Storage encryption system and method

By implementing multi-level encryption processing and access control policies on USB storage devices, the problem of insufficient data security of USB storage devices in the prior art is solved, and efficient protection and reasonable access control of data are achieved.

CN119670132AInactive Publication Date: 2025-03-21SHENZHEN I4SEASON HONGSHENG TECH CO LTD
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Patent Information

Application Number
CN202510191829.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2025-03-21
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing USB storage devices lack effective confidentiality measures during data backup and transmission, resulting in unauthorized users or malicious attackers being able to easily access and copy private and important information stored on the device, resulting in information leakage and unnecessary losses.

Method used

It provides a storage encryption system, through the connection and identification module, data preprocessing and preliminary encryption module, platform establishment module, pseudonym establishment module, key generation and management module, asymmetric encryption module and data storage and access control module, multi-level encryption processing of data on USB storage devices is realized, and through the combination of the key management platform and binary tree structure, access policies are set to control the access rights of data.

Benefits of technology

It effectively prevents unauthorized access and data leakage, enhances the security and availability of data, ensures that only legitimate users can access specific versions of data blocks, and protects users' privacy rights.

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Abstract

The invention provides a storage encryption system and method, and the system comprises a connection and recognition module, a data preprocessing and preliminary encryption module, a platform building module, a pseudonym building module, a secret key generation and management module, an asymmetric encryption module, and a data storage and access control module. According to the storage encryption system and method provided by the invention, the access strategy is further encrypted by combining the pseudonyms with the leaf nodes of the binary tree, the attribute information of the user is stored by using the binary tree structure, and each leaf node is associated with one pseudonym, so that the data security is enhanced, and the user experience is improved. According to the technical scheme, unauthorized access and data leakage are effectively prevented, access rules and access control are set, a user is allowed to access a data block of a specific version instead of data blocks of all versions, data safety is improved, and unnecessary loss caused by leakage of important information is avoided.
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