Impossibility of blind signatures from one-way permutations

  • Authors:
  • Jonathan Katz;Dominique Schröder;Arkady Yerukhimovich

  • Affiliations:
  • University of Maryland;Darmstadt University of Technology, Germany;University of Maryland

  • Venue:
  • TCC'11 Proceedings of the 8th conference on Theory of cryptography
  • Year:
  • 2011

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Abstract

A seminal result in cryptography is that signature schemes can be constructed (in a black-box fashion) from any one-way function. The minimal assumptions needed to construct blind signature schemes, however, have remained unclear. Here, we rule out black-box constructions of blind signature schemes from one-way functions. In fact, we rule out constructions even from a random permutation oracle, and our results hold even for blind signature schemes for 1-bit messages that achieve security only against honest-but-curious behavior.