Secured storage of ciphering keys
US12045378B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 30, 2022 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Nov 23, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a method for performing a cryptographic operation, the method including generating a first count value by a monotonic counter of a processing device, transmitting the first count value from the monotonic counter to a memory of the processing device, selecting a first encryption key from the memory based on the first count value, and providing the selected first encryption key to a cryptographic processor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.