Patent · US Active

Protocol and system for tee-based authenticating and editing of mobile-device captured visual and audio media

US11741219B2 · kind B2 · utility

2Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 2021
Grant dateAug 29, 2023
Priority date
Expiry dateFeb 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.