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Proceedings Paper

A brief review on quantum bit commitment
Author(s): Álvaro J. Almeida; Ricardo Loura; Nikola Paunković; Nuno A. Silva; Nelson J. Muga; Paulo Mateus; Paulo S. André; Armando N. Pinto
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Paper Abstract

In classical cryptography, the bit commitment scheme is one of the most important primitives. We review the state of the art of bit commitment protocols, emphasizing its main achievements and applications. Next, we present a practical quantum bit commitment scheme, whose security relies on current technological limitations, such as the lack of long-term stable quantum memories. We demonstrate the feasibility of our practical quantum bit commitment protocol and that it can be securely implemented with nowadays technology.

Paper Details

Date Published: 22 August 2014
PDF: 8 pages
Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92861C (22 August 2014); doi: 10.1117/12.2063733
Show Author Affiliations
Álvaro J. Almeida, Univ. de Aveiro (Portugal)
Instituto de Telecomunicações (Portugal)
Ricardo Loura, Instituto de Telecomunicações (Portugal)
Univ. Técnica de Lisboa (Portugal)
Nikola Paunković, Instituto de Telecomunicações (Portugal)
Univ. Técnica de Lisboa (Portugal)
Nuno A. Silva, Instituto de Telecomunicações (Portugal)
Univ. de Aveiro (Portugal)
Nelson J. Muga, Instituto de Telecomunicações (Portugal)
Univ. de Aveiro (Portugal)
Paulo Mateus, Instituto de Telecomunicações (Portugal)
Univ. Técnica de Lisboa (Portugal)
Paulo S. André, Instituto de Telecomunicações (Portugal)
Instituto Superior Técnico (Portugal)
Armando N. Pinto, Instituto de Telecomunicações (Portugal)
Univ. de Aveiro (Portugal)


Published in SPIE Proceedings Vol. 9286:
Second International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. Martins Costa; Rogério Nunes Nogueira, Editor(s)

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