Assuring integrity and secure erasure of critical security parameters
US12271513B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 12, 2023 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Jun 12, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C16/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A processing device sets a first flag that indicates whether a first critical security parameter (CSP) file exists. The first CSP file includes a first set of CSPs for a memory device. The processing device sets a second flag that indicates whether the first CSP file is valid. The processing device sets a third flag that indicates whether a second CSP file exists. The second CSP file includes a second set of CSPs for the memory device. The processing device sets a fourth flag that indicates whether the second critical security parameter file is valid. The processing device selects one of the first or second CSP file as an active CSP file based on an evaluation of the first, second, third, and fourth flags.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.