Reply to: 'Reply to: "Comment on: `How much security does Y-00 protocol provide us?` " '

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dc.creatorNair, Ranjith
dc.creatorYuen, Horace P.
dc.creatorCorndorf, Eric
dc.creatorKumar, Prem
dc.date2005-09-13
dc.date.accessioned2026-07-07T06:13:28Z
dc.date.available2026-07-07T06:13:28Z
dc.descriptionNishioka et al claim in [1], elaborating on their earlier paper [2], that the direct encryption scheme called Y-00 [3,4] is equivalent to a classical non-random additive stream cipher, and thus offers no more security than the latter. In this paper, we show that this claim is false and that Y-00 may be considered equivalent to a \emph{random} cipher. We explain why a random cipher provides additional security compared to its nonrandom counterpart. Some criticisms in [1] on the use of Y-00 for key generation are also briefly responded to.
dc.descriptionSubmitted to Phys. Lett. A
dc.identifierhttps://arxiv.org/abs/quant-ph/0509092
dc.identifierhttp://arxiv.org/abs/quant-ph/0509092
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/93118
dc.subjectQuantum Physics
dc.titleReply to: 'Reply to: "Comment on: `How much security does Y-00 protocol provide us?` " '
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