All Bits ax+b mod p are Hard (Extended Abstract)

  • Authors:
  • Mats Näslund

  • Affiliations:
  • -

  • Venue:
  • CRYPTO '96 Proceedings of the 16th Annual International Cryptology Conference on Advances in Cryptology
  • Year:
  • 1996

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Abstract

In this paper we show that for any one-way function f, being able to determine any single bit in ax + b mod p for a random Ω(|x|)-bit prime p and random a, b with probability only slightly better than 50% is equivalent to inverting f(x).