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- Title
Quantum Secure Multi-Party Summation with Graph State.
- Authors
Lu, Yaohua; Ding, Gangyi
- Abstract
Quantum secure multi-party summation (QSMS) is a fundamental problem in quantum secure multi-party computation (QSMC), wherein multiple parties compute the sum of their data without revealing them. This paper proposes a novel QSMS protocol based on graph state, which offers enhanced security, usability, and flexibility compared to existing methods. The protocol leverages the structural advantages of graph state and employs random graph state structures and random encryption gate operations to provide stronger security. Additionally, the stabilizer of the graph state is utilized to detect eavesdroppers and channel noise without the need for decoy bits. The protocol allows for the arbitrary addition and deletion of participants, enabling greater flexibility. Experimental verification is conducted to demonstrate the security, effectiveness, and practicality of the proposed protocols. The correctness and security of the protocols are formally proven. The QSMS method based on graph state introduces new opportunities for QSMC. It highlights the potential of leveraging quantum graph state technology to securely and efficiently solve various multi-party computation problems.
- Subjects
QUANTUM graph theory; QUANTUM states; RANDOM graphs; QUANTUM cryptography
- Publication
Entropy, 2024, Vol 26, Issue 1, p80
- ISSN
1099-4300
- Publication type
Article
- DOI
10.3390/e26010080