An MD5 check data generation method, device, equipment and storage medium

By extracting features from the string to be processed to generate a dynamic salt value, the problem of MD5 checksum data being easily cracked is solved, improving security and saving storage costs, and it is suitable for a variety of application scenarios.

CN122433073APending Publication Date: 2026-07-21BEIJING QIYI CENTURY SCI & TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-22
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

MD5 checksums are vulnerable to reverse engineering using brute-force enumeration, dictionary attacks, and rainbow table attacks. Fixed salt values ​​are also easily guessed, resulting in insufficient data security.

Method used

By extracting features from the string to be processed, a dynamic salt value associated with it is generated. The MD5 algorithm is then used to process the feature string and the salt value to generate verification data.

Benefits of technology

It improves the security of MD5 verification data, reduces the possibility of being cracked, saves the cost of storing fixed salt values, and is suitable for application scenarios without configured storage devices.

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Abstract

The application relates to the computer technical field and discloses an MD5 check data generation method, device and equipment and a storage medium. The method comprises the following steps: obtaining a first string to be processed; performing feature extraction on the first string to obtain a feature string representing feature information of the first string; generating a first salt value associated with the first string based on the feature string; and processing the first salt value and the first string through an MD5 algorithm to generate check data. The method can improve the difficulty of cracking the MD5 check data and enhance the data security of the MD5 salt check scheme.
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