JZUS - Journal of Zhejiang University SCIENCE

Frontiers of Information Technology & Electronic Engineering

Accepted manuscript available online (unedited version)

Anti-quantumcross-chain identity authentication approach using dynamic group signature

Author(s): Huifang YU, Mengjie HUANG
Affiliation(s): School of Cyberspace Security, Xi'an University of Posts & Telecommunications, Xi'an 710121, China; more
Corresponding email(s): yuhuifang@xupt.edu.cn
Key Words: Cross-chain; Identity authentication; Dynamic group signature (DGS); Anti-quantum security; Zero-knowledge proof

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Huifang YU, Mengjie HUANG. Anti-quantumcross-chain identity authentication approach using dynamic group signature[J]. Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/FITEE.2400443

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author="Huifang YU, Mengjie HUANG",
journal="Frontiers of Information Technology & Electronic Engineering",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/10.1631/FITEE.2400443"
}

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%A Mengjie HUANG
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A1 - Mengjie HUANG
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Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: To solve the privacy leakage and identity island in cross-chain interaction, we propose an anti quantum cross-chain identity authentication approach based on dynamic group signature (DGS-AQCCIDAA) for smart education. The relay-based cross-chain model promotes interconnection in heterogeneous consortium blockchains. DGS is used as the endorsement strategy for cross-chain identity authentication. Our approach can ensure quantum security under the learning with error (LWE) and inhomogeneous small integer solution (ISIS) assumptions, and it uses non-interactive zero-knowledge proof (NIZKP) to protect user identity privacy. Our scheme has low calculation overhead and provides anonymous cross-chain identity authentication in the smart education system.

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