公开(公告)号：US09697360B2

公开(公告)日：2017-07-04

申请号：US14587335

申请日：2014-12-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yo Hwa Kim ,  Michael Pak ,  Chan Kyu Han

IPC: G06F21/57 ,  G06F21/74 ,  G06F12/14

CPC classification number: G06F21/575 ,  G06F12/1425 ,  G06F21/74

Abstract: A system and method for changing authority for a secure booting operation and an electronic device thereof are provided. The system includes a memory including a plurality of key bit areas in each of which a root key can be received, and a processor core configured to input a new root key to one of the plurality of key bit areas of the memory in response to an external input.