Experimental side channel analysis of BB84 QKD source

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dc.contributor.author Biswas, Ayan
dc.contributor.author Banerji, Anindya
dc.contributor.author Chandravashi, Pooja
dc.contributor.author Kumar, Rupesh
dc.contributor.author Singh, Ravindra P.
dc.coverage.spatial United States of America
dc.date.accessioned 2012-10-22T15:30:41Z
dc.date.available 2012-10-22T15:30:41Z
dc.date.issued 2021-12
dc.identifier.citation Biswas, Ayan; Banerji, Anindya; Chandravashi, Pooja; Kumar, Rupesh and Singh, Ravindra P., “Experimental side channel analysis of BB84 QKD source”, IEEE Journal of Quantum Electronics, DOI: 10.1109/JQE.2021.3111332, vol. 57, no. 6, Dec. 2021. en_US
dc.identifier.issn 0018-9197
dc.identifier.issn 1558-1713
dc.identifier.uri http://dx.doi.org/10.1109/JQE.2021.3111332
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/6920
dc.description.abstract A typical implementation of BB84 protocol for quantum communication uses four laser diodes for transmitting weak coherent pulses, which may not have the same characteristics. We have characterized these lasers for mismatch in various parameters such as spectral width, pulse width, spatial mode, peak wavelength, polarization and their arrival times at the receiver. This information is utilized to calculate possible information leakage through side channel attacks by evaluating mutual information between source and eavesdropper. Based on our experimental observations of cross correlation between parameter values for different laser diodes, we suggest methods to reduce information leakage to Eve.
dc.description.statementofresponsibility by Ayan Biswas, Anindya Banerji, Pooja Chandravanshi, Rupesh Kumar and Ravindra P. Singh
dc.format.extent vol. 57, no. 6
dc.language.iso en_US en_US
dc.publisher Institute of Electrical and Electronics Engineers en_US
dc.subject Quantum key distribution en_US
dc.subject Side channel en_US
dc.subject Cross-correlation en_US
dc.subject Quantum communication en_US
dc.title Experimental side channel analysis of BB84 QKD source en_US
dc.type Article en_US
dc.relation.journal IEEE Journal of Quantum Electronics

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