Protocol and system for tee-based authenticating and editing of mobile-device captured visual and audio media
US11741219B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2021 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Feb 8, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/85406
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In general, one aspect disclosed features a media asset capture and processing method, implemented via a computer-based state machine executing on a computer processor, the method comprising: implementing a first phase including media asset capture and frame processing limited to Rich Execution Environment (REE) read-only (RO) frame access; implementing a second phase including processing with REE read-write (RW) frame access; and implementing a third phase including processing with REE read-only (RO) frame access.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.