Space-Integrated-Ground Information Networks ›› 2021, Vol. 2 ›› Issue (3): 48-56.doi: 10.11959/j.issn.2096-8930.2021030

Special Issue: 专题:天地一体化信息网络安全防护技术 区块链

• Special Issue: Security Protection Technology for Space-Integrated-Ground Information Network • Previous Articles     Next Articles

A Non-interactive Key Exchange Scheme for Space-IntegratedGround Information Network Based on Blockchain

Mengru LIU, Yulong FU, Jin CAO, Hui LI   

  1. School of Cyber Engineering, Xidian University, Xi’an 710126, China
  • Revised:2021-08-10 Online:2021-09-20 Published:2021-09-01
  • Supported by:
    Natural Science Basic Research Program of Shaanxi(2021JM-137);The Fundamental Research Funds for the Central Universities(QTZX2106);The National Natural Science Foundation of China(61772404);Key Research and Development Program of Shaanxi(2020ZDLGY08-08);Key Program of National Natural Science Foundation of China(U1836203)

Abstract:

For scenarios such as space-integrated-ground information network where satellite resources are limited and communication delays are large, in response to the requirements of non-interactive key exchange in the satellite communication network, a non-interactive key exchange scheme for space-integrated-ground information network based on blockchain and Diffi e-Hellman key exchange protocol was proposed.The scheme arranged the blockchain in space-integrated-ground information network to form TDYTH blockchain.After the satellite node was registered, its related information was stored in TDYTH blockchain.When the satellite node needed to communicated with the long-distance node such as NCC, the two parties could query the immutable information stored in TDYTH blockchain to generated the shared session key, established consensus, and then completed access authentication and key distribution under non-interactive conditions.The result of simulation demonstrated that the scheme we proposed could meet the requirements of non-interactive key distribution of satellites and other nodes, and could signifi cantly improved security and robustness.

Key words: space-integrated-ground information network, non-interactive key exchange, blockchain

CLC Number: 

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