Quantum secret sharing

Mark Hillery, Vladimír Bužek, and André Berthiaume
Phys. Rev. A 59, 1829 – Published 1 March 1999
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Abstract

Secret sharing is a procedure for splitting a message into several parts so that no subset of parts is sufficient to read the message, but the entire set is. We show how this procedure can be implemented using Greenberger-Horne-Zeilinger (GHZ) states. In the quantum case the presence of an eavesdropper will introduce errors so that his presence can be detected. We also show how GHZ states can be used to split quantum information into two parts so that both parts are necessary to reconstruct the original qubit.

  • Received 18 June 1998

DOI:https://doi.org/10.1103/PhysRevA.59.1829

©1999 American Physical Society

Authors & Affiliations

Mark Hillery1, Vladimír Bužek2, and André Berthiaume3

  • 1Department of Physics and Astronomy, Hunter College, City University of New York, 695 Park Avenue, New York, New York 10021
  • 2Institute of Physics, Slovak Academy of Sciences, Dúbravská cesta 9, 842 28 Bratislava, Slovakia
  • 3School of CTI, DePaul University, 243 South Wabash Avenue, Chicago, Illinois 60604-2302

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Vol. 59, Iss. 3 — March 1999

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