Publications

Stephan Krenn, Omid Mir, and Daniel Slamanig

Structure-Preserving Compressing Primitives: Vector Commitments and Accumulators and Applications

In: Public-Key Cryptography – PKC 2026, Springer, West Palm Beach, USA, 2026.

[eprint]

Christoph Döberl, Wolfgang Eibner, Hannes Hübel, Manuela Kos, Florian Kutschera, Stephan Laschet, Andreas Neuhold, Sebastian Ramacher, Philipp Stanzer, and Werner Strasser

Implementation of a Hybrid QKD/PQC Network and Applications

In: Proceedings of the International Conference on Quantum Communications, Networking, and Computing (QCNC 2026), IEEE, Kobe, Japan, 2026.

Konstantinos Tsimvrakidis, Alkinoos Papageorgopoulos, Stephan Laschet, Florian Kutschera, Paul James, Luca Torresetti, Sebastian Ramacher, Nikolas Makris, Persefoni Konteli, Jaime S. Buruaga, Rafael J. Vicente, Yorlandy Lobaina, Juan Pedro Brito, Petros Papapetropoulos, Ilias Papastamatiou, Hannes Hübel, Vicente Martin, and George T. Kanellos

Interoperable Multi-Vendor, Multi-Domain, Multi-Layer, Multi-Service Quantum Key Distribution Network Field-Trial

In: Proceedings of the International Conference on Quantum Communications, Networking, and Computing (QCNC 2026), IEEE, Kobe, Japan, 2026.

Stephan Laschet, Gergely Lendvay, Thomas Lorünser, Paul James, Luca Torresetti, and Alessandro Colombo

Software Defined Networks and Key Relay for Large-Scale Quantum Key Distribution Networks

In: Proceedings of the International Conference on Quantum Communications, Networking, and Computing (QCNC 2026), IEEE, Kobe, Japan, 2026.

Margherita Cozzolino, Stephan Krenn, and Thomas Lorünser

Topology-Hiding Connectivity-Assurance for QKD Inter-Networking

In: Proceedings of the International Conference on Quantum Communications, Networking, and Computing (QCNC 2026), IEEE, Kobe, Japan, 2026.

[arXiv]

Andreas Neuhold, Sebastian Ramacher, and Paul Spooren

PQC-Enhanced QKD Networks: A Layered Approach

In: Proceedings of the International Conference on Quantum Communications, Networking, and Computing (QCNC 2026), IEEE, Kobe, Japan, 2026.

S. Krenn, D. Lesaignoux, and S. Ramacher

bPk$^#$: Delegatable Pseudonyms and Their Applications to National eID Systems

In: Asia Conference on Computer and Communications Security – ASIA CCS 2026, ACM, 2026.

S. Krenn, O. Mir, T. Lorünser, S. Ramacher, and F. Wohner

Topology-Hiding Path Validation for Large-Scale Quantum Key Distribution Networks

In: Applied Cryptography and Network Security – ACNS 2026, Springer, 2026.

[arXiv]

Michael Taubert, Adam Skuta, and Thomas Lorünser

A Pragmatic Comparison of Cryptographic Computation Technologies for Machine Learning

In: Proceedings of the 12th International Conference on Information Systems Security and Privacy (ICISSP 2026), Volume 2, pp. 422–430, SciTePress, 2026, ISBN: 978-989-758-800-6.

[DOI]

Juan Pedro Brito Méndez, Jesús Ballesta, Rubén B. Méndez, Laura Ortiz, Rafael Cantó, Antonio Pastor, Stephan Laschet, Pietro Piscione, Ahmed K. Abdulwahed, Pietro Giardina, Gustavo Anjos, Sebastian Ramacher, Luis Maia, Ricardo Chaves, Tiago Dias, Joana Afonso, Pedro Martins, Luis Magalhães, Francisco Pinto, Margarida Vieira, Rodrigo Bacar, Rui Calé, Vicente Martin, Diego López, and Catarina Bastos

Secure Network Innovation in Defense: SDN and Quantum Cryptography with DISCRETION

In: Proceedings of the International Conference on Quantum Communications, Networking, and Computing (QCNC 2025), IEEE, Nara, Japan, 2025.

Thomas Lorünser, Sebastian Ramacher, and Federico Valbusa

Commitment Schemes from OWFs with Applications to Quantum Oblivious Transfer

In: Proceedings of the International Conference on Quantum Communications, Networking, and Computing (QCNC 2025), IEEE, Nara, Japan, 2025.

Lena Heimberger, Daniel Kales, Riccardo Lolato, Omid Mir, Sebastian Ramacher, and Christian Rechberger

Leap: A Fast, Lattice-Based OPRF with Application to Private Set Intersection

In: Fehr, Serge; Fouque, Pierre-Alain (Ed.): Advances in Cryptology - EUROCRYPT 2025 - 44th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Madrid, Spain, May 4-8, 2025, Proceedings, Part VII, pp. 254–283, Springer, 2025.

[DOI]

Federico Valbusa, Thomas Lorünser, Gabriele Spini, and Stephan Laschet

Relaxing the Single Point of Failure in Quantum Key Distribution Networks: An Overview of Multi-path Approaches

In: Skopik, Florian; Naessens, Vincent; Sutter, Bjorn De (Ed.): Availability, Reliability and Security - ARES 2025 EU Projects Symposium Workshops, Ghent, Belgium, August 11-14, 2025, Proceedings, Part I, pp. 183–200, Springer, 2025.

[DOI]

Catarina Bastos, Francisco Pinto, Rodrigo Bacar, Gustavo Anjos, Margarida Almeida, Armando Nolasco Pinto, Ricardo Chaves, Tiago Dias, Joana Afonso, Rui Calé, Miguel Freitas, Luis Maia, Luis Magalhães, Alejandro Muñiz, Rafael Cantó, Juan Pedro Brito, Jesus Ballesta, Rubén B. Méndez, Stephan Laschet, Sebastian Ramacher, Paul James, Luca Torresetti, Pietro Piscione, Ahmed K. Abdulwahed, Pietro G. Giardina, Vicente Mart'ın, Laura Ort'ız, Antonio Pastor, Nelson J. Muga, Nuno A. Silva, Diego R. López, Margarida Vieira, Carmen Escribano, and Luis Mengal

DISCRETION: First Field Demonstration of a Quantum Enabled SDN in the Context of a Military Exercise

In: International Conference on Military Communication and Information Systems, ICMCIS 2025, Oerias, Portugal, May 13-14, 2025, pp. 1–8, IEEE, 2025.

[DOI]

Suvradip Chakraborty, Dennis Hofheinz, Roman Langrehr, Jesper Buus Nielsen, Christoph Striecks, and Daniele Venturi

Malleable SNARKs and Their Applications

In: Fehr, Serge; Fouque, Pierre-Alain (Ed.): Advances in Cryptology - EUROCRYPT 2025 - 44th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Madrid, Spain, May 4-8, 2025, Proceedings, Part IV, pp. 184–213, Springer, 2025.

[DOI]

Federico Valbusa, Stephan Krenn, Thomas Lorünser, and Sebastian Ramacher

Seamless Post-Quantum Transition: Agile and Efficient Encryption for Data-at-Rest

In: Vimercati, Sabrina De Capitani; Samarati, Pierangela (Ed.): Proceedings of the 22nd International Conference on Security and Cryptography, SECRYPT 2025, Bilbao, Spain, June 11-13, 2025, pp. 759–764, SCITEPRESS, 2025.

[DOI] [eprint]

Carsten Baum, Ward Beullens, Lennart Braun, Cyprien Delpech Saint Guilhem, Michael Klooß, Christian Majenz, Shibam Mukherjee, Emmanuela Orsini, Sebastian Ramacher, Christian Rechberger, Lawrence Roy, and Peter Scholl

Shorter, Tighter, FAESTer: Optimizations and Improved (QROM) Analysis for VOLE-in-the-Head Signatures

In: Kalai, Yael Tauman; Kamara, Seny F. (Ed.): Advances in Cryptology - CRYPTO 2025 - 45th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 17-21, 2025, Proceedings, Part VI, pp. 124–156, Springer, 2025.

[DOI]

Daniel Bachlechner, Ruben Helmut Hetfleisch, Stephan Krenn, Thomas Lorünser, and Michael Rader

Protecting Privacy in Federated Time Series Analysis: A Pragmatic Technology Review for Application Developers

In: Cardellini, Valeria; Steen, Maarten (Ed.): Proceedings of the 15th International Conference on Cloud Computing and Services Science, CLOSER 2025, Porto, Portugal, April 1-3, 2025, pp. 198–210, SCITEPRESS, 2025.

[DOI] [arXiv]

N. Franzoi, S. Krenn, T. Lorünser, and S. Ramacher

Secure Key Forwarding for Large-Scale Quantum Key Distribution Networks

In: Quantum Communications, Networking, and Computing – QCNC 2025, pp. 486–493, IEEE, 2025.

[DOI] [link]

M. Latzenhofer, S. Schauer, S. Krenn, B. Allex, C. Stefan, A. Gaydarov, and M. Scsepka

Strengthening Supply Resilience in Future Economic Crises: Towards ICT-based Solutions for Distribution Problems

In: Abrahamsen, F. Bouder T. Aven E. B.; Ylönen, M. (Ed.): European Safety and Reliability Conference – ESREL 2025, pp. 2764–2771, Research Publishing, 2025.

[DOI] [link]

Francisco J. Cortés-Delgado, Enrique Mármol Campos, José L. Hernández-Ramos, Antonio Skarmeta, Shahid Latif, Djamel Djenouri, Stephan Krenn, Andrei Puiu, and Anamaria Vizitiu

Enhancing Security and Privacy in Federated Learning for Distributed Systems: the REMINDER approach

In: Global Internet of Things and Edge Computing Summit – GIECS 2025, pp. 57–70, Springer, 2025.

[DOI]

Lena Heimberger, Tobias Hennerbichler, Fredrik Meisingseth, Sebastian Ramacher, and Christian Rechberger

OPRFs from Isogenies: Designs and Analysis

In: Zhou, Jianying; Quek, Tony Q. S.; Gao, Debin; Cárdenas, Alvaro A. (Ed.): Proceedings of the 19th ACM Asia Conference on Computer and Communications Security, ASIA CCS 2024, Singapore, July 1-5, 2024, ACM, 2024.

[DOI]

Carsten Baum, Ward Beullens, Shibam Mukherjee, Emmanuela Orsini, Sebastian Ramacher, Christian Rechberger, Lawrence Roy, and Peter Scholl

One Tree to Rule Them All: Optimizing GGM Trees and OWFs for Post-Quantum Signatures

In: Chung, Kai-Min; Sasaki, Yu (Ed.): Advances in Cryptology - ASIACRYPT 2024 - 30th International Conference on the Theory and Application of Cryptology and Information Security, Kolkata, India, December 9-13, 2024, Proceedings, Part I, pp. 463–493, Springer, 2024.

[DOI]

Behzad Abdolmaleki, Noemi Glaeser, Sebastian Ramacher, and Daniel Slamanig

Circuit-Succinct Universally-Composable NIZKs with Updatable CRS

In: 37th IEEE Computer Security Foundations Symposium, CSF 2024, Enschede, Netherlands, July 8-12, 2024, pp. 527–542, IEEE, 2024.

[DOI]

Scott Griffy, Anna Lysyanskaya, Omid Mir, Octavio Perez-Kempner, and Daniel Slamanig

Delegatable Anonymous Credentials from Mercurial Signatures with Stronger Privacy

In: Chung, Kai-Min; Sasaki, Yu (Ed.): Advances in Cryptology - ASIACRYPT 2024 - 30th International Conference on the Theory and Application of Cryptology and Information Security, Kolkata, India, December 9-13, 2024, Proceedings, Part II, pp. 296–325, Springer, 2024.

[DOI]

Julia Mader, Florian Wohner, Laurenz Ruzicka, and Thomas Lorünser

Towards Real-Time Privacy-Preserving Minutiae Matching

In: Ayday, Erman; Vaidya, Jaideep (Ed.): Proceedings of the 23rd Workshop on Privacy in the Electronic Society, WPES 2024, Salt Lake City, UT, USA, October 14-18, 2024, pp. 98–108, ACM, 2024.

[DOI]

Julia Mader and Thomas Lorünser

Feasibility of Privacy Preserving Minutiae-Based Fingerprint Matching

In: Lenzini, Gabriele; Mori, Paolo; Furnell, Steven (Ed.): Proceedings of the 10th International Conference on Information Systems Security and Privacy, ICISSP 2024, Rome, Italy, February 26-28, 2024, pp. 899–906, SCITEPRESS, 2024.

[DOI]

Veronika Siska, Thomas Lorünser, Stephan Krenn, and Christoph Fabianek

Integrating Secure Multiparty Computation into Data Spaces

In: Steen, Maarten; Pahl, Claus (Ed.): Proceedings of the 14th International Conference on Cloud Computing and Services Science, CLOSER 2024, Angers, France, May 2-4, 2024, pp. 346–357, SCITEPRESS, 2024.

[DOI] [link]

Markus Wurzenberger, Stephan Krenn, Max Landauer, Florian Skopik, Cora Lisa Perner, Jarno Lötjönen, Jani Päijänen, Georgios Gardikis, Nikos Alabasis, Liisa Sakerman, Kristiina Omri, Juha Röning, Kimmo Halunen, Vincent Thouvenot, Martin Weise, Andreas Rauber, Vasileios Gkioulos, Sokratis K. Katsikas, Luigi Sabetta, Jacopo Bonato, Roc'ıo Ort'ız, Daniel Navarro, Nikolaos Stamatelatos, Ioannis Avdoulas, Rudolf Mayer, Andreas Ekelhart, Ioannis Giannoulakis, Emmanouil Kafetzakis, Antonello Corsi, Ulrike Lechner, and Corinna Schmitt

NEWSROOM: Towards Automating Cyber Situational Awareness Processes and Tools for Cyber Defence

In: Proceedings of the 19th International Conference on Availability, Reliability and Security, ARES 2024, Vienna, Austria, 30 July 2024 - 2 August 2024, pp. 69:1–69:11, ACM, 2024.

[DOI]

Erich Teppan, Christina Petschnigg, Elena Wiegelmann, Gabriele Spini, and Stephan Krenn

A Heuristic Search Algorithm for the Collaborative Freighter Delivery Problem

In: International Conference on Computational Science and Computational Intelligence – CSCI 2024, pp. 197–206, Springer 2024.

[DOI]

Christoph Döberl, Wolfgang Eibner, Simon Gärtner, Manuela Kos, Florian Kutschera, and Sebastian Ramacher

Quantum-resistant End-to-End Secure Messaging and Email Communication

In: Proceedings of the 18th International Conference on Availability, Reliability and Security, ARES 2023, Benevento, Italy, 29 August 2023- 1 September 2023, pp. 125:1–125:8, ACM, 2023.

[DOI]

Paul James, Stephan Laschet, Sebastian Ramacher, and Luca Torresetti

Key Management Systems for Large-Scale Quantum Key Distribution Networks

In: Proceedings of the 18th International Conference on Availability, Reliability and Security, ARES 2023, Benevento, Italy, 29 August 2023- 1 September 2023, pp. 126:1–126:9, ACM, 2023.

[DOI]

Christian Göth, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks, Erkan Tairi, and Alexander Zikulnig

Optimizing 0-RTT Key Exchange with Full Forward Security

In: Regazzoni, Francesco; Fournaris, Apostolos P. (Ed.): Proceedings of the 2023 on Cloud Computing Security Workshop, CCSW 2023, Copenhagen, Denmark, 26 November 2023, pp. 55–68, ACM, 2023.

[DOI]

Sonja Bruckner, Sebastian Ramacher, and Christoph Striecks

Muckle+: End-to-End Hybrid Authenticated Key Exchanges

In: Johansson, Thomas; Smith-Tone, Daniel (Ed.): Post-Quantum Cryptography - 14th International Workshop, PQCrypto 2023, College Park, MD, USA, August 16-18, 2023, Proceedings, pp. 601–633, Springer, 2023.

[DOI]

Daniel Slamanig and Christoph Striecks

Revisiting Updatable Encryption: Controlled Forward Security, Constructions and a Puncturable Perspective

In: Rothblum, Guy N.; Wee, Hoeteck (Ed.): Theory of Cryptography - 21st International Conference, TCC 2023, Taipei, Taiwan, November 29 - December 2, 2023, Proceedings, Part II, pp. 220–250, Springer, 2023.

[DOI]

Paul Rösler, Daniel Slamanig, and Christoph Striecks

Unique-Path Identity Based Encryption with Applications to Strongly Secure Messaging

In: Hazay, Carmit; Stam, Martijn (Ed.): Advances in Cryptology - EUROCRYPT 2023 - 42nd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Lyon, France, April 23-27, 2023, Proceedings, Part V, pp. 3–34, Springer, 2023.

[DOI]

Stephan Krenn, Jan Orlicky, Daniel Slamanig, and Tomas Trpisovský

RiBAC: Strengthening Access Control Systems for Pandemic Risk Reduction while Preserving Privacy

In: Proceedings of the 18th International Conference on Availability, Reliability and Security, ARES 2023, Benevento, Italy, 29 August 2023- 1 September 2023, pp. 123:1–123:9, ACM, 2023.

[DOI]

Valerio Cini and Hoeteck Wee

ABE for Circuits with poly ((łambda)) -sized Keys from LWE

In: 64th IEEE Annual Symposium on Foundations of Computer Science, FOCS 2023, Santa Cruz, CA, USA, November 6-9, 2023, pp. 435–446, IEEE, 2023.

[DOI]

Hamza Abusalah and Valerio Cini

An Incremental PoSW for General Weight Distributions

In: Hazay, Carmit; Stam, Martijn (Ed.): Advances in Cryptology - EUROCRYPT 2023 - 42nd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Lyon, France, April 23-27, 2023, Proceedings, Part II, pp. 282–311, Springer, 2023.

[DOI]

Valerio Cini, Russell W. F. Lai, and Giulio Malavolta

Lattice-Based Succinct Arguments from Vanishing Polynomials - (Extended Abstract)

In: Handschuh, Helena; Lysyanskaya, Anna (Ed.): Advances in Cryptology - CRYPTO 2023 - 43rd Annual International Cryptology Conference, CRYPTO 2023, Santa Barbara, CA, USA, August 20-24, 2023, Proceedings, Part II, pp. 72–105, Springer, 2023.

[DOI]

Omid Mir, Balthazar Bauer, Scott Griffy, Anna Lysyanskaya, and Daniel Slamanig

Aggregate Signatures with Versatile Randomization and Issuer-Hiding Multi-Authority Anonymous Credentials

In: Meng, Weizhi; Jensen, Christian Damsgaard; Cremers, Cas; Kirda, Engin (Ed.): Proceedings of the 2023 ACM SIGSAC Conference on Computer and Communications Security, CCS 2023, Copenhagen, Denmark, November 26-30, 2023, pp. 30–44, ACM, 2023.

[DOI]

Elizabeth C. Crites, Markulf Kohlweiss, Bart Preneel, Mahdi Sedaghat, and Daniel Slamanig

Threshold Structure-Preserving Signatures

In: Guo, Jian; Steinfeld, Ron (Ed.): Advances in Cryptology - ASIACRYPT 2023 - 29th International Conference on the Theory and Application of Cryptology and Information Security, Guangzhou, China, December 4-8, 2023, Proceedings, Part II, pp. 348–382, Springer, 2023.

[DOI]

Karl W. Koch, Stephan Krenn, Tilen Marc, Stefan More, and Sebastian Ramacher

KRAKEN: a privacy-preserving data market for authentic data

In: Laoutaris, Nikos; Mellia, Marco (Ed.): Proceedings of the 1st International Workshop on Data Economy, DE 2022, Rome, Italy, 9 December 2022, pp. 15–20, ACM, 2022.

[DOI]

Stefan More, Sebastian Ramacher, Lukas Alber, and Marco Herzl

Extending Expressive Access Policies with Privacy Features

In: IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom 2022, Wuhan, China, December 9-11, 2022, pp. 574–581, IEEE, 2022.

[DOI]

Abida Haque, Stephan Krenn, Daniel Slamanig, and Christoph Striecks

Logarithmic-Size (Linkable) Threshold Ring Signatures in the Plain Model

In: Hanaoka, Goichiro; Shikata, Junji; Watanabe, Yohei (Ed.): Public-Key Cryptography - PKC 2022 - 25th IACR International Conference on Practice and Theory of Public-Key Cryptography, Virtual Event, March 8-11, 2022, Proceedings, Part II, pp. 437–467, Springer, 2022.

[DOI] [eprint]

Thomas Lorünser, Florian Wohner, and Stephan Krenn

A Privacy-Preserving Auction Platform with Public Verifiability for Smart Manufacturing

In: Mori, Paolo; Lenzini, Gabriele; Furnell, Steven (Ed.): Proceedings of the 8th International Conference on Information Systems Security and Privacy, ICISSP 2022, Online Streaming, February 9-11, 2022, pp. 637–647, SCITEPRESS, 2022.

[DOI]

Christoph G. Schuetz, Thomas Lorünser, Samuel Jaburek, Kevin Schuetz, Florian Wohner, Roman Karl, and Eduard Gringinger

A Distributed Architecture for Privacy-Preserving Optimization Using Genetic Algorithms and Multi-party Computation

In: Sellami, Mohamed; Ceravolo, Paolo; Reijers, Hajo A.; Gaaloul, Walid; Panetto, Hervé (Ed.): Cooperative Information Systems - 28th International Conference, CoopIS 2022, Bozen-Bolzano, Italy, October 4-7, 2022, Proceedings, pp. 168–185, Springer, 2022.

[DOI]

Thomas Lorünser, Benjamin Rainer, and Florian Wohner

Towards a Performance Model for Byzantine Fault Tolerant Services

In: Steen, Maarten; Ferguson, Donald; Pahl, Claus (Ed.): Proceedings of the 12th International Conference on Cloud Computing and Services Science, CLOSER 2022,, Online Streaming, April 27-29, 2022, pp. 178–189, SCITEPRESS, 2022.

[DOI]

Thomas Lorünser, Florian Wohner, and Stephan Krenn

A Verifiable Multiparty Computation Solver for the Linear Assignment Problem: And Applications to Air Traffic Management

In: Regazzoni, Francesco; Dijk, Marten (Ed.): Proceedings of the 2022 on Cloud Computing Security Workshop, CCSW 2022, Los Angeles, CA, USA, 7 November 2022, pp. 41–51, ACM, 2022.

[DOI] [arXiv]

Jesús Garcia Rodriguez, David Goodman, Stephan Krenn, Vasia Liagkou, and Rafael Torres Moreno

From Research to Privacy-Preserving Industry Applications - Workshop Summary

In: Bieker, Felix; Meyer, Joachim; Pape, Sebastian; Schiering, Ina; Weich, Andreas (Ed.): Privacy and Identity Management - 17th IFIP WG 9.2, 9.6/11.7, 11.6/SIG 9.2.2 International Summer School, Privacy and Identity 2022, Virtual Event, August 30 - September 2, 2022, Proceedings, pp. 21–33, Springer, 2022.

[DOI]

Martin R. Albrecht, Valerio Cini, Russell W. F. Lai, Giulio Malavolta, and Sri Aravinda Krishnan Thyagarajan

Lattice-Based SNARKs: Publicly Verifiable, Preprocessing, and Recursively Composable - (Extended Abstract)

In: Dodis, Yevgeniy; Shrimpton, Thomas (Ed.): Advances in Cryptology - CRYPTO 2022 - 42nd Annual International Cryptology Conference, CRYPTO 2022, Santa Barbara, CA, USA, August 15-18, 2022, Proceedings, Part II, pp. 102–132, Springer, 2022.

[DOI]

Behzad Abdolmaleki and Daniel Slamanig

CRS-Updatable Asymmetric Quasi-Adaptive NIZK Arguments

In: Isobe, Takanori; Sarkar, Santanu (Ed.): Progress in Cryptology - INDOCRYPT 2022 - 23rd International Conference on Cryptology in India, Kolkata, India, December 11-14, 2022, Proceedings, pp. 3–25, Springer, 2022.

[DOI]

Jan Bobolz, Fabian Eidens, Stephan Krenn, Sebastian Ramacher, and Kai Samelin

Issuer-Hiding Attribute-Based Credentials

In: Conti, Mauro; Stevens, Marc; Krenn, Stephan (Ed.): Cryptology and Network Security - 20th International Conference, CANS 2021, Vienna, Austria, December 13-15, 2021, Proceedings, pp. 158–178, Springer, 2021.

[DOI] [eprint]

Lukas Helminger, Daniel Kales, Sebastian Ramacher, and Roman Walch

Multi-party Revocation in Sovrin: Performance through Distributed Trust

In: Paterson, Kenneth G. (Ed.): Topics in Cryptology - CT-RSA 2021 - Cryptographers' Track at the RSA Conference 2021, Virtual Event, May 17-20, 2021, Proceedings, pp. 527–551, Springer, 2021.

[DOI]

Sebastian Ramacher, Daniel Slamanig, and Andreas Weninger

Privacy-Preserving Authenticated Key Exchange: Stronger Privacy and Generic Constructions

In: Bertino, Elisa; Schulmann, Haya; Waidner, Michael (Ed.): Computer Security - ESORICS 2021 - 26th European Symposium on Research in Computer Security, Darmstadt, Germany, October 4-8, 2021, Proceedings, Part II, pp. 676–696, Springer, 2021.

[DOI]

Omar Veledar, Eric Armengaud, Leo Happ Botler, Violeta Damjanovic-Behrendt, Christian Derler, Stefan Jaksic, Lukas Krammer, Christian Lettner, Georg Macher, Stefan Marksteiner, Andreas Martin, Martin Matschnig, Peter Priller, Sebastian Ramacher, Kay Römer, Christoph Schmittner, Christina Tiefnig, Heribert Vallant, Heinz Weiskirchner, and Mario Drobics

Steering Drivers of Change: Maximising Benefits of Trustworthy IoT

In: Yilmaz, Murat; Clarke, Paul M.; Messnarz, Richard; Reiner, Michael (Ed.): Systems, Software and Services Process Improvement - 28th European Conference, EuroSPI 2021, Krems, Austria, September 1-3, 2021, Proceedings, pp. 663–674, Springer, 2021.

[DOI]

David Derler, Sebastian Ramacher, Daniel Slamanig, and Christoph Striecks

Fine-Grained Forward Secrecy: Allow-List/Deny-List Encryption and Applications

In: Borisov, Nikita; D'ıaz, Claudia (Ed.): Financial Cryptography and Data Security - 25th International Conference, FC 2021, Virtual Event, March 1-5, 2021, Revised Selected Papers, Part II, pp. 499–519, Springer, 2021.

[DOI]

Valerio Cini, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks, and Erkan Tairi

Updatable Signatures and Message Authentication Codes

In: Garay, Juan A. (Ed.): Public-Key Cryptography - PKC 2021 - 24th IACR International Conference on Practice and Theory of Public Key Cryptography, Virtual Event, May 10-13, 2021, Proceedings, Part I, pp. 691–723, Springer, 2021.

[DOI]

Andreas Abraham, Karl W. Koch, Stefan More, Sebastian Ramacher, and Miha Stopar

Privacy-Preserving eID Derivation to Self-Sovereign Identity Systems with Offline Revocation

In: 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications, TrustCom 2021, Shenyang, China, October 20-22, 2021, pp. 506–513, IEEE, 2021.

[DOI]

Nadja Marko, Joaquim Maria Castella Triginer, Christoph Striecks, Tobias Braun, Reinhard Schwarz, Stefan Marksteiner, Alexandr Vasenev, Joerg Kemmerich, Hayk Hamazaryan, Lijun Shan, and Claire Loiseaux

Guideline for Architectural Safety, Security and Privacy Implementations Using Design Patterns: SECREDAS Approach

In: Habli, Ibrahim; Sujan, Mark; Gerasimou, Simos; Schoitsch, Erwin; Bitsch, Friedemann (Ed.): Computer Safety, Reliability, and Security. SAFECOMP 2021 Workshops - DECSoS, MAPSOD, DepDevOps, USDAI, and WAISE, York, UK, September 7, 2021, Proceedings, pp. 39–51, Springer, 2021.

[DOI]

Peter Chvojka, Tibor Jager, Daniel Slamanig, and Christoph Striecks

Versatile and Sustainable Timed-Release Encryption and Sequential Time-Lock Puzzles (Extended Abstract)

In: Bertino, Elisa; Schulmann, Haya; Waidner, Michael (Ed.): Computer Security - ESORICS 2021 - 26th European Symposium on Research in Computer Security, Darmstadt, Germany, October 4-8, 2021, Proceedings, Part II, pp. 64–85, Springer, 2021.

[DOI]

Stephan Krenn and Thomas Lorünser

Single-Use Delegatable Signatures Based on Smart Contracts

In: Reinhardt, Delphine; Müller, Tilo (Ed.): ARES 2021: The 16th International Conference on Availability, Reliability and Security, Vienna, Austria, August 17-20, 2021, pp. 40:1–40:7, ACM, 2021.

[DOI] [arXiv]

Jorge Bernal Bernabé, Jesús Garcia Rodriguez, Stephan Krenn, Vasia Liagkou, Antonio F. Skarmeta, and Rafael Torres

Privacy-Preserving Identity Management and Applications to Academic Degree Verification

In: Friedewald, Michael; Krenn, Stephan; Schiering, Ina; Schiffner, Stefan (Ed.): Privacy and Identity Management. Between Data Protection and Security - 16th IFIP WG 9.2, 9.6/11.7, 11.6/SIG 9.2.2 International Summer School, Privacy and Identity 2021, Virtual Event, August 16-20, 2021, Revised Selected Papers, pp. 33–46, Springer, 2021.

[DOI]

Lucjan Hanzlik and Daniel Slamanig

With a Little Help from My Friends: Constructing Practical Anonymous Credentials

In: Kim, Yongdae; Kim, Jong; Vigna, Giovanni; Shi, Elaine (Ed.): CCS '21: 2021 ACM SIGSAC Conference on Computer and Communications Security, Virtual Event, Republic of Korea, November 15 - 19, 2021, pp. 2004–2023, ACM, 2021.

[DOI]

Behzad Abdolmaleki and Daniel Slamanig

Subversion-Resistant Quasi-adaptive NIZK and Applications to Modular Zk-SNARKs

In: Conti, Mauro; Stevens, Marc; Krenn, Stephan (Ed.): Cryptology and Network Security - 20th International Conference, CANS 2021, Vienna, Austria, December 13-15, 2021, Proceedings, pp. 492–512, Springer, 2021.

[DOI]

Behzad Abdolmaleki and Daniel Slamanig

Updatable Trapdoor SPHFs: Modular Construction of Updatable Zero-Knowledge Arguments and More

In: Baek, Joonsang; Ruj, Sushmita (Ed.): Information Security and Privacy - 26th Australasian Conference, ACISP 2021, Virtual Event, December 1-3, 2021, Proceedings, pp. 46–67, Springer, 2021.

[DOI]

Valerio Cini, Sebastian Ramacher, Daniel Slamanig, and Christoph Striecks

CCA-Secure (Puncturable) KEMs from Encryption with Non-Negligible Decryption Errors

In: Moriai, Shiho; Wang, Huaxiong (Ed.): Advances in Cryptology - ASIACRYPT 2020 - 26th International Conference on the Theory and Application of Cryptology and Information Security, Daejeon, South Korea, December 7-11, 2020, Proceedings, Part I, pp. 159–190, Springer, 2020.

[DOI]

Behzad Abdolmaleki, Sebastian Ramacher, and Daniel Slamanig

Lift-and-Shift: Obtaining Simulation Extractable Subversion and Updatable SNARKs Generically

In: Ligatti, Jay; Ou, Xinming; Katz, Jonathan; Vigna, Giovanni (Ed.): CCS '20: 2020 ACM SIGSAC Conference on Computer and Communications Security, Virtual Event, USA, November 9-13, 2020, pp. 1987–2005, ACM, 2020.

[DOI]

Lukas Alber, Stefan More, and Sebastian Ramacher

Short-Lived Forward-Secure Delegation for TLS

In: Zhang, Yinqian; Sion, Radu (Ed.): CCSW'20, Proceedings of the 2020 ACM SIGSAC Conference on Cloud Computing Security Workshop, Virtual Event, USA, November 9, 2020, pp. 119–132, ACM, 2020.

[DOI]

Daniel Kales, Sebastian Ramacher, Christian Rechberger, Roman Walch, and Mario Werner

Efficient FPGA Implementations of LowMC and Picnic

In: Jarecki, Stanislaw (Ed.): Topics in Cryptology - CT-RSA 2020 - The Cryptographers' Track at the RSA Conference 2020, San Francisco, CA, USA, February 24-28, 2020, Proceedings, pp. 417–441, Springer, 2020.

[DOI]

Nadja Marko, Alexandr Vasenev, and Christoph Striecks

Collecting and Classifying Security and Privacy Design Patterns for Connected Vehicles: SECREDAS Approach

In: Casimiro, António; Ortmeier, Frank; Schoitsch, Erwin; Bitsch, Friedemann; Ferreira, Pedro M. (Ed.): Computer Safety, Reliability, and Security. SAFECOMP 2020 Workshops - DECSoS 2020, DepDevOps 2020, USDAI 2020, and WAISE 2020, Lisbon, Portugal, September 15, 2020, Proceedings, pp. 36–53, Springer, 2020.

[DOI]

Jan Bobolz, Fabian Eidens, Stephan Krenn, Daniel Slamanig, and Christoph Striecks

Privacy-Preserving Incentive Systems with Highly Efficient Point-Collection

In: Sun, Hung-Min; Shieh, Shiuh-Pyng; Gu, Guofei; Ateniese, Giuseppe (Ed.): ASIA CCS '20: The 15th ACM Asia Conference on Computer and Communications Security, Taipei, Taiwan, October 5-9, 2020, pp. 319–333, ACM, 2020.

[DOI] [eprint]

Karl W. Koch, Stephan Krenn, Donato Pellegrino, and Sebastian Ramacher

Privacy-Preserving Analytics for Data Markets Using MPC

In: Friedewald, Michael; Schiffner, Stefan; Krenn, Stephan (Ed.): Privacy and Identity Management: 15th IFIP WG 9.2, 9.6/11.7, 11.6/SIG 9.2.2 International Summer School, Maribor, Slovenia, September 21-23, 2020, Revised Selected Papers, pp. 226–246, Springer, 2020.

[DOI]

Thomas Lorünser and Florian Wohner

Performance Comparison of Two Generic MPC-frameworks with Symmetric Ciphers

In: Samarati, Pierangela; Vimercati, Sabrina De Capitani; Obaidat, Mohammad S.; Ben-Othman, Jalel (Ed.): Proceedings of the 17th International Joint Conference on e-Business and Telecommunications, ICETE 2020 - Volume 2: SECRYPT, Lieusaint, Paris, France, July 8-10, 2020, pp. 587–594, ScitePress, 2020.

[DOI]

David Derler, Stephan Krenn, Kai Samelin, and Daniel Slamanig

Fully Collision-Resistant Chameleon-Hashes from Simpler and Post-quantum Assumptions

In: Galdi, Clemente; Kolesnikov, Vladimir (Ed.): Security and Cryptography for Networks - 12th International Conference, SCN 2020, Amalfi, Italy, September 14-16, 2020, Proceedings, pp. 427–447, Springer, 2020.

[DOI] [eprint]

David Derler, Kai Samelin, and Daniel Slamanig

Bringing Order to Chaos: The Case of Collision-Resistant Chameleon-Hashes

In: Kiayias, Aggelos; Kohlweiss, Markulf; Wallden, Petros; Zikas, Vassilis (Ed.): Public-Key Cryptography - PKC 2020 - 23rd IACR International Conference on Practice and Theory of Public-Key Cryptography, Edinburgh, UK, May 4-7, 2020, Proceedings, Part I, pp. 462–492, Springer, 2020.

[DOI]

Kai Samelin and Daniel Slamanig

Policy-Based Sanitizable Signatures

In: Jarecki, Stanislaw (Ed.): Topics in Cryptology - CT-RSA 2020 - The Cryptographers' Track at the RSA Conference 2020, San Francisco, CA, USA, February 24-28, 2020, Proceedings, pp. 538–563, Springer, 2020.

[DOI]