Sebastian Ramacher

Most-cited papers

Post-Quantum Zero-Knowledge and Signatures from Symmetric-Key Primitives
Melissa Chase, David Derler, Steven Goldfeder, Claudio Orlandi +4 more
2017Conference on Computer and Communications Security322 citations Open access
Semantic Scholar
Feistel Structures for MPC, and More
Martin R. Albrecht, Lorenzo Grassi, Léo Perrin, Sebastian Ramacher +4 more
2019IACR Cryptology ePrint Archive133 citations
Semantic Scholar
Post-Quantum Zero-Knowledge Proofs for Accumulators with Applications to Ring Signatures from Symmetric-Key Primitives
David Derler, Sebastian Ramacher, Daniel Slamanig
2018IACR Cryptology ePrint Archive57 citations
Semantic Scholar
Revisiting Proxy Re-encryption: Forward Secrecy, Improved Security, and Applications
David Derler, Stephan Krenn, T. Lorünser, Sebastian Ramacher +2 more
2018International Conference on Theory and Practice of Public Key Cryptography50 citations
Semantic Scholar
Issuer-Hiding Attribute-Based Credentials
Jan Bobolz, Fabian Eidens, Stephan Krenn, Sebastian Ramacher +1 more
2021Cryptology and Network Security45 citations
Semantic Scholar
Lift-and-Shift: Obtaining Simulation Extractable Subversion and Updatable SNARKs Generically
B. Abdolmaleki, Sebastian Ramacher, Daniel Slamanig
2020IACR Cryptology ePrint Archive42 citations
Semantic Scholar
On v-Marot Mori rings and C-rings
A. Geroldinger, Sebastian Ramacher, Andreas Reinhart
201435 citations Open access
Semantic Scholar
One Tree to Rule Them All: Optimizing GGM Trees and OWFs for Post-Quantum Signatures
Carsten Baum, Ward Beullens, Shibam Mukherjee, E. Orsini +4 more
2024IACR Cryptology ePrint Archive33 citations
Semantic Scholar
Revisiting User Privacy for Certificate Transparency
Daniel Kales, O. Omolola, Sebastian Ramacher
2019European Symposium on Security and Privacy33 citations Open access
Semantic Scholar
Muckle+: End-to-End Hybrid Authenticated Key Exchanges
Sonja Bruckner, Sebastian Ramacher, Christoph Striecks
2023IACR Cryptology ePrint Archive32 citations
Semantic Scholar
Key Management Systems for Large-Scale Quantum Key Distribution Networks
Paul James, Stephan Laschet, Sebastian Ramacher, Luca Torresetti
2023ARES30 citations Open access
Semantic Scholar
Linear Equivalence of Block Ciphers with Partial Non-Linear Layers: Application to LowMC
Itai Dinur, Daniel Kales, Angela Promitzer, Sebastian Ramacher +1 more
2019IACR Cryptology ePrint Archive29 citations
Semantic Scholar
Homomorphic Proxy Re-Authenticators and Applications to Verifiable Multi-User Data Aggregation
David Derler, Sebastian Ramacher, Daniel Slamanig
2017IACR Cryptology ePrint Archive28 citations
Semantic Scholar
Efficient FPGA Implementations of LowMC and Picnic
Daniel Kales, Sebastian Ramacher, Christian Rechberger, Roman Walch +1 more
2020IACR Cryptology ePrint Archive23 citations
Semantic Scholar
Privacy-Preserving eID Derivation for Self-Sovereign Identity Systems
Andreas Abraham, Felix Hörandner, O. Omolola, Sebastian Ramacher
2019International Conference on Information, Communications and Signal Processing21 citations
Semantic Scholar
OPRFs from Isogenies: Designs and Analysis
Lena Heimberger, Tobias Hennerbichler, Fredrik Meisingseth, Sebastian Ramacher +1 more
2024IACR Cryptology ePrint Archive20 citations Open access
Semantic Scholar
Quantum-safe hybrid key exchanges with KEM-based authentication
Christopher Battarbee, Christoph Striecks, Ludovic Perret, Sebastian Ramacher +1 more
2024EPJ Quantum Technology20 citations Open access
Semantic Scholar
Short Double- and N-Times-Authentication-Preventing Signatures from ECDSA and More
David Derler, Sebastian Ramacher, Daniel Slamanig
2018European Symposium on Security and Privacy20 citations
Semantic Scholar
Privacy-preserving Analytics for Data Markets using MPC
Karl W. Koch, Stephan Krenn, Donato Pellegrino, Sebastian Ramacher
2021Privacy and Identity Management19 citations Open access
Semantic Scholar
Updatable Signatures and Message Authentication Codes
Valerio Cini, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks +1 more
2021IACR Cryptology ePrint Archive18 citations
Semantic Scholar
Generic Double-Authentication Preventing Signatures and a Post-Quantum Instantiation
David Derler, Sebastian Ramacher, Daniel Slamanig
2018IACR Cryptology ePrint Archive15 citations
Semantic Scholar
Quantum-resistant End-to-End Secure Messaging and Email Communication
Christoph Döberl, Wolfgang Eibner, Simon Gärtner, Manuela Kos +2 more
2023ARES14 citations Open access
Semantic Scholar
CCA-Secure (Puncturable) KEMs from Encryption with Non-Negligible Decryption Errors
Valerio Cini, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks
2020International Conference on the Theory and Application of Cryptology and Information Security14 citations
Semantic Scholar
Fine-Grained Forward Secrecy: Allow-List/Deny-List Encryption and Applications
David Derler, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks
2021Financial Cryptography13 citations
Semantic Scholar
(Inner-Product) Functional Encryption with Updatable Ciphertexts
Valerio Cini, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks +1 more
2023IACR Cryptology ePrint Archive12 citations Open access
Semantic Scholar
Privacy-Preserving eID Derivation to Self-Sovereign Identity Systems with Offline Revocation
Andreas Abraham, Karl W. Koch, Stefan More, Sebastian Ramacher +1 more
2021International Conference on Trust, Security and Privacy in Computing and Communications12 citations
Semantic Scholar
KRAKEN: A Secure, Trusted, Regulatory-Compliant, and Privacy-Preserving Data Sharing Platform
Silvia Gabrielli, Stephan Krenn, Donato Pellegrino, J. C. P. Baún +3 more
2022Data Spaces11 citations Open access
Semantic Scholar
Multi-Party Revocation in Sovrin: Performance through Distributed Trust
Lukas Helminger, Daniel Kales, Sebastian Ramacher, Roman Walch
2020IACR Cryptology ePrint Archive11 citations
Semantic Scholar
I Want to Forget: Fine-Grained Encryption with Full Forward Secrecy in the Distributed Setting
David Derler, Sebastian Ramacher, Daniel Slamanig, Christoph Striecks
2019IACR Cryptology ePrint Archive11 citations
Semantic Scholar
Improvements to the Linear Layer of LowMC: A Faster Picnic
Léo Perrin, Angela Promitzer, Sebastian Ramacher, Christian Rechberger
2017IACR Cryptology ePrint Archive11 citations
Semantic Scholar
Universally Composable NIZKs: Circuit-Succinct, Non-Malleable and CRS-Updatable
B. Abdolmaleki, Noemi Glaeser, Sebastian Ramacher, Daniel Slamanig
2023IACR Cryptology ePrint Archive10 citations
Semantic Scholar
KRAKEN: a privacy-preserving data market for authentic data
Karl W. Koch, Stephan Krenn, Tilen Marc, Stefan More +1 more
2022DE@CoNEXT9 citations Open access
Semantic Scholar
Leap: A Fast, Lattice-based OPRF With Application to Private Set Intersection
Lena Heimberger, Daniel Kales, Riccardo Lolato, Omid Mir +2 more
2025IACR Cryptology ePrint Archive8 citations
Semantic Scholar
Selective end-to-end data-sharing in the cloud
Felix Hörandner, Sebastian Ramacher, Simon Roth
2019Journal of Banking and Financial Technology7 citations Open access
Semantic Scholar
Digital Signatures from Symmetric-Key Primitives
David Derler, Claudio Orlandi, Sebastian Ramacher, Christian Rechberger +1 more
2016IACR Cryptology ePrint Archive7 citations
Semantic Scholar
Secure Key Forwarding for Large-Scale Quantum Key Distribution Networks
Nicole Franzoi, Stephan Krenn, T. Lorünser, Sebastian Ramacher
20252025 International Conference on Quantum Communications, Networking, and Computing (QCNC)5 citations
Semantic Scholar
Circuit-Succinct Universally-Composable NIZKs with Updatable CRS
B. Abdolmaleki, Noemi Glaeser, Sebastian Ramacher, Daniel Slamanig
2024IEEE Computer Security Foundations Symposium5 citations
Semantic Scholar
Improvements to the Linear Operations of LowMC : A Faster Picnic
Daniel Kales, Léo Perrin, Angela Promitzer, Sebastian Ramacher +1 more
20185 citations
Semantic Scholar
Attribute-Based Threshold Issuance Anonymous Counting Tokens and Its Application to Sybil-Resistant Self-Sovereign Identity
B. Abdolmaleki, A. Michalas, Reyhaneh Rabaninejad, Sebastian Ramacher +1 more
2026IACR Cryptology ePrint Archive4 citations Open access
Semantic Scholar
Privacy-Preserving Authenticated Key Exchange: Stronger Privacy and Generic Constructions
Sebastian Ramacher, Daniel Slamanig, Andreas Weninger
2021European Symposium on Research in Computer Security4 citations
Semantic Scholar
Topology-Hiding Path Validation for Large-Scale Quantum Key Distribution Networks
Stephan Krenn, Omid Mir, T. Lorünser, Sebastian Ramacher +1 more
2026International Conference on Applied Cryptography and Network Security3 citations
Semantic Scholar
Shorter, Tighter, FAESTer: Optimizations and Improved (QROM) Analysis for VOLE-in-the-Head Signatures
Carsten Baum, Ward Beullens, Lennart Braun, Cyprien Delpech de Saint Guilhem +8 more
2025Annual International Cryptology Conference3 citations
Semantic Scholar
Secure Network Innovation in Defense: SDN and Quantum Cryptography with DISCRETION
J. P. Brito, J. Ballesta, Rubén B. Méndez, L. Mengual +24 more
20252025 International Conference on Quantum Communications, Networking, and Computing (QCNC)3 citations
Semantic Scholar
Extending Expressive Access Policies with Privacy Features
Stefan More, Sebastian Ramacher, Lukas Alber, Marco Herzl
2022International Conference on Trust, Security and Privacy in Computing and Communications3 citations Open access
Semantic Scholar
Towards National Quantum Communication in Europe: Planning and Sizing Terrestrial QKD Networks
Sebastian Raubitzek, Werner Strasser, Sebastian Ramacher, Thomas Lebeth +2 more
2026arXiv.org2 citations
Semantic Scholar
DISCRETION: First Field Demonstration of a Quantum Enabled SDN in the Context of a Military Exercise
Catarina Bastos, Francisco Pinto, Rodrigo Bacar, Gustavo Anjos +30 more
20252025 International Conference on Military Communication and Information Systems (ICMCIS)2 citations
Semantic Scholar
Commitment Schemes from OWFs with Applications to Quantum Oblivious Transfer
T. Lorünser, Sebastian Ramacher, Federico Valbusa
20252025 International Conference on Quantum Communications, Networking, and Computing (QCNC)2 citations
Semantic Scholar
Steering Drivers of Change: Maximising Benefits of Trustworthy IoT
O. Veledar, E. Armengaud, L. Botler, Violeta Damjanovic-Behrendt +16 more
2021European Conference on Software Process Improvement2 citations
Semantic Scholar
SoK: Lifting Transformations for Simulation Extractable Subversion and Updatable SNARKs
B. Abdolmaleki, Sebastian Ramacher, Daniel Slamanig
20202 citations
Semantic Scholar
PQC-Enhanced QKD Networks: A Layered Approach
Paul Spooren, Andreas E. Neuhold, Sebastian Ramacher, T. Huhn
20262026 International Conference on Quantum Communications, Networking, and Computing (QCNC)1 citations Open access
Semantic Scholar