Making conditionally secure cryptosystems unconditionally abuse-free in a general context

  • Authors:
  • Yvo G. Desmedt

  • Affiliations:
  • -

  • Venue:
  • CRYPTO '89 Proceedings on Advances in cryptology
  • Year:
  • 1989

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Abstract

[Sim84] introduced the concept of subliminal channel in the context of signature systems. [Des88b] presented a solution against subliminal channels and extended in [Des88a] the solution to abuse-free coin-flipping, abuse-free generation of public keys, and abuse-free zero-knowledge. In this paper we demonstrate that a whole family of systems (generalized Arthur-Merlin games) can be made abuse-free, avoiding the exhaustive approach of [Des88a]. We will hereto formalize the concept of abuse.