Phys. Rev. A 76, 062316 (2007) [3 pages]Multiparty quantum-key-distribution protocol without use of entanglementReceived 7 August 2007; published 20 December 2007 We propose a quantum-key-distribution protocol that enables three parties to agree at once on a shared common random bit string in the presence of an eavesdropper without use of entanglement. We prove its unconditional security and analyze the key rate. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.76.062316
DOI:
10.1103/PhysRevA.76.062316
PACS:
03.67.Dd, 03.67.Pp
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