MATRIX OPERATION-BASED DATA ENCRYPTION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM

摘要

A matrix operation-based data encryption method, applied to a server end, comprising: receiving a data request sent from a front end and converting corresponding source data into a first matrix according to the request content (S11); randomly obtaining, from a preset first mapping dictionary, a key and a second matrix corresponding to the key (S12); and randomly generating a third matrix, generating an encrypted signal according to the first matrix, the second matrix, and the third matrix, and feeding back the encrypted signal, the third matrix, and the key to the front end to allow the front end to obtain an inverse matrix of the second matrix from a preset second mapping dictionary according to the key, calculate the first matrix according to the encrypted signal, the third matrix, and the inverse matrix, convert the first matrix into binary stream data, and render the binary stream data and display same on a display page of the front end (S13). The present method also relates to blockchain technology, and the source data is stored in a blockchain. In the present method, encryption calculation is carried out on the source data of the server end on the basis of matrix operations to prevent losses and risks caused by data leakage, thus effectively protecting data.