Pseudorandomness

  • Authors:
  • Oded Goldreich

  • Affiliations:
  • -

  • Venue:
  • ICALP '00 Proceedings of the 27th International Colloquium on Automata, Languages and Programming
  • Year:
  • 2000

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Abstract

We postulate that a distribution is pseudorandom if it cannot be told apart from the uniform distribution by any efficient procedure. This yields a robust definition of pseudorandom generators as efficient deterministic programs stretching short random seeds into longer pseudorandom sequences. Thus, pseudorandom generators can be used to reduce the randomness-complexity in any efficient procedure. Pseudorandom generators and computational difficulty are closely related: loosely speaking, each can be efficiently transformed into the other.