Christoph Coijanovic

M. Sc. Christoph Coijanovic

Über den Wissenschaftler

Christoph Coijanovic ist ein PhD-Student am Lehrstuhl für Praktische IT Sicherheit am KIT. Seine Forschung konzentriert sich darauf, Privacy-Garantien für anonyme Kommunikationsnetzwerke zu formalisieren und zu beweisen, im Besonderen im Kontext von Gruppenkommunikation. In 2024 hatte er einen Forschungsaufenthalt bei der Applied Crypto Gruppe von Kenny Paterson an der ETH Zürich.

Betreute Abschlussarbeiten

Kontakt auch über [Matrix]

Titel Person Qualifikation Abschlussjahr
Evaluating Potential Attacks Against the Nym Network Kristina Prpoš Bachelor 2025
Towards Efficient Sender-Anonymity in Mobile Ad-Hoc Networks Alexander Linder Master 2024
Poodel — Anonymous Group Calls Based on Mix Networks Robin Koenig Master 2023
PolySphinx - Extending the Sphinx Mix Network with Better Multicast Support Daniel Schadt Master 2022
Towards Anonymus Group Voice Calls Akim Romain Stark Master 2022
Distinguishing Cover Traffic Through Timing Analysis at the Example of Vuvuzela Dmitrii Kuklev Bachelor 2022
Analysis and Improvement of Signal’s Group Communication Sophie Bräuniger Bachelor 2022
Analysis and comparison of privacy protection in cash and payment channel network protocols Lennart Bunjes Bachelor 2022
Störsignal: Adding Cover Traffic to the Signal Messaging App Philip Rosenstock Bachelor 2021
Evaluation von digitalen Signaturalalgorithmen hinsichtlich Signals Gruppenmanagement Fritz Marvin Hund Bachelor 2021
Lehrveranstaltungen
Titel Typ Semester
Vorlesung Sommer 2025
Vorlesung Sommer 2024
Vorlesung Sommer 2023
Seminar Winter 2022/2023

Publikationen


Aimless Onions: Mixing without Topology Information
Schadt, D.; Coijanovic, C.; Strufe, T.
2025. Proceedings on Privacy Enhancing Technologies, 2025 (4), 293–307. doi:10.56553/popets-2025-0131
Pirates: Anonymous Group Calls over Fully Untrusted Infrastructure
Coijanovic, C.; Stark, A.; Schadt, D.; Strufe, T.
2024. Information Security and Privacy – 29th Australasian Conference, ACISP 2024, Sydney, NSW, Australia, July 15–17, 2024, Proceedings, Part III. Ed.: T. Zhu, 193 – 212, Springer Nature Singapore. doi:10.1007/978-981-97-5101-3_11
Panini — Anonymous Anycast and an Instantiation
Coijanovic, C.; Weis, C.; Strufe, T.
2024. Computer Security – ESORICS 2023 – 28th European Symposium on Research in Computer Security : The Hague, The Netherlands, September 25–29, 2023, Proceedings, Part II. Ed.: G. Tsudik, 193 – 211, Springer, Cham. doi:10.1007/978-3-031-51476-0_10
BAZAAR: Anonymous Resource Sharing
Coijanovic, C.; Schadt, D.; Weis, C.; Strufe, T.
2023. WPES ’23: Proceedings of the 22nd Workshop on Privacy in the Electronic Society, Kopenhagen, 26th November 2023, 135–139, Association for Computing Machinery (ACM). doi:10.1145/3603216.3624957
PolySphinx: Extending the Sphinx Mix Format With Better Multicast Support
Schadt, D.; Coijanovic, C.; Weis, C.; Strufe, T.
2024. 2024 IEEE Symposium on Security and Privacy (SP), 44–44, IEEE Computer Society. doi:10.1109/SP54263.2024.00044
2PPS – Publish/Subscribe with Provable Privacy
Abdelwahab Gaballah, S.; Coijanovic, C.; Strufe, T.; Mühlhäuser, M.
2021. 40th International Symposium on Reliable Distributed Systems (SRDS), Chicago, IL, USA, 20-23 Sept. 2021. Vol.: 1, 198–209, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/SRDS53918.2021.00028