Welcome to the resource topic for 2013/666
Title:
An Offline Dictionary Attack against a Three-Party Key Exchange Protocol
Authors: Junghyun Nam, Kim-Kwang Raymond Choo, Juryon Paik, Dongho Won
Abstract:Despite all the research efforts made so far, the design of protocols for password-authenticated key exchange (PAKE) still remains a non-trivial task. One of the major challenges in designing such protocols is to protect low-entropy passwords from the notorious dictionary attacks. In this work, we revisit Abdalla and Pointcheval’s three-party PAKE protocol presented in Financial Cryptography 2005, and demonstrate that the protocol is vulnerable to an off-line dictionary attack whereby a malicious client can find out the passwords of other clients.
ePrint: https://eprint.iacr.org/2013/666
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