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Secure communication of IOT devices for vehicles

  • US 10,333,720 B2
  • Filed: 02/06/2018
  • Issued: 06/25/2019
  • Est. Priority Date: 04/30/2010
  • Status: Active Grant
First Claim
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1. A method for establishing secure communication between a plurality of devices, each device including a hardware processor, associated memory, a unique identification, a digital identity token and a cryptographic key, the method comprising:

  • transmitting over a communication network an invitation to a second device by a first device to establish a communication line with the first device by receiving a digital identity token from the second device;

    authenticating a communication line between the first device and the second device;

    issuing a digital certificate to the communication line to establish a secure communication line between the first device and the second device;

    grouping the plurality of devices into different groups based on a predetermined criteria and storing the different groups in a storage device;

    storing group memberships for the different groups in respective attribute certificates of the respective devices; and

    preventing a device for which a secure communication line to any one of the plurality of devices has not been established, or which is not a member of a group with an approved attribute certificate, from communicating with said any one of the plurality of devices.

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