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79 Publications
2018 | Conference Paper | LibreCat-ID: 2965
J. Blömer and N. Löken, “Cloud Architectures for Searchable Encryption,” in Proceedings of the 13th International Conference on Availability, Reliability and Security, ARES 2018, Hamburg, Germany, pp. 25:1--25:10.
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2002 | Conference Paper | LibreCat-ID: 3041
J. Blömer, “Computing sums of radicals in polynomial time,” 2002, doi: 10.1109/sfcs.1991.185434.
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2014 | Preprint | LibreCat-ID: 442 |
J. Blömer and G. Liske, “Constructing CCA-secure predicate encapsulation schemes from CPA-secure schemes and universal one-way hash functions.” Universität Paderborn, 2014.
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2016 | Conference Paper | LibreCat-ID: 208
J. Blömer and G. Liske, “Construction of Fully CCA-Secure Predicate Encryptions from Pair Encoding Schemes,” in Proceedings of the CT-RSA 2016, 2016, pp. 431–447.
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2009 | Book Chapter | LibreCat-ID: 2995
M. R. Ackermann and J. Blömer, “Coresets and Approximate Clustering for Bregman Divergences,” in Proceedings of the Twentieth Annual ACM-SIAM Symposium on Discrete Algorithms, Philadelphia, PA: Society for Industrial and Applied Mathematics, 2009, pp. 1088–1097.
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2018 | Conference Paper | LibreCat-ID: 2379 |
J. Blömer and J. Bobolz, “Delegatable Attribute-based Anonymous Credentials from Dynamically Malleable Signatures,” presented at the The 16th International Conference on Applied Cryptography and Network Security, Leuven, Belgium, doi: 10.1007/978-3-319-93387-0_12.
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1997 | Book Chapter | LibreCat-ID: 3029
J. Blömer, “Denesting by bounded degree radicals,” in Algorithms — ESA ’97, Berlin, Heidelberg: Springer Berlin Heidelberg, 1997, pp. 53–63.
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2023 | Conference Paper | LibreCat-ID: 44855
S. Hemmrich, J. Bobolz, D. Beverungen, and J. Blömer, “Designing Business Reputation Ecosystems — A Method for Issuing and Trading Monetary Ratings on a Blockchain,” presented at the ECIS 2023, 2023.
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2013 | Preprint | LibreCat-ID: 538 |
J. Blömer and G. Liske, “Direct Chosen-Ciphertext Secure Attribute-Based Key Encapsulations without Random Oracles.” Universität Paderborn, 2013.
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2019 | Conference Paper | LibreCat-ID: 13557 |
J. Blömer and N. Löken, “Dynamic Searchable Encryption with Access Control,” in 12th International Symposium on Foundations and Practice of Security, FPS 2019, 2019, vol. 12056.
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2016 | Report | LibreCat-ID: 2971
J. Blömer and P. Günther, Effizienz und Sicherheit paarungsbasierter Kryptographie. Tagungsband des 26. Fraunhofer SIT Smartcard-Workshops, 2016.
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2018 | Conference Paper | LibreCat-ID: 3873 |
J. Blömer, F. Eidens, and J. Juhnke, “Enhanced Security of Attribute-Based Signatures,” in The International Conference on Cryptology And Network Security (CANS), Naples, Italy, 2018, vol. 11124, pp. 235–255, doi: 10.1007/978-3-030-00434-7_12.
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2018 | Conference Paper | LibreCat-ID: 3265 |
K. Bemmann et al., “Fully-Featured Anonymous Credentials with Reputation System,” in Proceedings of the 13th International Conference on Availability, Reliability and Security - ARES ’18, Hamburg, Germany.
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2016 | Preprint | LibreCat-ID: 2969 |
J. Blömer, S. Brauer, and K. Bujna, “Hard-Clustering with Gaussian Mixture Models.” Computing Research Repository, 2016.
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2011 | Conference Paper | LibreCat-ID: 2985
M. R. Ackermann, J. Blömer, and C. Scholz, “Hardness and Non-Approximability of Bregman Clustering Problems.” 2011.
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1999 | Conference Paper | LibreCat-ID: 3024
J. Blömer and J.-P. Seifert, “On the complexity of computing short linearly independent vectors and short bases in a lattice,” 1999, doi: 10.1145/301250.301441.
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2023 | Conference Paper | LibreCat-ID: 35014 |
J. Blömer, J. Bobolz, and H. Bröcher, “On the impossibility of surviving (iterated) deletion of weakly dominated strategies in rational MPC,” presented at the TCC 2023, Taipeh, Taiwan, 2023.
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2010 | Journal Article | LibreCat-ID: 2991
A. Krueger, V. Leutnant, R. Haeb-Umbach, M. Ackermann, and J. Blömer, “On the initialization of dynamic models for speech features,” Proc. of ITG Fachtagung Sprachkommunikation. ITG, Bochum, Germany, 2010.
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2019 | Conference Paper | LibreCat-ID: 13554 |
J. Blömer and N. Löken, “Personal Cross-Platform Reputation,” in Security and Trust Management, STM 2019, 2019, vol. 11738.
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2023 | Book Chapter | LibreCat-ID: 45901 |
J. Blömer, J. Bobolz, F. Eidens, T. Jager, and P. Kramer, “Practical Cryptograhic Techniques for Secure and Privacy-Preserving Customer Loyalty Systems,” in On-The-Fly Computing -- Individualized IT-services in dynamic markets, vol. 412, C.-J. Haake, F. Meyer auf der Heide, M. Platzner, H. Wachsmuth, and H. Wehrheim, Eds. Paderborn: Heinz Nixdorf Institut, Universität Paderborn, 2023, pp. 237–246.
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2018 | Conference Paper | LibreCat-ID: 2862 |
J. Blömer, F. Eidens, and J. Juhnke, “Practical, Anonymous, and Publicly Linkable Universally-Composable Reputation Systems,” in Topics in Cryptology - {CT-RSA} 2018 - The Cryptographers’ Track at the {RSA} Conference 2018, Proceedings, San Francisco, CA, USA, 2018, pp. 470–490.
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2002 | Journal Article | LibreCat-ID: 3034
A. Albanese, J. Blömer, J. Edmonds, M. Luby, and M. Sudan, “Priority encoding transmission,” IEEE Transactions on Information Theory, vol. 42, no. 6, pp. 1737–1744, 2002.
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2018 | Working Paper | LibreCat-ID: 5820
J. Blömer, J. Bobolz, C. Scheideler, and A. Setzer, Provably Anonymous Communication Based on Trusted Execution Environments. .
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2023 | Book Chapter | LibreCat-ID: 45891 |
J. Blömer, F. Eidens, T. Jager, D. Niehues, and C. Scheideler, “Robustness and Security,” in On-The-Fly Computing -- Individualized IT-services in dynamic markets, vol. 412, C.-J. Haake, F. Meyer auf der Heide, M. Platzner, H. Wachsmuth, and H. Wehrheim, Eds. Paderborn: Heinz Nixdorf Institut, Universität Paderborn, 2023, pp. 145–164.
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2013 | Conference Paper | LibreCat-ID: 488
J. Blömer, P. Günther, and V. Krummel, “Securing Critical Unattended Systems with Identity Based Cryptography - A Case Study,” in Proceedings of the 5th International Conference on Mathematical Aspects of Computer and Information Sciences (MACIS), 2013, pp. 98–105.
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2015 | Conference Paper | LibreCat-ID: 253
J. Blömer, J. Juhnke, and N. Löken, “Short Group Signatures with Distributed Traceability,” in Proceedings of the Sixth International Conference on Mathematical Aspects of Computer and Information Sciences (MACIS), 2015, pp. 166–180.
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2006 | Book Chapter | LibreCat-ID: 3007
J. Blömer, M. Otto, and J.-P. Seifert, “Sign Change Fault Attacks on Elliptic Curve Cryptosystems,” in Lecture Notes in Computer Science, Berlin, Heidelberg: Springer Berlin Heidelberg, 2006, pp. 36–52.
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1992 | Dissertation | LibreCat-ID: 3043
J. Blömer, Simplifying Expressions Involving Radicals. PhD thesis, Freie Universität Berlin, Fachbereich Mathematik und Informatik, 1992.
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2011 | Preprint | LibreCat-ID: 2987
J. Blömer and S. Naewe, “Solving the Closest Vector Problem with respect to Lp Norms,” arXiv:1104.3720. 2011.
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2017 | Conference Paper | LibreCat-ID: 2967 |
J. Blömer and G. Liske, “Subtleties in Security Definitions for Predicate Encryption with Public Index,” in Proceedings of the International Conference of Mathematical Aspects of Computer and Information Sciences (MACIS), 2017, vol. 10693, pp. 438–453.
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2014 | Conference Paper | LibreCat-ID: 355
J. Blömer, P. Günther, and G. Liske, “Tampering attacks in pairing-based cryptography,” in Proceedings of Fault Tolerance and Diagnosis in Cryptography(FDTC), 2014, pp. 1--7.
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2019 | Conference Paper | LibreCat-ID: 13904 |
J. Blömer, J. Bobolz, D. P. Diemert, and F. Eidens, “Updatable Anonymous Credentials and Applications to Incentive Systems,” presented at the 26th ACM Conference on Computer and Communications Security, London, 2019, doi: 10.1145/3319535.3354223.
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2018 | Journal Article | LibreCat-ID: 2685
J. Blömer and K. Kohn, “Voronoi Cells of Lattices with Respect to Arbitrary Norms,” SIAM Journal on Applied Algebra and Geometry., vol. 2, no. 2, pp. 314–338, 2018.
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2015 | Report | LibreCat-ID: 233 |
J. Blömer and K. Kohn, Voronoi Cells of Lattices with Respect to Arbitrary Norms. Universität Paderborn, 2015.
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