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Certificate based authentication authorization accounting scheme for loose coupling interworking

  • US 20050154909A1
  • Filed: 03/13/2003
  • Published: 07/14/2005
  • Est. Priority Date: 04/26/2002
  • Status: Active Grant
First Claim
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1. A method for providing Authentication, Authorization and Accounting (AAA) in a first network for a mobile device that is associated with a second network, the first and second networks having respective AAA schemes, comprising the steps of:

  • receiving a first key from the second network;

    receiving a certificate from a mobile device; and

    authenticating the certificate using the key, and if the certificate is authenticated, generating a session key, transmitting the session key to the mobile device, and allowing the mobile device to access the first network using the session key.

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