Article

Listening to disorder: acoustic physical unclonable functions for audio-enabled secure authentication

2026-05-14

Abstract excerpt

<title>Abstract</title> <p>Acoustic signals offer a rich yet largely untapped physical medium for secure information encoding, anti-counterfeiting, and authentication. Here, we introduce an acoustic physical unclonable function (A-PUF) that leverage ubiquitous sound as an unpredictable excitation to generate high-entropy physical signatures. The A-PUFs are based on a composite magnetic medium comprising chromium...

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Literature Corpus work: 606639f0-a394-5aae-966b-2fe9619cb758
DOI: 10.21203/rs.3.rs-9353152/v1

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