LIPIcs.TQC.2014.205.pdf
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Device-independent Randomness Extraction for Arbitrarily Weak Min-entropy Source
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9th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2014)
Series: Leibniz International Proceedings in Informatics (LIPIcs)
Conference: Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC) - License:
Creative Commons Attribution 3.0 Unported license
- Publication Date: 2014-12-11
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Jan Bouda, Marcin Pawlowski, Matej Pivoluska, and Martin Plesch. Device-independent Randomness Extraction for Arbitrarily Weak Min-entropy Source. In 9th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2014). Leibniz International Proceedings in Informatics (LIPIcs), Volume 27, pp. 205-211, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2014)
https://doi.org/10.4230/LIPIcs.TQC.2014.205
Abstract
In this paper we design a protocol to extract random bits with an arbitrarily low bias from a single arbitrarily weak min-entropy block source in a device independent setting. The protocol employs Mermin devices that exhibit super-classical correlations. Number of devices used scales polynomially in the length of the block n, containing entropy of at least two bits. Our protocol is robust, it can tolerate devices that malfunction with a probability dropping polynomially in n at the cost of constant increase of the number of devices used.
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Keywords
- Randomness Extraction
- Device Independence
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