Cryptographic protocols

  • Authors:
  • Richard A. DeMillo;Nancy A. Lynch;Michael J. Merritt

  • Affiliations:
  • -;-;-

  • Venue:
  • STOC '82 Proceedings of the fourteenth annual ACM symposium on Theory of computing
  • Year:
  • 1982

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Abstract

A cryptographic transformation is a mapping f from a set of cleartext messages, M, to a set of ciphertext messages. Since for m e M, f(m) should hide the contents of m from an enemy, f-1 should, in a certain technical sense, be difficult to infer from f(m) and public knowledge about f. A cryptosystem is a model of computation and communication which permits the manipulation of messages by cryptographic transformations.