Multi-level secure storage method of electronic documents based on Hash function

Runhua Miao

International Journal of Information Technology and Management, 2025, vol. 24, issue 1/2, 106-116

Abstract: In order to improve the storage security and efficiency of electronic documents, a new multi-level secure storage method of electronic documents based on Hash function is proposed in this paper. Firstly, the vector space model is constructed, and the electronic document data is divided into fixed size data blocks by using the idea of linear segmentation. Then, after normalisation, Hash function is used to encrypt each data block. Finally, according to the encryption results, the compressed sensing method is used for multi-level secure storage of electronic documents. The experimental results show that, compared with the traditional storage methods, this method has strong encryption performance, and the maximum intrusion rate is no more than 0.5%, which can ensure the security of electronic documents. This method can improve the storage efficiency of electronic documents.

Keywords: Hash function; electronic document; multi-level security storage; data segmentation. (search for similar items in EconPapers)
Date: 2025
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