The debate over QKD: A rebuttal to the NSA's objections

07/27/2023

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by   Renato Renner, et al.

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A recent publication by the NSA assessing the usability of quantum cryptography has generated significant attention, concluding that this technology is not recommended for use. Here, we reply to this criticism and argue that some of the points raised are unjustified, whereas others are problematic now but can be expected to be resolved in the foreseeable future.