The Governing Council of the University of Toronto
$203,390.00 CAD
- Department
- National Research Council Canada
- Recipient country
- Canada
- Fiscal year
- 2024-2025
- Agreement period
- November 4, 2024 – March 31, 2026
- Reference
- nrc-cnrc:172-2024-2025-Q3-1014712
Published purpose
Existing key management systems using Quantum Key Distribution (QKD) technology are based on trusted relays in order to overcome the distance limitations of QKD solutions. This approach has a strong drawback: the attack surface of these systems is proportional to the number of the nodes, as a single compromised relay can potentially learn the keys of all users. This project will implement a different approach to integrate Twin-Field (TF) QKD in scalable infrastructure, by relying on a distributed trust architecture named Distributed Symmetric Key Exchange (DSKE). The combination of DSKE and TF-QKD allows to build a scalable network, called DSK
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