公开(公告)号：US20240045970A1

公开(公告)日：2024-02-08

申请号：US18257961

申请日：2021-08-26

申请人： HITACHI ASTEMO, LTD.

发明人： Nobuyoshi MORITA ,  Yasuhiro FUJII ,  Masashi YANO ,  Mikio KATAOKA

IPC分类号： G06F21/57 ,  G06F21/55

CPC分类号： G06F21/575 ,  G06F21/554

摘要： Provided is an analysis device that reduces false detection of an attack event to appropriately output an anomaly notification.
The analysis device configured to be communicable with a plurality of monitoring-target devices collects monitoring results of each of the monitoring-target devices, determines whether an anomaly has occurred in each of the monitoring-target devices, based on the monitoring results, and



determines whether to output an anomaly notification indicating the anomaly, based on a result of the determination and code verification results of each of the monitoring-target devices.

公开(公告)号：US20230214494A1

公开(公告)日：2023-07-06

申请号：US17928050

申请日：2021-02-05

申请人： Hitachi Astemo, Ltd.

发明人： Hiroki YAMAZAKI ,  Momoka KASUYA ,  Nobuyoshi MORITA ,  Yasuhiro FUJII ,  Mikio KATAOKA ,  Masaki FUJIWARA

IPC分类号： G06F21/57 ,  G06F9/4401

CPC分类号： G06F21/575 ,  G06F9/4401 ,  G06F2221/034

摘要： An electronic control device includes a tamper storage unit that stores a secure boot key and a control key, and has tamper resistance, a processor that is able to execute a program, a verification unit that verifies a program by using the secure boot key, performs secure boot causing the processor to execute the program based on a result of the verification, and has tamper resistance, a calculation unit that performs calculation related to encryption using the control key, and has tamper resistance, and a general storage unit that stores a first program that implements a delegated verification unit to which authority of the secure boot is delegated from the verification unit and a second program that implements a control unit that uses the calculation unit, and does not have tamper resistance. The verification unit delegates the authority of the secure boot to the delegated verification unit to end the execution of the secure boot when the verification for the first program and the second program is successful and the processor is caused to execute the first program and the second program, the calculation unit starts an operation when the verification unit ends the execution of the secure boot, and the delegated verification unit is able to simultaneously execute processing with the calculation unit.

公开(公告)号：US20230147082A1

公开(公告)日：2023-05-11

申请号：US17924571

申请日：2021-02-25

申请人： Hitachi Astemo, Ltd.

发明人： Nobuyoshi MORITA ,  Yasuhiro FUJII ,  Mikio KATAOKA ,  Masashi YANO

IPC分类号： G06F21/44 ,  G06F21/57 ,  H04L9/14

CPC分类号： G06F21/44 ,  G06F21/57 ,  H04L9/14 ,  G06F2221/033

摘要： Provided are a control device and a program verification method capable of suppressing an operation load in a case where different keys are used for respective devices. The control device 1 stores a program to be verified, a plurality of verification expected values related to verification of the program to be verified, and registered verification expected value information 183 that identifies one of the verification expected values. The control device verifies whether the program to be verified is correct using the registered verification expected value information 183.