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Message-hidden mobile phone information safety communication method based on JPEG (joint photographic experts group) image

A technology of secure communication and mobile phone information, applied in the field of information security

Inactive Publication Date: 2011-08-24
GUANGXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] With the continuous development of communication technology, the use of mobile phones has long been popularized, especially in recent years, the functions of mobile phones have increased day by day, but so far there has been no information security communication software that applies information hiding technology to mobile phone platforms

Method used

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  • Message-hidden mobile phone information safety communication method based on JPEG (joint photographic experts group) image
  • Message-hidden mobile phone information safety communication method based on JPEG (joint photographic experts group) image
  • Message-hidden mobile phone information safety communication method based on JPEG (joint photographic experts group) image

Examples

Experimental program
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Embodiment

[0029] A mobile phone information security communication method based on JPEG image information hiding, the specific steps are as follows;

[0030] The selected JPEG image is the standard test image peppers.jpg, such as figure 1 shown. The privacy information is text: President’s embargo ruling should have immediate notice. Grave situation affecting international law.

[0031] 1. Enter private information in the mobile phone, such as figure 2 shown;

[0032] 2. Select the carrier image peppers.jpg, such as image 3 shown;

[0033] 3. Select the "Generate Encrypted Image" menu, such as Figure 4 shown;

[0034] 4. Automatically call the information hiding algorithm in the present invention to generate a dense image, such as Figure 5 Shown; the specific algorithm is:

[0035]Find the absolute value of the DCT coefficients of the chroma, color difference information and brightness information of peppers.jpg, and take the first 13 DCT coefficients (frequency position 0-1...

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Abstract

The invention relates to a message-hidden mobile phone information safety communication method based on a JPEG (joint photographic experts group) image. At a sending terminal, privacy message is input, an image with the appropriate size is selected according to the privacy message amount, the privacy message is hidden in a JPEG carrier image to form a privacy-contained image, and the privacy-contained image is sent to a receiving terminal through a mobile phone multimedia message; and at the receiving terminal, the privacy message can be extracted from the privacy-contained image through inputting a correct password. The method utilizes the mobile phone short message service to receive and send message, the confidentiality is strong, and the method is safe.

Description

technical field [0001] The invention relates to the fields of information security and computer technology, in particular to a mobile phone information security communication method based on JPEG image information hiding. Background technique [0002] The development of computer network technology has made people increasingly dependent on the network. At the same time, with the expansion of the network's openness, sharing and interconnection, network security issues have been paid more and more attention. Therefore, the research on network security technology has become an important research field of information science, and people are paying more and more attention to it. Among them, information encryption technology is an important measure to solve network security problems, and it is also one of the most commonly used confidential security methods. Through information encryption technology, the security of information transmission can be improved to a certain extent and t...

Claims

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Application Information

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IPC IPC(8): H04W12/02
Inventor 张显全孙容海唐振军秦芳远
Owner GUANGXI NORMAL UNIV
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