Oblivious transfer based on key exchange

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5 Scopus citations

Abstract

Key-exchange protocols have been overlooked as a possible means for implementing oblivious transfer (OT). In this article, we present protocols for mutual exchange of secrets, 1-out-of-2 OT and coin-flipping similar to the Diffie-Hellman protocol using the idea of obliviously exchanging encryption keys. Since the Diffie-Hellman scheme is widely used, our protocol may provide a useful alternative to the conventional methods for implementation of oblivious transfer and a useful primitive in building larger cryptographic schemes.

Original languageEnglish (US)
Pages (from-to)37-44
Number of pages8
JournalCryptologia
Volume32
Issue number1
DOIs
StatePublished - Jan 2008

Keywords

  • Coin flipping
  • Diffie-Hellman protocol
  • Oblivious key exchange
  • Oblivious transfer
  • One-out-of-two oblivious transfer

ASJC Scopus subject areas

  • Computer Science Applications
  • Applied Mathematics

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