公开(公告)号：US11329835B2

公开(公告)日：2022-05-10

申请号：US16855754

申请日：2020-04-22

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Byoung-Koo Kim ,  Seung-Yong Yoon ,  You-Sung Kang ,  Doo-Ho Choi ,  Ik-Kyun Kim ,  Tae-Sung Kim ,  Mi-Kyung Oh ,  Sang-Jae Lee

IPC: H04L9/32 ,  G06F21/44 ,  H04L9/08 ,  H04L29/06 ,  G06F7/58

Abstract: Disclosed herein are an apparatus and method for authenticating an IoT device. The method, performed by the IoT device authentication apparatus, includes transmitting, by the IoT device authentication apparatus, a random number to the IoT device and encrypting, by the IoT device authentication apparatus, the random number using a previously registered first white-box cryptography value through a white-box cryptography method; generating, by the IoT device, a first device response value from a previously registered first device challenge value using a Physical Unclonable Function (PUF) and encrypting, by the IoT device, the random number, received from the IoT device authentication apparatus, using the first device response value; and performing, by the IoT device authentication apparatus, authentication of the IoT device by checking whether the random number encrypted using the white-box cryptography method matches the random number encrypted using the PUF, which is received from the IoT device.