Sebastian Ramacher

Google Scholar ORCID: 0000-0003-1957-3725
25 publications in security and cryptology related venues
Year
Venue
Title
2025
conf/eurocrypt
Leap: A Fast, Lattice-Based OPRF with Application to Private Set Intersection.
Lena Heimberger Daniel Kales Riccardo Lolato Omid Mir Sebastian Ramacher Christian Rechberger
2025
conf/crypto
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 Michael Klooß Christian Majenz Shibam Mukherjee Emmanuela Orsini Sebastian Ramacher Christian Rechberger Lawrence Roy Peter Scholl
2024
journals/joc
(Inner-Product) Functional Encryption with Updatable Ciphertexts.
Valerio Cini Sebastian Ramacher Daniel Slamanig Christoph Striecks Erkan Tairi
2024
conf/asiaccs
OPRFs from Isogenies: Designs and Analysis.
Lena Heimberger Tobias Hennerbichler Fredrik Meisingseth Sebastian Ramacher Christian Rechberger
2024
conf/asiacrypt
One Tree to Rule Them All: Optimizing GGM Trees and OWFs for Post-Quantum Signatures.
Carsten Baum Ward Beullens Shibam Mukherjee Emmanuela Orsini Sebastian Ramacher Christian Rechberger Lawrence Roy Peter Scholl
2023
conf/ccsw-ws
Optimizing 0-RTT Key Exchange with Full Forward Security.
Christian Göth Sebastian Ramacher Daniel Slamanig Christoph Striecks Erkan Tairi Alexander Zikulnig
2021
conf/fc
Fine-Grained Forward Secrecy: Allow-List/Deny-List Encryption and Applications.
David Derler Sebastian Ramacher Daniel Slamanig Christoph Striecks
2021
conf/esorics
Privacy-Preserving Authenticated Key Exchange: Stronger Privacy and Generic Constructions.
Sebastian Ramacher Daniel Slamanig Andreas Weninger
2021
conf/pkc
Updatable Signatures and Message Authentication Codes.
Valerio Cini Sebastian Ramacher Daniel Slamanig Christoph Striecks Erkan Tairi
2021
conf/ctrsa
Multi-party Revocation in Sovrin: Performance through Distributed Trust.
Lukas Helminger Daniel Kales Sebastian Ramacher Roman Walch
2021
conf/cans
Issuer-Hiding Attribute-Based Credentials.
Jan Bobolz Fabian Eidens Stephan Krenn Sebastian Ramacher Kai Samelin
2020
conf/ccs
Lift-and-Shift: Obtaining Simulation Extractable Subversion and Updatable SNARKs Generically.
Behzad Abdolmaleki Sebastian Ramacher Daniel Slamanig
2020
conf/ccsw-ws
Short-Lived Forward-Secure Delegation for TLS.
Lukas Alber Stefan More Sebastian Ramacher
2020
conf/ctrsa
Efficient FPGA Implementations of LowMC and Picnic.
Daniel Kales Sebastian Ramacher Christian Rechberger Roman Walch Mario Werner
2020
conf/asiacrypt
CCA-Secure (Puncturable) KEMs from Encryption with Non-Negligible Decryption Errors.
Valerio Cini Sebastian Ramacher Daniel Slamanig Christoph Striecks
2019
conf/eurosp
Revisiting User Privacy for Certificate Transparency.
Daniel Kales Olamide Omolola Sebastian Ramacher
2019
conf/iciss
Selective End-To-End Data-Sharing in the Cloud.
Felix Hörandner Sebastian Ramacher Simon Roth
2019
conf/esorics
Feistel Structures for MPC, and More.
Martin R. Albrecht Lorenzo Grassi Léo Perrin Sebastian Ramacher Christian Rechberger Dragos Rotaru Arnab Roy Markus Schofnegger
2019
conf/icics
Privacy-Preserving eID Derivation for Self-Sovereign Identity Systems.
Andreas Abraham Felix Hörandner Olamide Omolola Sebastian Ramacher
2019
conf/eurocrypt
Linear Equivalence of Block Ciphers with Partial Non-Linear Layers: Application to LowMC.
Itai Dinur Daniel Kales Angela Promitzer Sebastian Ramacher Christian Rechberger
2018
conf/eurosp
Short Double- and N-Times-Authentication-Preventing Signatures from ECDSA and More.
David Derler Sebastian Ramacher Daniel Slamanig
2018
conf/provsec
Generic Double-Authentication Preventing Signatures and a Post-quantum Instantiation.
David Derler Sebastian Ramacher Daniel Slamanig
2018
conf/pkc
Revisiting Proxy Re-encryption: Forward Secrecy, Improved Security, and Applications.
David Derler Stephan Krenn Thomas Lorünser Sebastian Ramacher Daniel Slamanig Christoph Striecks
2017
conf/ccs
Post-Quantum Zero-Knowledge and Signatures from Symmetric-Key Primitives.
Melissa Chase David Derler Steven Goldfeder Claudio Orlandi Sebastian Ramacher Christian Rechberger Daniel Slamanig Greg Zaverucha
2017
conf/fc
Homomorphic Proxy Re-Authenticators and Applications to Verifiable Multi-User Data Aggregation.
David Derler Sebastian Ramacher Daniel Slamanig

Coauthors

Alexander Zikulnig (1)
Andreas Abraham (1)
Andreas Weninger (1)
Angela Promitzer (1)
Arnab Roy (1)
Behzad Abdolmaleki (1)
Carsten Baum (2)
Christian Göth (1)
Christian Majenz (1)
Christian Rechberger (8)
Christoph Striecks (6)
Claudio Orlandi (1)
Cyprien Delpech de Saint Guilhem (1)
Daniel Kales (5)
Daniel Slamanig (12)
David Derler (6)
Dragos Rotaru (1)
Emmanuela Orsini (2)
Erkan Tairi (3)
Fabian Eidens (1)
Felix Hörandner (2)
Fredrik Meisingseth (1)
Greg Zaverucha (1)
Itai Dinur (1)
Jan Bobolz (1)
Kai Samelin (1)
Lawrence Roy (2)
Lena Heimberger (2)
Lennart Braun (1)
Léo Perrin (1)
Lorenzo Grassi (1)
Lukas Alber (1)
Lukas Helminger (1)
Mario Werner (1)
Markus Schofnegger (1)
Martin R. Albrecht (1)
Melissa Chase (1)
Michael Klooß (1)
Olamide Omolola (2)
Omid Mir (1)
Peter Scholl (2)
Riccardo Lolato (1)
Roman Walch (2)
Sebastian Ramacher (25)
Shibam Mukherjee (2)
Simon Roth (1)
Stefan More (1)
Stephan Krenn (2)
Steven Goldfeder (1)
Thomas Lorünser (1)
Tobias Hennerbichler (1)
Valerio Cini (3)
Ward Beullens (2)
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