DATA TRANSMISSION METHOD AND APPARATUS, TERMINAL DEVICE AND MEDIUM

WIPO Patent Application WO/2020/164211

A1

The present application is applicable in the technical field of data processing, and provided thereby are a data transmission method and apparatus, a terminal device and a medium, the method comprising: performing fragment extraction according to the file type and file size of data to be encrypted to obtain multiple data fragments and position information; randomly sorting and combining the data fragments to obtain combined data as well as position information of each data fragment in the combined data; searching for an irreversible encryption algorithm and reversible encryption algorithm corresponding to the file size of the combined data; processing the combined data on the basis of the irreversible encryption algorithm to obtain a check code, and processing the position information on the basis of the reversible encryption algorithm to obtain encryption information; and performing data transmission on the check code and encryption information together with the data to be encrypted. Compared to a fixed single processing algorithm, the embodiment of the present application increases the cracking difficulty index thereof so that criminals cannot predict possibly used algorithms and possible results, thus it is more difficult to crack a corresponding process.

HUANG JINLUN (CN)
YANG YI (CN)

PCT/CN2019/091503

August 20, 2020

June 17, 2019

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PING AN TECHNOLOGY SHENZHEN CO LTD (CN)

G06F21/60; H04L29/06

CN104091129A	2014-10-08
CN102402670A	2012-04-04
CN103488952A	2014-01-01
CN109145639A	2019-01-04
US20060259781A1	2006-11-16

SHENZHEN ZHONGYI UNION INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)

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