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cs.CR updates on arXiv.org

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Quantum multi-factor authentication
Hazel Murray, David Malone · 2021-10-11 · via cs.CR updates on arXiv.org

We present a quantum multi-factor authentication mechanism based on the hidden-matching quantum communication complexity problem. It offers step-up graded authentication for users via a quantum token. In this paper, we outline the protocol, demonstrate that it can be used in a largely classical setting, explain how it can be implemented in SASL, and discuss arising security features. We also offer a comparison between our mechanism and current state-of-the-art multi-factor authentication mechanisms.