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Industrial internet data encryption transmission method based on stream cipher

An industrial Internet and data encryption technology, which is applied in the field of industrial Internet data encryption transmission based on stream cipher, can solve problems such as the inability to meet the needs of data encryption transmission, and achieve the effect of reducing calculation steps and calculation amount, high efficiency and improving efficiency.

Pending Publication Date: 2022-04-15
北京北卡星科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When transmitting these data, encryption is usually required to ensure security. Existing encryption methods cannot meet the needs of data encryption transmission in scenarios such as limited computing power of terminal devices in the industrial Internet, incompatible devices, or difficult public key calculations.

Method used

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  • Industrial internet data encryption transmission method based on stream cipher
  • Industrial internet data encryption transmission method based on stream cipher
  • Industrial internet data encryption transmission method based on stream cipher

Examples

Experimental program
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Embodiment Construction

[0032] The technical solutions and beneficial effects of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] The present invention provides an industrial Internet data encryption transmission method based on a stream password, and is used to realize the security transmission of data between the industrial Internet. figure 1 Data encryption transmitted by the data acquisition device shown to the Data / Management Center as an example, based on the addition of the addendier gateway to the data acquisition device terminal and the data / management center, and the key negotiation for the two-end add-on-DPRC gateway Realization of the key center, the plus decryption gateway has both encrypted and decryption functions, i.e., the communication data of the encrypted network closure to the decryption gateway and the communication data of the decision network closure can be encrypted; figure 2 As shown, the method specifically includ...

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Abstract

The invention discloses an industrial internet data encryption transmission method based on a stream cipher, which is used for realizing data encryption transmission between a sender and a receiver in an industrial internet. The method comprises the following steps: a sender sends data to be sent to an encryption gateway; the encryption gateway generates a unique identifier, calculates a stream key index used for encrypting current data based on the identifier, extracts a stream key from a stream key sequence according to the stream key index, encrypts the current data by using the stream key, and then sends the identifier and ciphertext data to a decryption gateway of a receiver together; and the decryption gateway firstly extracts data identification information, then calculates a stream key index for decrypting the current ciphertext based on the identification, extracts a stream key from a stream key sequence according to the stream key index, decrypts the current ciphertext by using the stream key, and finally sends the obtained plaintext data to a receiver. According to the data encryption transmission method, correct transmission of the data can be ensured, the calculation amount of encryption and decryption is reduced, and the data transmission efficiency is improved.

Description

Technical field [0001] The present invention belongs to the field of data transmission, and in particular, the present invention relates to an industrial Internet data encryption transmission method based on a stream password. Background technique [0002] The industrial Internet connects industrial Internet platforms to closely connect industrial control equipment, production lines, factories, suppliers, products and customers, and many data will be generated in industrial Internet, which inevitably involves sensitive information such as commercial confidentiality, production parameters, control instructions. When transmitting these data, it is often necessary to ensure security by encryption, and the existing encryption method does not meet the data encryption transmission required for the calculation capacity of terminal devices in the industrial Internet, the device is not compatible, or the public key calculation is required. Inventive content [0003] SUMMARY OF THE INVENT...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/40H04L9/06H04L9/08H04L9/30
Inventor 陈明志翁才杰许春耀张瑞林啸逸张桂煌董骁郑绍华
Owner 北京北卡星科技有限公司
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