Technology of Information Security
|
App. Res. of Comp. Printed Article
Vol. 37, 2020 No. 1
225-230,244

Constructing fair secure multi-party computation based on blockchain

Huang Jianhua
Jiang Yahui
Li Zhongcheng
School of Information Science & Engineering, East China University of Science & Technology, Shanghai 200237, China
DOI: 10.19734/j.issn.1001-3695.2018.07.0479

Abstract

This paper proposed a fair secure multi-party computation(MPC) protocol to solve the problem that fairness cannot be achieved when there is no honest majority. The protocol constructed a penalty mechanism based on smart contracts which were stored on the blockchain. It included the MPC phase based on verifiable secret sharing and the fair secret reconstruction phase. The participants could obtain the final output by collecting just t+1 correct shares. The protocol utilized homomorphic commitments to verify the correctness of the secret shares, employed timeouts to identify the premature abort behaviors of malicious parties, and punished the aborting parties financially. Security analysis shows that honest participants can get the final output, otherwise they will get financial compensation. Performance analysis shows that the protocol requires only one coin-transfer round and a large number of complex secret share verification work is off the chain, which ensures the implementation efficiency.

Foundation Support

国家自然科学基金面上项目(61472139)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2018.07.0479
Publish at: Application Research of Computers Printed Article, Vol. 37, 2020 No. 1
Section: Technology of Information Security
Pages: 225-230,244
Serial Number: 1001-3695(2020)01-047-0225-06

Publish History

[2020-01-05] Printed Article

Cite This Article

黄建华, 江亚慧, 李忠诚. 利用区块链构建公平的安全多方计算 [J]. 计算机应用研究, 2020, 37 (1): 225-230,244. (Huang Jianhua, Jiang Yahui, Li Zhongcheng. Constructing fair secure multi-party computation based on blockchain [J]. Application Research of Computers, 2020, 37 (1): 225-230,244. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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