A chip security assessment method and related device based on electromagnetic side channel analysis
A technology for side channel analysis and security assessment, which is applied in the field of chip security assessment based on electromagnetic side channel analysis, and can solve problems such as unsuitable attack scenarios and electromagnetic leakage.
Active Publication Date: 2022-08-02
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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[0003] This application provides a chip security assessment method and related devices based on electromagnetic side channel analysis, which are used to solve the technical problem that the existing chip security assessment method adopts short-distance detection of electromagnetic leakage of chip operations, which does not conform to the actual attack scenario
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[0058]In order to make those skilled in the art better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.
[0059] For ease of understanding, see figure 1 , an embodiment of a chip security assessment method based on electromagnetic side channel analysis provided by this application includes:
[0060] Step 101: Invoke the RSA algorithm to control the target chip to perform modular exponentiation.
[0061] Step 102: Acquire the collected ...
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The present application discloses a chip security assessment method and related device based on electromagnetic side channel analysis. The RSA algorithm is invoked to make the target antenna perform modular exponentiation, and then the target chip is obtained through the antenna within a preset distance from the target chip to perform modular exponentiation. It is not necessary to use an electromagnetic probe close to the surface of the target chip to detect electromagnetic leakage at close range, and then perform spectrum analysis on the collected acquisition signal to determine the radiation frequency, and perform waveform analysis on the preset frequency range of the radiation frequency. Decrypt the modular square modular multiplication sequence obtained by the analysis, and obtain the security assessment result of the target chip according to the corresponding relationship between the decryption result and the security assessment result. Detecting electromagnetic leakage of chip computing at close range does not meet the technical problem of actual attack scenarios.
Description
technical field [0001] The present application relates to the technical field of chip security, and in particular, to a chip security assessment method and related device based on electromagnetic side channel analysis. Background technique [0002] Side-channel attack is an effective method to evaluate chip security. The existing electromagnetic side-channel analysis method is to use electromagnetic probes close to the chip surface to detect electromagnetic leakage of chip operations at close range. However, in many actual attack scenarios, the chip cannot be physically touched. For example, electromagnetic attacks usually use a dedicated magnetic field antenna close to the target chip to achieve the attack purpose. Therefore, detecting the side channel leakage of the chip at a distance is more in line with the actual attack scenario. SUMMARY OF THE INVENTION [0003] The present application provides a chip security assessment method and related device based on electromagn...
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IPC IPC(8): G01R29/08G06F7/72
CPCG01R29/08G01R29/0892G06F7/723G06F7/722
Inventor 金鑫肖勇杨劲锋黄博阳
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD