articlePhysical Review LettersFeb 6, 2004BRONZE OA

Quantum Cryptography Protocols Robust against Photon Number Splitting Attacks for Weak Laser Pulse Implementations

VSValerio ScaraniAAAntonio AcínGRG. RibordyNGNicolas Gisin

University of Geneva · ID Quantique (Switzerland)

PubMed
Indexed inarxivcrossrefpubmed

Abstract

We introduce a new class of quantum key distribution protocols, tailored to be robust against photon number splitting (PNS) attacks. We study one of these protocols, which differs from the original protocol by Bennett and Brassard (BB84) only in the classical sifting procedure. This protocol is provably better than BB84 against PNS attacks at zero error.

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Authors

4

Topics & keywords

Topics
Keywords
  • BB84
  • Quantum cryptography
  • Quantum key distribution
  • Computer science
  • Protocol (science)
  • Cryptography
  • Cryptographic protocol
  • Photon
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