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Quantitative evaluation method for security degree of side channel of password security chip

A technology of cryptographic security and security degree, which is applied in the field of quantitative evaluation of cryptographic security chip side channel security degree, can solve problems such as data deviation and large error, and achieve the effect of reducing accuracy, improving accuracy, and improving scientific accuracy

Pending Publication Date: 2021-11-30
GUANGDONG UNIVERSITY OF BUSINESS STUDIES +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for quantitatively evaluating the security degree of the side channel of a cryptographic security chip, so as to solve the problem that the evaluation of the security degree is very prone to data deviation and the error is getting larger and larger

Method used

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  • Quantitative evaluation method for security degree of side channel of password security chip

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] See figure 1 The present invention provides a technical solution: a cryptographic security chip side-channel quantization level of safety evaluation method, comprising the steps of: Sl, safety analysis: obtain data information of each event, in order to obtain enough sample data, and the data information involved in information security incidents to identify capture, to extract valuable and characteristic data, selected data information security incidents and the specific characteristics of data classification, in order to gain significant characteristic data covering all events; S2, emergency treatment: the establishment of good data classification according to the characteristics of emergency response organizations, in order to achieve the division of labor approach to group treatment, and emergency response organizations implement packet management information according to the characteristics of data security incidents so as to enhance efficiency of data processing; S3, ...

Embodiment 2

[0022] See figure 1 The present invention provides a technical solution: a cryptographic security chip side-channel quantization level of safety evaluation method, comprising the steps of: Sl, safety analysis: obtain data information of each event, in order to obtain enough sample data, and the data information involved in information security incidents to identify capture, to extract valuable and characteristic data, selected data information security incidents and the specific characteristics of data classification, in order to gain significant characteristic data covering all events, safety analysis each event data in particular: security event procedure, and security event procedure code runs appear in project implementation, which can lower security incidents and security event procedure code to run in an embodiment, the classifier safety analysis specifically: authentication, access control, password protection and information integrity check, so there are safety data for an...

Embodiment 3

[0024] See figure 1The present invention provides a technical solution: a password safety chip side channel security extent quantization evaluation method, including the following steps: S1, security analysis: acquiring data information of each event to get enough sample data, and data information The information relating to the security event is identified, thereby extracting data for valuable and characteristics, picking the data specific and classified of the data information of the security event, thereby obtaining obvious feature data, security analysis of each event. Each event data information is specifically: the security incident in the project implementation and security events in the password operation process, so that the security event and the password operation process implementation classification, the secure analysis classification is: identification, Access control, password protection, and information integrity check, thereby conducting a targeted analysis at all...

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Abstract

The invention discloses a method for quantitatively evaluating the security degree of a side channel of a password security chip. The method comprises the following steps of S1, security analysis, S2, emergency processing, S3, plan processing, S4, information announcement, S5, loss evaluation and S6, plan activation. Specific data involved in security analysis are classified, and grouping management is implemented by means of an organization in emergency processing, so that when a plan is activated, timely correction can be performed through screened time data in plan processing, each group of data is compared, and the accuracy of the plan is improved. The actual loss condition caused by data difference in each stage is extracted, so that the accuracy during quantitative evaluation can be powerfully improved, and loss evaluation under step-by-step classification comparison can be performed through comparison evaluation under level classification in loss evaluation; and the problem that the accuracy is influenced by larger and larger data deviation caused by errors is effectively reduced.

Description

Technical field [0001] The present invention relates to a method of cryptographic security BACKGROUND reviews, and more particularly to a cryptographic security chip side-channel quantization level of safety evaluation method. Background technique [0002] Since the data transfer, storage, there is access to important and sensitive information leaks risk; data transmission, storage, and the log data is present incomplete data risk; and more security risks can mainly be for risk control and avoidance by cryptographic applications, but now safety evaluation method of quantifying the extent of the security chip password art has the following defects in practice Shihai: [0003] The traditional evaluation methods could not be corrected because the comparison of data security event information, so that the degree of safety evaluation data appears highly quantized error led to an increasing bias and quantify the impact of the actual situation accuracy. Inventive content [0004] Objec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/72G06F21/60G06K9/62
CPCG06F21/72G06F21/602G06F18/241
Inventor 肖炯恩
Owner GUANGDONG UNIVERSITY OF BUSINESS STUDIES
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