Detector-device-independent quantum key distribution: Security analysis and fast implementation
Abstract
One of the most pressing issues in quantum key distribution (QKD) is the problem of detector side-channel attacks. To overcome this problem, researchers proposed an elegant “time-reversal” QKD protocol called measurement-device-independent QKD (MDI-QKD), which is based on time-reversed entanglement swapping. However, MDI-QKD is more challenging to implement than standard point-to-point QKD. Recently, an intermediary QKD protocol called detector-device-independent QKD (DDI-QKD) has been proposed to overcome the drawbacks of MDI-QKD, with the hope that it would eventually lead to a more efficient detector side-channel-free QKD system. Here, we analyze the security of DDI-QKD and elucidate its security assumptions. We find that DDI-QKD is not equivalent to MDI-QKD, but its security can be demonstrated with reasonable assumptions. On the more practical side, we consider the feasibility of DDI-QKD and present a fast experimental demonstration (clocked at 625 MHz), capable of secret key exchange up to more than 90 km.
- Authors:
-
[1];
- Univ. of Geneva (Switzerland)
- Univ. of Geneva (Switzerland); ID Quantique, SA, Carouge, Geneva (Swizterland)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1295142
- Alternate Identifier(s):
- OSTI ID: 1420631
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Applied Physics
- Additional Journal Information:
- Journal Volume: 120; Journal Issue: 6; Journal ID: ISSN 0021-8979
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Boaron, Alberto, Korzh, Boris, Houlmann, Raphael, Boso, Gianluca, Lim, Charles Ci Wen, Martin, Anthony, and Zbinden, Hugo. Detector-device-independent quantum key distribution: Security analysis and fast implementation. United States: N. p., 2016.
Web. doi:10.1063/1.4960093.
Boaron, Alberto, Korzh, Boris, Houlmann, Raphael, Boso, Gianluca, Lim, Charles Ci Wen, Martin, Anthony, & Zbinden, Hugo. Detector-device-independent quantum key distribution: Security analysis and fast implementation. United States. https://doi.org/10.1063/1.4960093
Boaron, Alberto, Korzh, Boris, Houlmann, Raphael, Boso, Gianluca, Lim, Charles Ci Wen, Martin, Anthony, and Zbinden, Hugo. Tue .
"Detector-device-independent quantum key distribution: Security analysis and fast implementation". United States. https://doi.org/10.1063/1.4960093. https://www.osti.gov/servlets/purl/1295142.
@article{osti_1295142,
title = {Detector-device-independent quantum key distribution: Security analysis and fast implementation},
author = {Boaron, Alberto and Korzh, Boris and Houlmann, Raphael and Boso, Gianluca and Lim, Charles Ci Wen and Martin, Anthony and Zbinden, Hugo},
abstractNote = {One of the most pressing issues in quantum key distribution (QKD) is the problem of detector side-channel attacks. To overcome this problem, researchers proposed an elegant “time-reversal” QKD protocol called measurement-device-independent QKD (MDI-QKD), which is based on time-reversed entanglement swapping. However, MDI-QKD is more challenging to implement than standard point-to-point QKD. Recently, an intermediary QKD protocol called detector-device-independent QKD (DDI-QKD) has been proposed to overcome the drawbacks of MDI-QKD, with the hope that it would eventually lead to a more efficient detector side-channel-free QKD system. Here, we analyze the security of DDI-QKD and elucidate its security assumptions. We find that DDI-QKD is not equivalent to MDI-QKD, but its security can be demonstrated with reasonable assumptions. On the more practical side, we consider the feasibility of DDI-QKD and present a fast experimental demonstration (clocked at 625 MHz), capable of secret key exchange up to more than 90 km.},
doi = {10.1063/1.4960093},
journal = {Journal of Applied Physics},
number = 6,
volume = 120,
place = {United States},
year = {Tue Aug 09 00:00:00 EDT 2016},
month = {Tue Aug 09 00:00:00 EDT 2016}
}
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