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Enhanced subscriber authentication protocol

  • US 20020018569A1
  • Filed: 06/04/2001
  • Published: 02/14/2002
  • Est. Priority Date: 12/04/1998
  • Status: Active Grant
First Claim
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1. A method of authenticating a pair of correspondents in a communication system, said method comprising the steps of:

  • Exchanging cryptographic keys between said corespondents, said exchange being based on a public key mutual authentication scheme; and

    using said keys for encrypting data in a symmetric-key data exchange.

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