Designing and Detecting Trapdoors for Discrete Log Cryptosystems

  • Authors:
  • Daniel M. Gordon

  • Affiliations:
  • -

  • Venue:
  • CRYPTO '92 Proceedings of the 12th Annual International Cryptology Conference on Advances in Cryptology
  • Year:
  • 1992

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Abstract

Using a number field sieve, discrete logarithms modulo primes of special forms can be found faster than standard primes. This has raised concerns about trapdoors in discrete log cryptosystems, such as the Digital Signature Standard. Tins paper discusses the practical impact of these trapdoors, and how to avoid them.