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Virtual encryption scheme combining different encryption operators into compound-encryption mechanism

  • US 6,233,338 B1
  • Filed: 04/09/1999
  • Issued: 05/15/2001
  • Est. Priority Date: 08/01/1996
  • Status: Expired due to Term
First Claim
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1. A method for controllably encrypting data to be transmitted over a communication path between a data source and a data recipient, comprising the steps of:

  • (a) providing a plurality of respectively different data encryption operators each of which is capable of encrypting said data into an unintelligible form for transmission over said communication path; and

    (b) successively passing said data to be transported over said communication path through said plurality of respectively different encryption operators that are assembled in a cascaded sequence to produce a multiple-encrypted data stream.

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