Patent ID: 9386008
Filing Date: 2016-07-05
CPC Classification: H04L

Claim Text:
1. A method for the secure distribution of digital certificates for electronic devices manufactured by a third party, comprising the steps of: manufacturing an electronic device using a third party, and installing a unique serial number and secret code on the electronic device, along with a software system image; an end user powering on the electronic device after it has been sold; setting up internet access for the electronic device and an account with a requester server; initiating a certificate enrollment process which causes the electronic device to generate a private key, a public key, and a certificate signing request; sending a hashed version of the certificate signing request to the requester server, using the secret code as a key; a certificate file is generated and sent to the electronic device, and storing the public key and private key in a memory of the electronic device, thereby enabling the electronic device to encrypt and decrypt messaging with the requester server, using its public and private keys; wherein the electronic device communicates wherein the requester server is comprised of a root controller and a coordination server, the electronic device communicating with the root controller via a secured protocol, and the electronic device communicating with the coordination server via a secured protocol, and wherein the electronic device is assigned a unique system identifier by the requester server, and the electronic device sends the requester server a certificate signing request (“CSR”), its unique system identifier, and a hash combination of the unique system identifier and CSR, hashed using the secret code as a key.