Concurrent non-malleable commitments from any one-way function

  • Authors:
  • Huijia Lin;Rafael Pass;Muthuramakrishnan Venkitasubramaniam

  • Affiliations:
  • Cornell University;Cornell University;Cornell University

  • Venue:
  • TCC'08 Proceedings of the 5th conference on Theory of cryptography
  • Year:
  • 2008

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Abstract

We show the existence of concurrent non-malleable commitments based on the existence of one-way functions. Our proof of security only requires the use of black-box techniques, and additionally provides an arguably simplified proof of the existence of even stand-alone secure non-malleable commitments.