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A method and system for implementing secure deletion of data in a mobile terminal

A data security, mobile terminal technology, applied in security devices, digital data protection, electronic digital data processing, etc., can solve problems such as loss, data leakage economy, inability to meet the needs of mobile terminal security, etc., to improve security. , the effect of meeting the needs of security

Active Publication Date: 2020-06-09
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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  • A method and system for implementing secure deletion of data in a mobile terminal
  • A method and system for implementing secure deletion of data in a mobile terminal

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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 system for realizing safe deletion of data in a mobile terminal. The method includes: when receiving a deletion message, judging whether to perform safe deletion; The address of the data to be deleted is put into the unmapped device space of the EMMC; the address of the data to be deleted in the unmapped device space of the EMMC is cleared, so as to realize data security deletion. The present invention puts the address of the data to be deleted into the unmapped device space of the EMMC, clears the EMMC physically, and clears the address of the data to be deleted in the unmapped device space of the EMMC, preventing recovery of the deleted data in the mobile terminal , improving the security of the mobile terminal, thereby meeting the market demand for the security of the mobile terminal.

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 Patents(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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