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Mobile platform with sensor data security

  • US 8,955,039 B2
  • Filed: 09/12/2012
  • Issued: 02/10/2015
  • Est. Priority Date: 09/12/2012
  • Status: Active Grant
First Claim
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1. A method for securely providing context sensor data, said method comprising:

  • configuring one or more sensors to provide context data, said context data associated with a mobile device;

    providing an application programming interface (API) to a sensor driver, said sensor driver configured to control said sensors;

    providing a trusted execution environment (TEE) operating on said mobile device, said TEE configured to host said sensor driver and restrict control access and data access to said sensor driver and to said sensors;

    generating a request for said context data through said API, said request generated by an application associated with said mobile device;

    receiving, by said application, said requested context data and a validity indicator through said API, wherein said validity indicator is generated by said TEE;

    verifying, by said application, that said requested context data is received from said TEE based on said validity indicator; and

    adjusting a policy associated with said application based on said verified context data.

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