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  • Tavakoli, Armin, et al. (author)
  • Secret sharing with a single d-level quantum system
  • 2015
  • In: Physical Review A. Atomic, Molecular, and Optical Physics. - 1050-2947 .- 1094-1622. ; 92:3
  • Journal article (peer-reviewed)abstract
    • We give an example of a wide class of problems for which quantum-information protocols based on multisystem entanglement can be mapped into much simpler ones involving one system. Secret sharing is a cryptographic primitive which plays a central role in various secure multiparty computation tasks and management of keys in cryptography. In secret sharing protocols, a classical message is divided into shares given to recipient parties in such a way that some number of parties need to collaborate in order to reconstruct the message. Quantum protocols for the task commonly rely on multipartite GHZ entanglement. We present a multiparty secret sharing protocol which requires only sequential communication of a single quantum d-level system (for any prime d). It has huge advantages in scalability and can be realized with state-of-the-art technology.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Zukowski, Marek (1)
Bourennane, Mohamed (1)
Tavakoli, Armin (1)
Herbauts, Isabelle (1)
University
Stockholm University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2015 (1)

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