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Efficient method for multiplication over galois fields

  • US 20030128841A1
  • Filed: 12/04/2001
  • Published: 07/10/2003
  • Est. Priority Date: 08/04/2000
  • Status: Active Grant
First Claim
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1. An improved method for encryption, comprising:

  • receiving original data to be encrypted;

    performing cipher steps to process the original data into encrypted data, including;

    looking up logs of terms being multiplied over a finite field;

    summing the logs to obtain a sum; and

    looking up the anti-log of the sum;

    outputting the encrypted data.

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