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JOC
2007
133views more  JOC 2007»
13 years 7 months ago
Trapdoor Hard-to-Invert Group Isomorphisms and Their Application to Password-Based Authentication
In the security chain the weakest link is definitely the human one: human beings cannot remember long secrets and often resort to rather insecure solutions to keep track of their ...
Dario Catalano, David Pointcheval, Thomas Pornin
ASIACRYPT
2009
Springer
14 years 2 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
PKC
2009
Springer
129views Cryptology» more  PKC 2009»
14 years 8 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. ...
CCS
2008
ACM
13 years 9 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