Caffeinated Petručeņa Quantum Key Distribution • Software Architecture • Confidential Computing

Blog

Notes on engineering, security, olympiad work, and occasional project retrospectives.

Latvia at BOI 2026 (Espoo)

Latvia has participated in the Baltic Olympiad in Informatics since 1995. BOI 2026 took place in the Helsinki metropolitan area (Aalto University, Espoo), and the Latvian team returned with three bronze medals.

Problems with ETSI GS QKD 014 v1.1.1

Quantum Key Delivery (QKD) can detect eavesdropping on a communication channel. ETSI GS QKD 014 helped standardize QKD key delivery northbound API, but its model is too narrow. This post argues that the standard underspecifies SAE identity binding, authorization, key sizing, bulk delivery, and buffering.