Feature: The Impact of Quantum Computing on Cryptography

  • Authors:
  • Marie A Wright

  • Affiliations:
  • -

  • Venue:
  • Network Security
  • Year:
  • 2000

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Abstract

The strength of our current encryption systems is based on cryptographic keys and complex mathematical algorithms. Using a sufficiently long cryptographic key, a mathematical algorithm transforms plaintext into ciphertext in such a way as to make it computationally infeasible for a cryptanalyst to determine either the enciphered message or the underlying key. An implicit assumption is that computer technology, as we know it, is used throughout this process. But what if a different type of computer - one based on quantum physics rather than classical mechanics - was used?