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Method for encrypting multimedia private diary of mobile phone

An encryption method and multimedia technology, applied in encryption devices with shift register/memory, telephone communication, user identity/authority verification, etc., can solve the problems of mobile phone data information security, weak data protection strength, theft of mobile phone data, etc. , to achieve the effect of improving security and confidentiality reliability, enhancing security and reliability, and improving capabilities

Inactive Publication Date: 2013-01-16
CHENGDU CK SCI & TECH
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] However, in the existing encryption methods for multimedia private diaries, users can obtain thumbnail information of multimedia pictures and videos from DCIM / .thumbnails, which can be restored to multimedia diary information after corresponding processing. On the other hand, the AES password is stored in the database, and unscrupulous users can directly change the database password data to crack the password. The data protection strength is still weak, and the security of mobile phone data information is worrying.

Method used

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  • Method for encrypting multimedia private diary of mobile phone

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Embodiment Construction

[0020] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0021] Such as figure 1 Shown, mobile phone multimedia private diary encryption method, it comprises the following steps:

[0022] (1) Generate a designated folder: for each private diary, generate a designated folder for saving information in the SD card, so as to realize the backup and restoration of information;

[0023] (2) Delete thumbnail: For the picture and video information in the specified folder, delete the corresponding thumbnail in the DCIM / .thumbnails folder of the SD card, so that there is only one multimedia diary information in the mobile phone;

[0024] (3) AES encryption: For the diary that needs to be encrypted, use the AES algorithm to encrypt all the files in the diary folder. After encryption, the information in this...

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Abstract

The invention discloses a method for encrypting the multimedia private diary of the mobile phone, comprising the following steps: generating a specified folder; deleting thumbnails; carrying out encryption according to the AES (advanced encryption standard); storing a password in a database; and comparing and authenticating the password. Because the AES is adopted to encrypt, the security and the confidentiality reliability of the mobile phone information data are greatly improved. The specified folder can be produced on the SD card for to save each diary so that the backup and the restoring of the information can be realized, and the data recovery capacity is improved. Because the information of the thumbnails in the DCIM / . thumbnails folder in the SD card is deleted, the possibility of stealing the information of the diary by the user through the thumbnails is avoided. Because the ciphertext password in the database is encrypted by adopting the AES encryption algorithm and compared, the illegal user is prevented from directly changing the password data of the database and cracking the password, and the security and the reliability of data are enhanced further.

Description

technical field [0001] The invention relates to a mobile phone multimedia private diary encryption method. Background technique [0002] Smartphone (Smartphone) refers to "like a personal computer, it has an independent operating system, and users can install programs provided by third-party service providers such as software and games by themselves. Through such programs, the functions of the mobile phone are continuously expanded. A general term for this type of mobile phone that can realize wireless network access through a mobile communication network. With the continuous development of science and technology and the continuous improvement of people's living standards, the use of smart phones has become more and more popular, and has become an important part of people's daily life. Smart phones have also changed from simple communication tools in the past to personal comprehensive information processing center. Smartphones usually store a large number of personal secre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/725H04L9/32H04L9/06G06F12/14H04M1/72439
Inventor 黄隆禹
Owner CHENGDU CK SCI & TECH