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Client device ticket

  • US 10,541,990 B2
  • Filed: 07/31/2017
  • Issued: 01/21/2020
  • Est. Priority Date: 07/31/2017
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a network device including an interface to provide access to a network, the network device being communicatively coupled to a client device, the network device to;

    determine that the client device has been authenticated to the network via a captive portal page;

    create a ticket comprising information identifying the client device and a timestamp value, encrypt the ticket using a secret key, and insert an identifier for the secret key in the encrypted ticket, the secret key being stored on a second network device;

    transmit the encrypted ticket to the client device for storage on the client device;

    receive a request from the client device to reconnect to the network, wherein the client device provides the encrypted ticket;

    identify the secret key based on the identifier in the ticket, determine that the secret key is stored on the second network device, and retrieve the secret key from the second network device;

    decrypt the ticket using the retrieved secret key; and

    upon determining that the decrypted ticket corresponds to an authenticated session to the network by the client device, reauthenticate the client device to the network without direction of the client device to the captive portal page.

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