Research on Caffeinated Petručeņa https://kpetrucena.lv/research/ Recent content in Research on Caffeinated Petručeņa Hugo en-us Wed, 01 Apr 2026 00:00:00 +0000 Topology-Oblivious Random-Walk Key Relaying in Quantum Key Distribution Networks https://kpetrucena.lv/research/2026-04-topology-oblivious-random-walk-key-relaying/ Wed, 01 Apr 2026 00:00:00 +0000 https://kpetrucena.lv/research/2026-04-topology-oblivious-random-walk-key-relaying/ A preprint on decentralized random-walk-based key relaying strategies in QKD networks. The Butterfly Protocol: Secure Symmetric Key Exchange and Mutual Authentication via Remote QKD Nodes https://kpetrucena.lv/research/2026-01-the-butterfly-protocol/ Thu, 01 Jan 2026 00:00:00 +0000 https://kpetrucena.lv/research/2026-01-the-butterfly-protocol/ A protocol design for symmetric key exchange and mutual authentication using remote QKD nodes. Integrating Remote Quantum Random Number Generator as a Shared Resource into GNU/Linux via D-Bus https://kpetrucena.lv/research/2025-11-integrating-remote-qrng-dbus/ Sat, 01 Nov 2025 00:00:00 +0000 https://kpetrucena.lv/research/2025-11-integrating-remote-qrng-dbus/ A Linux-first integration of remote QRNG entropy via D-Bus, designed for secure multi-client consumption. An Information-Theoretically Secure QKD Protocol for One-Time Pad Encryption https://kpetrucena.lv/research/2025-10-information-theoretically-secure-qkd-otp/ Wed, 01 Oct 2025 00:00:00 +0000 https://kpetrucena.lv/research/2025-10-information-theoretically-secure-qkd-otp/ A QKD protocol intended for one-time pad usage with information-theoretic security goals. Integration of PQC and QKD: Applications, Challenges and Implementation Frameworks https://kpetrucena.lv/research/2025-10-pqc-and-qkd-integration-framework/ Wed, 01 Oct 2025 00:00:00 +0000 https://kpetrucena.lv/research/2025-10-pqc-and-qkd-integration-framework/ A framework-oriented view on combining PQC and QKD in hybrid quantum-safe systems. Towards Quantum Telecommunications: Point of View of the Implementation Task of the Experimental Quantum Key Distribution Backbone Deployment Project https://kpetrucena.lv/research/2024-12-towards-quantum-telecommunications/ Sun, 01 Dec 2024 00:00:00 +0000 https://kpetrucena.lv/research/2024-12-towards-quantum-telecommunications/ Implementation-centric perspective on deploying an experimental QKD backbone. Hybrid QKD-based framework for secure enterprise communication system https://kpetrucena.lv/research/2024-01-hybrid-qkd-framework-enterprise-communication/ Mon, 01 Jan 2024 00:00:00 +0000 https://kpetrucena.lv/research/2024-01-hybrid-qkd-framework-enterprise-communication/ A hybrid QKD-oriented architecture for enterprise-grade secure communications. Quantum Key Distribution as a Service and Its Injection into TLS https://kpetrucena.lv/research/2023-11-qkd-as-a-service-tls/ Wed, 01 Nov 2023 00:00:00 +0000 https://kpetrucena.lv/research/2023-11-qkd-as-a-service-tls/ A service-oriented approach for injecting QKD key material into TLS workflows.