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Data encryption and decryption device and encryption and decryption method thereof

A technology of data encryption and encryption device, applied in the field of information security, can solve the problems of long time and low data encryption efficiency, and achieve the effect of ensuring security

Inactive Publication Date: 2018-04-17
BEIJING JUNXIU CONSULTATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current encryption process, for the data object to be encrypted, when encrypting the docking object, all the data in the data object is encrypted, the encryption process takes a long time, and the efficiency of data encryption is low

Method used

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  • Data encryption and decryption device and encryption and decryption method thereof

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] see figure 1 , the present invention provides a technical solution: a data encryption and decryption device, comprising a device body 1, an encryption device 3, and a decryption device 4, the device body 1 is provided with an encryption device 3, a decryption device 4, an encryption device 3 and a decryption device 4 are connected through RS232 interface and RS485 interface, and the left end of encryption device 3 is provided with data rec...

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Abstract

The invention discloses a data encryption and decryption device and an encryption and decryption method thereof. The data encryption and decryption device comprises a device body, an encryption deviceand a decryption device. The encryption device comprises a data receiving module, a data analysis module, a data judgment module, a microprocessor, a key selection unit, an encryption module, a storage module and a data sending module. The decryption device comprises a database, a determination module, a search module, a call unit, a decryption request module, a decryption algorithm request unit,a decryption module and an output unit. The encryption device and the decryption device are connected through adoption of an RS232 interface or an RS485 interface. In order to ensure the security ofdata, a level of the data is analyzed according to the data analysis module, an encryption method of the data is selected through adoption of the key selection unit, the data is enabled to obtain an encryption method only applicable to related data, the data decryption device searches an encryption mode of the data through adoption of the search module, a corresponding decryption algorithm is called through adoption of the call unit, and the decryption speed is accelerated.

Description

technical field [0001] The invention relates to the technical field of information security, in particular to a data encryption and decryption device and an encryption and decryption method thereof. Background technique [0002] Nowadays, the world has entered the information age, and the computer network has developed rapidly, which is related to all aspects of social life. However, while enjoying the convenience brought by the Internet, we also face many problems. One of the most prominent problems is the problem of network information security. In order to solve the problem of network information security, people often use data encryption to protect network information. Data encryption refers to the conversion of plaintext into ciphertext through encryption algorithms and encryption keys to realize information concealment, thereby protecting information security. [0003] Conventionally, in magnetic disk devices, optical disk devices, and other memory devices, in order ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/0428H04L63/205
Inventor 张婕
Owner BEIJING JUNXIU CONSULTATION CO LTD
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