Information processing apparatus, control method of information processing apparatus, and storage medium
US11928217B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2021 |
| Grant date | Mar 12, 2024 |
| Priority date | — |
| Expiry date | Aug 27, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/034
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus comprising: a unit configured to verify whether a first region that specifies a verification range of a first boot code and a second region that specifies a verification range of a second boot code have been altered; a unit configured to, when the first region has not been altered, verify whether the first boot code has been altered; a unit configured to, when the first boot code has been altered and the second region has not been altered, verify whether the second boot code has been altered; and a unit configured to, when the second boot code has not been altered, restore the first boot code using the second boot code, wherein the first and second regions are regions that are not rewritten after a start of the apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.