Method and system for safely deleting data in mobile terminal

A data security and mobile terminal technology, applied in security devices, digital data protection, electrical digital data processing, etc., can solve problems such as loss, data leakage economy, and inability to meet the security needs of mobile terminals to meet security requirements needs, the effect of improving safety

Active Publication Date: 2017-04-26
HUIZHOU TCL MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the data is particularly sensitive, data leakage or even major economic losses, which cannot meet the market's demand for mobile terminal security

Method used

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  • Method and system for safely deleting data in mobile terminal
  • Method and system for safely deleting data in mobile terminal

Examples

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Embodiment Construction

[0040] The present invention provides a method and system for implementing secure deletion of data in a mobile terminal. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0041] In the present invention, suffixes such as 'module', 'part' or 'unit' used to represent elements are used only to facilitate description of the present invention and have no specific meaning by themselves. Therefore, "module", "part" or "unit" may be used in combination.

[0042] Terminal devices may be implemented in various forms. For example, terminals described in the present invention may include devices such as mobile phones, smart phones, notebook computers, digital b...

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Abstract

The invention discloses a method and device for safely deleting data in a mobile terminal. The method includes: determining if safe deletion needs to be performed or not while a deletion message is received; putting an address of data to be deleted of an Embedded Multi Media Card EMMC indicated by the deletion message in an unmapped device space of the EMMC if so; clearing the address of the data to be deleted in the unmapped device space of the EMMC away so as to achieve safe deletion of the data. The address of the data to be deleted is put in the unmapped device space of the EMMC, the EMMC is cleared physically, and the address of the data to be deleted in the unmapped device space of the EMMC is cleared away, recovery of the deleted data in the mobile terminal can be prevented, the safety of the mobile terminal can be improved, and the demand of a market for the safety of the mobile terminal can be met.

Description

technical field [0001] The present invention relates to the technical field of intelligent terminals, in particular to a method and system for implementing secure deletion of data in a mobile terminal. Background technique [0002] As we all know, with the widespread use of mobile terminals, users of mobile terminals store a large amount of important or private data (hereinafter collectively referred to as sensitive data) in the mobile terminal, such as important documents, private photos, and private videos. Currently, mobile terminals generally use an embedded memory (Embedded Multi Media Card, EMMC for short) as a storage chip to store user data such as sensitive data. [0003] Currently, mobile terminals generally delete data directly or in a formatting manner (generally, the processed data is referred to as deleted data). However, in fact, only the corresponding summary information in the file allocation tables of the two file systems is deleted, so that the data is no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/60G06F21/62
CPCG06F21/604G06F21/6245G06F2221/2143H04W12/30G06F16/162H04W12/02H04W12/082
Inventor 彭昔武邱传波
Owner HUIZHOU TCL MOBILE COMM CO LTD
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