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Private Product Computation Using Quantum Entanglement
R. B. Christensen, P. Popovski·May 10, 2023·DOI: 10.1109/TQE.2023.3320052
Computer SciencePhysicsMathematics
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Abstract
In this article, we show that a pair of entangled qubits can be used to compute a product privately. More precisely, two participants with a private input from a finite field can perform local operations on a shared, Bell-like quantum state, and when these qubits are later sent to a third participant, the third participant can determine the product of the inputs, but without learning more about the individual inputs. We give a concrete way to realize this product computation for arbitrary finite fields of prime order.