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Managing an image boot

  • US 10,467,016 B2
  • Filed: 06/26/2017
  • Issued: 11/05/2019
  • Est. Priority Date: 06/30/2016
  • Status: Active Grant
First Claim
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1. A wireless communication unit configured to be located in a nacelle associated with an engine of an aerial vehicle comprising:

  • a random access memory; and

    one or more processors configured to;

    perform a first data validity check on a first location for a primary index;

    perform a second data validity check on a second location for a secondary index;

    when the first data validity check fails and the second data validity check fails, reboot; and

    when the first data validity check passes, the one or more processors are configured to;

    extract the primary index from the first location;

    copy one or more images at the primary index into the random access memory;

    perform third data validity check on the one or more images;

    when the third data validity check passes, then the one or more processors are further configured to;

    perform a cryptographic signature check;

    when the cryptographic signature check passes, boot the one or more images at the primary index; and

    when the cryptographic signature check fails, reboot.

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