A hands-on quantum cryptography workshop for pre-university students

We developed a modified version of a conventional (BB84) quantum key distribution protocol that can be understood and implemented by students at a pre-university level. We intentionally introduce a subtle but critical simplification to the original protocol, allowing the experiment to be assembled a...

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Bibliographic Details
Published in:American journal of physics 2020-12, Vol.88 (12), p.1094-1102
Main Authors: Utama, Adrian Nugraha, Lee, Jianwei, Seidler, Mathias Alexander
Format: Article
Language:English
Subjects:
Cryptography
Hackers
Quantum theory
Security
Studies
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Summary:We developed a modified version of a conventional (BB84) quantum key distribution protocol that can be understood and implemented by students at a pre-university level. We intentionally introduce a subtle but critical simplification to the original protocol, allowing the experiment to be assembled at the skill level appropriate for the students, at the cost of creating a security loophole. The security vulnerability is then exploited by student hackers, allowing the participants to think deeper about the underlying physics that makes the protocol secure in its original form.
ISSN:0002-9505
1943-2909
DOI:10.1119/10.0001895