US Patent Issued to Huawei Technologies on July 7 for "Digital rights management DRM method, apparatus, and system" (Chinese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,839, issued on July 7, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Digital rights management DRM method, apparatus, and system" was invented by Zhijian Liang (Beijing) and Di Wu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 informatio...