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ACNS
2009
Springer
168views Cryptology» more  ACNS 2009»
13 years 12 months ago
Session-state Reveal Is Stronger Than Ephemeral Key Reveal: Attacking the NAXOS Authenticated Key Exchange Protocol
Abstract. In the paper “Stronger Security of Authenticated Key Exchange” [1,2], a new security model for authenticated key exchange protocols (eCK) is proposed. The new model i...
Cas J. F. Cremers
PKC
2009
Springer
129views Cryptology» more  PKC 2009»
14 years 5 months ago
Modeling Key Compromise Impersonation Attacks on Group Key Exchange Protocols
A key exchange protocol allows a set of parties to agree upon a secret session key over a public network. Two-party key exchange (2PKE) protocols have been rigorously analyzed unde...
Colin Boyd, Juan Manuel González Nieto, M. ...
IJACT
2008
86views more  IJACT 2008»
13 years 5 months ago
Securing group key exchange against strong corruptions and key registration attacks
: In Group Key Exchange (GKE) protocols, users usually extract the group key using some auxiliary (ephemeral) secret information generated during the execution. Strong corruptions ...
Emmanuel Bresson, Mark Manulis
AFRICACRYPT
2010
Springer
13 years 11 months ago
Flexible Group Key Exchange with On-demand Computation of Subgroup Keys
Modern multi-user communication systems, including popular instant messaging tools, social network platforms, and cooperative-work applications, offer flexible forms of communica...
Michel Abdalla, Céline Chevalier, Mark Manu...
DIMVA
2008
13 years 6 months ago
VeriKey: A Dynamic Certificate Verification System for Public Key Exchanges
Abstract. This paper presents a novel framework to substantiate selfsigned certificates in the absence of a trusted certificate authority. In particular, we aim to address the prob...
Brett Stone-Gross, David Sigal, Rob Cohn, John Mor...