计算机科学

计算机科学 ›› 2022, Vol. 49 ›› Issue (6A): 469-473.doi: 10.11896/jsjkx.210700033

• 信息安全 • 上一篇    下一篇

基于智能合约的秘密重建协议

卫宏儒, 李思月, 郭涌浩   

  1. 北京科技大学数理学院 北京 100083
  • 出版日期:2022-06-10 发布日期:2022-06-08
  • 通讯作者: 李思月(lsy231con@163.com)
  • 作者简介:(weihr@ustb.edu.cn)
  • 基金资助:
    广东省重点领域研发计划(2020B0909020001);国家自然科学基金(61873026)

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).

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摘要： 针对可验证秘密共享方案设计秘密重建协议,在现实生活中参与者都是理性的条件下,利用惩罚机制并采用扣除押金的方式,对可验证性秘密共享方案验证出的恶意参与方的行为进行约束,并利用区块链的智能合约工具,根据智能合约的独立性、不可篡改性,解决了以有研究中很难解决的可信第三方问题,此协议分为本地协议和智能合约两部分,在保证安全性、秘密性的同时也能够通过对智能合约的设计实现公平性。

关键词: 安全多方计算, 惩罚机制, 公平性, 秘密重建, 智能合约

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

中图分类号: 

  • TP309
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