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Quantum Multiparty Privacy Set Intersection Cardinality
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DOI：10.1109/TCSII.2020.3032550.png)
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Abstract
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In this brief, we present a novel quantum protocol for Multiparty Privacy Set Intersection Cardinality (MPSI-CA) and design the corresponding quantum circuits. The proposed protocol demonstrates two primary aspects of quantum advantage: the parallelism of quantum computing and the randomness of quantum measurement. Compared with the classical related protocols, the proposed MPSI-CA protocol can ensure higher security (i.e., unconditional security) and achieve better communication complexity (i.e., O(t(2))).
Keywords:
Registers
Protocols
Qubit
Complexity theory
Circuits and systems
Quantum computing
quantum circuits
secure multiparty computation
privacy-preserving
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