File protection method and apparatus, and terminal

A technology for protecting files and protected files, applied in digital data protection, computer security devices, instruments, etc., can solve problems such as user losses and achieve the effect of avoiding losses

Inactive Publication Date: 2017-05-24
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When these files are deleted, it will cause serious losses to users

Method used

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  • File protection method and apparatus, and terminal
  • File protection method and apparatus, and terminal
  • File protection method and apparatus, and terminal

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only parts related to the present invention are shown in the drawings but not all content.

[0026] Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe the steps as sequential processing, many of the steps may be performed in parallel, concurrently, or simultaneously. Additionally, the order of steps may be rearranged. The process may be terminated when its operations are complete, but may also have additional steps not included in the figure. The processing ma...

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Abstract

The present invention discloses a file protection method and apparatus, and a terminal. The method comprises: receiving a file deletion command initiated by an application; if the file operated by the file deletion command is a file in a preset protected file directory, carrying out comparison between the application and applications in a pre-authorized application list; and if the application is not an application in the pre-authorized application list, canceling the operation for deleting the file. According to the method, the apparatus and the terminal disclosed by the present invention, loss to users caused by that important files are deleted by unauthorized applications is avoided, and files can be protected from deleting by malicious applications.

Description

technical field [0001] The embodiments of the present invention relate to file security technologies, and in particular to a method, device and terminal for protecting files. Background technique [0002] Android is one of the most widely used operating systems at present, and is mainly used in mobile terminals such as smart phones and tablet computers. The Android application can create files on the storage of the mobile terminal, and can also delete files on the storage of the mobile terminal. The files on the storage of the mobile terminal deleted by the application include files created by the system or other applications. [0003] Therefore, some malicious applications may delete key files on the mobile terminal, such as important files such as photos, music, and videos. When the application deletes these files, it may delete them actively, or it may mislead the user to delete them. When these files are deleted, it will cause serious losses to users. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F21/62
CPCG06F16/162G06F21/6209
Inventor 张寅祥
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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