Curriculum Vitae

I am an Assistant Professor for Cryptography at Ruhr University Bochum. Before moving to Bochum I was a postdoctoral fellow at Johns Hopkins University and Carnegie Mellon University working with Abhishek Jain and Vipul Goyal. In February 2017, I received my PhD in Computer Science from Saarland University, where I was advised by Dominique Schröder. During my PhD I was a research intern at Microsoft Research with Chris Brzuska. I was also a research visitor at University of Maryland, College Park with Jonathan Katz and Dana Dachman-Soled.

Courses

150353 : Zero-Knowledge Proof Systems

Research

Foundations of Cryptography
Black-Box Separations and Lower Bounds

Publications

2023

[1]

E. Hauck, E. Kiltz, und N. Fleischhacker, „Privacy enhancing primitives“, Universitätsbibliothek, Ruhr-Universität Bochum, Bochum, 2023. doi: 10.13154/294-10514.

[2]

D. Hartmann, E. Kiltz, und N. Fleischhacker, „Limits and applications of digital signatures“, Universitätsbibliothek, Ruhr-Universität Bochum, Bochum, 2023. doi: 10.13154/294-10922.

2022

[1]

N. Fleischhacker, M. Simkin, und Z. Zhang, „Squirrel: efficient synchronized multi-signatures from lattices “, in Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security, Los Angeles, Nov. 2022, S. 1109–1123. doi: 10.1145/3548606.3560655.

[2]

N. Fleischhacker, K. G. Larsen, und M. Simkin, „Property-preserving hash functions for hamming distance from standard assumptions“, in Advances in cryptology – EUROCRYPT 2022, Trondheim, Mai 2022, Bd. 13276, S. 764–781. doi: 10.1007/978-3-031-07085-3_26.

2021

[1]

N. Fleischhacker und M. Simkin, „On publicly-accountable zero-knowledge and small shuffle arguments“, in Public-key cryptography – PKC 2021, Apr. 2021, Bd. 12711, S. 618–648. doi: 10.1007/978-3-030-75248-4_22.

[2]

N. Fleischhacker und M. Simkin, „Robust property-preserving hash functions for hamming distance and more“, in Advances in cryptology – EUROCRYPT 2021, Zagreb, Juni 2021, Bd. 12696–12698, S. 311–337. doi: 10.1007/978-3-030-77883-5_11.

2019

[1]

N. Fleischhacker, „Interactive non-malleable codes“, Dez. 2019. [Online]. Verfügbar unter: https://nilsfleischhacker.de/publication/interactive-nonmalleable-codes/

[2]

N. Fleischhacker, V. Goyal, A. Jain, A. Paskin-Cherniavsky, und S. Radune, „Interactive non-malleable codes“, in Theory of cryptography, Nürnberg, Nov. 2019, Bd. 11891–11892, S. 233–263. doi: 10.1007/978-3-030-36033-7_9.

[3]

F. Giacon, E. Kiltz, und N. Fleischhacker, „Strengthening public-key cryptography: robust constructions and multi-user security“, Universitätsbibliothek, Ruhr-Universität Bochum, Bochum, 2019. doi: 10.13154/294-6567.

[4]

N. Fleischhacker, T. Jager, und D. Schröder, „On tight security proofs for Schnorr signatures“, Journal of cryptology, Bd. 32, Nr. 2, S. 566–599, 2019, doi: 10.1007/s00145-019-09311-5.

2013

[1]

N. Fleischhacker, F. Günther, F. Kiefer, M. Manulis, und B. Poettering, „Pseudorandom signatures“, in ASIA CCS ’2013, 2013, S. 107–118. doi: 10.1145/2484313.2484325.