A protocol for secure and deterministic quantum key expansion

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dc.creatorWang, X. B.
dc.date2004-07-01
dc.date2004-07-05
dc.date.accessioned2026-07-07T06:10:08Z
dc.date.available2026-07-07T06:10:08Z
dc.descriptionIn all existing protocols of private communication with encryption and decryption, the pre-shared key can be used for only one time. We give a deterministic quantum key expansion protocol where the pre-shared key can be recycled. Our protocol is exponentially secure. Our protocol costs less qubits and almost zero classical communications with authentication steps being included. Since our protocol can distribute the deterministic bits, it can also be used for direct communication.
dc.description5 pages
dc.identifierhttps://arxiv.org/abs/quant-ph/0407011
dc.identifierhttp://arxiv.org/abs/quant-ph/0407011
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/92185
dc.subjectQuantum Physics
dc.titleA protocol for secure and deterministic quantum key expansion
dc.typetext

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