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76 Publications
2023 | Mastersthesis | LibreCat-ID: 40440
Updatable Privacy-Preserving Reputation System based on Blockchain
M. Pilot, Updatable Privacy-Preserving Reputation System Based on Blockchain, 2023.
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M. Pilot, Updatable Privacy-Preserving Reputation System Based on Blockchain, 2023.
2023 | Mastersthesis | LibreCat-ID: 43374 | 
A Formal Comparison of Advanced Digital Signature Primitives
P. Schürmann, A Formal Comparison of Advanced Digital Signature Primitives, 2023.
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P. Schürmann, A Formal Comparison of Advanced Digital Signature Primitives, 2023.
2023 | Conference Paper | LibreCat-ID: 44855
Designing Business Reputation Ecosystems — A Method for Issuing and Trading Monetary Ratings on a Blockchain
S. Hemmrich, J. Bobolz, D. Beverungen, J. Blömer, in: ECIS 2023 Research Papers, 2023.
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S. Hemmrich, J. Bobolz, D. Beverungen, J. Blömer, in: ECIS 2023 Research Papers, 2023.
2023 | Bachelorsthesis | LibreCat-ID: 43375 |
Privacy-Preserving Collection and Evaluation of Log Files
A. Koch, Privacy-Preserving Collection and Evaluation of Log Files, 2023.
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A. Koch, Privacy-Preserving Collection and Evaluation of Log Files, 2023.
2023 | Conference Paper | LibreCat-ID: 35014 |
On the impossibility of surviving (iterated) deletion of weakly dominated strategies in rational MPC
J. Blömer, J. Bobolz, H. Bröcher, in: 2023.
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J. Blömer, J. Bobolz, H. Bröcher, in: 2023.
2023 | Conference Paper | LibreCat-ID: 43458 |
A Generic Construction of an Anonymous Reputation System and Instantiations from Lattices
J. Blömer, J. Bobolz, L.A. Porzenheim, in: 2023.
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J. Blömer, J. Bobolz, L.A. Porzenheim, in: 2023.
2022 | Bachelorsthesis | LibreCat-ID: 32399
Modelling and Proving Security for a Secure MPC Protocol for Stable Matching
E. Vahle, Modelling and Proving Security for a Secure MPC Protocol for Stable Matching, 2022.
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E. Vahle, Modelling and Proving Security for a Secure MPC Protocol for Stable Matching, 2022.
2022 | Bachelorsthesis | LibreCat-ID: 32398
Bringing Structure to Structure-Preserving Signatures: Overview, Implementation and Comparison of Selected SPS Schemes
H. Siek, Bringing Structure to Structure-Preserving Signatures: Overview, Implementation and Comparison of Selected SPS Schemes, 2022.
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H. Siek, Bringing Structure to Structure-Preserving Signatures: Overview, Implementation and Comparison of Selected SPS Schemes, 2022.
2022 | Mastersthesis | LibreCat-ID: 31485
On Transforming Lattice-Based Cryptography to the Ring Setting
P. Kramer, On Transforming Lattice-Based Cryptography to the Ring Setting, 2022.
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P. Kramer, On Transforming Lattice-Based Cryptography to the Ring Setting, 2022.
2022 | Bachelorsthesis | LibreCat-ID: 34962
Evaluating database systems relying on secure multiparty computation
A. Anonymous, Evaluating Database Systems Relying on Secure Multiparty Computation, 2022.
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A. Anonymous, Evaluating Database Systems Relying on Secure Multiparty Computation, 2022.
2022 | Mastersthesis | LibreCat-ID: 34963
Cost of Privacy-preserving SMPC Protocols for NN-Based Inference
A. Anonymous, Cost of Privacy-Preserving SMPC Protocols for NN-Based Inference, 2022.
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A. Anonymous, Cost of Privacy-Preserving SMPC Protocols for NN-Based Inference, 2022.
2022 | Dissertation | LibreCat-ID: 35188
Privacy-Preserving Cryptography: Attribute-Based Signatures and Updatable Credentials
F. Eidens, Privacy-Preserving Cryptography: Attribute-Based Signatures and Updatable Credentials, 2022.
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F. Eidens, Privacy-Preserving Cryptography: Attribute-Based Signatures and Updatable Credentials, 2022.
2021 | Preprint | LibreCat-ID: 26645 |
Cryptimeleon: A Library for Fast Prototyping of Privacy-Preserving Cryptographic Schemes
J. Bobolz, F. Eidens, R. Heitjohann, J. Fell, (2021).
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J. Bobolz, F. Eidens, R. Heitjohann, J. Fell, (2021).
2021 | Conference Paper | LibreCat-ID: 29566
Issuer-Hiding Attribute-Based Credentials
J. Bobolz, F. Eidens, S. Krenn, S. Ramacher, K. Samelin, in: Cryptology and Network Security, Springer International Publishing, Cham, 2021.
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J. Bobolz, F. Eidens, S. Krenn, S. Ramacher, K. Samelin, in: Cryptology and Network Security, Springer International Publishing, Cham, 2021.
2020 | Bachelorsthesis | LibreCat-ID: 18637 |
A Group Signature Scheme from Flexible Public Key Signatures and Structure-Preserving Signatures on Equivalence Classes
P. Schürmann, A Group Signature Scheme from Flexible Public Key Signatures and Structure-Preserving Signatures on Equivalence Classes, Universität Paderborn, 2020.
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P. Schürmann, A Group Signature Scheme from Flexible Public Key Signatures and Structure-Preserving Signatures on Equivalence Classes, Universität Paderborn, 2020.
2020 | Bachelorsthesis | LibreCat-ID: 18639
Enhancing Security by Usage of Universal One-Way Hash Functions
T. Terfort, Enhancing Security by Usage of Universal One-Way Hash Functions, Universität Paderborn, 2020.
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T. Terfort, Enhancing Security by Usage of Universal One-Way Hash Functions, Universität Paderborn, 2020.
2020 | Conference Paper | LibreCat-ID: 16487 |
Privacy-Preserving Incentive Systems with Highly Efficient Point-Collection
J. Bobolz, F. Eidens, S. Krenn, D. Slamanig, C. Striecks, in: Proceedings of the 15th ACM Asia Conference on Computer and Communications Security (ASIA CCS ’20), ACM, New York, NY, USA, 2020.
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J. Bobolz, F. Eidens, S. Krenn, D. Slamanig, C. Striecks, in: Proceedings of the 15th ACM Asia Conference on Computer and Communications Security (ASIA CCS ’20), ACM, New York, NY, USA, 2020.
2020 | Bachelorsthesis | LibreCat-ID: 18638
Comparison of Zero-Knowledge Range Proofs
P. Kramer, Comparison of Zero-Knowledge Range Proofs, Universität Paderborn, 2020.
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P. Kramer, Comparison of Zero-Knowledge Range Proofs, Universität Paderborn, 2020.
2019 | Mastersthesis | LibreCat-ID: 13128 |
Rational Secure Multiparty Computation
H. Bröcher, Rational Secure Multiparty Computation, Universität Paderborn, 2019.
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H. Bröcher, Rational Secure Multiparty Computation, Universität Paderborn, 2019.
2019 | Bachelorsthesis | LibreCat-ID: 13592
Efficient Finite-Field Arithmetic for Elliptic Curve Cryptography in Java
M. Pilot, Efficient Finite-Field Arithmetic for Elliptic Curve Cryptography in Java, Universität Paderborn, 2019.
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M. Pilot, Efficient Finite-Field Arithmetic for Elliptic Curve Cryptography in Java, Universität Paderborn, 2019.
2019 | Mastersthesis | LibreCat-ID: 13648 |
Implementation and Comparison of Elliptic Curve Algorithms in Java
S. Scholz, Implementation and Comparison of Elliptic Curve Algorithms in Java, Universität Paderborn, 2019.
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S. Scholz, Implementation and Comparison of Elliptic Curve Algorithms in Java, Universität Paderborn, 2019.
2019 | Conference Paper | LibreCat-ID: 13904 |
Updatable Anonymous Credentials and Applications to Incentive Systems
J. Blömer, J. Bobolz, D.P. Diemert, F. Eidens, in: Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security - CCS ’19, 2019.
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J. Blömer, J. Bobolz, D.P. Diemert, F. Eidens, in: Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security - CCS ’19, 2019.
2018 | Conference Paper | LibreCat-ID: 2862 |
Practical, Anonymous, and Publicly Linkable Universally-Composable Reputation Systems
J. Blömer, F. Eidens, J. Juhnke, in: Topics in Cryptology - {CT-RSA} 2018 - The Cryptographers’ Track at the {RSA} Conference 2018, Proceedings, Springer International Publishing, Cham, 2018, pp. 470–490.
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J. Blömer, F. Eidens, J. Juhnke, in: Topics in Cryptology - {CT-RSA} 2018 - The Cryptographers’ Track at the {RSA} Conference 2018, Proceedings, Springer International Publishing, Cham, 2018, pp. 470–490.
2018 | Journal Article | LibreCat-ID: 2685
Voronoi Cells of Lattices with Respect to Arbitrary Norms
J. Blömer, K. Kohn, SIAM Journal on Applied Algebra and Geometry. 2 (2018) 314–338.
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J. Blömer, K. Kohn, SIAM Journal on Applied Algebra and Geometry. 2 (2018) 314–338.
2018 | Conference Paper | LibreCat-ID: 3265 |
Fully-Featured Anonymous Credentials with Reputation System
K. Bemmann, J. Blömer, J. Bobolz, H. Bröcher, D.P. Diemert, F. Eidens, L. Eilers, J.F. Haltermann, J. Juhnke, B. Otour, L.A. Porzenheim, S. Pukrop, E. Schilling, M. Schlichtig, M. Stienemeier, in: Proceedings of the 13th International Conference on Availability, Reliability and Security - ARES ’18, ACM, New York, NY, USA, n.d.
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K. Bemmann, J. Blömer, J. Bobolz, H. Bröcher, D.P. Diemert, F. Eidens, L. Eilers, J.F. Haltermann, J. Juhnke, B. Otour, L.A. Porzenheim, S. Pukrop, E. Schilling, M. Schlichtig, M. Stienemeier, in: Proceedings of the 13th International Conference on Availability, Reliability and Security - ARES ’18, ACM, New York, NY, USA, n.d.
2018 | Conference Paper | LibreCat-ID: 2965
Cloud Architectures for Searchable Encryption
J. Blömer, N. Löken, in: Proceedings of the 13th International Conference on Availability, Reliability and Security, ARES 2018, ACM, New York, NY, USA, n.d., pp. 25:1--25:10.
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J. Blömer, N. Löken, in: Proceedings of the 13th International Conference on Availability, Reliability and Security, ARES 2018, ACM, New York, NY, USA, n.d., pp. 25:1--25:10.
2018 | Working Paper | LibreCat-ID: 5820
Provably Anonymous Communication Based on Trusted Execution Environments
J. Blömer, J. Bobolz, C. Scheideler, A. Setzer, Provably Anonymous Communication Based on Trusted Execution Environments, n.d.
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J. Blömer, J. Bobolz, C. Scheideler, A. Setzer, Provably Anonymous Communication Based on Trusted Execution Environments, n.d.
2018 | Dissertation | LibreCat-ID: 6597
Models and Constructions for Secure Reputation Systems
J. Juhnke, Models and Constructions for Secure Reputation Systems, Universität Paderborn, 2018.
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J. Juhnke, Models and Constructions for Secure Reputation Systems, Universität Paderborn, 2018.
2018 | Conference Paper | LibreCat-ID: 3873 |
Enhanced Security of Attribute-Based Signatures
J. Blömer, F. Eidens, J. Juhnke, in: The International Conference on Cryptology And Network Security (CANS), Springer, 2018, pp. 235–255.
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J. Blömer, F. Eidens, J. Juhnke, in: The International Conference on Cryptology And Network Security (CANS), Springer, 2018, pp. 235–255.
2018 | Conference Paper | LibreCat-ID: 2379 |
Delegatable Attribute-based Anonymous Credentials from Dynamically Malleable Signatures
J. Blömer, J. Bobolz, in: ACNS 2018 Applied Cryptography & Network Security, n.d.
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J. Blömer, J. Bobolz, in: ACNS 2018 Applied Cryptography & Network Security, n.d.
2017 | Conference Paper | LibreCat-ID: 2967 |
Subtleties in Security Definitions for Predicate Encryption with Public Index
J. Blömer, G. Liske, in: Proceedings of the International Conference of Mathematical Aspects of Computer and Information Sciences (MACIS), Springer International Publishing, Cham, 2017, pp. 438–453.
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J. Blömer, G. Liske, in: Proceedings of the International Conference of Mathematical Aspects of Computer and Information Sciences (MACIS), Springer International Publishing, Cham, 2017, pp. 438–453.
2017 | Dissertation | LibreCat-ID: 116
CCA-Security for Predicate Encryption Schemes
G. Liske, CCA-Security for Predicate Encryption Schemes, Universität Paderborn, 2017.
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G. Liske, CCA-Security for Predicate Encryption Schemes, Universität Paderborn, 2017.
2017 | Conference Paper | LibreCat-ID: 2344 |
Attribute-Based Encryption as a Service for Access Control in Large-Scale Organizations
J. Blömer, P. Günther, V. Krummel, N. Löken, in: Foundations and Practice of Security, Springer International Publishing, Cham, 2017, pp. 3–17.
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J. Blömer, P. Günther, V. Krummel, N. Löken, in: Foundations and Practice of Security, Springer International Publishing, Cham, 2017, pp. 3–17.
2017 | Mastersthesis | LibreCat-ID: 60
Semantically Secure Attribute-based Searchable Encryption
D. Niehus, Semantically Secure Attribute-Based Searchable Encryption, Universität Paderborn, 2017.
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D. Niehus, Semantically Secure Attribute-Based Searchable Encryption, Universität Paderborn, 2017.
2017 | Bachelorsthesis | LibreCat-ID: 88
Instantiating a Predicate Encryption Scheme via Pair Encodings
A. Ganesh Athreya, Instantiating a Predicate Encryption Scheme via Pair Encodings, Universität Paderborn, 2017.
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A. Ganesh Athreya, Instantiating a Predicate Encryption Scheme via Pair Encodings, Universität Paderborn, 2017.
2017 | Bachelorsthesis | LibreCat-ID: 67
Provably Secure Key-Derivation-Functions for Certain Types of Applications
M. Jürgens, Provably Secure Key-Derivation-Functions for Certain Types of Applications, Universität Paderborn, 2017.
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M. Jürgens, Provably Secure Key-Derivation-Functions for Certain Types of Applications, Universität Paderborn, 2017.
2017 | Bachelorsthesis | LibreCat-ID: 104
EAX - An Authenticated Encryption Mode for Block Ciphers
D. Diemert, EAX - An Authenticated Encryption Mode for Block Ciphers, Universität Paderborn, 2017.
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D. Diemert, EAX - An Authenticated Encryption Mode for Block Ciphers, Universität Paderborn, 2017.
2017 | Mastersthesis | LibreCat-ID: 117
Attribute-based Signatures using Structure Preserving Signatures
P. Bemmann, Attribute-Based Signatures Using Structure Preserving Signatures, Universität Paderborn, 2017.
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P. Bemmann, Attribute-Based Signatures Using Structure Preserving Signatures, Universität Paderborn, 2017.
2016 | Bachelorsthesis | LibreCat-ID: 213
Comparison of different Definitions of Chosen-Ciphertext Security in Encryption schemes
L. Porzenheim, Comparison of Different Definitions of Chosen-Ciphertext Security in Encryption Schemes, Universität Paderborn, 2016.
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L. Porzenheim, Comparison of Different Definitions of Chosen-Ciphertext Security in Encryption Schemes, Universität Paderborn, 2016.
2016 | Bachelorsthesis | LibreCat-ID: 214
Commitment Schemes - Definitions, Variants, and Security
K.S. Bemmann, Commitment Schemes - Definitions, Variants, and Security, Universität Paderborn, 2016.
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K.S. Bemmann, Commitment Schemes - Definitions, Variants, and Security, Universität Paderborn, 2016.
2016 | Conference Paper | LibreCat-ID: 208
Construction of Fully CCA-Secure Predicate Encryptions from Pair Encoding Schemes
J. Blömer, G. Liske, in: Proceedings of the CT-RSA 2016, 2016, pp. 431–447.
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J. Blömer, G. Liske, in: Proceedings of the CT-RSA 2016, 2016, pp. 431–447.
2016 | Dissertation | LibreCat-ID: 167
Physical attacks on pairing-based cryptography
P. Günther, Physical Attacks on Pairing-Based Cryptography, Universität Paderborn, 2016.
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P. Günther, Physical Attacks on Pairing-Based Cryptography, Universität Paderborn, 2016.
2016 | Mastersthesis | LibreCat-ID: 146
Symmetric Anonymous Credentials with Protocols for Relations on Attributes
J. Hamm, Symmetric Anonymous Credentials with Protocols for Relations on Attributes, Universität Paderborn, 2016.
LibreCat
J. Hamm, Symmetric Anonymous Credentials with Protocols for Relations on Attributes, Universität Paderborn, 2016.
2016 | Bachelorsthesis | LibreCat-ID: 152
Short Randomizable Aggregatable Signatures: Constructions and Security Analysis
F. Dallmeier, Short Randomizable Aggregatable Signatures: Constructions and Security Analysis, Universität Paderborn, 2016.
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F. Dallmeier, Short Randomizable Aggregatable Signatures: Constructions and Security Analysis, Universität Paderborn, 2016.
2015 | Conference Paper | LibreCat-ID: 253
Short Group Signatures with Distributed Traceability
J. Blömer, J. Juhnke, N. Löken, in: Proceedings of the Sixth International Conference on Mathematical Aspects of Computer and Information Sciences (MACIS), 2015, pp. 166–180.
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J. Blömer, J. Juhnke, N. Löken, in: Proceedings of the Sixth International Conference on Mathematical Aspects of Computer and Information Sciences (MACIS), 2015, pp. 166–180.
2015 | Bachelorsthesis | LibreCat-ID: 286
Implementierung eines hybriden Verschlüsselungsverfahrens nach Cramer und Shoup
B. Kalde, Implementierung eines hybriden Verschlüsselungsverfahrens nach Cramer und Shoup, Universität Paderborn, 2015.
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B. Kalde, Implementierung eines hybriden Verschlüsselungsverfahrens nach Cramer und Shoup, Universität Paderborn, 2015.
2015 | Bachelorsthesis | LibreCat-ID: 261
Protokolle zur authentifizierten Schüsselvereinbarung
T. Eisenhofer, Protokolle zur authentifizierten Schüsselvereinbarung, Universität Paderborn, 2015.
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T. Eisenhofer, Protokolle zur authentifizierten Schüsselvereinbarung, Universität Paderborn, 2015.
2015 | Mastersthesis | LibreCat-ID: 321
Anonymous credential system based on q-Strong Diffie-Hellman Assumption
F. Eidens, Anonymous Credential System Based on Q-Strong Diffie-Hellman Assumption, Universität Paderborn, 2015.
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F. Eidens, Anonymous Credential System Based on Q-Strong Diffie-Hellman Assumption, Universität Paderborn, 2015.
2015 | Conference Paper | LibreCat-ID: 322 |
Anonymous and Publicly Linkable Reputation Systems
J. Blömer, J. Juhnke, C. Kolb, in: Proceedings of the 18th International Conference on Financial Cryptography and Data Security (FC), 2015, pp. 478--488.
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J. Blömer, J. Juhnke, C. Kolb, in: Proceedings of the 18th International Conference on Financial Cryptography and Data Security (FC), 2015, pp. 478--488.
2015 | Mastersthesis | LibreCat-ID: 325
A Group Signature Scheme with Distributed Group Management - An Application of Threshold Encryption
N. Löken, A Group Signature Scheme with Distributed Group Management - An Application of Threshold Encryption, Universität Paderborn, 2015.
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N. Löken, A Group Signature Scheme with Distributed Group Management - An Application of Threshold Encryption, Universität Paderborn, 2015.