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79 Publications
2020 | Journal Article | LibreCat-ID: 20888
Blömer, J., Brauer, S., & Bujna, K. (2020). A Complexity Theoretical Study of Fuzzy K-Means. ACM Transactions on Algorithms, 16(4), 1–25. https://doi.org/10.1145/3409385
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2004 | Book Chapter | LibreCat-ID: 3012
Blömer, J., & May, A. (2004). A Generalized Wiener Attack on RSA. In Public Key Cryptography – PKC 2004 (pp. 1–13). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-24632-9_1
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2023 | Conference Paper | LibreCat-ID: 43458 | 
Blömer, J., Bobolz, J., & Porzenheim, L. A. (2023). A Generic Construction of an Anonymous Reputation System and Instantiations from Lattices. Asiacrypt 2023, Guangzhou, China.
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1998 | Journal Article | LibreCat-ID: 3028
Blömer, J., & Trachsler, B. (1998). A lower bound for a class of graph based loss resilient codes. Technical Report/Departement of Computer Science, ETH Zürich.
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2004 | Conference Paper | LibreCat-ID: 3017
Blömer, J., Otto, M., & Seifert, J.-P. (2004). A new CRT-RSA algorithm secure against bellcore attacks. In Proceedings of the 10th ACM conference on Computer and communication security - CCS ’03. ACM Press. https://doi.org/10.1145/948109.948151
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2014 | Conference Paper | LibreCat-ID: 463
Blömer, J., Gomes da Silva, R., Günther, P., Krämer, J., & Seifert, J.-P. (2014). A Practical Second-Order Fault Attack against a Real-World Pairing Implementation. In Proceedings of Fault Tolerance and Diagnosis in Cryptography(FDTC) (pp. 123--136). https://doi.org/10.1109/FDTC.2014.22
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2007 | Book Chapter | LibreCat-ID: 3026
Blömer, J. (2007). A Probabilistic Zero-Test for Expressions Involving Roots of Rational Numbers. In Algorithms — ESA’ 98 (pp. 151–162). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/3-540-68530-8_13
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2016 | Conference Paper | LibreCat-ID: 2367
Blömer, J., Brauer, S., & Bujna, K. (2016). A Theoretical Analysis of the Fuzzy K-Means Problem. In 2016 IEEE 16th International Conference on Data Mining (ICDM) (pp. 805–810). Barcelona, Spain: IEEE. https://doi.org/10.1109/icdm.2016.0094
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2014 | Conference Paper | LibreCat-ID: 2977
Blömer, J., Bujna, K., & Kuntze, D. (2014). A Theoretical and Experimental Comparison of the EM and SEM Algorithm. In 2014 22nd International Conference on Pattern Recognition. IEEE. https://doi.org/10.1109/icpr.2014.253
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2005 | Book Chapter | LibreCat-ID: 3006
Blömer, J., & May, A. (2005). A Tool Kit for Finding Small Roots of Bivariate Polynomials over the Integers. In EUROCRYPT 2005 (pp. 251–267). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/11426639_15
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2016 | Book Chapter | LibreCat-ID: 2970
Blömer, J., & Bujna, K. (2016). Adaptive Seeding for Gaussian Mixture Models. In Advances in Knowledge Discovery and Data Mining (pp. 296–308). Cham: Springer International Publishing. https://doi.org/10.1007/978-3-319-31750-2_24
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2016 | Book Chapter | LibreCat-ID: 2978
Blömer, J., & Bujna, K. (2016). Adaptive Seeding for Gaussian Mixture Models. In Advances in Knowledge Discovery and Data Mining (pp. 296–308). Springer International Publishing. https://doi.org/10.1007/978-3-319-31750-2_24
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1995 | Report | LibreCat-ID: 3038
Blömer, J., Kalfane, M., Karp, R., Karpinski, M., Luby, M., & Zuckerman, D. (1995). An XOR-based erasure-resilient coding scheme. Berkeley, USA.
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2014 | Journal Article | LibreCat-ID: 2976
Ackermann, M. R., Blömer, J., Kuntze, D., & Sohler, C. (2014). Analysis of Agglomerative Clustering. Algorithmica, 69. https://doi.org/10.1007/s00453-012-9717-4
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2007 | Book Chapter | LibreCat-ID: 3002 |
Blömer, J., & Krummel, V. (2007). Analysis of Countermeasures Against Access Driven Cache Attacks on AES. In Selected Areas in Cryptography (pp. 96–109). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-77360-3_7
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2015 | Conference Paper | LibreCat-ID: 322 |
Blömer, J., Juhnke, J., & Kolb, C. (2015). Anonymous and Publicly Linkable Reputation Systems. In Proceedings of the 18th International Conference on Financial Cryptography and Data Security (FC) (pp. 478--488). https://doi.org/10.1007/978-3-662-47854-7_29
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1995 | Journal Article | LibreCat-ID: 3037
Alt, H., Behrends, B., & Blömer, J. (1995). Approximate matching of polygonal shapes. Annals of Mathematics and Artificial Intelligence, 13(3).
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1991 | Conference Paper | LibreCat-ID: 3048
Alt, H., Behrends, B., & Blömer, J. (1991). Approximate matching of polygonal shapes (extended abstract). In Proceedings of the seventh annual symposium on Computational geometry - SCG ’91. ACM Press. https://doi.org/10.1145/109648.109669
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1990 | Book Chapter | LibreCat-ID: 3050
Alt, H., Blömer, J., & Wagener, H. (1990). Approximation of convex polygons. In Automata, Languages and Programming (pp. 703–716). Berlin/Heidelberg: Springer-Verlag. https://doi.org/10.1007/bfb0032068
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2017 | Conference Paper | LibreCat-ID: 2344 |
Blömer, J., Günther, P., Krummel, V., & Löken, N. (2017). Attribute-Based Encryption as a Service for Access Control in Large-Scale Organizations. In Foundations and Practice of Security (pp. 3–17). Cham: Springer International Publishing. https://doi.org/10.1007/978-3-319-75650-9_1
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2010 | Book Chapter | LibreCat-ID: 2988
Ackermann, M. R., & Blömer, J. (2010). Bregman Clustering for Separable Instances. In SWAT 2010 (pp. 212–223). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-13731-0_21
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2000 | Book Chapter | LibreCat-ID: 3023
Blömer, J. (2000). Closest Vectors, Successive Minima, and Dual HKZ-Bases of Lattices. In Automata, Languages and Programming (pp. 248–259). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/3-540-45022-x_22
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2018 | Conference Paper | LibreCat-ID: 2965
Blömer, J., & Löken, N. (n.d.). Cloud Architectures for Searchable Encryption. In Proceedings of the 13th International Conference on Availability, Reliability and Security, ARES 2018 (pp. 25:1--25:10). New York, NY, USA: ACM. https://doi.org/10.1145/3230833.3230853
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2010 | Journal Article | LibreCat-ID: 2990
Ackermann, M. R., Blömer, J., & Sohler, C. (2010). Clustering for Metric and Nonmetric Distance Measures. ACM Trans. Algorithms, (4), 59:1--59:26. https://doi.org/10.1145/1824777.1824779
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1991 | Conference Paper | LibreCat-ID: 3049
Blömer, J. (1991). Computing sums of radicals in polynomial time. In Proceedings 32nd Annual Symposium of Foundations of Computer Science. IEEE Comput. Soc. Press. https://doi.org/10.1109/sfcs.1991.185434
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2002 | Conference Paper | LibreCat-ID: 3041
Blömer, J. (2002). Computing sums of radicals in polynomial time. [1991] Proceedings 32nd Annual Symposium of Foundations of Computer Science. https://doi.org/10.1109/sfcs.1991.185434
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2014 | Preprint | LibreCat-ID: 442 |
Blömer, J., & Liske, G. (2014). Constructing CCA-secure predicate encapsulation schemes from CPA-secure schemes and universal one-way hash functions. Universität Paderborn.
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2016 | Conference Paper | LibreCat-ID: 208
Blömer, J., & Liske, G. (2016). Construction of Fully CCA-Secure Predicate Encryptions from Pair Encoding Schemes. In Proceedings of the CT-RSA 2016 (pp. 431–447). https://doi.org/10.1007/978-3-319-29485-8_25
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2009 | Book Chapter | LibreCat-ID: 2995
Ackermann, M. R., & Blömer, J. (2009). Coresets and Approximate Clustering for Bregman Divergences. In Proceedings of the Twentieth Annual ACM-SIAM Symposium on Discrete Algorithms (pp. 1088–1097). Philadelphia, PA: Society for Industrial and Applied Mathematics. https://doi.org/10.1137/1.9781611973068.118
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2018 | Conference Paper | LibreCat-ID: 4344
Blömer, J., Brauer, S., & Bujna, K. (2018). Coresets for Fuzzy K-Means with Applications. In 29th International Symposium on Algorithms and Computation (ISAAC 2018) (pp. 46:1--46:12). Jiaoxi, Yilan County, Taiwan: Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik. https://doi.org/10.4230/LIPIcs.ISAAC.2018.46
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2018 | Conference Paper | LibreCat-ID: 2379 |
Blömer, J., & Bobolz, J. (n.d.). Delegatable Attribute-based Anonymous Credentials from Dynamically Malleable Signatures. ACNS 2018 Applied Cryptography & Network Security. The 16th International Conference on Applied Cryptography and Network Security, Leuven, Belgium. https://doi.org/10.1007/978-3-319-93387-0_12
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1997 | Book Chapter | LibreCat-ID: 3029
Blömer, J. (1997). Denesting by bounded degree radicals. In Algorithms — ESA ’97 (pp. 53–63). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/3-540-63397-9_5
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2023 | Conference Paper | LibreCat-ID: 44855
Hemmrich, S., Bobolz, J., Beverungen, D., & Blömer, J. (2023). Designing Business Reputation Ecosystems — A Method for Issuing and Trading Monetary Ratings on a Blockchain. ECIS 2023 Research Papers. ECIS 2023.
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2013 | Preprint | LibreCat-ID: 538 |
Blömer, J., & Liske, G. (2013). Direct Chosen-Ciphertext Secure Attribute-Based Key Encapsulations without Random Oracles. Universität Paderborn.
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2019 | Conference Paper | LibreCat-ID: 13557 |
Blömer, J., & Löken, N. (2019). Dynamic Searchable Encryption with Access Control. In 12th International Symposium on Foundations and Practice of Security, FPS 2019 (Vol. 12056). Springer.
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2016 | Report | LibreCat-ID: 2971
Blömer, J., & Günther, P. (2016). Effizienz und Sicherheit paarungsbasierter Kryptographie. Tagungsband des 26. Fraunhofer SIT Smartcard-Workshops.
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2010 | Conference Paper | LibreCat-ID: 2994
Schäfer, W., Trächtler, A., Birattari, M., Blömer, J., Dorigo, M., Engels, G., … Reif, W. (2010). Engineering self-coordinating software intensive systems. In Proceedings of the FSE/SDP workshop on Future of software engineering research - FoSER ’10. ACM Press. https://doi.org/10.1145/1882362.1882428
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2018 | Conference Paper | LibreCat-ID: 3873 |
Blömer, J., Eidens, F., & Juhnke, J. (2018). Enhanced Security of Attribute-Based Signatures. The International Conference on Cryptology And Network Security (CANS), 11124, 235–255. https://doi.org/10.1007/978-3-030-00434-7_12
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2006 | Book Chapter | LibreCat-ID: 3004
Blömer, J., & Krummel, V. (2006). Fault Based Collision Attacks on AES. In Lecture Notes in Computer Science (pp. 106–120). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/11889700_11
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2003 | Book Chapter | LibreCat-ID: 3018
Blömer, J., & Seifert, J.-P. (2003). Fault Based Cryptanalysis of the Advanced Encryption Standard (AES). In Financial Cryptography (pp. 162–181). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-45126-6_12
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2018 | Conference Paper | LibreCat-ID: 3265 |
Bemmann, K., Blömer, J., Bobolz, J., Bröcher, H., Diemert, D. P., Eidens, F., … Stienemeier, M. (n.d.). Fully-Featured Anonymous Credentials with Reputation System. In Proceedings of the 13th International Conference on Availability, Reliability and Security - ARES ’18. New York, NY, USA: ACM. https://doi.org/10.1145/3230833.3234517
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2016 | Preprint | LibreCat-ID: 2969 |
Blömer, J., Brauer, S., & Bujna, K. (2016). Hard-Clustering with Gaussian Mixture Models. Computing Research Repository.
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2011 | Conference Paper | LibreCat-ID: 2985
Ackermann, M. R., Blömer, J., & Scholz, C. (2011). Hardness and Non-Approximability of Bregman Clustering Problems.
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1992 | Conference Paper | LibreCat-ID: 3047
Blömer, J. (1992). How to denest Ramanujan’s nested radicals. In Proceedings., 33rd Annual Symposium on Foundations of Computer Science. IEEE. https://doi.org/10.1109/sfcs.1992.267807
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2011 | Book Chapter | LibreCat-ID: 2986
Blömer, J. (2011). How to Share a Secret. In Algorithms Unplugged (pp. 159–168). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-15328-0_17
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2020 | Journal Article | LibreCat-ID: 10790
Blömer, J., Brauer, S., Bujna, K., & Kuntze, D. (2020). How well do SEM algorithms imitate EM algorithms? A non-asymptotic analysis for mixture models. Advances in Data Analysis and Classification, 14, 147–173. https://doi.org/10.1007/s11634-019-00366-7
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2013 | Book Chapter | LibreCat-ID: 2979
Blömer, J., Günther, P., & Liske, G. (2013). Improved Side Channel Attacks on Pairing Based Cryptography. In Constructive Side-Channel Analysis and Secure Design (pp. 154–168). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-40026-1_10
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2007 | Book Chapter | LibreCat-ID: 3021
Blömer, J., & May, A. (2007). Key Revocation with Interval Cover Families. In Selected Areas in Cryptography (pp. 325–341). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/3-540-45537-x_26
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2007 | Book Chapter | LibreCat-ID: 3020
Blömer, J., & May, A. (2007). Low Secret Exponent RSA Revisited. In Lecture Notes in Computer Science (pp. 4–19). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/3-540-44670-2_2
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2003 | Book Chapter | LibreCat-ID: 3016
Blömer, J., & May, A. (2003). New Partial Key Exposure Attacks on RSA. In Advances in Cryptology - CRYPTO 2003 (pp. 27–43). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-45146-4_2
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