Message authentication key management system and method

An authentication key and management system technology, which is applied in radio wave measurement systems, satellite radio beacon positioning systems, transmission systems, etc., can solve problems such as tampering with messages and cheating receivers, so as to avoid attack tampering, resist spoofing attacks, The effect of preventing being cheated

Active Publication Date: 2021-04-16
AEROSPACE INFORMATION RES INST CAS
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  • Abstract
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Problems solved by technology

[0004] The present invention provides a text authentication key management system and method to solve the problem of tampering with text to deceive receivers in the prior art

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  • Message authentication key management system and method
  • Message authentication key management system and method
  • Message authentication key management system and method

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] Combine below Figure 1 to Figure 5 The text authentication key management system of the present invention is described. The text authentication key management system of the present invention is applicable to but not limited to the SBAS system, and is also applicable to the GNSS system. This embodiment takes the SBAS system as an example. The SBAS system includes a ground control cent...

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Abstract

The invention relates to the technical field of satellite navigation, and provides a message authentication key management system and method, and the system comprises a first terminal, a second terminal, and a third terminal, wherein the first terminal is used for generating a one-way key chain and a public key password, the public key password comprises a private key and a corresponding public key, the private key is used for digitally signing a root key of the one-way key chain to obtain a root key digital signature, and the one-way key chain, the root key digital signature and related information of a public key certificate are sent to the second terminal; the second terminal is used for arranging related information of the one-way key chain, the root key digital signature and the public key certificate in a message and sending the message to the third terminal; and the third terminal is used for verifying the authenticity of the public key, the root key digital signature and the subsequent key of the one-way key chain. A safer navigation service is provided for a user by increasing message integrity, signal source identity authentication and other methods so as to resist spoofing attacks.

Description

technical field [0001] The invention relates to the technical field of satellite navigation, in particular to an electronic text authentication key management system and method. Background technique [0002] The Satellite Based Augmentation System (SBAS) aims to better meet the navigation system requirements from the en route flight phase to the vertical guidance precision approach phase, and uses geosynchronous geostationary satellites (GEO) as the communication medium to provide global navigation A wide-area differential system for Global Navigation Satellite System (GNSS) differential correction and integrity data. Since the SBAS signal format is open, the receiver is vulnerable to the threat of spoofing and jamming, especially in high-integrity applications such as civil aviation, and its navigation security issues are of particular concern. [0003] At present, for the information enhancement characteristics of the navigation system (whether it is GNSS or SBAS), most o...

Claims

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Application Information

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IPC IPC(8): H04L9/32H04L9/08H04L29/06G01S19/21
Inventor 刘婷陈潇万红霞杨光巩应奎袁洪
Owner AEROSPACE INFORMATION RES INST CAS
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