Device, server and method for providing secret key encryption and restoration
US10020939B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2016 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Oct 18, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0894
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present disclosure includes: a communication module; a memory that stores a secret key encryption and restoration program; and a processor that executes the program, wherein when a request for restoration of a secret key is received from a user, the processor restores the secret key of which restoration is requested on the basis of restoration information received from each of a key management server and one or more trusted devices according to execution of the program, the secret key of the user is generated and encrypted by the processor in response to the request from the user, and the restoration information is generated corresponding to the secret key and then transmitted to each of the key management server and the one or more trusted devices through the communication module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.