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Q: Fachverband Quantenoptik und Photonik

Q 63: Poster – Quantum Information (joint session QI/Q)

Q 63.13: Poster

Donnerstag, 13. März 2025, 17:00–19:00, Tent

Implementing post-processing algorithms for a star-shaped quantum key hub — •Tobias Liebmann, Maximilian Tippmann, and Thomas Walther — TU Darmstadt, Institute of Applied Physics, 64289 Darmstadt

The recent advances in quantum computing pose a threat to the security of conventional cryptographic algorithms like the Rivest-Shamir-Adleman (RSA) public key scheme. In particular, Shor's algorithm makes it possible to decode such encryption in polynomial time. Quantum key distribution (QKD) offers a solution to this problem, which not only provides computational security like post-quantum cryptography but information theoretic security. However, to ensure this level of security, the exchanged raw quantum keys must undergo a detailed post-processing procedure. We present recent advances regarding the implementation of the post-processing algorithms on our star-shaped QKD network.

Keywords: Post-Processing; Quantum key distribution