Devices, systems, and methods for securely initializing an embedded system
A technology for controlling systems, operating systems, applied to equipment used to safely initialize embedded systems, to address issues such as engine operating effects
Pending Publication Date: 2021-03-26
GENERAL ELECTRIC CO
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- Application Information
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Problems solved by technology
[0004] However, the aircraft's engines may still be operating when the aircraft's systems are reset
Since the software program used to control and monitor the engine is not executed until after the initialization protocol is completed, if the initialization protocol is not completed within a certain period of time, it may negatively affect the operation of the engine
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[0017] Referring to the drawings, embodiments of the present disclosure generally relate to securely initializing (eg, booting) an engine control system for an aircraft system (and / or one or more other embedded systems) in stages to prevent tampering and / or minimize Apparatus, systems and methods for minimizing effects on engine operation. As described in further detail below, the initialization protocol may use various cryptographic authentication techniques to authenticate the software program in order to securely initialize the engine control system of the aircraft system, thereby protecting the software program from malicious tampering, for example.
[0018] Although this disclosure primarily relates to engine control systems, it should be understood that the devices, systems, and methods described herein may be used with other embedded systems in an aircraft. Additionally, in some embodiments, the engine control systems described herein may include or be part of an embedd...
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The invention relates to devices, systems, and methods for securely initializing an embedded system. A method is disclosed and includes authenticating a first stage boot loader and authenticating a second stage boot loader in response to authentication of the first stage boot loader. The method also includes executing the second stage boot loader in response to authentication of the second stage boot loader. Executing the second stage boot loader includes loading an operating system, a first set of machine-readable instructions, and first configuration information associated with the first setof machine-readable instructions onto a non-transitory computer-readable medium, wherein the first set of machine-readable instructions and the first configuration information are associated with oneor more priority partitions. Executing the second stage boot loader includes authenticating the operating system and the first set of machine-readable instructions. Executing the second stage boot loader includes executing the first set of machine-readable instructions in response to authentication of the operating system and the first set of machine-readable instructions.
Description
technical field [0001] The present specification relates generally to apparatus, systems, and methods for securely initializing an engine control system, and more particularly, to securely initialize an engine control system of an aircraft system in stages to prevent tampering and minimize impact on engine operation devices, systems and methods. Background technique [0002] Aircraft systems may include a number of sensors that sense various conditions related to aircraft components that software programs may use to detect, diagnose, or predict problems and / or failures in real time, even while the aircraft is operating (eg, in flight). When components of the aircraft system are reset or powered up, the software program may be loaded onto the memory device, and once the software program is loaded onto the memory device, the processing device of the aircraft system may subsequently execute the software program. [0003] An initialization protocol may be performed prior to loa...
Claims
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IPC IPC(8): F02C9/00F02C7/00F01D21/00
CPCF02C9/00F02C7/00F01D21/003G06F21/575G06F8/63G06F9/4406G06F21/54G06F21/602G06F21/107
Inventor 杰弗里·S·吉尔东马修·B·彭宁格道格拉斯·R·尼科尔斯马克·E·亨斯伯根
Owner GENERAL ELECTRIC CO