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Practical sharing of quantum secrets over untrusted channels

Anne Marin 1, 2 Damian Markham 1, 2
1 IQA - Information Quantique et Applications
LTCI - Laboratoire Traitement et Communication de l'Information
Abstract : In this work we address the issue of sharing a quantum secret over untrusted channels between the dealer and players. Existing methods require entanglement over a number of systems which scales with the security parameter, quickly becoming impractical. We present protocols (interactive and a non-interactive) where single copy encodings are sufficient. Our protocols work for all quantum secret sharing schemes and access structures, and are implementable with current experimental set ups. For a single authorised player, our protocols act as quantum authentication protocols.
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Contributor : Telecomparis Hal <>
Submitted on : Friday, September 13, 2019 - 4:34:45 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:53 PM


  • HAL Id : hal-02287092, version 1


Anne Marin, Damian Markham. Practical sharing of quantum secrets over untrusted channels. ICITS 2015, May 2015, Lugano, Switzerland. ⟨hal-02287092⟩



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