Title:
MEDIA DATA DECRYPTION METHOD AND APPARATUS, AND COMPUTER DEVICE AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/103413
Kind Code:
A1
Abstract:
A media data decryption method, comprising: acquiring a media data encrypted packet, wherein the media data encrypted packet is obtained by performing pixel out-of-order encryption on original media data according to location index data, and the location index data corresponds to structural parameters of a display screen; decrypting the media data encrypted packet to obtain location out-of-order index data and media data to be decrypted; according to the location out-of-order index data, configuring a programmable logic circuit of a control system of the display screen in a media data playing terminal; and on the basis of the configured programmable logic circuit, decrypting the media data to be decrypted, so as to obtain decrypted media data.
Inventors:
QI FENG (CN)
YU CHENGZHI (CN)
YU CHENGZHI (CN)
Application Number:
PCT/CN2022/108891
Publication Date:
June 15, 2023
Filing Date:
July 29, 2022
Export Citation:
Assignee:
UNILUMIN GROUP CO LTD (CN)
International Classes:
H04L9/06; G06F16/41; H04L9/08
Foreign References:
| CN114337988A | 2022-04-12 | |||
| CN110598430A | 2019-12-20 | |||
| CN110248045A | 2019-09-17 | |||
| CN111832035A | 2020-10-27 | |||
| CN112272262A | 2021-01-26 | |||
| US20200099876A1 | 2020-03-26 | |||
| CN202111510831A | 2021-12-10 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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