Anti-cloning of device cryptographic keys for counterfeit prevention
US12335390B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2023 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Oct 30, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0876
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus, and system for providing device credentials to a plurality of devices is disclosed. The system comprises a credential builder, for generating the credentials or procuring the credentials from a source external to the credential distribution system; a credential loader; a credential server, for accepting credential requests from the devices and for receiving the requested credentials from the credential loader; a first secured interface, communicatively coupling the credential loader and the credential server; a second secured interface, communicatively coupling the credential server and the device; a central credential database, communicatively coupled to the credential loader, for storing each the credentials and a provisioning history of each of the credentials; a credential server database, communicatively coupled to the credential server, for storing the credentials local to the credential server; and a cloning detection system, communicatively coupled to the central credential database and the credential server database, the cloning detection system for detecting duplicate credentials using the credentials stored in the central credential database and t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.