Blockchain based digital certificate provisioning of internet of things devices

Blockchain based digital certificate provisioning of internet of things devices

A system and method for provisioning an IoT device with a digital certificate without a need for a central Certificate Authority is presented. A blockchain is initiated, with a root certificate presented in an initial block of the blockchain. Said root certificate is subsequently used to sign an aut...

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Hauptverfasser: Finlow-Bates, Keir, Callan, Jonathan Sean
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator Finlow-Bates, Keir
Callan, Jonathan Sean
description A system and method for provisioning an IoT device with a digital certificate without a need for a central Certificate Authority is presented. A blockchain is initiated, with a root certificate presented in an initial block of the blockchain. Said root certificate is subsequently used to sign an authorized certificate. The IoT device is preloaded with a nonce, and a hash of the nonce signed by an authorized certificate is published on the blockchain. The nonce may then be submitted to the blockchain with a self-signed certificate, the presence of the nonce validating the self-signed certificate. The blockchain provides a final single view of a true state of the digital certificates in the system and their respective authority and validity.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Blockchain based digital certificate provisioning of internet of things devices
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