公开(公告)号：US20230006984A1

公开(公告)日：2023-01-05

申请号：US17896363

申请日：2022-08-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhijian Liang ,  Di Wu

IPC: H04L9/40 ,  G06F21/60 ,  G06F21/10

Abstract: Embodiments of this application provide a digital rights management DRM method, apparatus, and system, to implement a DRM interworking operation between DRM servers and clients of different vendors. The method includes: A DRM server encrypts a first media file by using a first encryption method to obtain a first encrypted media file; the DRM server generates content protection description information of the first encrypted media file, where the content protection description information includes a content identifier and encryption method information, the content identifier identifies the first encrypted media file, and the encryption method information identifies the first encryption method; the DRM server performs first formatting on the content protection description information to generate formatted content protection data; the DRM server encapsulates the formatted content protection data to generate a content protection data packet.