Encryption type transmission method for transmitting digital information based on 5G network

A digital information and transmission method technology, applied in the field of digital information transmission, can solve problems such as poor error correction ability and anti-interference ability, image jumping at the receiving end, source and channel coding, etc., to improve security and improve communication effectiveness , the effect of fast encryption speed

Pending Publication Date: 2021-12-28
上海威固信息技术股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide an encrypted transmission method for digital information transmission based on 5G network. There will be bit errors in the data stream, which will cause image jumping and discontinuity at the receiving end, and technical problems such as poor error correction ability and anti-interference ability

Method used

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Embodiment Construction

[0038] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the technical solutions in the specific embodiments of the present invention are clearly and completely described below to further illustrate the present invention. Obviously, the described specific implementation The form is only a part of embodiment of this invention, and it is not all form.

[0039] This specific embodiment is an encrypted transmission method based on the transmission of digital information on a 5G network, and its steps are as follows:

[0040] S1: Perform source coding on the source to reduce or eliminate data redundancy;

[0041] S2: Input the plaintext digital information, and set the plaintext flow as: = ;

[0042] S3: The key stream is generated by the key stream generator f: =f(K, ), the RC4 algorithm pre-installed in the key stream generator uses an S table to generate the stream key, and the length of th...

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Abstract

The invention discloses an encryption type transmission method for transmitting digital information based on a 5G network, and aims to solve the problems that in the prior art, an information source and a channel are not coded, so that error codes are generated in the transmitted data stream, the phenomena of image jumping, discontinuity and the like are generated at a receiving end, and the error correction capability and the anti-interference capability are poor. The method comprises the following steps: S1, carrying out information source coding on an information source so as to reduce or eliminate data redundancy; s11, an information source symbol set A = a1, a2, aN and has N symbols in total, and an input signal source symbol sequence U = (u1, u2, uL); s12, in the ith step, the encoder starts to search the shortest short language which never appears before from the first symbol behind the-1 phrase backwards. According to the method, the key stream generator is adopted to generate the stream password, and the plaintext and the key are subjected to XOR processing to obtain the ciphertext, so that the security of digital information is improved, the capability of resisting various interferences when data are transmitted in the channel is enhanced, and the communication effectiveness is improved.

Description

technical field [0001] The invention belongs to the technical field of digital information transmission, and in particular relates to an encrypted transmission method for digital information transmission based on a 5G network. Background technique [0002] 5G network communication technology is one of the most advanced network communication technologies in the world. The improvement in transmission speed is very advantageous in practical applications. The application of 5G network communication technology can perform very stable transmission in different scenarios. , can adapt to a variety of complex scenarios, so the transmission time will not be too long or the transmission is unstable due to the complexity of the working environment, and the work efficiency of the staff will be greatly improved. [0003] At present, the invention patent with the patent number CN202011494138.3 discloses an industrial network security encryption processing method based on 5G communication t...

Claims

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Application Information

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IPC IPC(8): H04W12/03H04W12/041
CPCH04W12/03H04W12/041Y02D30/70
Inventor 吴佳
Owner 上海威固信息技术股份有限公司
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