Journal on Communications ›› 2019, Vol. 40 ›› Issue (5): 67-78.doi: 10.11959/j.issn.1000-436x.2019111

Special Issue: 区块链

• Papers • Previous Articles     Next Articles

Research on a new network covert channel model in blockchain environment

Yanfeng LI1,2,Liping DING1,3(),Jingzheng WU4,Qiang CUI5,Xuehua LIU1,2,Bei GUAN6   

  1. 1 Laboratory of Parallel Software and Computational Science,Institute of Software Chinese Academy of Sciences,Beijing 100190,China
    2 School of Computer Science and Technology,University of Chinese Academy of Sciences,Beijing 100049,China
    3 Digital Forensics Lab,Institute of Software Application Technology,Guangzhou &Chinese Academy of Sciences(GZIS),Guangzhou 511458,China
    4 Intelligent Software Research Center,Institute of Software,Chinese Academy of Sciences,Beijing 100190,China;5.Laboratory for Internet Software Technologies,Institute of Software Chinese Academy of Sciences,Beijing 100190,China;6.Collaborative Innovation Center,Institute of Software,Chinese Academy of Sciences,Beijing 100190,China
    5 Laboratory for Internet Software Technologies,Institute of Software Chinese Academy of Sciences,Beijing 100190,China
    6 Collaborative Innovation Center,Institute of Software,Chinese Academy of Sciences,Beijing 100190,China
  • Revised:2019-04-11 Online:2019-05-25 Published:2019-05-30
  • Supported by:
    The National Key Research and Development Program of China(2016QY01W0200);The National Natural Science Foundation of China(61772507);The Science and Technology Planning Project of Guangzhou Municipality(201802020015)

Abstract:

Blockchain is a decentralized architecture emerging with cryptocurrencies,which is credible and robust.A network covert channel model in blockchain environment was proposed for the first time,which was anti-interference,anti-tamper modification,multi-line communication,receiver anonymity and line independence.The shortcomings of network covert channel in existing network environment could be tackled by the new type of network covert channel,such as characteristic defect.etc.Firstly,A network covert channel model in blockchain environment was presented by formal method,its anti-interference and anti-tamper modification was proved.Then,a blockchain network covert channel scenario using service operation interval time was presented.Finally,the undetectability,robustness and rate of the blockchain network covert channel evaluation vectors was proposed.A theoretical foundation was laid for the practicality of the new type of network covert channel in blockchain.

Key words: network covert channel, blockchain, anti-interference, anti-tamper modification, chained storage

CLC Number: 

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