Quantum Network Security: A Multi-Party Computation Protocol Leveraging Quantum Key Distribution and Quantum State Secure Computation

Jincheng Zhang

Published Aug 31, 2026• 0 citations

Abstract

This paper presents a novel protocol for secure multi-party computation (MPC) within a quantum network, integrating Quantum Key Distribution (QKD) and quantum state secure computation techniques. The core objective is to enable multiple parties to collaboratively perform computations without revealing their individual inputs. The proposed protocol establishes a secure communication channel using QKD, guaranteeing the exchange of secret keys. Subsequently, a quantum state secure multi-party computation algorithm is employed, ensuring the confidentiality and integrity of the computation process. The utilization of quantum key distribution significantly enhances the security of the entire system, mitigating vulnerabilities associated with traditional MPC schemes. The theoretical analysis demonstrates the protocol's resilience against various attacks, providing a foundation for building robust and secure quantum network applications. The protocol's effectiveness hinges on the ability to maintain quantum coherence during the computational steps and accurately manage the quantum key distribution process. This research contributes to the advancement of secure quantum computing and communication technologies.

DOI: 10.5281/zenodo.22201318

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