Industrial network certificate recovery by identifying secondary root certificate
US10057072B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 31, 2014 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Dec 31, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
According to various aspects and embodiments, a programmable device configured for use within an industrial control system is provided. The programmable device includes a memory storing a plurality of root certificates, the plurality of root certificates including an active certificate and one or more secondary certificates, and at least one processor coupled to the memory. The at least one processor configured to receive an identifier of a secondary root certificate of the one or more secondary root certificates, and activate the secondary root certificate in response to receiving the identifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.