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Verification of mobile device integrity during activation

  • US 9,226,145 B1
  • Filed: 03/28/2014
  • Issued: 12/29/2015
  • Est. Priority Date: 03/28/2014
  • Status: Active Grant
First Claim
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1. A mobile communication device, comprising:

  • a processor; and

    a memory, comprising;

    a permissive portion, comprising;

    an open mobile alliance (OMA) device management (DM) client application to provision the mobile communication device based on a state of a toggle key, anda trusted security zone portion, comprising;

    the toggle key, wherein the toggle key controls whether or not the profile of the mobile communication device is allowed to be provisioned into the mobile communication device, and wherein configurations of a network or an operating system associated with the network are provisioned during the profile provisioning, anda verification application, when executed by a trusted security zone portion of the processor;

    examines an integrity of a preloaded OMA DM payload, wherein a security key in the OMA DM payload is compared with a security key stored in the trusted security zone to determine the integrity of the OMA DM payload and to determine a state of a preloaded first operating system from a first network,verifies an identification of the mobile communication device,transmits information comprising the security key in the trusted security zone to a server to verify network provisioning of the mobile communication device, andchanges the toggle key based on the verification results;

    whereby asset migration between network carriers is achieved and unauthorized activities are avoided while security keys are kept confidential to individual carriers.

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