Hiding private user data in public signature chains for user authentication in video conferences
US11843900B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 21, 2021 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Feb 16, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
One example method includes receiving identification information associated with a new user device, the new user device associated with the user; accessing a signature chain associated with the user, the signature chain comprising one or more sequential records; associating user personal information with the new user device; generating a cryptographic signature based on cryptographic keys associated with the new user device; generating an obfuscated representation of the user personal information; generating a record comprising the identification information, the user personal information, the cryptographic signature, and the obfuscated representation of the user personal information; generating a cryptographic identifier based on the identification information, the cryptographic signature, the obfuscated representation of the user personal information, and a latest of the one or more sequential records; inserting the cryptographic identifier into the record; appending the record to the signature chain as a sequential record; receiving a request to join a video conference from the user device, the request identifying the new client device and the user as a participant in the video …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.