On the relation between A-codes and codes correcting independent errors

  • Authors:
  • Thomas Johansson;Gregory Kabatianskii;Ben Smeets

  • Affiliations:
  • Lund Univ., Sweden;Russian Academy of Sciences, Moscow, Russia;-

  • Venue:
  • EUROCRYPT '93 Workshop on the theory and application of cryptographic techniques on Advances in cryptology
  • Year:
  • 1994

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Abstract

In this paper we show an explicit relation between authentication codes and codes correcting independent errors. This relation gives rise to several upper bounds on A-codes. We also show how to construct A-codes starting from error correcting codes. The latter is used to show that if PS exceeds PI by an arbitrarily small positive amount, then the number of source states grows exponentially with the number of keys but if PS = PI it will grow only linearly.