Systems and methods for securely booting a network device with a service provider trust anchor
US11829773B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2020 |
| Grant date | Nov 28, 2023 |
| Priority date | — |
| Expiry date | Apr 2, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3247
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A network device may load, via a boot ROM application, a provider bootloader application from a memory of the network device and may calculate a first hash value based on decrypting a provider bootloader signature with a provider public key. The network device may calculate a second hash value based on the provider bootloader application and may utilize, when the first hash value and the second hash value are equivalent, the provider bootloader application to load an original equipment manufacturer (OEM) bootloader application from the memory. The network device may calculate a third hash value based on decrypting an OEM bootloader signature with one of a plurality of OEM public keys. The network device may calculate a fourth hash value based on the OEM bootloader application. The network device may complete, when the third hash value and the fourth hash value are equivalent, a boot process for the network device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.