Method and apparatus for flash updates with secure flash
US8001385B2 · kind B2 · utility
9Cited by
13References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 21, 2006 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Jan 7, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/572
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Firmware updates are performed in a digital device that includes a secure flash that secures each block of stored data with a digital signature. In at least one embodiment, the update package that is received by the digital device for use in performing the update includes the digital signatures of blocks to be updated in the flash. In other embodiments, the digital signatures are generated within the digital device after an update package has been received.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.