System, device, and method for writing data to protected region
US12314574B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2021 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Mar 27, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F7/58
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A storage device configured to communicate with a host, the storage device including: a memory including a protected region; and a controller configured to provide the host with a first response including a first device message authentication code and a first device message, receive a first write request from the host, the first write request including a first host message authentication code and a first host message, generate a first message verification code based on the first device message authentication code and the first host message, verify the first write request based on the first host message authentication code and the first message verification code, and write data included in the first write request to the protected region when the verification of the first write request succeeds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.