×

METHOD AND SYSTEM FOR DISTRIBUTED, LOCALIZED AUTHENTICATION IN THE FRAMEWORK OF 802.11

  • US 20090187983A1
  • Filed: 09/05/2008
  • Published: 07/23/2009
  • Est. Priority Date: 09/07/2007
  • Status: Active Grant
First Claim
Patent Images

1. :

  • A method for controlling Internet access of a mobile device by using a communication system which includes a number of access points connected to an Internet and to mobile devices, the method comprising the steps of;

    a) performing a certificate-based authentication between an access point, operating as an authentication access point, and an authenticating mobile device seeking access to an Internet, wherein the authenticating mobile device is disposed in the coverage area of the authentication access point;

    a1) transmitting a certificate from the mobile device over a wireless link to the authentication access point, wherein the transmitted certificate includes at least a mobile device identifier, the public key of the mobile device or user, and a timestamp indicating a lifetime of the certificate;

    a2) verifying the certificate by the authentication access point;

    a3) determining by the authentication access point, based on a certificate revocation list, whether the authenticating mobile device'"'"'s certificate has been revoked prior to the expiration of the lifetime, wherein at least a portion of the certificate revocation list is stored at least temporarily at the authentication access point; and

    a4) granting the authenticating mobile device access to the Internet if the certificate has been verified successfully in the verifying step and not revoked prior to the expiration of the lifetime.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×