Chassis internal device security
US11068598B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2018 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Dec 28, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2129
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods, systems, and computer programs encoded on computer storage medium, for verifying, by a mask ROM of a CPU of a first computing device and with fused keys included by the CPU, a boot loader that is included by a flash memory of the first computing device, in response to verifying the boot loader, verifying, by the boot loader and with boot loader keys included by the flash memory, a kernel included by the a memory device of the first computing device, in response to verifying the kernel, decrypting, by the kernel using a hidden root key (HRK) included by the CPU of the first computing device, a device unique certification (DUC) included by the flash memory, in response to decrypting the DUC, generating, by the first computing device, a proof-of-possession of the DUC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.