Computer Science ›› 2022, Vol. 49 ›› Issue (6A): 469-473.doi: 10.11896/jsjkx.210700033

• Information Security • Previous Articles     Next Articles

Secret Reconstruction Protocol Based on Smart Contract

WEI Hong-ru, LI Si-yue, GUO Yong-hao   

  1. School of Mathematics and Physics,University of Science and Technology,Beijing 100083,China
  • Online:2022-06-10 Published:2022-06-08
  • About author:WEI Hong-ru,born in 1963,associate professor.His main research interests include mathematics,information secu-rity and cryptography and key techno-logies of Internet of things.
    LI Si-yue,born in 1996.Her main research interests include information security and cryptography.
  • Supported by:
    Key-Area Research and Development Program of Guangdong Province(2020B0909020001) and National Natural Science Foundation of China(61873026).

Abstract: The secret reconstruction protocol for a verifiable secret sharing scheme is designed.Under real-life conditions where the participants are all rational,the punishment mechanism and the method of deducting the deposit are used to conduct the behavior of malicious parties verified by the verifiable secret sharing scheme Constraint,and using the tool of blockchain smart contract,according to the independence and non-tampering of smart contract,the problem of trusted third parties that are difficult to solve in previous research is solved.The protocol is divided into two parts,local protocol and smart contract.While ensuring the security and confidentiality,the protocol can also utilize the design of smart contracts to achieve fairness.

Key words: Fairness, Punishment mechanism, Secret reconstruction, Secure multi-party computing, Smart contract

CLC Number: 

  • TP309
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