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MOBILE PLATFORM SOFTWARE UPDATE WITH SECURE AUTHENTICATION

  • US 20140004825A1
  • Filed: 06/29/2012
  • Published: 01/02/2014
  • Est. Priority Date: 06/29/2012
  • Status: Active Grant
First Claim
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1. A communication device comprising:

  • an image update module configured to receive a software update image from an update server, said image update module executing at an operating system (OS) level;

    a critical component database configured to identify critical software components associated with secure operation of said device;

    a secure update application module configured to verify the inclusion of said critical software components in said software update image prior to installation of said software update image on said device; and

    a trusted execution environment (TEE) operating on said device configured to restrict control access and data access to said secure update application module and said critical component database, said restriction enforced against said OS and against modules executing at said OS level.

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