A device-independent quantum private query protocol is constructed that remains secure without assuming perfect detectors, addressing an open vulnerability identified in the prior MRT17 protocol.
ξ = √ 1 2⌈γN ⌉ ln 1 εCHSH , v = √ (N − ⌈γN ⌉ + 1)⌊(1 − γ)N ⌋2 ln 1 εQP Q 2⌈γN ⌉N 3 , (36) εCHSH and εQPQ are negligible small values
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Device-Independent Quantum Private Query Protocol without the Assumption of Perfect Detectors
A device-independent quantum private query protocol is constructed that remains secure without assuming perfect detectors, addressing an open vulnerability identified in the prior MRT17 protocol.