Device-independent randomness extraction for arbitrarily weak min-entropy source
| Authors | |
|---|---|
| Year of publication | 2014 |
| Type | Article in Proceedings |
| Conference | EMERGING TECHNOLOGIES IN SECURITY AND DEFENCE II AND QUANTUM-PHYSICS-BASED INFORMATION SECURITY III |
| MU Faculty or unit | |
| Citation | |
| Doi | http://dx.doi.org/10.1117/12.2071568 |
| Field | Informatics |
| Keywords | randomness extraction; device independent; quantum information |
| Description | 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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