SIA OpenIR  > 工业控制网络与系统研究室
METHOD FOR TRUSTED BOOTING OF PLC BASED ON MEASUREMENT MECHANISM
Shang WL(尚文利); Zhao JM(赵剑明); Wan M(万明); Li DB(李殿博); Li SC(李世超); Zeng P(曾鹏); Yu HB(于海斌)
Department工业控制网络与系统研究室
Rights HolderSHENYANG INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES
Country美国
Subtype发明
Status公开
AbstractThe present invention discloses a method for trusted booting of PLC based on a measurement mechanism, comprising the following steps: a step of initializing self firmware verification; a step of reading and computing firmware information about a PLC; a step of checking and storing one by one; and a step of verifying at the operation start stage. In the method of the present invention, a chip with a trusted function is used as a core of hardware computation. The PLC extends a Flash bus for loading by hardware of the method of the present invention. The hardware of the method of the present invention recognizes necessary boot information, verifies the integrity of the boot loader necessary for the PLC system through the integrity check method and ensures that the booted PLC system is in a trusted state. On the basis of ensuring validity and feasibility for the safety of a terminal device, the present invention can build a safe and trusted industrial control system operating environment.
description.patentprioritydatacn201611162151.2 20161215
PCT Attributes
IPC Classification NumberG05B19/0426 ; G05B19/05 ; G06F9/4416 ; G06F8/61
Application Date2017-03-14
2018-10-04
Application NumberUS201715572624
Open (Notice) NumberUS2018285127A1
Language英语
Contribution Rank1
Document Type专利
Identifierhttp://ir.sia.cn/handle/173321/23548
Collection工业控制网络与系统研究室
AffiliationSHENYANG INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES
Recommended Citation
GB/T 7714
Shang WL,Zhao JM,Wan M,et al. METHOD FOR TRUSTED BOOTING OF PLC BASED ON MEASUREMENT MECHANISM[P]. 2018-10-04.
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