Technologies for secure inter-processor communications
US12267412B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2022 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Apr 14, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/62
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An access control device according to an embodiment includes a lock mechanism, a digital core PCBA including at least one first processor and at least one first memory and is configured to facilitate wireless communications, wherein the at least one first memory is provisioned with a master initialization salt key, and an access core PCBA electrically coupled to the digital core PCBA, that includes at least one second processor and at least one second memory, and is configured to facilitate access control, and wherein the at least one second memory is provisioned with an access core initialization key derived from the master initialization salt key, wherein the digital core PCBA establishes a secure communication channel with the access core PCBA via an electrical connection between the digital core PCBA and the access core PCBA based on the master initialization salt key and the access core initialization key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.