Optimized SM9-Based Distributed Key Generation Scheme
Author Information
Author(s): Chen Jinhong, Zhou Xueguang, Fu Wei, Mao Yihuan
Primary Institution: Naval University of Engineering, Wuhan, China
Hypothesis
Can an optimized distributed key generation scheme enhance security and efficiency in identity-based cryptography?
Conclusion
The proposed SM9-based lightweight DKG scheme significantly reduces communication and computational demands while enhancing security.
Supporting Evidence
- The scheme operates without a trusted center, addressing vulnerabilities in conventional key generation.
- It reduces communication and computational overhead significantly.
- The security of the scheme is validated within the EUF-CIA model.
Takeaway
This study created a new way to safely share secret keys without needing a trusted center, making it easier and faster to keep information secure.
Methodology
The study developed a (t, n)-threshold DKG scheme using the SM9 standard, optimizing the Paillier share transformation protocol.
Limitations
The scheme is based on the assumption of a semi-honest adversary, which may not hold in all scenarios.
Digital Object Identifier (DOI)
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