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Device Theft Protection Associating A Device Identifier And A User Identifier

  • US 20170085386A1
  • Filed: 12/02/2016
  • Published: 03/23/2017
  • Est. Priority Date: 03/30/2015
  • Status: Active Grant
First Claim
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1. A method implemented in a computing device, the method comprising:

  • determining that theft protection is to be enabled on the computing device;

    sending, to an identity service over a network, user credentials of a user of the computing device;

    receiving, from the identity service, a ticket indicating that the user credentials have been verified by the identity service;

    sending, to a key service over the network, the ticket;

    receiving, from the key service, a data value having been generated by the key service based on both a recovery key for the computing device and a device identifier that identifies the computing device;

    saving the data value as an authenticated variable on the computing device by writing the data value to an authenticated variable storage system of the computing device;

    receiving user input that is the recovery key of the computing device;

    generating an additional data value based on the user input as well as the device identifier that identifies the computing device;

    determining whether the data value and the additional data value are the same value; and

    changing the computing device to an unprotected state in response to the data value and the additional data value being the same value.

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