Using PKI for security and authentication of control devices and their data
US11456882B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 11, 2020 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | May 11, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/76
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Method for authenticating a first and a second electronic devices associated through a communication line includes: creating a unique ID, by a third electronic device; transmitting the unique ID to the first electronic device; signing the transmitted unique ID by the first electronic device; transmitting the signed unique ID to the second electronic device, by the first electronic device; signing the transmitted signed unique ID by the second electronic device; transmitting the unique ID signed by the first and second electronic devices to the third electronic device; verifying and accepting the unique ID signed by the first device and the second device, by the third device; issuing a certificate for a secure communication line between the first electronic device and the second electronic device; and transmitting the certificate to the first electronic device and the second electronic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.