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1. (WO2017148316) FILE ENCRYPTION METHOD, FILE DECRYPTION METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM

Pub. No.:    WO/2017/148316    International Application No.:    PCT/CN2017/074337
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Thu Feb 23 00:59:59 CET 2017
IPC: G06F 21/78
Applicants: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
腾讯科技(深圳)有限公司
Inventors: KE, Weibin
柯伟彬
LAI, Zhiyong
赖志勇
ZHEN, Decong
甄德聪
Title: FILE ENCRYPTION METHOD, FILE DECRYPTION METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM
Abstract:
A file encryption method comprises: obtaining a file to be encrypted; encrypting head data of the original file to obtain encrypted head data and storing the encrypted head data, a file identifier corresponding to the original file recording a first storage path of the encrypted head data, and the head data comprising metadata of the original file; dividing file data of the original file excluding the head data, into multiple segments; storing the divided segments in a manner of confusing the sequence of the segments; and corresponding to the file identifier, recording a second storage path of the segments and the sequence of the segments in the original file.