International Association for Cryptologic Research

International Association
for Cryptologic Research

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Paper: One-Round Password-Based Authenticated Key Exchange

Authors:
Jonathan Katz
Vinod Vaikuntanathan
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URL: http://eprint.iacr.org/2010/368
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Abstract: We show a general framework for constructing password-based authenticated key exchange protocols with optimal round complexity --- one message per party, sent simultaneously --- in the standard model, assuming the existence of a common reference string. When our framework is instantiated using bilinear-map cryptosystems, the resulting protocol is also (reasonably) efficient. Somewhat surprisingly, our framework can be adapted to give protocols (still in the standard model) that are universally composable, while still using only one (simultaneous) round.
BibTeX
@misc{eprint-2010-23269,
  title={One-Round Password-Based Authenticated Key Exchange},
  booktitle={IACR Eprint archive},
  keywords={cryptographic protocols / PAKE},
  url={http://eprint.iacr.org/2010/368},
  note={ jkatz@cs.umd.edu 14785 received 25 Jun 2010},
  author={Jonathan Katz and Vinod Vaikuntanathan},
  year=2010
}