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System and method for user certificate initiation, distribution, and provisioning in converged WLAN-WWAN interworking networks

  • US 20060075242A1
  • Filed: 10/01/2004
  • Published: 04/06/2006
  • Est. Priority Date: 10/01/2004
  • Status: Active Grant
First Claim
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1. A method for secure operations in a converged interworking network, comprising:

  • receiving a public key from a computing device;

    performing a bootstrapping process with a cellular operator;

    obtaining a user certificate from the cellular operator, wherein the user certificate is based on the public key; and

    transferring the user certificate to the computing device for digital signature, verification, and encryption purposes, wherein the converged interworking network comprises a wireless wide-area network (WWAN) and a wireless local-area network (WLAN), wherein the user certificate is used in both the WWAN and WLAN networks to authenticate a subscriber.

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