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Method and system for detecting and defending resonance hidden injection attack of inertial sensor

An inertial sensor and injection attack technology, applied in directions such as navigation through speed/acceleration measurement, can solve problems such as large instantaneous errors, and achieve the effect of satisfying convenience, protecting integrity and security, and ensuring operation safety

Active Publication Date: 2021-06-15
XI AN JIAOTONG UNIV
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Problems solved by technology

However, the previous methods often focus on reducing the cumulative error, but are powerless to solve the large instantaneous error

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  • Method and system for detecting and defending resonance hidden injection attack of inertial sensor
  • Method and system for detecting and defending resonance hidden injection attack of inertial sensor
  • Method and system for detecting and defending resonance hidden injection attack of inertial sensor

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Embodiment Construction

[0061] In order to make the purpose, technical effects and technical solutions of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments It is a part of the embodiment of the present invention. Based on the disclosed embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall all fall within the protection scope of the present invention.

[0062] see figure 1 , a method for detection and defense of an inertial sensor resonance covert injection attack according to an embodiment of the present invention, specifically comprising the following steps:

[0063] Step 1, non-multiple frequency alternate sampling; specifically, the motion sensor changes the sampling rate...

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Abstract

The invention discloses a method and system for detecting and defending a resonance hidden injection attack of an inertial sensor, and belongs to the field of mobile sensing and control system security. According to the method, on the basis of the characteristic that spectrum aliasing exists in injection attacks, motion is sampled at multiple sampling rates, and whether an attack exists or not is judged; and if the attack exists, with the overlapping of the resonance frequency of the inertial sensor and the Nyquist region under different sampling rates comprehensively considered, an attack frequency is calculated, and the separation of the motion information and attack signals is realized. According to the method, extra hardware does not need to be added, the method is suitable for outbound packaged gyroscopes and accelerometers, the injection attack of the inertial sensor using sound wave resonance is conveniently, practically and efficiently detected, the influence of the attack is eliminated on the premise of ensuring the integrity of motion data, and the safety and reliability of a motion measurement and driving system can be improved.

Description

technical field [0001] The invention belongs to the technical field of mobile perception and control system security, and in particular relates to a detection and defense method and system for an inertial sensor resonance concealed injection attack. Background technique [0002] Sensing and driving systems are endowed with increased intelligence to sense the environment and respond to it. Inertial sensors consisting of gyroscopes and accelerometers measure angular velocity and linear acceleration, directly describing the motion and orientation of the device. As a result, systems equipped with inertial sensors are able to determine motion states and make drive decisions in a timely and automatic manner. Currently, most actuation systems trust sensor data to make navigation and other control decisions; at the same time, they trust that control commands to actuators are faithfully executed. Trusting sensor and actuator data without any form of verification has proven to be an ...

Claims

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Application Information

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IPC IPC(8): G01C21/18
CPCG01C21/18Y02D30/70
Inventor 高铭赵鲲惠维赵季中丁菡韩劲松
Owner XI AN JIAOTONG UNIV
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