×

Method and apparatus for authenticating users of a communication system to each other

  • US 5,202,921 A
  • Filed: 04/01/1991
  • Issued: 04/13/1993
  • Est. Priority Date: 04/01/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. In a communication system having a plurality of parties, a method for each party to authenticate another party comprising:

  • generating a system function in at least two variables, said function two variables representing the identity of first and second parties;

    transferring to each of the parties a projection of said function solved for a respective party'"'"'s identity;

    evaluating at said first party'"'"'s location said projection with the identity of said second party to obtain a validation number, when said first party needs to authenticate said second party;

    evaluating at said second party'"'"'s location said second projection with the identity of said first party;

    comparing at each party'"'"'s location the evaluated projections, and determining based on said comparison the authenticity of each party.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×