Method and device for managing digital certificate
US11363010B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2018 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Nov 28, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/205
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and device for managing a digital certificate are provided. A digital certificate requesting device negotiates with a digital certificate issuing device by using an acquired authorization code, to establish a security data channel and generate a security key, and messages can be encrypted with the generated data communication key during a process of message interaction between the digital certificate requesting device and the digital certificate issuing device, thereby effectively increasing the security in data transmission. The method and device are applicable for automatically requesting for, querying, updating, revoking a digital certificate and acquiring a digital certificate revocation list in various scenarios.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.