that it is provably secure under the decisional Diffie-Hellman assumption. Our security result holds in the standard model and thus provides better security guarantees than previously published results in the random oracle model.},
doi = {},
url = {https://www.osti.gov/biblio/792949},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Feb 14 00:00:00 EST 2002},
month = {Thu Feb 14 00:00:00 EST 2002}
}