Advances in Cryptology — EUROCRYPT ’93

  title={Advances in Cryptology — EUROCRYPT ’93},
  author={Tor Helleseth},
  booktitle={Lecture Notes in Computer Science},
  • T. Helleseth
  • Published in
    Lecture Notes in Computer…
  • Computer Science
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. 
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