公开(公告)号：US20230327864A1

公开(公告)日：2023-10-12

申请号：US17718576

申请日：2022-04-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Dongxu Ma ,  Mikhail Kazaev ,  Zhijun Mo

IPC: H04L9/08 ,  H04L9/32

CPC classification number: H04L9/0866 ,  H04L9/085 ,  H04L9/3263

Abstract: There is described methods and devices for generating and utilizing a physical unclonable function (PUF) key. A hardware source is read to obtain a hardware output of a unique identifier of the hardware source. One of a plurality of hardware PUF methods is selected, each of the plurality of hardware PUF methods adapted to a respective hardware source type. The PUF key is generated from the hardware output using the selected hardware PUF method.