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Steganography and decryption method based on LIBS technology

A deciphered, spectroscopic technology, applied in the direction of applications, instruments, inks, etc., to achieve good stability, increased difficulty, and high security effects

Inactive Publication Date: 2021-09-28
SICHUAN UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the application of LIBS technology in the field of steganography and information decryption has not been reported yet.

Method used

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  • Steganography and decryption method based on LIBS technology
  • Steganography and decryption method based on LIBS technology
  • Steganography and decryption method based on LIBS technology

Examples

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Embodiment 1

[0030] Embodiment 1, information steganography and decryption of the present invention

[0031] The schematic diagram of the steps of information steganography and decryption is as follows figure 1 shown.

[0032] 1. Add 0.1g AgNO 3 , 0.1gCuSO 4 The powder was dissolved in 5mL conventional ink to prepare low-concentration ink, by adding 0.3g AgNO 3 , 0.3gCuSO 4 The powder was dissolved in 5mL of regular ink to prepare high-concentration ink; finally, 4 kinds of secret inks were obtained:

[0033] Ink 1: silver ion ink with a concentration of 2%; ink 2: copper ion ink with a concentration of 2%; ink 3: silver ion ink with a concentration of 6%; ink 4: copper ion ink with a concentration of 6%.

[0034] 2. Use one of the above four inks as secret ink to write secret information, and the other three inks as interference ink to write interference information to obtain encrypted text.

[0035] 3. Use the LIBS spectrometer to scan the encrypted text to obtain the spectral info...

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Abstract

The invention provides an application of a laser-induced breakdown spectroscopy (LIBS) technology in information decryption, and provides an information steganography and decryption method based on an LIBS technology, which uses solutions containing different concentrations and different elements as ink to write an encrypted text, and performs element analysis and imaging on the encrypted text through the LIBS technology so as to realize decryption. The steganography and decryption method is low in cost, high in stability and high in safety, and has a good application prospect in the technical field of information encryption.

Description

technical field [0001] The invention belongs to the technical field of information encryption, and in particular relates to a steganography and decryption method based on LIBS technology. Background technique [0002] In the context of information globalization, information security technology is the most important. With the continuous popularization of big data and cloud computing, a large amount of information is collected every day, including business, military, education, personal privacy, etc. In recent years, frequent incidents of privacy data leakage and abuse have further exacerbated people's concerns about information security. Once sensitive information is leaked, personal property and national security will be seriously threatened. Therefore, information protection measures must be continuously strengthened to prevent information leakage. In the early days of information security, cryptography-based encryption techniques were often used to convert information i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/71C09D11/50
CPCG01N21/718C09D11/50
Inventor 林庆宇杨恩来殷鹏鲲陈友元段忆翔
Owner SICHUAN UNIV
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