Fully device independent quantum key distribution
By Umesh V. Vazirani, Thomas Vidick. Communications of the ACM, 2012
478 citations recorded by the source corpus.
Quantum cryptography promises levels of security that are impossible to attain in a classical world. Can this security be guaranteed to classical users of a quantum protocol, who may not even trust the quantum devices used to implement the protocol? This central question dates back to the early 1990s when the challenge of achieving Device-Independent Quantum Key Distribution (DIQKD) was first formulated. We answer the challenge by rigorously proving the device-independent security of an entanglement-based protocol building on Ekert's original proposal for quantum key distribution. The proof of security builds on techniques from the classical theory of pseudo-randomness to achieve a new quantitative understanding of the non-local nature of quantum correlations.
Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics
View Paper: https://www.semanticscholar.org/paper/2b6649164972d2c904dbf558385a297695fb6496
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In Artificial Intelligence
In Atomic and Molecular Physics, and Optics
Citations in the corpus
- Measurements in two bases are sufficient for certifying high-dimensional entanglement (2017, background): “Quantum communication offers advantages such as enhanced security in quantum key distribution (QKD) protocols [1] and increased channel capacities [2] with respect to classical means of communication.”
- Quantum random number generators (2016, methodology): “In that respect, the described generator is a randomness expansion scheme, much similarly to what happens in Ekert’s proposal for quantum key distribution (Ekert, 1991; Vazirani and Vidick, 2014).”
- Advances in quantum cryptography (2019, unknown): “[169] U.”