Key management method and related device
US11943345B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2021 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Nov 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/20
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A key management method and a related device are provided. The method includes: receiving key generation request information; generating attribute access policy information on the basis of the key generation request information, the attribute access policy information being an attribute set for encrypting a data key; encrypting the data key on the basis of the attribute set for encrypting the data key; receiving key acquisition request information; on the basis of the attribute set for encrypting the data key, verifying whether attribute information of the key acquisition request information is included in the attribute set for encrypting the data key; and in response to the attribute information of the key acquisition request information being included in the attribute set for encrypting the data key, acquiring a destination data key on the basis of the attribute information of the key acquisition request information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.