ASYMMETRICAL QUANTUM KEY DISTRIBUTION PROTOCOL

Xiaoyu Li ()
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Xiaoyu Li: Institute of Computing Technology, Chinese Academy of Sciences, P. O. Box 2704, Beijing, 100080, P. R. China

International Journal of Modern Physics C (IJMPC), 2002, vol. 13, issue 10, 1387-1392

Abstract: We provide an asymmetrical quantum key distribution protocol based on the correlations of EPR pairs. It is a variant of the modified Lo–Chau protocol where the EPR pair is not in the stateΦ+but is in one of the four states{Φ±, Ψ±}. The two sides communicating with each other are not equal in the process of establishing the key. A public key system can be built on the protocol. It differs from classical public key system in that there are three keys: the public key, the secret key and the real key.

Keywords: Quantum cryptography; asymmetrical; basis; EPR pairs; public key system (search for similar items in EconPapers)
Date: 2002
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DOI: 10.1142/S0129183102003930

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