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Efficient and Secure Signature Scheme applicable to Secure multi-party Computation

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2023, 28(7), pp.77-84
  • DOI : 10.9708/jksci.2023.28.07.077
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : June 27, 2023
  • Accepted : July 17, 2023
  • Published : July 31, 2023

Myoungin Jeong 1

1육군사관학교

Accredited

ABSTRACT

This research originated from the need to enhance the security of secure multiparty computation by ensuring that participants involved in multiparty computations provide truthful inputs that have not been manipulated. While malicious participants can be involved, which goes beyond the traditional security models, malicious behaviors through input manipulation often occur in real-world scenarios, leading to privacy infringements or situations where the accuracy of multiparty computation results cannot be guaranteed. Therefore, in this study, we propose a signature scheme applicable to secure multiparty technologies, combining it with secret sharing to strengthen the accuracy of inputs using authentication techniques. We also investigate methods to enhance the efficiency of authentication through the use of batch authentication techniques. To this end, a scheme capable of input certification was designed by applying a commitment scheme and zero-knowledge proof of knowledge to the CL signature scheme, which is a lightweight signature scheme, and batch verification was applied to improve efficiency during authentication.

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* References for papers published after 2023 are currently being built.

This paper was written with support from the National Research Foundation of Korea.
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