3 papers
cs.CR2026
bpK#: Delegatable Pseudonyms And Their Applications to National eID Systems
Stephan Krenn, Doryan Lesaignoux, Sebastian Ramacher
Electronic identities (eIDs) are crucial in an increasingly digitalized environment. Pseudonyms, as offered by Austria's governmental sector-specific personal identifiers (bPks), c…
cs.CR2026
Topology-Hiding Connectivity-Assurance for QKD Inter-Networking
Margherita Cozzolino, Stephan Krenn, Thomas Lorünser
While QKD ensures information-theoretic security at the link level, real-world deployments depend on trusted repeaters, creating potential vulnerabilities. In this paper, we thus i…
quant-ph2026
Topology-Hiding Path Validation for Large-Scale Quantum Key Distribution Networks
Stephan Krenn, Omid Mir, Thomas Lorünser +2
Secure long-distance communication in quantum key distribution (QKD) networks depends on trusted repeater nodes along the entire transmission path. Consequently, these nodes will b…