Johannes Blömer

105 papers A* 14A 3B 11C 6Journal 43Unranked 22
YearRankTypeTitle / Venue / Authors
2025 — conf
Retrieval-Augmented Generation for ICD-10 Coding in German Clinical Texts - A Technical Case Report.
GMDS
Mario Krumscheid, Johannes Blömer, Matthias Becker
2025 J jnl
Secure Distributed State Management for Stateful Signatures with a Practical and Universally Composable Protocol.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Henrik Bröcher, Volker Krummel, Laurens Porzenheim
2025 J jnl
Symplectic Lattices and GKP Codes - Simple Randomized Constructions from Cryptographic Lattices.
CoRR
Johannes Blömer, Yinzi Xiao, Zahra Raissi, Stanislaw Soltan
2023 — conf
A Generic Construction of an Anonymous Reputation System and Instantiations from Lattices.
ASIACRYPT (2)
Johannes Blömer, Jan Bobolz, Laurens Porzenheim
2023 J jnl
A Generic Construction of an Anonymous Reputation System and Instantiations from Lattices.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Jan Bobolz, Laurens Porzenheim
2023 — conf
Designing Business Reputation Ecosystems - a method for Issuing and Trading monetary Ratings on a Blockchain.
ECIS
Simon Hemmrich, Jan Bobolz, Daniel Beverungen, Johannes Blömer
2023 — conf
On the Impossibility of Surviving (Iterated) Deletion of Weakly Dominated Strategies in Rational MPC.
TCC (1)
Johannes Blömer, Jan Bobolz, Henrik Bröcher
2022 J jnl
On the impossibility of surviving (iterated) deletion of weakly dominated strategies in rational MPC.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Jan Bobolz, Henrik Bröcher
2020 J jnl
A Complexity Theoretical Study of Fuzzy
ACM Trans. Algorithms
Johannes Blömer, Sascha Brauer, Kathrin Bujna
2020 J jnl
How well do SEM algorithms imitate EM algorithms? A non-asymptotic analysis for mixture models.
Adv. Data Anal. Classif.
Johannes Blömer, Sascha Brauer, Kathrin Bujna, Daniel Kuntze
2019 — conf
Dynamic Searchable Encryption with Access Control.
FPS
Johannes Blömer, Nils Löken
2019 J jnl
Dynamic Searchable Encryption with Access Control.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Nils Löken
2019 — conf
Personal Cross-Platform Reputation.
STM
Johannes Blömer, Nils Löken
2019 A* conf
Updatable Anonymous Credentials and Applications to Incentive Systems.
CCS
Johannes Blömer, Jan Bobolz, Denis Diemert, Fabian Eidens
2019 J jnl
Updatable Anonymous Credentials and Applications to Incentive Systems.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Jan Bobolz, Denis Diemert, Fabian Eidens
2018 B conf
Cloud Architectures for Searchable Encryption.
ARES
Johannes Blömer, Nils Löken
2018 B conf
Coresets for Fuzzy K-Means with Applications.
ISAAC
Johannes Blömer, Sascha Brauer, Kathrin Bujna
2018 B conf
Delegatable Attribute-Based Anonymous Credentials from Dynamically Malleable Signatures.
ACNS
Johannes Blömer, Jan Bobolz
2018 J jnl
Delegatable Attribute-based Anonymous Credentials from Dynamically Malleable Signatures.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Jan Bobolz
2018 B conf
Enhanced Security of Attribute-Based Signatures.
CANS
Johannes Blömer, Fabian Eidens, Jakob Juhnke
2018 J jnl
Enhanced Security of Attribute-Based Signatures.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Fabian Eidens, Jakob Juhnke
2018 B conf
Fully-Featured Anonymous Credentials with Reputation System.
ARES
Kai Bemmann, Johannes Blömer, Jan Bobolz, Henrik Bröcher, Denis Diemert, Fabian Eidens, Lukas Eilers, Jan Haltermann, Jakob Juhnke, Burhan Otour, Laurens Porzenheim, Simon Pukrop, Erik Schilling, Michael Schlichtig, Marcel Stienemeier
2018 J jnl
Fully-Featured Anonymous Credentials with Reputation System.
IACR Cryptol. ePrint Arch.
Kai Bemmann, Johannes Blömer, Jan Bobolz, Henrik Bröcher, Denis Diemert, Fabian Eidens, Lukas Eilers, Jan Haltermann, Jakob Juhnke, Burhan Otour, Laurens Porzenheim, Simon Pukrop, Erik Schilling, Michael Schlichtig, Marcel Stienemeier
2018 B conf
Practical, Anonymous, and Publicly Linkable Universally-Composable Reputation Systems.
CT-RSA
Johannes Blömer, Fabian Eidens, Jakob Juhnke
2018 J jnl
Practical, Anonymous, and Publicly Linkable Universally-Composable Reputation Systems.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Fabian Eidens, Jakob Juhnke
2018 J jnl
Voronoi Cells of Lattices with Respect to Arbitrary Norms.
SIAM J. Appl. Algebra Geom.
Johannes Blömer, Kathlén Kohn
2017 — conf
Attribute-Based Encryption as a Service for Access Control in Large-Scale Organizations.
FPS
Johannes Blömer, Peter Günther, Volker Krummel, Nils Löken
2017 — ed.
Mathematical Aspects of Computer and Information Sciences - 7th International Conference, MACIS 2017, Vienna, Austria, November 15-17, 2017, Proceedings
MACIS
Johannes Blömer, Ilias S. Kotsireas, Temur Kutsia, Dimitris E. Simos
2017 — conf
Subtleties in Security Definitions for Predicate Encryption with Public Index.
MACIS
Johannes Blömer, Gennadij Liske
2017 J jnl
Subtleties in Security Definitions for Predicate Encryption with Public Index.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Gennadij Liske
2016 A* conf
A Theoretical Analysis of the Fuzzy K-Means Problem.
ICDM
Johannes Blömer, Sascha Brauer, Kathrin Bujna
2016 — conf
Adaptive Seeding for Gaussian Mixture Models.
PAKDD (2)
Johannes Blömer, Kathrin Bujna
2016 B conf
Construction of Fully CCA-Secure Predicate Encryptions from Pair Encoding Schemes.
CT-RSA
Johannes Blömer, Gennadij Liske
2016 J jnl
Construction of Fully CCA-Secure Predicate Encryptions from Pair Encoding Schemes.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Gennadij Liske
2016 J jnl
Hard-Clustering with Gaussian Mixture Models.
CoRR
Johannes Blömer, Sascha Brauer, Kathrin Bujna
2016 J jnl
On Coreset Constructions for the Fuzzy $K$-Means Problem.
CoRR
Johannes Blömer, Sascha Brauer, Kathrin Bujna
2016 J jnl
Theoretical Analysis of the $k$-Means Algorithm - A Survey.
CoRR
Johannes Blömer, Christiane Lammersen, Melanie Schmidt, Christian Sohler
2016 — ch.
Theoretical Analysis of the k-Means Algorithm - A Survey.
Algorithm Engineering
Johannes Blömer, Christiane Lammersen, Melanie Schmidt, Christian Sohler
2015 — conf
Anonymous and Publicly Linkable Reputation Systems.
Financial Cryptography
Johannes Blömer, Jakob Juhnke, Christina Kolb
2015 J jnl
Complexity and Approximation of the Fuzzy K-Means Problem.
CoRR
Johannes Blömer, Sascha Brauer, Kathrin Bujna
2015 — conf
Short Group Signatures with Distributed Traceability.
MACIS
Johannes Blömer, Jakob Juhnke, Nils Löken
2015 C conf
Singular Curve Point Decompression Attack.
FDTC
Johannes Blömer, Peter Günther
2015 J jnl
Voronoi Cells of Lattices with Respect to Arbitrary Norms.
CoRR
Johannes Blömer, Kathlén Kohn
2014 C conf
A Practical Second-Order Fault Attack against a Real-World Pairing Implementation.
FDTC
Johannes Blömer, Ricardo Gomes da Silva, Peter Günther, Juliane Krämer, Jean-Pierre Seifert
2014 J jnl
A Practical Second-Order Fault Attack against a Real-World Pairing Implementation.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Ricardo Gomes da Silva, Peter Günther, Juliane Krämer, Jean-Pierre Seifert
2014 B conf
A Theoretical and Experimental Comparison of the EM and SEM Algorithm.
ICPR
Johannes Blömer, Kathrin Bujna, Daniel Kuntze
2014 J jnl
Analysis of Agglomerative Clustering.
Algorithmica
Marcel R. Ackermann, Johannes Blömer, Daniel Kuntze, Christian Sohler
2014 J jnl
Anonymous and Publicly Linkable Reputation Systems.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Jakob Juhnke, Christina Kolb
2014 J jnl
Constructing CCA-secure predicate encapsulation schemes from CPA-secure schemes and universal one-way hash functions.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Gennadij Liske
2014 C conf
Tampering Attacks in Pairing-Based Cryptography.
FDTC
Johannes Blömer, Peter Günther, Gennadij Liske
2013 J jnl
A Theoretical and Experimental Comparison of the EM and SEM Algorithm.
CoRR
Johannes Blömer, Kathrin Bujna, Daniel Kuntze
2013 J jnl
Direct Chosen-Ciphertext Secure Attribute-Based Key Encapsulations without Random Oracles.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Gennadij Liske
2013 — conf
Improved Side Channel Attacks on Pairing Based Cryptography.
COSADE
Johannes Blömer, Peter Günther, Gennadij Liske
2013 J jnl
Simple Methods for Initializing the EM Algorithm for Gaussian Mixture Models.
CoRR
Johannes Blömer, Kathrin Bujna
2012 J jnl
Turing und Kryptografie.
Inform. Spektrum
Johannes Blömer
2011 A conf
Analysis of Agglomerative Clustering.
STACS
Marcel R. Ackermann, Johannes Blömer, Daniel Kuntze, Christian Sohler
2011 J jnl
Hardness and Non-Approximability of Bregman Clustering Problems.
Electron. Colloquium Comput. Complex.
Marcel R. Ackermann, Johannes Blömer, Christoph Scholz
2011 — ch.
How to Share a Secret.
Algorithms Unplugged
Johannes Blömer
2011 J jnl
Improved Side Channel Attacks on Pairing Based Cryptography.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Peter Günther, Gennadij Liske
2011 J jnl
Solving the Closest Vector Problem with respect to ℓ
CoRR
Johannes Blömer, Stefanie Naewe
2010 J jnl
Analysis of Agglomerative Clustering
CoRR
Marcel R. Ackermann, Johannes Blömer, Daniel Kuntze, Christian Sohler
2010 — conf
Bregman Clustering for Separable Instances.
SWAT
Marcel R. Ackermann, Johannes Blömer
2010 J jnl
Clustering for metric and nonmetric distance measures.
ACM Trans. Algorithms
Marcel R. Ackermann, Johannes Blömer, Christian Sohler
2010 — conf
Engineering self-coordinating software intensive systems.
FoSER
Wilhelm Schäfer, Mauro Birattari, Johannes Blömer, Marco Dorigo, Gregor Engels, Rehan O'Grady, Marco Platzner, Franz-Josef Rammig, Wolfgang Reif, Ansgar Trächtler
2010 — conf
On the Initialization of Dynamic Models for Speech Features.
Sprachkommunikation
Alexander Krueger, Volker Leutnant, Reinhold Haeb-Umbach, Marcel R. Ackermann, Johannes Blömer
2009 A* conf
Coresets and approximate clustering for Bregman divergences.
SODA
Marcel R. Ackermann, Johannes Blömer
2009 J jnl
Sampling methods for shortest vectors, closest vectors and successive minima.
Theor. Comput. Sci.
Johannes Blömer, Stefanie Naewe
2008 A* conf
Clustering for metric and non-metric distance measures.
SODA
Marcel R. Ackermann, Johannes Blömer, Christian Sohler
2008 — ed.
Cryptography, 16.09. - 21.09.2007
Cryptography
Johannes Blömer, Dan Boneh, Ronald Cramer, Ueli M. Maurer
2008 — ch.
Teilen von Geheimnissen.
Taschenbuch der Algorithmen
Johannes Blömer
2007 — conf
07381 Abstracts Collection -- Cryptography.
Cryptography
Johannes Blömer, Dan Boneh, Ronald Cramer, Ueli M. Maurer
2007 — conf
07381 Executive Summary - Cryptography.
Cryptography
Johannes Blömer, Dan Boneh, Ronald Cramer, Ueli M. Maurer
2007 B conf
Analysis of Countermeasures Against Access Driven Cache Attacks on AES.
Selected Areas in Cryptography
Johannes Blömer, Volker Krummel
2007 J jnl
Analysis of countermeasures against access driven cache attacks on AES.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Volker Krummel
2007 A* conf
Sampling Methods for Shortest Vectors, Closest Vectors and Successive Minima.
ICALP
Johannes Blömer, Stefanie Naewe
2006 C conf
Fault Based Collision Attacks on AES.
FDTC
Johannes Blömer, Volker Krummel
2006 J jnl
Randomness and Secrecy - A Brief Introduction.
J. Univers. Comput. Sci.
Johannes Blömer
2006 C conf
Sign Change Fault Attacks on Elliptic Curve Cryptosystems.
FDTC
Johannes Blömer, Martin Otto, Jean-Pierre Seifert
2006 C conf
Wagner's Attack on a Secure CRT-RSA Algorithm Reconsidered.
FDTC
Johannes Blömer, Martin Otto
2005 A* conf
A Tool Kit for Finding Small Roots of Bivariate Polynomials over the Integers.
EUROCRYPT
Johannes Blömer, Alexander May
2004 — conf
A Generalized Wiener Attack on RSA.
Public Key Cryptography
Johannes Blömer, Alexander May
2004 B conf
Provably Secure Masking of AES.
Selected Areas in Cryptography
Johannes Blömer, Jorge Guajardo, Volker Krummel
2004 J jnl
Provably Secure Masking of AES.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Jorge Guajardo, Volker Krummel
2004 J jnl
Sign Change Fault Attacks On Elliptic Curve Cryptosystems.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Martin Otto, Jean-Pierre Seifert
2003 A* conf
A new CRT-RSA algorithm secure against bellcore attacks.
CCS
Johannes Blömer, Martin Otto, Jean-Pierre Seifert
2003 — conf
Fault Based Cryptanalysis of the Advanced Encryption Standard (AES).
Financial Cryptography
Johannes Blömer, Jean-Pierre Seifert
2003 A* conf
New Partial Key Exposure Attacks on RSA.
CRYPTO
Johannes Blömer, Alexander May
2002 J jnl
Fault based cryptanalysis of the Advanced Encryption Standard.
IACR Cryptol. ePrint Arch.
Johannes Blömer, Jean-Pierre Seifert
2001 B conf
Key Revocation with Interval Cover Families.
Selected Areas in Cryptography
Johannes Blömer, Alexander May
2001 — conf
Low Secret Exponent RSA Revisited.
CaLC
Johannes Blömer, Alexander May
2000 A* conf
Closest Vectors, Successive Minima, and Dual HKZ-Bases of Lattices.
ICALP
Johannes Blömer
2000 J jnl
Denesting by Bounded Degree Radicals.
Algorithmica
Johannes Blömer
1999 A* conf
On the Complexity of Computing Short Linearly Independent Vectors and Short Bases in a Lattice.
STOC
Johannes Blömer, Jean-Pierre Seifert
1998 A conf
A Probabilistic Zero-Test for Expressions Involving Root of Rational Numbers.
ESA
Johannes Blömer
1997 A conf
Denesting by Bounded Degree Radicals.
ESA
Johannes Blömer
1997 J jnl
The rank of sparse random matrices over finite fields.
Random Struct. Algorithms
Johannes Blömer, Richard M. Karp, Emo Welzl
1996 J jnl
Priority encoding transmission.
IEEE Trans. Inf. Theory
Andres Albanese, Johannes Blömer, Jeff Edmonds, Michael Luby, Madhu Sudan
1995 J jnl
Approximate Matching of Polygonal Shapes.
Ann. Math. Artif. Intell.
Helmut Alt, Bernd Behrends, Johannes Blömer
1994 A* conf
Priority Encoding Transmission
FOCS
Andres Albanese, Johannes Blömer, Jeff Edmonds, Michael Luby, Madhu Sudan
1993 — —
Simplifying expressions involving radicals.
Johannes Blömer
1992 A* conf
How to Denest Ramanujan's Nested Radicals
FOCS
Johannes Blömer
1992 — conf
Resemblance and Symmetries of Geometric Patterns.
Data Structures and Efficient Algorithms
Helmut Alt, Johannes Blömer
1991 — conf
Approximate Matching of Polygonal Shapes (Extended Abstract).
SCG
Helmut Alt, Bernd Behrends, Johannes Blömer
1991 A* conf
Computing Sums of Radicals in Polynomial Time
FOCS
Johannes Blömer
1990 A* conf
Approximation of Convex Polygons.
ICALP
Helmut Alt, Johannes Blömer, Hubert Wagener