Long-Range QKD without Trusted Nodes is Not Possible with Current Technology

Bruno Huttner; Romain Alléaume; Eleni Diamanti; Florian Fröwis; Philippe Grangier; Hannes Hübel; Vicente Martin; Andreas Poppe; Joshua A. Slater; Tim Spiller; Wolfgang Tittel; Benoit Tranier; Adrian Wonfor; Hugo Zbinden

doi:10.1038/s41534-022-00613-4

Long-Range QKD without Trusted Nodes is Not Possible with Current Technology

Quantum Physics 2022-12-19 v2 Cryptography and Security

Authors: Bruno Huttner , Romain Alléaume , Eleni Diamanti , Florian Fröwis , Philippe Grangier , Hannes Hübel , Vicente Martin , Andreas Poppe , Joshua A. Slater , Tim Spiller , Wolfgang Tittel , Benoit Tranier , Adrian Wonfor , Hugo Zbinden

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Abstract

A recently published patent (https://www.ipo.gov.uk/p-ipsum/Case/PublicationNumber/GB2590064) has claimed the development of a novel quantum key distribution protocol purporting to achieve long-range quantum security without trusted nodes and without use of quantum repeaters. Here we present a straightforward analysis of this claim, and reach the conclusion that it is largely unfounded.

Keywords

quantum key distribution quantum cryptography

Cite

@article{arxiv.2210.01636,
  title  = {Long-Range QKD without Trusted Nodes is Not Possible with Current Technology},
  author = {Bruno Huttner and Romain Alléaume and Eleni Diamanti and Florian Fröwis and Philippe Grangier and Hannes Hübel and Vicente Martin and Andreas Poppe and Joshua A. Slater and Tim Spiller and Wolfgang Tittel and Benoit Tranier and Adrian Wonfor and Hugo Zbinden},
  journal= {arXiv preprint arXiv:2210.01636},
  year   = {2022}
}

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9 pages, 2 figures and 1 table

Long-Range QKD without Trusted Nodes is Not Possible with Current Technology

Abstract

Keywords

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