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Quantum secure protocols for multiparty computations
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DOI：10.1016/j.jisa.2025.104033.png)
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Abstract
En 中文
Secure multiparty computation (MPC) schemes allow two or more parties to conjointly compute a function on their private input sets while revealing nothing but the output. Existing state-of-the-art number-theoretic-based designs face the threat of attacks through quantum algorithms. In this context, we present secure MPC protocols that can withstand quantum attacks. We first present the design and analysis of an information-theoretic secure oblivious linear evaluation (OLE), namely BOLE in the quantum domain. We showed that BOLE is safe from external attacks. In addition, it satisfies all the security requirements of a secure OLE. In the following, we utilized BOLE as a building block to construct a quantum-safe multiparty private set intersection (MPSI) protocol.
Keywords:
Quantum cryptography
Multiparty computations
MPSI
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