Title:
FILE ENCRYPTION METHOD AND DEVICE, COMPUTER READABLE STORAGE MEDIUM AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/000736
Kind Code:
A1
Abstract:
A file encryption method and device, computer readable storage medium and apparatus. The method comprises: acquiring a first hook function and a second hook function; in the process of performing an opening operation on a target file, calling the first hook function to determine whether the target file is in a list of files under encryption, then calling a file opening function to perform the opening operation on the target file, and if the target file is in the list of files under encryption, storing a file handle of the target file to a list of file handles under encryption (102); in the process of performing a writing operation on the target file, calling the second hook function to determine whether the file handle of the target file is in the list of file handles under encryption, if the file handle of the target file is in the list of file handles under encryption, performing an encryption operation on the target file, and calling a file writing function to perform the writing operation on the target file (103), thereby enabling automatic encryption of a file at a low level of a system.
Inventors:
ZHOU ZHIGANG (CN)
ZHANG WENMING (CN)
CHEN SHAOJIE (CN)
ZHANG WENMING (CN)
CHEN SHAOJIE (CN)
Application Number:
PCT/CN2017/107612
Publication Date:
January 03, 2019
Filing Date:
October 25, 2017
Export Citation:
Assignee:
WUHAN DOUYU NETWORK TECH CO LTD (CN)
International Classes:
G06F21/60; G06F21/62
Foreign References:
| CN103150499A | 2013-06-12 | |||
| CN104331644A | 2015-02-04 | |||
| CN105303073A | 2016-02-03 | |||
| CN101901313A | 2010-12-01 | |||
| US7945586B1 | 2011-05-17 |
Attorney, Agent or Firm:
BEIJING BRIGHT & RIGHT LAW FIRM (CN)
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