GNSS data encryption transmission method

Abstract

The invention relates to the technical field of satellite positioning, and discloses a GNSS data encryption transmission method. The method comprises: accessing a key management server, acquiring an encryption key, performing secondary encapsulation on the first type of original data by utilizing the encryption key to obtain encrypted data, the format of the encrypted data being an industrial standard format, and transmitting the encrypted data to a data center resolving server through a public network; transmitting the second type of original data to a data center resolving server through a private network; and the same receiving module being used for receiving and processing the encrypted data or the second type of original data to obtain differential network data and resolving and transmitting the differential network data to the user side, and the receiving module for processing the encrypted data can be compatible with the second type of original data at the same time, so that thecomplexity of operation and maintenance management is reduced, and the user experience is improved.

Description

technical field [0001] The invention relates to the technical field of satellite positioning, and discloses an encrypted transmission method of GNSS data. Background technique [0002] GNSS (Global Navigation Satellite System) is a system that uses satellites to locate user receivers and processors on the earth. GNSS (Global Navigation Satellite System) is mainly composed of a reference station, a data processing center, a data transmission system, a positioning and navigation data dissemination system, and a user application system. In order to solve the security problems in the transmission process of RTCM3.X data, the products currently on the market mainly use private network for transmission, avoiding the leakage of original RTCM3.X data from the perspective of network transmission, but the private network is expensive and inconvenient to build , to limit the construction progress of the site, and the original RTCM3.X format data is still transmitted, and there is stil...

AI Technical Summary

Problems solved by technology

In order to solve the security problems in the transmission process of RTCM3.X data, the products currently on the market mainly use private network for transmission, avoiding the leakage of original RTCM3.X data from the perspective of network transmission, but the private network is expensive and inconvenient to build , to limit the construction progress of the site, and the transmission is still the original RTCM3.X format data, there is still a risk of leakage

[0003] Another way is to directly encrypt and transmit the original RTCM3.X data, and encrypt the original RTCM3.X data observed by all GNSS continuous operation reference stations. However, in the actual construction process, considering the reference station models of different manufacturers, there will be Some of them transmit RTCM3.X original data through dedicated lines, while the other part uses public network to transmit customized encrypted RTCM3.X data. The encrypted data is quite different from the original data, and two different receiving modules are required. To process the encrypted data and the original RTCM3.X data, the operation and maintenance management is very complicated and the practicability is low

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