Boot control systems and methods for vehicles
US9779247B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 29, 2015 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Oct 21, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/033
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A hardware security module (HSM) transitions a first signal from a first state to a second state and transitions a second signal from a first state to a second state when a request to change boot code is received. In response to receipt of a boot request, the HSM, when the first signal is in the first state and the second signal is in the first state: does not execute the hash function; and maintains the second signal in the first state. An actuator control module, in response to the receipt of the boot request: executes the boot code when the second signal is in the first state; and does not execute the boot code when the second signal is in the second state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.