Title:
METHOD, APPARATUS AND SYSTEM FOR DIGITAL RIGHTS MANAGEMENT (DRM)
Document Type and Number:
WIPO Patent Application WO/2021/168856
Kind Code:
A1
Abstract:
Provided are a method, apparatus and system for digital rights management (DRM), wherein same can enable a DRM intercommunication operation between a DRM server and a client that are from different manufacturers. The method comprises: a DRM server encrypting a first media file by using a first encryption method to obtain a first encrypted media file; the DRM server generating content protection description information of the first encrypted media file, wherein the content protection description information comprises a content identifier and encryption method information, the content identifier is used for identifying the first encrypted media file, and the encryption method information is used for identifying the first encryption method; the DRM server performing first formatting on the content protection description information to generate formatted content protection data; the DRM server encapsulating the formatted content protection data to generate a content protection data packet; and the DRM server packaging the content protection data packet and the first encrypted media file, and then sending same to a client.
Inventors:
LIANG ZHIJIAN (CN)
WU DI (CN)
WU DI (CN)
Application Number:
PCT/CN2020/077341
Publication Date:
September 02, 2021
Filing Date:
February 29, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06F21/10
Foreign References:
| CN101110675A | 2008-01-23 | |||
| CN109117606A | 2019-01-01 | |||
| US20170357785A1 | 2017-12-14 |
Other References:
See also references of EP 4105794A4
Attorney, Agent or Firm:
BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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