Challenges and innovative solutions of space-ground integrated network security
The security challenges confronting the space-ground integrated network in 6G era were mainly diss-cussed,and an innovative scheme based on quantum security was proposed.Firstly,the developmental backdrop and evolving trends of the integrated network's architecture were outlined,highlighting the distinct features and applica-tion contexts of both the transparent forwarding and on-board regeneration frameworks.Secondly,the security chal-lenges faced by the space-ground integrated network were analyzed,especially the risks of data transmission security and access authentication.In response to these challenges,the innovative solutions were proposed to ensure the secu-rity of the space-ground integrated network based on quantum technology.By leveraging the unconditional security of quantum communication and the advantages of post-quantum cryptographic algorithms,end-to-end secure commu-nication protection for the space-ground integrated network was provided.Finally,the feasibility of using quantum technology was verified to ensure the security of the space-ground integrated network.
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