Finished Theses

Below you can find theses that were previously supervised by ENCRYPTO. These can give you an insight into some areas we are interested in, but we often have further topics that are not announced and are also open to discuss innovative self-proposed topics that match with our research profile. To allow us to find a suitable topic, please send a list of courses you attended successfully, ideally in form of a current transcript of records.

Information Extraction Attacks on Private Kidney Exchange (and Beyond)

2024/10/11

Bachelor Thesis

Supervisors: Andreas Brüggemann, M.Sc., Prof. Thomas Schneider
Privacy-Preserving Online Forms with Secret Sharing

2024/02/10

Master Thesis

Published at “40. Annual Computer Security Conference (ACSAC'24) Poster Session”

Supervisors: Andreas Brüggemann , Prof. Dr.-Ing. Thomas Schneider
Memory-Efficient MPC for Large Circuits

2023/09/30

Master Thesis

Contributed Talk at 10. Theory and Practice of Multi-Party Computation Workshop (TPMPC'24).

Supervisors: Raine Nieminen, Prof. Dr.-Ing. Thomas Schneider
Framework for Secure and Private Hierarchical Federated Learning

2023/05/31

Bachelor Thesis

Supervisors: Dr.-Ing. Hossein Yalame, Prof. Dr.-Ing. Thomas Schneider
Defenses against Data Poisoning Attacks on Private Machine Learning Training

2023/05/31

Bachelor Thesis

Supervisors: Dr.-Ing. Hossein Yalame, Prof. Dr.-Ing. Thomas Schneider
Using Query Estimators for Attacking Relational Encrypted Search

2023/03/22

Master Thesis

Supervisors: Dr.-Ing. Amos Treiber, Prof. Dr.-Ing. Thomas Schneider
Communication-Efficient Privacy-Preserving Mobile Contact Discovery

2023/03/07

Master Thesis

Published at 28. European Symposium on Research in Computer Security (ESORICS'23)

Supervisors: Dr.-Ing. Christian Weinert, Prof. Dr.-Ing. Thomas Schneider
A Practical Evaluation of Countermeasures against Leakage Attacks on Encrypted Keyword Search

2022/12/29

Master Thesis

Supervisors: Dr.-Ing. Amos Treiber, Prof. Dr.-Ing. Thomas Schneider
Efficient MPC via Multi-Party Homomorphic Encryption

2022/10/10

Master Thesis

Supervisors: Dr.-Ing. Hossein Yalame, Prof. Dr.-Ing. Thomas Schneider
Securely Realizing Output Privacy in MPC using Differential Privacy

2022/08/05

Master Thesis

Published in 19. International Conference on Availability, Reliability and Security (ARES'24).

Supervisors: Dr.-Ing. Helen Möllering, Prof. Dr.-Ing. Thomas Schneider
Outsourced Sublinear Private Decision Tree Evaluation

2022/07/25

Master Thesis

Supervisors: Dr.-Ing. Amos Treiber, Prof. Dr.-Ing. Thomas Schneider
Private Function Evaluation for Multi In- and Output-Gate Circuits

2022/06/08

Bachelor Thesis

Published in 29. Advances in Cryptology – ASIACRYPT'23

Supervisors: Dr.-Ing. Daniel Günther, Prof. Dr.-Ing. Thomas Schneider
Understanding Privacy Leakage From Independently Computed Statistics

2022/07/02

Master Thesis

Supervisors: Dr.-Ing. Helen Möllering, Prof. Dr.-Ing. Thomas Schneider
Flexible File Format and Intermediate Representation for Secure Multi-Party Computation

2022/06/19

Master Thesis

Published at 18th ACM ASIA Conference on Computer and Communications Security (AsiaCCS'23) and Contributed Talk at 9. Theory and Practice of Multi-Party Computation Workshop (TPMPC'23).

Supervisors: Dr.-Ing. Oleksandr Tkachenko, Prof. Dr.-Ing. Thomas Schneider
Efficient and Practical Privacy-Preserving Kidney Exchange Protocol

2022/03/31

Bachelor Thesis

Published in BMC Medical Informatics and Decision Making'22

Supervisors: Dr.-Ing. Helen Möllering, Prof. Dr.-Ing. Thomas Schneider
Efficient Multi-Party Private Function Evaluation for Depth-optimized Circuits

2022/01/20

Master Thesis

Supervisors: Daniel Günther, Prof. Dr.-Ing. Thomas Schneider
Combining Multi-Server and Single-Server Private Information Retrieval for Epidemiological Modelling

2021/07/14

Bachelor Thesis

Published in 8. ACM Conference on Computer and Communications Security (CCS'21) Posters/Demos

Supervisors: Dr.-Ing. Daniel Günther, Prof. Thomas Schneider
Private Function Evaluation for Multi-Input Gates

2021/10/15

Master Thesis

Published in 29. Advances in Cryptology – ASIACRYPT'23

Supervisors: Dr.-Ing. Daniel Günther, Prof. Dr.-Ing. Thomas Schneider
Privacy-Preserving Household Finance Analytics

2021/09/12

Bachelor Thesis

Supervisors: Dr.-Ing. Christian Weinert, Prof. Dr.-Ing. Thomas Schneider
Accelerating Multi-Party Computation with Vectorized AES Instructions

2021/05/28

Master Thesis

Published in 37. Annual Computer Security Applications Conference (ACSAC'21)

Supervisors: Dr.-Ing. Hossein Yalame, Prof. Dr.-Ing. Thomas Schneider
Client-Server Privacy-Preserving Indoor Localization with Secret Sharing

2021/05/26

Bachelor Thesis

Published in 19. International Conference on Security and Cryptography (SECRYPT'22)

Supervisors: Raine Nieminen, M.Sc., Prof. Dr.-Ing. Thomas Schneider
Accelerating Multi-Server Private Information Retrieval using GPUs

2020/12/20

Master Thesis

Published in 31. USENIX Security Symposium (USENIX Security'22).

Supervisors: Dr.-Ing. Daniel Günther, Prof. Dr.-Ing. Thomas Schneider
LLVM-based Circuit Compilation for Pratical Secure Computation

2020/09/15

Bachelor Thesis

Published in 19. International Conference on Applied Cryptography and Network Security (ACNS'21)

Supervisors: Dr.-Ing. Christian Weinert, Prof. Dr.-Ing. Thomas Schneider
A Generic Hybrid 2PC Framework with Application to Private Inference of Unmodified Neural Networks

2020/09/25

Master Thesis

Published in Privacy in Machine Learning Workshop (PriML@NeurIPS'21)

Supervisor: Prof. Dr.-Ing. Thomas Schneider
Optimizing Private Information Retrieval for Compromised Credential Checking

2019/11/22

Master Thesis

Published in 31. USENIX Security Symposium (USENIX Security'22)

Supervisor: Prof. Dr.-Ing. Thomas Schneider
A Systematic Comparison of HE-based Private Function Evaluation Protocols

2019/11/11

Master Thesis

Published in 25. European Symposium on Research in Computer Security (ESORICS'20)

Supervisors: Dr.-Ing. Ágnes Kiss, Prof. Dr.-Ing. Thomas Schneider
Optimizing HyCC with Compiler IR

2019/11/13

Bachelor Thesis

Published in 18. International Conference on Security and Cryptography (SECRYPT'21)

Supervisors: Dr.-Ing. Christian Weinert, Prof. Dr.-Ing. Thomas Schneider
PPSolv - A System for Privacy-Preserving Solvency Verification

2019/09/05

Bachelor Thesis

Supervisors: Dr.-Ing. Ágnes Kiss, Prof. Dr.-Ing. Thomas Schneider
Secure Two-Party Computation: ABY versus Intel SGX

2019/01/10

Master Thesis

Published in 10. ACM Cloud Computing Security Workshop (CCSW'19)

Supervisors: Dr.-Ing. Christian Weinert, Prof. Dr.-Ing. Thomas Schneider

Announcement as PDF
Silently Learning your Support Vector Machines Models

2018/10/31

Bachelor Thesis

Published in 8. Workshop on Privacy in the Electronic Society (WPES'19)

Supervisors: Dr.-Ing. Oleksandr Tkachenko, Prof. Dr.-Ing. Thomas Schneider
PSI Meets Signal: Integrating a Malicious-Secure Private Contact Discovery Solution in an Open-Source Instant Messaging Service

2018/07/23

Master Thesis

Published in 28. USENIX Security Symposium (USENIX Security'19)

Supervisors: Dr.-Ing. Christian Weinert, Prof. Dr.-Ing. Thomas Schneider

Announcement as PDF
Improving Scalability of Universal Circuits for Large-Scale Private Function Evaluation

2018/04/03

Master Thesis

Published in Journal of Cryptology'20

Supervisors: Dr.-Ing. Ágnes Kiss, Prof. Dr.-Ing. Thomas Schneider
Web Application for Privacy-Preserving Assignments

2018/04/03

Master Thesis

Supervisors: Dr.-Ing. Ágnes Kiss, Prof. Dr.-Ing. Thomas Schneider
Web Application for Privacy-Preserving Scheduling

2017/12/12

Bachelor Thesis

Published in 16. International Conference on Security and Cryptography (SECRYPT'19)

Supervisors: Dr.-Ing. Ágnes Kiss, Prof. Dr.-Ing. Thomas Schneider
Large-Scale Privacy-Preserving Statistical Computations for Distributed Genome-Wide Association Studies in ABY

2017/09/13

Master Thesis

Published in 13. ACM Asia Conference on Information, Computer and Communications Security (ASIACCS'18)

Supervisors: Dr.-Ing. Christian Weinert, Prof. Dr.-Ing. Thomas Schneider

Announcement as PDF
Valiant’s Universal Circuit - Towards a Modular Construction and Implementation

2017/03/31

Bachelor Thesis

Published in 23. Advances in Cryptology – ASIACRYPT'17 and Journal of Cryptology'20

Supervisors: Dr.-Ing. Ágnes Kiss, Prof. Dr.-Ing. Thomas Schneider
Demonstrator for Privacy-Preserving Face Recognition

2016/11/15

Bachelor Thesis

Supervisors: Dr.-Ing. Daniel Demmler, Prof. Dr.-Ing. Thomas Schneider
Generalizing Semi-Private Function Evaluation

2016/10/25

Bachelor Thesis

Supervisors: Dr.-Ing. Ágnes Kiss, Prof. Dr.-Ing. Thomas Schneider
Effective Protection of Sensitive Metadata in Online Communication Networks

2016/10/18

Bachelor Thesis

Published in 15. International Conference on Applied Cryptography and Network Security (ACNS'17)

Supervisors: Dr.-Ing. Daniel Demmler, Prof. Dr.-Ing. Thomas Schneider
Hardware-Assisted Two-Party Secure Computation on Mobile Devices

2013/07/05

Master Thesis

Published in 23. USENIX Security Symposium (USENIX Security'14)

Supervisors: Dr.-Ing. Michael Zohner, Prof. Dr.-Ing. Thomas Schneider
Analysis and Extensions of the PCF Secure Two-Party Computation Compiler

2014/08/28

Bachelor Thesis

Supervisors: Dr.-Ing. Daniel Demmler, Prof. Dr.-Ing. Thomas Schneider

Open Theses

Running Theses

Finished Theses

Information Extraction Attacks on Private Kidney Exchange (and Beyond)

Privacy-Preserving Online Forms with Secret Sharing

Memory-Efficient MPC for Large Circuits

Framework for Secure and Private Hierarchical Federated Learning

Defenses against Data Poisoning Attacks on Private Machine Learning Training

Using Query Estimators for Attacking Relational Encrypted Search

Communication-Efficient Privacy-Preserving Mobile Contact Discovery

A Practical Evaluation of Countermeasures against Leakage Attacks on Encrypted Keyword Search

Efficient MPC via Multi-Party Homomorphic Encryption

Securely Realizing Output Privacy in MPC using Differential Privacy

Outsourced Sublinear Private Decision Tree Evaluation

Private Function Evaluation for Multi In- and Output-Gate Circuits

Understanding Privacy Leakage From Independently Computed Statistics

Flexible File Format and Intermediate Representation for Secure Multi-Party Computation

Efficient and Practical Privacy-Preserving Kidney Exchange Protocol

Efficient Multi-Party Private Function Evaluation for Depth-optimized Circuits

Combining Multi-Server and Single-Server Private Information Retrieval for Epidemiological Modelling

Private Function Evaluation for Multi-Input Gates

Privacy-Preserving Household Finance Analytics

Accelerating Multi-Party Computation with Vectorized AES Instructions

Client-Server Privacy-Preserving Indoor Localization with Secret Sharing

Accelerating Multi-Server Private Information Retrieval using GPUs

LLVM-based Circuit Compilation for Pratical Secure Computation

A Generic Hybrid 2PC Framework with Application to Private Inference of Unmodified Neural Networks

Optimizing Private Information Retrieval for Compromised Credential Checking

A Systematic Comparison of HE-based Private Function Evaluation Protocols

Optimizing HyCC with Compiler IR

PPSolv - A System for Privacy-Preserving Solvency Verification

Secure Two-Party Computation: ABY versus Intel SGX

Silently Learning your Support Vector Machines Models

PSI Meets Signal: Integrating a Malicious-Secure Private Contact Discovery Solution in an Open-Source Instant Messaging Service

Improving Scalability of Universal Circuits for Large-Scale Private Function Evaluation

Web Application for Privacy-Preserving Assignments

Web Application for Privacy-Preserving Scheduling

Large-Scale Privacy-Preserving Statistical Computations for Distributed Genome-Wide Association Studies in ABY

Valiant’s Universal Circuit - Towards a Modular Construction and Implementation

Demonstrator for Privacy-Preserving Face Recognition

Generalizing Semi-Private Function Evaluation

Effective Protection of Sensitive Metadata in Online Communication Networks

Hardware-Assisted Two-Party Secure Computation on Mobile Devices

Analysis and Extensions of the PCF Secure Two-Party Computation Compiler