Multiparty quantum determined key distribution protocol using GHZ states

A multiparty quantum determined key distribution protocol using GHZ(Greenberger-Horne-Zeilinger) states is presented in this paper. Three parties can build a key with the help of GHZ states. The key can be a determined string in our protocol while the key is a random string built in the process of k...

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Hauptverfasser:	Xiaoyu Li, Dexi Zhang
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Cities and towns Computer science Computer security Cryptographic protocols Cryptography Educational institutions GHZ states Information science Laboratories multiparty quantum determined key distribution protocol Quantum computing quantum cryptography Quantum mechanics Security the Bell state measurement
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Beschreibung
Zusammenfassung:	A multiparty quantum determined key distribution protocol using GHZ(Greenberger-Horne-Zeilinger) states is presented in this paper. Three parties can build a key with the help of GHZ states. The key can be a determined string in our protocol while the key is a random string built in the process of key distribution in previous protocols. We prove that our protocol is guaranteed to be unconditionally secure by the laws of quantum mechanics.
DOI:	10.1109/ICNDS.2010.5479592