Felix Günther

According to our database, Felix Günther authored at least 52 papers between 2011 and 2025.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of three.

2025

XHMQV: Better Efficiency and Stronger Security for Signal's Initial Handshake based on HMQV.

Rune Fiedler, Felix Günther, Jiaxin Pan, Runzhi Zeng

IACR Cryptol. ePrint Arch., 2025

Security Analysis of Signal's sfPQXDH Handshake.

Rune Fiedler, Felix Günther

Proceedings of the Public-Key Cryptography - PKC 2025, 2025

Key Derivation Functions Without a Grain of Salt.

Matilda Backendal, Sebastian Clermont, Marc Fischlin, Felix Günther

Proceedings of the Advances in Cryptology - EUROCRYPT 2025, 2025

Hybrid Obfuscated Key Exchange and KEMs.

Felix Günther, Michael Rosenberg, Douglas Stebila, Shannon Veitch

Proceedings of the Advances in Cryptology - CRYPTO 2025, 2025

Verifiable Decapsulation: Recognizing Faulty Implementations of Post-quantum KEMs.

Lewis Glabush, Felix Günther, Kathrin Hövelmanns, Douglas Stebila

Proceedings of the Advances in Cryptology - CRYPTO 2025, 2025

sfXHMQV: Better Efficiency and Stronger Security for Signal's Initial Handshake based on HMQV.

Rune Fiedler, Felix Günther, Jiaxin Pan, Runzhi Zeng

Proceedings of the Advances in Cryptology - CRYPTO 2025, 2025

Breaking and Fixing Content-Defined Chunking.

Kien Tuong Truong, Simon-Philipp Merz, Matteo Scarlata, Felix Günther, Kenneth G. Paterson

Proceedings of the 2025 ACM SIGSAC Conference on Computer and Communications Security, 2025

2024

Security Analysis of Signal's PQXDH Handshake.

Rune Fiedler, Felix Günther

IACR Cryptol. ePrint Arch., 2024

A Formal Treatment of End-to-End Encrypted Cloud Storage.

Matilda Backendal, Hannah Davis, Felix Günther, Miro Haller, Kenneth G. Paterson

Proceedings of the Advances in Cryptology - CRYPTO 2024, 2024

Obfuscated Key Exchange.

Felix Günther, Douglas Stebila, Shannon Veitch

Proceedings of the 2024 on ACM SIGSAC Conference on Computer and Communications Security, 2024

2023

Careful with MAc-then-SIGn: A Computational Analysis of the EDHOC Lightweight Authenticated Key Exchange Protocol.

Felix Günther, Marc Ilunga Tshibumbu Mukendi

Proceedings of the 8th IEEE European Symposium on Security and Privacy, 2023

When Messages Are Keys: Is HMAC a Dual-PRF?

Matilda Backendal, Mihir Bellare, Felix Günther, Matteo Scarlata

Proceedings of the Advances in Cryptology - CRYPTO 2023, 2023

Verifiable Verification in Cryptographic Protocols.

Marc Fischlin, Felix Günther

Proceedings of the 2023 ACM SIGSAC Conference on Computer and Communications Security, 2023

2022

Post-quantum Asynchronous Deniable Key Exchange and the Signal Handshake.

Jacqueline Brendel, Rune Fiedler, Felix Günther, Christian Janson, Douglas Stebila

Proceedings of the Public-Key Cryptography - PKC 2022, 2022

On the Concrete Security of TLS 1.3 PSK Mode.

Hannah Davis, Denis Diemert, Felix Günther, Tibor Jager

Proceedings of the Advances in Cryptology - EUROCRYPT 2022 - 41st Annual International Conference on the Theory and Applications of Cryptographic Techniques, Trondheim, Norway, May 30, 2022

Continuous Authentication in Secure Messaging.

Benjamin Dowling, Felix Günther, Alexandre Poirrier

Proceedings of the Computer Security - ESORICS 2022, 2022

Puncturable Key Wrapping and Its Applications.

Matilda Backendal, Felix Günther, Kenneth G. Paterson

Proceedings of the Advances in Cryptology - ASIACRYPT 2022, 2022

KEMTLS with Delayed Forward Identity Protection in (Almost) a Single Round Trip.

Felix Günther, Simon Rastikian, Patrick Towa, Thom Wiggers

Proceedings of the Applied Cryptography and Network Security, 2022

2021

The Status of Quantum-Key-Distribution-Based Long-Term Secure Internet Communication.

Matthias Geihs, Oleg Nikiforov, Denise Demirel, Alexander Sauer, Denis Butin, Felix Günther, Gernot Alber, Thomas Walther, Johannes Buchmann

IEEE Trans. Sustain. Comput., 2021

KEMTLS with Delayed Forward Identity Protection in (Almost) a Single Round Trip.

Felix Günther, Patrick Towa

IACR Cryptol. ePrint Arch., 2021

The Security of ChaCha20-Poly1305 in the Multi-User Setting.

Jean Paul Degabriele, Jérôme Govinden, Felix Günther, Kenneth G. Paterson

Proceedings of the CCS '21: 2021 ACM SIGSAC Conference on Computer and Communications Security, Virtual Event, Republic of Korea, November 15, 2021

Tighter Proofs for the SIGMA and TLS 1.3 Key Exchange Protocols.

Hannah Davis, Felix Günther

Proceedings of the Applied Cryptography and Network Security, 2021

2020

Modeling advanced security aspects of key exchange and secure channel protocols.

Felix Günther

it Inf. Technol., 2020

Robust Channels: Handling Unreliable Networks in the Record Layers of QUIC and DTLS 1.3.

Marc Fischlin, Felix Günther, Christian Janson

IACR Cryptol. ePrint Arch., 2020

A Cryptographic Analysis of the TLS 1.3 Handshake Protocol.

Benjamin Dowling, Marc Fischlin, Felix Günther, Douglas Stebila

IACR Cryptol. ePrint Arch., 2020

Towards Post-Quantum Security for Signal's X3DH Handshake.

Jacqueline Brendel, Marc Fischlin, Felix Günther, Christian Janson, Douglas Stebila

Proceedings of the Selected Areas in Cryptography - SAC 2020, 2020

Information-Theoretic Security of Cryptographic Channels.

Marc Fischlin, Felix Günther, Philipp Muth

Proceedings of the Information and Communications Security - 22nd International Conference, 2020

Separate Your Domains: NIST PQC KEMs, Oracle Cloning and Read-Only Indifferentiability.

Mihir Bellare, Hannah Davis, Felix Günther

Proceedings of the Advances in Cryptology - EUROCRYPT 2020, 2020

Modeling Memory Faults in Signature and Authenticated Encryption Schemes.

Marc Fischlin, Felix Günther

Proceedings of the Topics in Cryptology - CT-RSA 2020, 2020

2019

Modeling Memory Faults in Signature and Encryption Schemes.

Marc Fischlin, Felix Günther

IACR Cryptol. ePrint Arch., 2019

Challenges in Proving Post-Quantum Key Exchanges Based on Key Encapsulation Mechanisms.

Jacqueline Brendel, Marc Fischlin, Felix Günther, Christian Janson, Douglas Stebila

IACR Cryptol. ePrint Arch., 2019

Breakdown Resilience of Key Exchange Protocols: NewHope, TLS 1.3, and Hybrids.

Jacqueline Brendel, Marc Fischlin, Felix Günther

Proceedings of the Computer Security - ESORICS 2019, 2019

2018

Modeling Advanced Security Aspects of Key Exchange and Secure Channel Protocols.

Felix Günther

PhD thesis, 2018

2017

Breakdown Resilience of Key Exchange Protocols and the Cases of NewHope and TLS 1.3.

Jacqueline Brendel, Marc Fischlin, Felix Günther

IACR Cryptol. ePrint Arch., 2017

The Status of Quantum-Based Long-Term Secure Communication over the Internet.

Matthias Geihs, Oleg Nikiforov, Denise Demirel, Alexander Sauer, Denis Butin, Felix Günther, Gernot Alber, Thomas Walther, Johannes Buchmann

CoRR, 2017

CogniCrypt: supporting developers in using cryptography.

Stefan Krüger, Sarah Nadi, Michael Reif, Karim Ali, Mira Mezini, Eric Bodden, Florian Göpfert, Felix Günther, Christian Weinert, Daniel Demmler, Ram Kamath

Proceedings of the 32nd IEEE/ACM International Conference on Automated Software Engineering, 2017

Replay Attacks on Zero Round-Trip Time: The Case of the TLS 1.3 Handshake Candidates.

Marc Fischlin, Felix Günther

Proceedings of the 2017 IEEE European Symposium on Security and Privacy, 2017

0-RTT Key Exchange with Full Forward Secrecy.

Felix Günther, Britta Hale, Tibor Jager, Sebastian Lauer

Proceedings of the Advances in Cryptology - EUROCRYPT 2017 - 36th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Paris, France, April 30, 2017

PRF-ODH: Relations, Instantiations, and Impossibility Results.

Jacqueline Brendel, Marc Fischlin, Felix Günther, Christian Janson

Proceedings of the Advances in Cryptology - CRYPTO 2017, 2017

A Formal Treatment of Multi-key Channels.

Felix Günther, Sogol Mazaheri

Proceedings of the Advances in Cryptology - CRYPTO 2017, 2017

2016

A Cryptographic Analysis of the TLS 1.3 draft-10 Full and Pre-shared Key Handshake Protocol.

Benjamin Dowling, Marc Fischlin, Felix Günther, Douglas Stebila

IACR Cryptol. ePrint Arch., 2016

Key Confirmation in Key Exchange: A Formal Treatment and Implications for TLS 1.3.

Marc Fischlin, Felix Günther, Benedikt Schmidt, Bogdan Warinschi

Proceedings of the IEEE Symposium on Security and Privacy, 2016

Secure Logging Schemes and Certificate Transparency.

Benjamin Dowling, Felix Günther, Udyani Herath, Douglas Stebila

Proceedings of the Computer Security - ESORICS 2016, 2016

2015

Data Is a Stream: Security of Stream-Based Channels.

Marc Fischlin, Felix Günther, Giorgia Azzurra Marson, Kenneth G. Paterson

Proceedings of the Advances in Cryptology - CRYPTO 2015, 2015

A Cryptographic Analysis of the TLS 1.3 Handshake Protocol Candidates.

Benjamin Dowling, Marc Fischlin, Felix Günther, Douglas Stebila

Proceedings of the 22nd ACM SIGSAC Conference on Computer and Communications Security, 2015

Linkable Message Tagging: Solving the Key Distribution Problem of Signature Schemes.

Felix Günther, Bertram Poettering

Proceedings of the Information Security and Privacy - 20th Australasian Conference, 2015

2014

Unpicking PLAID - A Cryptographic Analysis of an ISO-Standards-Track Authentication Protocol.

Jean Paul Degabriele, Victoria Fehr, Marc Fischlin, Tommaso Gagliardoni, Felix Günther, Giorgia Azzurra Marson, Arno Mittelbach, Kenneth G. Paterson

Proceedings of the Security Standardisation Research - First International Conference, 2014

Multi-Stage Key Exchange and the Case of Google's QUIC Protocol.

Marc Fischlin, Felix Günther

Proceedings of the 2014 ACM SIGSAC Conference on Computer and Communications Security, 2014

Privacy-Enhanced Participatory Sensing with Collusion Resistance and Data Aggregation.

Felix Günther, Mark Manulis, Andreas Peter

Proceedings of the Cryptology and Network Security - 13th International Conference, 2014

2013

Pseudorandom signatures.

Nils Fleischhacker, Felix Günther, Franziskus Kiefer, Mark Manulis, Bertram Poettering

Proceedings of the 8th ACM Symposium on Information, Computer and Communications Security, 2013

2011

Key management in distributed online social networks.

Felix Günther, Mark Manulis, Thorsten Strufe

Proceedings of the 12th IEEE International Symposium on a World of Wireless, 2011

Cryptographic Treatment of Private User Profiles.

Felix Günther, Mark Manulis, Thorsten Strufe

Proceedings of the Financial Cryptography and Data Security, 2011