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Secure and interruptible transfer of a map update package to a navigation device

  • US 9,141,372 B1
  • Filed: 06/20/2014
  • Issued: 09/22/2015
  • Est. Priority Date: 06/20/2014
  • Status: Active Grant
First Claim
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1. A method for performing a map update for a navigation device, the method comprising:

  • receiving a manifest file corresponding to a map update package and receiving a digital signature corresponding to the manifest file, wherein the map update package comprises a plurality of pieces;

    verifying, by a processor, the digital signature;

    receiving, after successful verification of the digital signature, a piece of the map update package to be written to a storage of the navigation device;

    verifying, by the processor, the received piece using the received manifest file; and

    writing, in response to successful verification of the received piece, the received piece to the storage of the navigation device.

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