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109 Publications


2020 | Journal Article | LibreCat-ID: 20888
@article{Blömer_Brauer_Bujna_2020, title={A Complexity Theoretical Study of Fuzzy K-Means}, volume={16}, DOI={10.1145/3409385}, number={4}, journal={ACM Transactions on Algorithms}, author={Blömer, Johannes and Brauer, Sascha and Bujna, Kathrin}, year={2020}, pages={1–25} }
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2004 | Book Chapter | LibreCat-ID: 3012
@inbook{Blömer_May_2004, place={Berlin, Heidelberg}, title={A Generalized Wiener Attack on RSA}, DOI={10.1007/978-3-540-24632-9_1}, booktitle={Public Key Cryptography – PKC 2004}, publisher={Springer Berlin Heidelberg}, author={Blömer, Johannes and May, Alexander}, year={2004}, pages={1–13} }
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2023 | Conference Paper | LibreCat-ID: 43458 | OA
@inproceedings{Blömer_Bobolz_Porzenheim_2023, title={A Generic Construction of an Anonymous Reputation System and Instantiations from Lattices}, author={Blömer, Johannes and Bobolz, Jan and Porzenheim, Laurens Alexander}, year={2023} }
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1998 | Journal Article | LibreCat-ID: 3028
@article{Blömer_Trachsler_1998, title={A lower bound for a class of graph based loss resilient codes}, journal={Technical report/Departement of Computer Science, ETH Zürich}, author={Blömer, Johannes and Trachsler, Beat}, year={1998} }
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2004 | Conference Paper | LibreCat-ID: 3017
@inproceedings{Blömer_Otto_Seifert_2004, title={A new CRT-RSA algorithm secure against bellcore attacks}, DOI={10.1145/948109.948151}, booktitle={Proceedings of the 10th ACM conference on Computer and communication security  - CCS ’03}, publisher={ACM Press}, author={Blömer, Johannes and Otto, Martin and Seifert, Jean-Pierre}, year={2004} }
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2014 | Conference Paper | LibreCat-ID: 463
@inproceedings{Blömer_Gomes da Silva_Günther_Krämer_Seifert_2014, title={A Practical Second-Order Fault Attack against a Real-World Pairing Implementation}, DOI={10.1109/FDTC.2014.22}, booktitle={Proceedings of Fault Tolerance and Diagnosis in Cryptography(FDTC)}, author={Blömer, Johannes and Gomes da Silva, Ricardo and Günther, Peter and Krämer, Juliane and Seifert, Jean-Pierre}, year={2014}, pages={123--136} }
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2007 | Book Chapter | LibreCat-ID: 3026
@inbook{Blömer_2007, place={Berlin, Heidelberg}, title={A Probabilistic Zero-Test for Expressions Involving Roots of Rational Numbers}, DOI={10.1007/3-540-68530-8_13}, booktitle={Algorithms — ESA’ 98}, publisher={Springer Berlin Heidelberg}, author={Blömer, Johannes}, year={2007}, pages={151–162} }
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2016 | Conference Paper | LibreCat-ID: 2367
@inproceedings{Blömer_Brauer_Bujna_2016, title={A Theoretical Analysis of the Fuzzy K-Means Problem}, DOI={10.1109/icdm.2016.0094}, booktitle={2016 IEEE 16th International Conference on Data Mining (ICDM)}, publisher={IEEE}, author={Blömer, Johannes and Brauer, Sascha and Bujna, Kathrin}, year={2016}, pages={805–810} }
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2014 | Conference Paper | LibreCat-ID: 2977
@inproceedings{Blömer_Bujna_Kuntze_2014, title={A Theoretical and Experimental Comparison of the EM and SEM Algorithm}, DOI={10.1109/icpr.2014.253}, booktitle={2014 22nd International Conference on Pattern Recognition}, publisher={IEEE}, author={Blömer, Johannes and Bujna, Kathrin and Kuntze, Daniel}, year={2014} }
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2005 | Book Chapter | LibreCat-ID: 3006
@inbook{Blömer_May_2005, place={Berlin, Heidelberg}, series={Lecture Notes in Computer Science}, title={A Tool Kit for Finding Small Roots of Bivariate Polynomials over the Integers}, DOI={10.1007/11426639_15}, booktitle={EUROCRYPT 2005}, publisher={Springer Berlin Heidelberg}, author={Blömer, Johannes and May, Alexander}, year={2005}, pages={251–267}, collection={Lecture Notes in Computer Science} }
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2016 | Book Chapter | LibreCat-ID: 2970
@inbook{Blömer_Bujna_2016, place={Cham}, title={Adaptive Seeding for Gaussian Mixture Models}, DOI={10.1007/978-3-319-31750-2_24}, booktitle={Advances in Knowledge Discovery and Data Mining}, publisher={Springer International Publishing}, author={Blömer, Johannes and Bujna, Kathrin}, year={2016}, pages={296–308} }
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2016 | Book Chapter | LibreCat-ID: 2978
@inbook{Blömer_Bujna_2016, place={Cham}, title={Adaptive Seeding for Gaussian Mixture Models}, DOI={10.1007/978-3-319-31750-2_24}, booktitle={Advances in Knowledge Discovery and Data Mining}, publisher={Springer International Publishing}, author={Blömer, Johannes and Bujna, Kathrin}, year={2016}, pages={296–308} }
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2011 | Dissertation | LibreCat-ID: 2910
@book{Naewe_2011, title={Algorithms for lattice problems with respect to general norms}, publisher={Universität Paderborn}, author={Naewe, Stefanie}, year={2011} }
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2009 | Dissertation | LibreCat-ID: 2911
@book{Ackermann_2009, title={Algorithms for the Bregman k-Median Problem}, publisher={Universität Paderborn}, author={Ackermann, Marcel Rudolf}, year={2009} }
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2013 | Report | LibreCat-ID: 2917
@book{Juhnke_Lefmann_Strehl_2013, title={An Approach for Determining Optimal Contrast in Visual Cryptography}, publisher={Fortschritt-Berichte VDI}, author={Juhnke, Jakob and Lefmann, Hanno and Strehl, Volker}, year={2013} }
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1995 | Report | LibreCat-ID: 3038
@book{Blömer_Kalfane_Karp_Karpinski_Luby_Zuckerman_1995, place={Berkeley, USA}, series={Technical Report, International Computer Science Institute}, title={An XOR-based erasure-resilient coding scheme}, author={Blömer, Johannes and Kalfane, Malik and Karp, Richard and Karpinski, Marek and Luby, Michael and Zuckerman, David}, year={1995}, collection={Technical Report, International Computer Science Institute} }
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2014 | Journal Article | LibreCat-ID: 2976
@article{Ackermann_Blömer_Kuntze_Sohler_2014, title={Analysis of Agglomerative Clustering}, volume={69}, DOI={10.1007/s00453-012-9717-4}, journal={Algorithmica}, publisher={Springer US}, author={Ackermann, Marcel Rudolf and Blömer, Johannes and Kuntze, Daniel and Sohler, Christian}, year={2014} }
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2007 | Book Chapter | LibreCat-ID: 3002 | OA
@inbook{Blömer_Krummel_2007, place={Berlin, Heidelberg}, title={Analysis of Countermeasures Against Access Driven Cache Attacks on AES}, DOI={10.1007/978-3-540-77360-3_7}, booktitle={Selected Areas in Cryptography}, publisher={Springer Berlin Heidelberg}, author={Blömer, Johannes and Krummel, Volker}, year={2007}, pages={96–109} }
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2015 | Conference Paper | LibreCat-ID: 322 | OA
@inproceedings{Blömer_Juhnke_Kolb_2015, series={LNCS}, title={Anonymous and Publicly Linkable Reputation Systems}, DOI={10.1007/978-3-662-47854-7_29}, booktitle={Proceedings of the 18th International Conference on Financial Cryptography and Data Security (FC)}, author={Blömer, Johannes and Juhnke, Jakob and Kolb, Christina}, year={2015}, pages={478--488}, collection={LNCS} }
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1995 | Journal Article | LibreCat-ID: 3037
@article{Alt_Behrends_Blömer_1995, title={Approximate matching of polygonal shapes}, volume={13}, number={3}, journal={Annals of Mathematics and Artificial Intelligence}, author={Alt, Helmut and Behrends, Bernd and Blömer, Johannes}, year={1995} }
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1991 | Conference Paper | LibreCat-ID: 3048
@inproceedings{Alt_Behrends_Blömer_1991, title={Approximate matching of polygonal shapes (extended abstract)}, DOI={10.1145/109648.109669}, booktitle={Proceedings of the seventh annual symposium on Computational geometry  - SCG ’91}, publisher={ACM Press}, author={Alt, Helmut and Behrends, Bernd and Blömer, Johannes}, year={1991} }
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1990 | Book Chapter | LibreCat-ID: 3050
@inbook{Alt_Blömer_Wagener_1990, place={Berlin/Heidelberg}, title={Approximation of convex polygons}, DOI={10.1007/bfb0032068}, booktitle={Automata, Languages and Programming}, publisher={Springer-Verlag}, author={Alt, Helmut and Blömer, Johannes and Wagener, Hubert}, year={1990}, pages={703–716} }
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2017 | Conference Paper | LibreCat-ID: 2344 | OA
@inproceedings{Blömer_Günther_Krummel_Löken_2017, place={Cham}, title={Attribute-Based Encryption as a Service for Access Control in Large-Scale Organizations}, DOI={10.1007/978-3-319-75650-9_1}, booktitle={Foundations and Practice of Security}, publisher={Springer International Publishing}, author={Blömer, Johannes and Günther, Peter and Krummel, Volker and Löken, Nils}, year={2017}, pages={3–17} }
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2010 | Book Chapter | LibreCat-ID: 2988
@inbook{Ackermann_Blömer_2010, place={Berlin, Heidelberg}, series={Lecture Notes in Computer Science}, title={Bregman Clustering for Separable Instances}, DOI={10.1007/978-3-642-13731-0_21}, booktitle={SWAT 2010}, publisher={Springer Berlin Heidelberg}, author={Ackermann, Marcel R. and Blömer, Johannes}, year={2010}, pages={212–223}, collection={Lecture Notes in Computer Science} }
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2017 | Dissertation | LibreCat-ID: 116
@book{Liske_2017, title={CCA-Security for Predicate Encryption Schemes}, DOI={10.17619/UNIPB/1-220}, publisher={Universität Paderborn}, author={Liske, Gennadij}, year={2017} }
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2019 | Dissertation | LibreCat-ID: 13679
@book{Brauer_2019, place={Paderborn}, title={Classification and Approximation of Geometric Location Problems}, DOI={10.17619/UNIPB/1-816}, author={Brauer, Sascha}, year={2019} }
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2000 | Book Chapter | LibreCat-ID: 3023
@inbook{Blömer_2000, place={Berlin, Heidelberg}, title={Closest Vectors, Successive Minima, and Dual HKZ-Bases of Lattices}, DOI={10.1007/3-540-45022-x_22}, booktitle={Automata, Languages and Programming}, publisher={Springer Berlin Heidelberg}, author={Blömer, Johannes}, year={2000}, pages={248–259} }
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2018 | Conference Paper | LibreCat-ID: 2965
@inproceedings{Blömer_Löken, place={New York, NY, USA}, title={Cloud Architectures for Searchable Encryption}, DOI={10.1145/3230833.3230853}, booktitle={Proceedings of the 13th International Conference on Availability, Reliability and Security, ARES 2018}, publisher={ACM}, author={Blömer, Johannes and Löken, Nils}, pages={25:1--25:10} }
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2010 | Journal Article | LibreCat-ID: 2990
@article{Ackermann_Blömer_Sohler_2010, title={Clustering for Metric and Nonmetric Distance Measures}, DOI={10.1145/1824777.1824779}, number={4}, journal={ACM Trans. Algorithms}, author={Ackermann, Marcel R. and Blömer, Johannes and Sohler, Christian}, year={2010}, pages={59:1--59:26} }
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2019 | Journal Article | LibreCat-ID: 2916
@article{Brauer_2019, title={Complexity of single-swap heuristics for metric facility location and related problems}, volume={754}, DOI={10.1016/j.tcs.2018.04.048}, journal={Theoretical Computer Science}, publisher={Elsevier}, author={Brauer, Sascha}, year={2019}, pages={88–106} }
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2017 | Book Chapter | LibreCat-ID: 2381
@inbook{Brauer_2017, place={Cham}, title={Complexity of Single-Swap Heuristics for Metric Facility Location and Related Problems}, volume={10236}, DOI={10.1007/978-3-319-57586-5_11}, booktitle={Lecture Notes in Computer Science}, publisher={Springer International Publishing}, author={Brauer, Sascha}, editor={Fotakis, Dimitris and Pagourtzis, Aris and Paschos, Vangelis Th.Editors}, year={2017}, pages={116–127} }
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1991 | Conference Paper | LibreCat-ID: 3049
@inproceedings{Blömer_1991, title={Computing sums of radicals in polynomial time}, DOI={10.1109/sfcs.1991.185434}, booktitle={Proceedings 32nd Annual Symposium of Foundations of Computer Science}, publisher={IEEE Comput. Soc. Press}, author={Blömer, Johannes}, year={1991} }
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2002 | Conference Paper | LibreCat-ID: 3041
@inproceedings{Blömer_2002, title={Computing sums of radicals in polynomial time}, DOI={10.1109/sfcs.1991.185434}, booktitle={[1991] Proceedings 32nd Annual Symposium of Foundations of Computer Science}, publisher={IEEE Comput. Soc. Press}, author={Blömer, Johannes}, year={2002} }
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2004 | Book Chapter | LibreCat-ID: 3015
@inbook{May_2004, place={Berlin, Heidelberg}, title={Computing the RSA Secret Key Is Deterministic Polynomial Time Equivalent to Factoring}, DOI={10.1007/978-3-540-28628-8_13}, booktitle={Advances in Cryptology – CRYPTO 2004}, publisher={Springer Berlin Heidelberg}, author={May, Alexander}, year={2004}, pages={213–219} }
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2014 | Preprint | LibreCat-ID: 442 | OA
@article{Blömer_Liske_2014, title={Constructing CCA-secure predicate encapsulation schemes from CPA-secure schemes and universal one-way hash functions}, publisher={Universität Paderborn}, author={Blömer, Johannes and Liske, Gennadij}, year={2014} }
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2016 | Conference Paper | LibreCat-ID: 208
@inproceedings{Blömer_Liske_2016, series={LNCS}, title={Construction of Fully CCA-Secure Predicate Encryptions from Pair Encoding Schemes}, DOI={10.1007/978-3-319-29485-8_25}, booktitle={Proceedings of the CT-RSA 2016}, author={Blömer, Johannes and Liske, Gennadij}, year={2016}, pages={431–447}, collection={LNCS} }
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2009 | Book Chapter | LibreCat-ID: 2995
@inbook{Ackermann_Blömer_2009, place={Philadelphia, PA}, title={Coresets and Approximate Clustering for Bregman Divergences}, DOI={10.1137/1.9781611973068.118}, booktitle={Proceedings of the Twentieth Annual ACM-SIAM Symposium on Discrete Algorithms}, publisher={Society for Industrial and Applied Mathematics}, author={Ackermann, Marcel R. and Blömer, Johannes}, year={2009}, pages={1088–1097} }
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2018 | Conference Paper | LibreCat-ID: 4344
@inproceedings{Blömer_Brauer_Bujna_2018, title={Coresets for Fuzzy K-Means with Applications}, DOI={10.4230/LIPIcs.ISAAC.2018.46}, booktitle={29th International Symposium on Algorithms and Computation  (ISAAC 2018)}, publisher={Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik}, author={Blömer, Johannes and Brauer, Sascha and Bujna, Kathrin}, year={2018}, pages={46:1--46:12} }
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2007 | Book Chapter | LibreCat-ID: 3019
@inbook{May_2007, place={Berlin, Heidelberg}, title={Cryptanalysis of Unbalanced RSA with Small CRT-Exponent}, DOI={10.1007/3-540-45708-9_16}, booktitle={Advances in Cryptology — CRYPTO 2002}, publisher={Springer Berlin Heidelberg}, author={May, Alexander}, year={2007}, pages={242–256} }
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2021 | Preprint | LibreCat-ID: 26645 | OA
@article{Bobolz_Eidens_Heitjohann_Fell_2021, title={Cryptimeleon: A Library for Fast Prototyping of Privacy-Preserving Cryptographic Schemes}, publisher={IACR eprint}, author={Bobolz, Jan and Eidens, Fabian and Heitjohann, Raphael and Fell, Jeremy}, year={2021} }
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2020 | Dissertation | LibreCat-ID: 15482
@book{Löken_2020, title={Cryptography for the Crowd — A Study of Cryptographic Schemes with Applications to Crowd Work}, DOI={10.17619/UNIPB/1-854}, author={Löken, Nils}, year={2020} }
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2018 | Conference Paper | LibreCat-ID: 2379 | OA
@inproceedings{Blömer_Bobolz, series={LNCS}, title={Delegatable Attribute-based Anonymous Credentials from Dynamically Malleable Signatures}, DOI={10.1007/978-3-319-93387-0_12}, booktitle={ACNS 2018 Applied Cryptography & Network security}, author={Blömer, Johannes and Bobolz, Jan}, collection={LNCS} }
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1997 | Book Chapter | LibreCat-ID: 3029
@inbook{Blömer_1997, place={Berlin, Heidelberg}, title={Denesting by bounded degree radicals}, DOI={10.1007/3-540-63397-9_5}, booktitle={Algorithms — ESA ’97}, publisher={Springer Berlin Heidelberg}, author={Blömer, Johannes}, year={1997}, pages={53–63} }
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2002 | Journal Article | LibreCat-ID: 35857
@article{Blömer_2002, title={Denesting by Bounded Degree Radicals}, volume={28}, DOI={10.1007/s004530010028}, number={1}, journal={Algorithmica}, publisher={Springer Science and Business Media LLC}, author={Blömer, J.}, year={2002}, pages={2–15} }
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2023 | Conference Paper | LibreCat-ID: 44855
@inproceedings{Hemmrich_Bobolz_Beverungen_Blömer_2023, title={Designing Business Reputation Ecosystems — A Method for Issuing and Trading Monetary Ratings on a Blockchain}, booktitle={ECIS 2023 Research Papers}, author={Hemmrich, Simon and Bobolz, Jan and Beverungen, Daniel and Blömer, Johannes}, year={2023} }
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2007 | Book Chapter | LibreCat-ID: 3022
@inbook{May_Silverman_2007, place={Berlin, Heidelberg}, title={Dimension Reduction Methods for Convolution Modular Lattices}, DOI={10.1007/3-540-44670-2_10}, booktitle={Lecture Notes in Computer Science}, publisher={Springer Berlin Heidelberg}, author={May, Alexander and Silverman, Joseph H.}, year={2007}, pages={110–125} }
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2013 | Preprint | LibreCat-ID: 538 | OA
@article{Blömer_Liske_2013, title={Direct Chosen-Ciphertext Secure Attribute-Based Key Encapsulations without Random Oracles}, publisher={Universität Paderborn}, author={Blömer, Johannes and Liske, Gennadij}, year={2013} }
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2019 | Conference Paper | LibreCat-ID: 13557 | OA
@inproceedings{Blömer_Löken_2019, series={LNCS}, title={Dynamic Searchable Encryption with Access Control}, volume={12056}, booktitle={12th International Symposium on Foundations and Practice of Security, FPS 2019}, publisher={Springer}, author={Blömer, Johannes and Löken, Nils}, year={2019}, collection={LNCS} }
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2010 | Conference Paper | LibreCat-ID: 2993
@article{Schrieb_2010, series={Proceedings of the 3rd Western European Workshop on Research in Cryptology}, title={Efficient and Compact CCA Security from Partitioned IBKEM}, author={Schrieb, Jonas}, year={2010}, collection={Proceedings of the 3rd Western European Workshop on Research in Cryptology} }
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2016 | Report | LibreCat-ID: 2971
@book{Blömer_Günther_2016, title={Effizienz und Sicherheit paarungsbasierter Kryptographie}, publisher={Tagungsband des 26. Fraunhofer SIT Smartcard-Workshops}, author={Blömer, Johannes and Günther, Peter}, year={2016} }
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