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CRYPTO
2006
Springer
155views Cryptology» more  CRYPTO 2006»
15 years 8 months ago
A Method for Making Password-Based Key Exchange Resilient to Server Compromise
This paper considers the problem of password-authenticated key exchange (PAKE) in a client-server setting, where the server authenticates using a stored password file, and it is de...
Craig Gentry, Philip D. MacKenzie, Zulfikar Ramzan
ASIACRYPT
2004
Springer
15 years 9 months ago
Constant-Round Authenticated Group Key Exchange for Dynamic Groups
Abstract. An authenticated group key exchange (AGKE) scheme allows a group of users in a public network to share a session key which may later be used to achieve desirable cryptogr...
Hyun-Jeong Kim, Su-Mi Lee, Dong Hoon Lee
ENTCS
2006
145views more  ENTCS 2006»
15 years 4 months ago
Real-or-random Key Secrecy of the Otway-Rees Protocol via a Symbolic Security Proof
We present the first cryptographically sound security proof of the well-known Otway-Rees protocol. More precisely, we show that the protocol is secure against arbitrary active att...
Michael Backes
PODC
2004
ACM
15 years 10 months ago
Asynchronous group key exchange with failures
Group key exchange protocols allow a group of servers communicating over an asynchronous network of point-to-point links to establish a common key, such that an adversary which fu...
Christian Cachin, Reto Strobl
PKC
2007
Springer
111views Cryptology» more  PKC 2007»
15 years 10 months ago
Optimistic Fair Exchange in a Multi-user Setting
: This paper addresses the security of optimistic fair exchange in a multi-user setting. While the security of public key encryption and public key signature schemes in a single-us...
Yevgeniy Dodis, Pil Joong Lee, Dae Hyun Yum