公开(公告)号：US20190191310A1

公开(公告)日：2019-06-20

申请号：US16269994

申请日：2019-02-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyuksang CHOI ,  Yongjae SUNG ,  Jun Ho LEE ,  Wonill LEE ,  Hyosun HWANG

IPC: H04W12/10 ,  G06F8/654 ,  H04L9/32 ,  H04L29/06

CPC classification number: H04W12/10 ,  G06F8/654 ,  H04L9/3236 ,  H04L9/3247 ,  H04L63/12 ,  H04L2209/80 ,  H04W12/0023

Abstract: Provided are a method of updating firmware of a device, a device, and a mobile system including the device. The method includes: receiving, from a host, a first hash value and a signature, the first hash value corresponding to a firmware image at the host; performing a pre-verify operation for at least one of integrity verification and signature certification on the firmware image using the received first hash value and the received signature; receiving the firmware image from the host according to a result of the pre-verify operation; and obtaining a second hash value from the received firmware image to perform a post-verify operation for at least one of integrity verification and signature certification on the received firmware image.