Multiple roots of trust to verify integrity
US10740468B2 · kind B2 · utility
4Cited by
2References
12Claims
0Family size
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Key dates
| Filing date | Sep 25, 2017 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Aug 24, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/034
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An example computing system in accordance with an aspect of the present disclosure includes a first controller and a second controller. The first controller is to verify integrity of a first root of trust (ROT), and generate an integrity signal indicating the results. The second controller is to verify integrity of a second ROT, write the firmware image to the first controller, and verify integrity of the written firmware image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.