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Data communication system using encrypted data packets

  • US 5,303,303 A
  • Filed: 02/08/1993
  • Issued: 04/12/1994
  • Est. Priority Date: 07/18/1990
  • Status: Expired due to Fees
First Claim
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1. Apparatus for encrypting data for transmission over a communications network comprising:

  • means for generating a first packet comprising a header portion, an information - containing portion and a trailer portion;

    means for encrypting the first packet; and

    means for generating a second packet comprising a further header portion, the encrypted first packet, and a further trailer portion.

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