Stronger Security of Authenticated Key Exchange

  title={Stronger Security of Authenticated Key Exchange},
  author={Brian A. LaMacchia and Kristin E. Lauter and Anton Mityagin},
  journal={IACR Cryptology ePrint Archive},
In this paper we study security definitions for authenticated key exchange (AKE) protocols. We observe that there are several families of attacks on AKE protocols that lie outside the boundary of the current class of security definitions. In an attempt to bring these attacks within the scope of analysis we extend the AKE security definition to provide greater powers to the adversary. We provide a general framework for defining AKE security, which we call strong AKE security, such that existing… CONTINUE READING
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