Sciweavers

82 search results - page 7 / 17
» Modeling insider attacks on group key-exchange protocols
Sort
View
CRYPTO
2006
Springer
155views Cryptology» more  CRYPTO 2006»
13 years 11 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
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
CRYPTO
2005
Springer
83views Cryptology» more  CRYPTO 2005»
14 years 1 months ago
A Practical Attack on a Braid Group Based Cryptographic Protocol
In this paper we present a practical heuristic attack on the Ko, Lee et al. key exchange protocol introduced at Crypto 2000 [10]. One of the ideas behind our attack is using Dehorn...
Alexei G. Myasnikov, Vladimir Shpilrain, Alexander...
SEC
2001
13 years 9 months ago
Security Analysis of the Cliques Protocols Suites: First Results
: The Cliques protocols are extensions of the Diffie-Hellman key exchange protocol to a group setting. In this paper, we are analysing the A-GDH.2 suite that is intended to allow a...
Olivier Pereira, Jean-Jacques Quisquater
CTRSA
2006
Springer
140views Cryptology» more  CTRSA 2006»
13 years 11 months ago
Session Corruption Attack and Improvements on Encryption Based MT-Authenticators
Bellare, Canetti and Krawczyk proposed a security model (BCK-model) for authentication and key exchange protocols in 1998. The model not only reasonably captures the power of pract...
Xiaojian Tian, Duncan S. Wong