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Data encryption device and method

A data encryption and data technology, applied in the usage of multiple keys/algorithms, etc., can solve the problems of large amount of encryption and decryption calculation, lost frames, and decreased communication rate, and achieves fast encryption and decryption speed, high efficiency, and strong elasticity. Effect

Inactive Publication Date: 2019-06-14
广东宏大欣电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Among them, the security factor of symmetric encryption and asymmetric encryption is relatively high, but the calculation amount of encryption and decryption is large, which makes the communication rate drop, especially when the encryption algorithm is run on a low-frequency single-chip microcomputer (such as 8051 single-chip microcomputer), it will be serious. Affect its running speed, and even cause frame loss
This is due to the fact that most of the current low-frequency single-chip microcomputers transmit data in plain text, which leads to the lack of fast encryption technology for small data volumes.

Method used

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Embodiment Construction

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implement...

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Abstract

According to the data encryption method and device provided by the invention, data with a small data volume is encrypted according to the preset secret key through data conversion, the efficiency is higher than that of a common symmetric encryption algorithm, the encryption and decryption speed is high, the elasticity is higher than that of the symmetric encryption algorithm, and the length of thesecret key can be fully adjusted according to the burden of a processor.

Description

technical field [0001] The present invention relates to the field of data encryption, in particular to a data encryption device and method. Background technique [0002] Nowadays, there are many encryption algorithms on the market, which can be roughly divided into symmetric encryption and asymmetric encryption. Common symmetric encryption algorithms include DES, AES, 3DES, etc. Common asymmetric encryption algorithms include RSA, ECC, etc. [0003] Among them, the security factor of symmetric encryption and asymmetric encryption is relatively high, but the calculation amount of encryption and decryption is large, which makes the communication rate drop, especially when the encryption algorithm is run on a low-frequency single-chip microcomputer (such as 8051 single-chip microcomputer), it will be serious. Affect its running speed, and even cause frame loss. This is due to the fact that most of the current low-frequency single-chip microcomputers transmit data in plain tex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/14
Inventor 徐连英钟漍标廖运岳
Owner 广东宏大欣电子科技有限公司