Video resource file acquisition method and management system
US10887634B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2018 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Aug 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/6581
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video resource file acquisition method includes: acquiring, by a terminal, a resource decryption key of a target video from a key management server; transmitting, by the terminal, a resource download request for the target video to a resource server of the target video; after receiving the resource download request for the target video, acquiring, by the resource server, a resource encryption key of the target video from the key management server; encrypting, by the resource server, a resource file of the target video by using the resource encryption key and feeding back, by the resource server, the encrypted resource file to the terminal; and after receiving the encrypted resource file, decrypting, by the terminal, the encrypted resource file using the resource decryption key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.