×

Secure one-way authentication communication system

  • US 6,430,690 B1
  • Filed: 07/28/2000
  • Issued: 08/06/2002
  • Est. Priority Date: 01/30/1998
  • Status: Active Grant
First Claim
Patent Images

1. A method of authenticating at least one of a pair of first and second correspondents C and T in a data communication system, said method comprising the steps of:

  • storing a public key in said first correspondent C;

    computing a shared secret by said second correspondent T incorporating said public key C;

    storing said shared secret in said first correspondent C;

    said second correspondent T generating a challenge value χ and

    transmitting said challenge signal χ

    to said first correspondent C;

    said first correspondent C transmitting to the second correspondent T information including said stored public key C;

    said second correspondent T computing a test shared secret from said received public key C;

    said first and second correspondents computing response signals using said challenge value χ and

    said shared secret in a one-way function ƒ

    1; and

    said first correspondent C transmitting said computed response signal to said second correspondent T whereby said second correspondent may verify said first correspondent.

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