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PKC
2012
Springer
255views Cryptology» more  PKC 2012»
11 years 6 months ago
Strongly Secure Authenticated Key Exchange from Factoring, Codes, and Lattices
Abstract. An unresolved problem in research on authenticated key exchange (AKE) is to construct a secure protocol against advanced attacks such as key compromise impersonation and ...
Atsushi Fujioka, Koutarou Suzuki, Keita Xagawa, Ka...
ASIACRYPT
2009
Springer
13 years 11 months ago
Smooth Projective Hashing and Password-Based Authenticated Key Exchange from Lattices
Abstract. We describe a public-key encryption scheme based on lattices — specifically, based on the hardness of the learning with error (LWE) problem — that is secure against ...
Jonathan Katz, Vinod Vaikuntanathan
ACNS
2009
Springer
168views Cryptology» more  ACNS 2009»
13 years 11 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
CCS
2008
ACM
13 years 6 months ago
Securing group key exchange against strong corruptions
When users run a group key exchange (GKE) protocol, they usually extract the key from some auxiliary (ephemeral) secret information generated during the execution. Strong corrupti...
Emmanuel Bresson, Mark Manulis
CTRSA
2008
Springer
137views Cryptology» more  CTRSA 2008»
13 years 6 months ago
Beyond Secret Handshakes: Affiliation-Hiding Authenticated Key Exchange
Public key based authentication and key exchange protocols are not usually designed with privacy in mind and thus involve cleartext exchanges of identities and certificates before ...
Stanislaw Jarecki, Jihye Kim, Gene Tsudik