asymmetric-cloning-bb84
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- Host: GitHub
- Owner: egrace479
- License: mit
- Language: Jupyter Notebook
- Default Branch: main
- Homepage: https://arxiv.org/abs/2409.16284
- Size: 14.7 MB
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README.md
Asymmetric Phase-Covariant Cloning to Eavesdrop on BB84
This repository contains the continuation of the QuForce Innovation Fellows Project: Asymmetric Cloning to Eavesdrop on BB84 Protocol, which was completed by Elizabeth Campolongo, Brian Pigott, and Hardik Routray with advice from Alex Khan. The original project was selected for 1st Place on Demo Day in August 2022, slides available on the original project repo, recording of Demo Day and more information on QuForce is available in this Quantum Insider Article. Our paper on these results, Eavesdropping on the BB84 Protocol using Phase-Covariant Cloning: Experimental Results, is available on arXiv.
The BB84 protocol is known to be a secure method of quantum key distribution, even in the case when an eavesdropper has unlimited resources at their disposal. However, the security of the protocol is only obtained below the level of noise that occurs in the quantum channel. The purpose of this project is twofold:
Develop an optimal strategy for an eavesdropper who is using asymmetric cloning; that is, develop and implement a strategy that gives the eavesdropper maximum information about the channel while minimizing the disturbance to the signal.
Consider the Quantum Bit Error Rate (QBER) in a lossy quantum channel with the presence of the eavesdropping strategy developed in (1) and implement error-correcting algorithms to derive a secure key.
Here we develop a reproducible test to determine the security--or lack thereof--of the BB84 protocol in practice. With this test, we measure how much information an eavesdropper can obtain about a raw key when transmitted under the BB84 protocol using the optimal eavesdropping approach (asymmetric phase-covariant cloning). Here we provide the code used in running experiments simulating BB84, which we implemented on the IonQ Harmony quantum computer, to uncover these quantities Thus we obtain an experimental estimate of the information that can be gained by an adversary using asymmetric phase-covariant cloning to eavesdrop on the BB84 protocol.
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- Login: egrace479
- Kind: user
- Repositories: 2
- Profile: https://github.com/egrace479
Citation (CITATION.cff)
cff-version: 1.2.0
message: If you use this software, please cite it using these metadata and also cite our paper.
title: My Research Software
abstract: Though the BB84 protocol has provable security over a noiseless quantum channel, the security is not proven over current noisy technology. The level of tolerable error on such systems is still unclear, as is how much information about a raw key may be obtained by an eavesdropper. We develop a reproducible test to determine the security--or lack thereof--of the protocol in practice. This enables us to obtain an experimental estimate of the information that can be obtained using asymmetric phase-covariant cloning to eavesdrop on the BB84 protocol.
authors:
- family-names: "Pigott"
given-names: "Brian"
orcid: "https://orcid.org/0000-0002-5658-3618"
- family-names: "Campolongo"
given-names: "Elizabeth G."
orcid: "https://orcid.org/0000-0003-0846-2413"
- family-names: "Routray"
given-names: "Hardik"
orcid: "https://orcid.org/0000-0002-9694-4625"
- name: "Asymmetric Phase-Covariant Cloning to Eavesdrop on BB84"
version: 1.0.0
date-released: "2024-10-21"
identifiers:
- description: "The commit with the code as used in experiments reported in arXiv paper 10.48550/arXiv.2409.16284"
type: url
value: "https://github.com/egrace479/asymmetric-cloning-BB84/tree/176b2304b3aabb84287215260045f0fb5edda93c"
license: mit
repository-code: "https://github.com/egrace479/asymmetric-cloning-BB84"
preferred-citation:
type: article
authors:
- family-names: "Pigott"
given-names: "Brian"
- family-names: "Campolongo"
given-names: "Elizabeth G."
- family-names: "Routray"
given-names: "Hardik"
title: "Eavesdropping on the BB84 Protocol using Phase-Covariant Cloning: Experimental Results"
year: 2024
journal: arXiv
doi: "10.48550/arXiv.2409.16284"
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