Phys. Rev. A 64, 024301 (2001) [3 pages]Addendum to “Quantum key distribution without alternative measurements”Received 26 October 2000; published 26 June 2001 Recently, Zhang, Li, and Guo have proposed a particular eavesdropping attack [Phys. Rev. A 63, 036301 (2001)] that shows that my quantum key distribution protocol based on entanglement swapping [Phys. Rev. A 61, 052312 (2000)] is insecure. However, security against this attack can be attained with a simple modification. In addition, a simpler version of the protocol using four qubits is introduced. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.64.024301
DOI:
10.1103/PhysRevA.64.024301
PACS:
03.67.Dd, 03.67.Hk
See AlsoAddendum: Adán Cabello, Quantum key distribution without alternative measurements, Phys. Rev. A 61, 052312 (2000). |
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