Wireless firmware updates
US10581850B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2018 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Sep 8, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/43
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method includes transmitting, by a user device, an encrypted user profile to a locking device, the encrypted user profile including a user key and encrypted by a server using a lock key; decrypting, by the locking device, the encrypted user profile using the lock key to generate a decrypted user profile and obtain the user key from the decrypted user profile; generating, by the user device, an encrypted firmware update command, the encrypted firmware update command encrypted using the user key of the user profile; transmitting, by the user device, the encrypted firmware update command to the locking device; decrypting, by the locking device, the encrypted firmware update command using the user key to generate a decrypted firmware update command; and installing, by the locking device, a firmware update in accordance with the decrypted firmware update command in response to successfully decrypting the encrypted firmware update command.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.