Multiparty quantum cryptographic protocol

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dc.creatorRamzan, M.
dc.creatorKhan, M. K.
dc.date2009-02-16
dc.date.accessioned2026-07-07T12:42:09Z
dc.date.available2026-07-07T12:42:09Z
dc.descriptionWe propose a multiparty quantum cryptographic protocol. Unitary operators applied by Bob and Charlie, on their respective qubits of a tripartite entangled state encodes a classical symbol that can be decoded at Alice's end with the help of a decoding matrix. Eve's presence can be detected by the disturbance of the decoding matrix. Our protocol is secure against intercept-resend attacks. Furthermore, it is efficient and deterministic in the sense that two classical bits can be transferred per entangled pair of qubits. It is worth mentioning that in this protocol same symbol can be used for key distribution and Eve's detection that enhances the efficiency of the protocol.
dc.description12 pages, 1 .eps figure, 3 tables
dc.identifierhttps://arxiv.org/abs/0902.2528
dc.identifierhttp://arxiv.org/abs/0902.2528
dc.identifierM. Ramzan et al 2008 Chinese Phys. Lett. 25 3543-3546
dc.identifierdoi:10.1088/0256-307X/25/10/007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/219975
dc.subjectQuantum Physics
dc.titleMultiparty quantum cryptographic protocol
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