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A Four-Party Quantum Secret-Sharing Scheme based on Grover's Search Algorithm

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arxiv 2111.08932 v1 pith:DV2YL36L submitted 2021-11-17 quant-ph

classification quant-ph
keywords schemestatequantumparticipantsalgorithmanalysisencodinggrover
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The work presents an amalgam of quantum search algorithm (QSA) and quantum secret sharing (QSS). The proposed QSS scheme utilizes Grover's three-particle quantum state. In this scheme, the dealer prepares an encoded state by encoding the classical information as a marked state and shares the states' qubits between three participants. The participants combine their qubits and find the marked state as a measurement result of the three-qubit state. The security analysis shows the scheme is stringent against malicious participants or eavesdroppers. In comparison to the existing schemes, our protocol fairs pretty well and has a high encoding capacity. The simulation analysis is done on the cloud platform IBM-QE thereby showing the practical feasibility of the scheme.

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