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229 Publications


2017 | Dissertation | LibreCat-ID: 116
G. Liske, CCA-Security for Predicate Encryption Schemes. Universität Paderborn, 2017.
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2017 | Conference Paper | LibreCat-ID: 2343 | OA
N. Löken, “Searchable Encryption with Access Control,” in Proceedings of the 12th International Conference on Availability, Reliability and Security  - ARES ’17, 2017.
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2017 | Conference Paper | LibreCat-ID: 2344 | OA
J. Blömer, P. Günther, V. Krummel, and N. Löken, “Attribute-Based Encryption as a Service for Access Control in Large-Scale Organizations,” in Foundations and Practice of Security, 2017, pp. 3–17.
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2017 | Book Chapter | LibreCat-ID: 2381
S. Brauer, “Complexity of Single-Swap Heuristics for Metric Facility Location and Related Problems,” in Lecture Notes in Computer Science, vol. 10236, D. Fotakis, A. Pagourtzis, and V. T. Paschos, Eds. Cham: Springer International Publishing, 2017, pp. 116–127.
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2017 | Mastersthesis | LibreCat-ID: 60
D. Niehus, Semantically Secure Attribute-based Searchable Encryption. Universität Paderborn, 2017.
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2017 | Bachelorsthesis | LibreCat-ID: 88
A. Ganesh Athreya, Instantiating a Predicate Encryption Scheme via Pair Encodings. Universität Paderborn, 2017.
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2017 | Bachelorsthesis | LibreCat-ID: 67
M. Jürgens, Provably Secure Key-Derivation-Functions for Certain Types of Applications. Universität Paderborn, 2017.
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2017 | Bachelorsthesis | LibreCat-ID: 104
D. Diemert, EAX - An Authenticated Encryption Mode for Block Ciphers. Universität Paderborn, 2017.
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2017 | Mastersthesis | LibreCat-ID: 117
P. Bemmann, Attribute-based Signatures using Structure Preserving Signatures. Universität Paderborn, 2017.
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2016 | Mastersthesis | LibreCat-ID: 2898
E. Weis, Searchable Encryption. 2016.
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2016 | Conference Paper | LibreCat-ID: 2947
J. Blömer and P. Günther, “Singular Curve Point Decompression Attack,” in 2015 Workshop on Fault Diagnosis and Tolerance in Cryptography (FDTC), 2016.
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2016 | Book Chapter | LibreCat-ID: 2948
P. Günther and V. Krummel, “Implementing Cryptographic Pairings on Accumulator Based Smart Card Architectures,” in Mathematical Aspects of Computer and Information Sciences, Cham: Springer International Publishing, 2016, pp. 151–165.
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2016 | Book Chapter | LibreCat-ID: 2968
J. Blömer, C. Lammersen, M. Schmidt, and C. Sohler, “Theoretical Analysis of the k-Means Algorithm – A Survey,” in Algorithm Engineering, Cham: Springer International Publishing, 2016, pp. 81–116.
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2016 | Preprint | LibreCat-ID: 2969 | OA
J. Blömer, S. Brauer, and K. Bujna, “Hard-Clustering with Gaussian Mixture Models.” Computing Research Repository, 2016.
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2016 | Book Chapter | LibreCat-ID: 2970
J. Blömer and K. Bujna, “Adaptive Seeding for Gaussian Mixture Models,” in Advances in Knowledge Discovery and Data Mining, Cham: Springer International Publishing, 2016, pp. 296–308.
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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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2016 | Bachelorsthesis | LibreCat-ID: 213
L. Porzenheim, Comparison of different Definitions of Chosen-Ciphertext Security in Encryption schemes. Universität Paderborn, 2016.
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2016 | Bachelorsthesis | LibreCat-ID: 214
K. S. Bemmann, Commitment Schemes - Definitions, Variants, and Security. Universität Paderborn, 2016.
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2016 | Conference Paper | LibreCat-ID: 2367
J. Blömer, S. Brauer, and K. Bujna, “A Theoretical Analysis of the Fuzzy K-Means Problem,” in 2016 IEEE 16th International Conference on Data Mining (ICDM), Barcelona, Spain, 2016, pp. 805–810.
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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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2016 | Dissertation | LibreCat-ID: 167
P. Günther, Physical attacks on pairing-based cryptography. Universität Paderborn, 2016.
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2016 | Mastersthesis | LibreCat-ID: 146
J. Hamm, Symmetric Anonymous Credentials with Protocols for Relations on Attributes. Universität Paderborn, 2016.
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2016 | Bachelorsthesis | LibreCat-ID: 152
F. Dallmeier, Short Randomizable Aggregatable Signatures: Constructions and Security Analysis. Universität Paderborn, 2016.
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2016 | Book Chapter | LibreCat-ID: 2978
J. Blömer and K. Bujna, “Adaptive Seeding for Gaussian Mixture Models,” in Advances in Knowledge Discovery and Data Mining, Cham: Springer International Publishing, 2016, pp. 296–308.
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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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2015 | Bachelorsthesis | LibreCat-ID: 286
B. Kalde, Implementierung eines hybriden Verschlüsselungsverfahrens nach Cramer und Shoup. Universität Paderborn, 2015.
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2015 | Bachelorsthesis | LibreCat-ID: 2865
D. Strotmann, Singulärwertzerlegung für μ-ähnliche Bregman-Divergenzen. 2015.
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2015 | Bachelorsthesis | LibreCat-ID: 261
T. Eisenhofer, Protokolle zur authentifizierten Schüsselvereinbarung. Universität Paderborn, 2015.
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2015 | Mastersthesis | LibreCat-ID: 321
F. Eidens, Anonymous credential system based on q-Strong Diffie-Hellman Assumption. Universität Paderborn, 2015.
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2015 | Conference Paper | LibreCat-ID: 322 | OA
J. Blömer, J. Juhnke, and C. Kolb, “Anonymous and Publicly Linkable Reputation Systems,” in Proceedings of the 18th International Conference on Financial Cryptography and Data Security (FC), 2015, pp. 478--488.
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2015 | Mastersthesis | LibreCat-ID: 325
N. Löken, A Group Signature Scheme with Distributed Group Management - An Application of Threshold Encryption. Universität Paderborn, 2015.
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2015 | Bachelorsthesis | LibreCat-ID: 326
F. Heihoff, A group signature scheme based on the LSRW assumption. Universität Paderborn, 2015.
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2015 | Mastersthesis | LibreCat-ID: 297
M. Sosniak, Evaluation of Pairing Optimization for Embedded Platforms. Universität Paderborn, 2015.
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2015 | Mastersthesis | LibreCat-ID: 299
B. Gerken, Elektromagnetische Seitenkanalangriffe auf paarungsbasierte Kryptographie. Universität Paderborn, 2015.
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2015 | Mastersthesis | LibreCat-ID: 301 | OA
J. Bobolz, Efficient Verifier-Local Revocation for Anonymous Credentials. Universität Paderborn, 2015.
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2015 | Mastersthesis | LibreCat-ID: 302
C. Stroh, Efficient Attributes for Pairing-Based Anonymous Credentials. Universität Paderborn, 2015.
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2015 | Mastersthesis | LibreCat-ID: 312
P. Schleiter, Constructions of Fully Secure Predicate Encryption Schemes. Universität Paderborn, 2015.
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2015 | Mastersthesis | LibreCat-ID: 273
K. Kohn, Number of Voronoi-relevant vectors in lattices with respect to arbitrary norms. Universität Paderborn, 2015.
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2015 | Report | LibreCat-ID: 233 | OA
J. Blömer and K. Kohn, Voronoi Cells of Lattices with Respect to Arbitrary Norms. Universität Paderborn, 2015.
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2014 | Bachelorsthesis | LibreCat-ID: 2866
F. Biermeier, Untersuchung des Erreichbarkeitsproblems in ungerichteten Graphen bezüglich den Komplexitätsklassen L und SL. 2014.
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2014 | Bachelorsthesis | LibreCat-ID: 2867
M. Sauer, Evaluierung von Initialisierungsmethoden für Fuzzy-k-means Algorithmen. 2014.
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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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2014 | Bachelorsthesis | LibreCat-ID: 369
T. Rath, RSA-Full Domain Hash Revisited. Universität Paderborn, 2014.
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2014 | Mastersthesis | LibreCat-ID: 2900
S. Brauer, A Probabilistic Expectation Maximization Algorithm for Multivariate Laplacian Mixtures. 2014.
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2014 | Journal Article | LibreCat-ID: 2976
M. R. Ackermann, J. Blömer, D. Kuntze, and C. Sohler, “Analysis of Agglomerative Clustering,” Algorithmica, vol. 69, 2014.
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2014 | Conference Paper | LibreCat-ID: 2977
J. Blömer, K. Bujna, and D. Kuntze, “A Theoretical and Experimental Comparison of the EM and SEM Algorithm,” in 2014 22nd International Conference on Pattern Recognition, 2014.
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2014 | Preprint | LibreCat-ID: 442 | OA
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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2014 | Conference Paper | LibreCat-ID: 463
J. Blömer, R. Gomes da Silva, P. Günther, J. Krämer, and J.-P. Seifert, “A Practical Second-Order Fault Attack against a Real-World Pairing Implementation,” in Proceedings of Fault Tolerance and Diagnosis in Cryptography(FDTC), 2014, pp. 123--136.
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2014 | Mastersthesis | LibreCat-ID: 414
J. Jochheim, Hiding software components using functional encryption. Universität Paderborn, 2014.
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2014 | Bachelorsthesis | LibreCat-ID: 416
P. Bemmann, Group Signature Schemes with Strong Exculpability. Universität Paderborn, 2014.
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2014 | Bachelorsthesis | LibreCat-ID: 421
J. Lippert, Fujisaki-Okamoto Transformation. Universität Paderborn, 2014.
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2013 | Bachelorsthesis | LibreCat-ID: 2868
S. Laudemann, Themenmodellierung zur Identifikation und Gruppierung von Spam-Webseiten. 2013.
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2013 | Bachelorsthesis | LibreCat-ID: 2869
L. Leder, Nichtapproximierbarkeitsresultate zu Radius- und Durchmesserclustering unter Verwendung von L_p-Metriken. 2013.
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2013 | Dissertation | LibreCat-ID: 2909
D. Kuntze, Practical algorithms for clustering and modeling large data sets - Analysis and improvements. Universität Paderborn, 2013.
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2013 | Report | LibreCat-ID: 2917
J. Juhnke, H. Lefmann, and V. Strehl, An Approach for Determining Optimal Contrast in Visual Cryptography. Fortschritt-Berichte VDI, 2013.
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2013 | Book Chapter | LibreCat-ID: 2979
J. Blömer, P. Günther, and G. Liske, “Improved Side Channel Attacks on Pairing Based Cryptography,” in Constructive Side-Channel Analysis and Secure Design, Berlin, Heidelberg: Springer Berlin Heidelberg, 2013, pp. 154–168.
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2013 | Bachelorsthesis | LibreCat-ID: 471
A. Tezer, Verteilte Erstellung und Aktualisierung von Schlüsselservern in identitätsbasierten Verschlüsselungssystemen. Universität Paderborn, 2013.
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2013 | Bachelorsthesis | LibreCat-ID: 486
O. Otte, Seitenkanalresistenz paarungsbasierter Kryptographie. Universität Paderborn, 2013.
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2013 | Bachelorsthesis | LibreCat-ID: 487 | OA
J. Bobolz, Security Proofs for Pairing-Based Cryptography in the Generic Group Model. Universität Paderborn, 2013.
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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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2013 | Preprint | LibreCat-ID: 538 | OA
J. Blömer and G. Liske, “Direct Chosen-Ciphertext Secure Attribute-Based Key Encapsulations without Random Oracles.” Universität Paderborn, 2013.
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2013 | Bachelorsthesis | LibreCat-ID: 553
K. Kohn, Attributbasierte Verschlüsselung mittels Gittermethoden - Mathematische Grundlagen, Verfahren und Sicherheitsbeweise. Universität Paderborn, 2013.
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2012 | Conference Paper | LibreCat-ID: 2982
M. R. Ackermann, M. Märtens, C. Raupach, K. Swierkot, C. Lammersen, and C. Sohler, “StreamKM++: A clustering algorithm for data streams,” vol. 17. ACM, New York, NY, USA, 2012.
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2012 | Journal Article | LibreCat-ID: 2984
J. Blömer, “Turing und Kryptografie,” Informatik-Spektrum, vol. 35, no. 4, 2012.
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2012 | Bachelorsthesis | LibreCat-ID: 606
N. Löken, Identitätsbasierte Signaturen - Ein Sicherheitsbeweis für Signaturen auf Grundlage von Gap-Diffie-Hellman-Gruppen mit Hilfe des Forking-Lemmas. Universität Paderborn, 2012.
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2012 | Bachelorsthesis | LibreCat-ID: 607
T. Haarhoff, Identitätsbasierte Kryptographie - Implementierung von Paarungen für Körper der Charakteristik 2. Universität Paderborn, 2012.
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2012 | Bachelorsthesis | LibreCat-ID: 629
P. Schleiter, Attribute-basierte Verschlüsselung. Universität Paderborn, 2012.
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2011 | Bachelorsthesis | LibreCat-ID: 2872
T. Böttger, Bicriteria-Approximation für das k-Median-Clustering mit Bregman-Divergenzen. 2011.
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2011 | Mastersthesis | LibreCat-ID: 2902
M. Märtens, The Monotone Complexity of Computing k-Clique on Random Graphs. 2011.
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2011 | Dissertation | LibreCat-ID: 2910
S. Naewe, Algorithms for lattice problems with respect to general norms. Universität Paderborn, 2011.
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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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2011 | Book Chapter | LibreCat-ID: 2986
J. Blömer, “How to Share a Secret,” in Algorithms Unplugged, Berlin, Heidelberg: Springer Berlin Heidelberg, 2011, pp. 159–168.
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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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2011 | Mastersthesis | LibreCat-ID: 659
G. Liske, Fault attacks in pairing-based cryptography. Universität Paderborn, 2011.
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2010 | Book Chapter | LibreCat-ID: 2988
M. R. Ackermann and J. Blömer, “Bregman Clustering for Separable Instances,” in SWAT 2010, Berlin, Heidelberg: Springer Berlin Heidelberg, 2010, pp. 212–223.
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2010 | Journal Article | LibreCat-ID: 2990
M. R. Ackermann, J. Blömer, and C. Sohler, “Clustering for Metric and Nonmetric Distance Measures,” ACM Trans. Algorithms, no. 4, pp. 59:1--59:26, 2010.
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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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2010 | Conference Paper | LibreCat-ID: 2993
J. Schrieb, “Efficient and Compact CCA Security from Partitioned IBKEM.” 2010.
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2010 | Conference Paper | LibreCat-ID: 2994
W. Schäfer et al., “Engineering self-coordinating software intensive systems,” in Proceedings of the FSE/SDP workshop on Future of software engineering research - FoSER ’10, 2010.
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2010 | Misc | LibreCat-ID: 47684 | OA
T. Postler, Smart Card basierte Berechnung einer Gruppensignatur als Teil einer biometrischen Authentisierung. 2010.
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2009 | Bachelorsthesis | LibreCat-ID: 2880
C. Schröer, Hierarchisches Clustering mit minimalen Cluster-Durchmessern. 2009.
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2009 | Bachelorsthesis | LibreCat-ID: 2896 | OA
G. Liske, Analyse und Evaluation eines identitätsbasierten Signcryption-Verfahrens. 2009.
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2009 | Mastersthesis | LibreCat-ID: 2904
C. Scholz, Die Schwierigkeit des k-Median Clusterings für Bregman-Divergenzen. 2009.
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2009 | Dissertation | LibreCat-ID: 2911
M. R. Ackermann, Algorithms for the Bregman k-Median Problem. Universität Paderborn, 2009.
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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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2009 | Journal Article | LibreCat-ID: 2999
J. Blömer and S. Naewe, “Sampling methods for shortest vectors, closest vectors and successive minima,” Theoretical Computer Science, no. 18, pp. 1648–1665, 2009.
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2009 | Book Chapter | LibreCat-ID: 3000
J. Schrieb, H. Wehrheim, and D. Wonisch, “Three-Valued Spotlight Abstractions,” in FM 2009: Formal Methods, Berlin, Heidelberg: Springer Berlin Heidelberg, 2009, pp. 106–122.
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2008 | Conference Paper | LibreCat-ID: 3001
C. Stern, P. Adelt, V. Krummel, and M. R. Ackermann, “Reliable Evidence of Data Integrity from an Untrusted Storage Service,” in Fourth International Conference on Networking and Services (icns 2008), 2008.
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2008 | Misc | LibreCat-ID: 47685 | OA
J. Schrieb, Construction and Applications of Identity-Based Encryption without Pairings. 2008.
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2007 | Dissertation | LibreCat-ID: 2912
V. Krummel, Tamper Resistance of AES -- Models, Attacks and Countermeasures. Universität Paderborn, 2007.
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2007 | Book Chapter | LibreCat-ID: 3002 | OA
J. Blömer and V. Krummel, “Analysis of Countermeasures Against Access Driven Cache Attacks on AES,” in Selected Areas in Cryptography, Berlin, Heidelberg: Springer Berlin Heidelberg, 2007, pp. 96–109.
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2007 | Book Chapter | LibreCat-ID: 3019
A. May, “Cryptanalysis of Unbalanced RSA with Small CRT-Exponent,” in Advances in Cryptology — CRYPTO 2002, Berlin, Heidelberg: Springer Berlin Heidelberg, 2007, pp. 242–256.
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2007 | Book Chapter | LibreCat-ID: 3020
J. Blömer and A. May, “Low Secret Exponent RSA Revisited,” in Lecture Notes in Computer Science, Berlin, Heidelberg: Springer Berlin Heidelberg, 2007, pp. 4–19.
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2007 | Book Chapter | LibreCat-ID: 3021
J. Blömer and A. May, “Key Revocation with Interval Cover Families,” in Selected Areas in Cryptography, Berlin, Heidelberg: Springer Berlin Heidelberg, 2007, pp. 325–341.
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2007 | Book Chapter | LibreCat-ID: 3022
A. May and J. H. Silverman, “Dimension Reduction Methods for Convolution Modular Lattices,” in Lecture Notes in Computer Science, Berlin, Heidelberg: Springer Berlin Heidelberg, 2007, pp. 110–125.
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2007 | Book Chapter | LibreCat-ID: 3026
J. Blömer, “A Probabilistic Zero-Test for Expressions Involving Roots of Rational Numbers,” in Algorithms — ESA’ 98, Berlin, Heidelberg: Springer Berlin Heidelberg, 2007, pp. 151–162.
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2007 | Bachelorsthesis | LibreCat-ID: 47650
S. Ziegert, Approximierbarkeit durch konstante Stichproben unter Berücksichtigung verschiedener Divergenz- und Ähnlichkeitsmaße beim k-Clustering-Problem. 2007.
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2007 | Bachelorsthesis | LibreCat-ID: 47651
M. Richert, Sichere Kryptosysteme durch Zero-Knowledge. 2007.
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2007 | Misc | LibreCat-ID: 47688
W. Klein, Angriffe auf RSA-Varianten bei partiell bekannten geheimen Schlüsseln. 2007.
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2007 | Misc | LibreCat-ID: 47690
O. Käthler, Kryptanalyse des EAC-Protokolls biometrischer Reisepässe. 2007.
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