Quantum Cryptography with Imperfect Apparatus

  title={Quantum Cryptography with Imperfect Apparatus},
  author={Dominic Mayers and Andrew Chi-Chih Yao},
Quantum key distribution, first proposed by Bennett and Brassard, provides a possible key distribution scheme whose security depends only on the quantum laws of physics. So far the protocol has been proved secure even under channel noise and detector faults of the receiver, but is vulnerable if the photon source used is imperfect. In this paper we propose and give a concrete design for a new concept, self-checking source, which requires the manufacturer of the photon source to provide certain… CONTINUE READING

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