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Pseudorandom composition-based cryptographic authentication process

  • US 5,619,575 A
  • Filed: 08/22/1994
  • Issued: 04/08/1997
  • Est. Priority Date: 08/22/1994
  • Status: Expired due to Term
First Claim
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1. A method of encrypting digital information comprising the steps of:

  • (a) representing said digital information as a set of binary digits, N;

    (b) testing one of the binary digits to determine if the digit is a 1 or a 0;

    (c) applying a first encryption process on said digital information if the digit is a 1 or a second encryption process on said digital information if the digit is a 0 to produce an altered set of digital information;

    (d) replacing said digital information with said altered set of digital information;

    (e) repeating steps (b) through (d) upon testing a second of said binary digits to determine if said second of said binary digits is a 1 or a 0.

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