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Applied Mechanics and Materials

Multiparty Quantum Determined Key Distribution Protocol Using Open-Destination Teleportation

Qiu Yu Zhao, Xiao Yu Li, De Xi Zhang

Published Aug 1, 2010• 0 citations
Publisher

Abstract

A multiparty quantum determined key distribution protocol using open-destination teleportation is presented in this paper. Four parties can build a key using the technology of open-destination teleportation. Unlike in the previous protocols in which the key is a random string built in the process of key distribution, the key can be a determined string in our protocol. We prove that our protocol is guaranteed to be unconditionally secure by the laws of quantum mechanics.

DOI
10.4028/www.scientific.net/amm.29-32.2580

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A multiparty quantum determined key distribution protocol using open-destination teleportation is presented in this paper. Four parties can build a key using the technology of open-destination teleportation. Unlike in the previous protocols in which the key is a random string built in the process of key distribution, the key can be a determined string in our protocol. We prove that our protocol is guaranteed to be unconditionally secure by the laws of quantum mechanics.
In this paper a multiparty information delay protocol using open-destination teleportation is present. By sharing entangled four-particle quantum systems one person can give the other three persons some information which cannot be read until he or she lets them do. The principles of quantum mechanics guarantees the unconditional security of the protocol. When the one decides to let the other three get the information, he or she need only to send some dictates through a public classical channel. So the protocol is easier to carry out and it is more robust in practice.