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The extended abstract of this work appears in Andrew Patrick and Moti Yung, editors, Financial Cryptography and Data Security FC 2005, Lectures Notes in Computer Science Vol. 3570, pages
 

Summary: The extended abstract of this work appears in Andrew Patrick and Moti Yung, editors, Financial
Cryptography and Data Security ­ FC 2005, Lectures Notes in Computer Science Vol. 3570, pages
341­356, Roseau, The Commonwealth Of Dominica, Feb. 28 ­ Mar. 3, 2005. Springer-Verlag,
Berlin, Germany.
Interactive Diffie-Hellman Assumptions With
Applications to Password-Based Authentication
Michel Abdalla David Pointcheval
Departement d'Informatique
´Ecole normale sup´erieure
45 Rue d'Ulm, 75230 Paris Cedex 05, France
{Michel.Abdalla,David.Pointcheval}@ens.fr
http://www.di.ens.fr/users/{mabdalla,pointche}.
Abstract
The area of password-based authenticated key exchange protocols has been the subject of a
vast amount of work in the last few years due to its practical aspects. In these protocols, the goal
is to enable users communicating over an unreliable channel to establish a secure session key even
when the secret key that they share is drawn from a small set of values. Despite the attention
given to it, it was only recently that this problem has been formally addressed in the three-party
setting. In this setting, the users trying to establish a secret session key are only required to
share a password with a trusted server and not directly among themselves. In this paper, we

  

Source: Abdalla, Michel Ferreira - Computer Science Department, École Normale Supérieure

 

Collections: Computer Technologies and Information Sciences