Tanja Lange's homepage

PhD Students

(Listing only those where I have a major role in supervison)

Jacob Appelbaum (PhD since March 2022, supervised together with Daniel J. Bernstein)
Thesis: Communication in a world of pervasive surveillance: Sources and methods: Counter-strategies against pervasive surveillance architecture
Gustavo Banegas (PhD since November 2019; supervised together with Daniel J. Bernstein)
Thesis: Selected constructive and destructive approaches to post-quantum cryptography
Peter Birkner (PhD since February 2009; supervised together with Daniel J. Bernstein)
Thesis: Efficient arithmetic on low-genus curves
Gaetan Bisson (PhD since July 2011); supervised together with Pierrick Gaudry, Nancy)
Thesis: Endomorphism rings in cryptography
Sebastiano Boscardin, joint supervision with Monika Trimoska
Tung Chou (PhD since June 2016; supervised together with Daniel J. Bernstein)
Thesis: Accelerating pre- and post-quantum cryptography
Chitchanok Chuengsatiansup (PhD since March 2017; supervised together with Daniel J. Bernstein)
Thesis: Optimizing curve-based cryptography
Jolijn Cottaar (since Sep 2022)
Henry de Valence(Sep 2015- Nov 2016)
Emmanouil Doulgerakis (PhD since September 2022, supervised together with Benne de Weger)
Thesis: Lattice cryptanalysis: Theoretical and practical aspects
Leon Groot Bruinderink (PhD since December 2019, supervised together with Daniel J. Bernstein and Andreas Hülsing)
Maya Iggy van Hoof (at Ruhr-University Bochum, supervisionn together with Alexander May )

Thijs Laarhoven (PhD since February 2016; supervised together with Benne de Weger and Boris Skoric)
Thesis: Search problems in cryptography: from fingerprinting to lattice sieving
Jonathan Levin
Michael Naehrig (PhD since May 2009)
Thesis: Constructive and computational aspects of cryptographic pairings
Ruben Niederhagen (PhD since April 2012, supervised together with Daniel J. Bernstein)
Thesis: Parallel cryptanalysis
Lorenz Panny (PhD since Feb 2021) (supervision together with Daniel J. Bernstein)
Thesis Cryptography on Isogeny Graphs
Alex Pellegrini (PhD since Jan 2025) (supervision together with Alberto Ravagnani)
Thesis Attacking and Enhancing Code-Based Cryptography
Christiane Peters (PhD since May 2011)
(supervision together with Daniel J. Bernstein) Thesis: Curves, codes, and cryptography
Elisa Pioldi (joint supervision with Kathrin Hövelmanns)
Nitish Raja (joint supervision with Subhasree Patro)
Reza Rezaeian Farashahi (PhD since October 2008)
Thesis: Curves and Jacobians : number extractors and efficient arithmetic
Peter Schwabe (PhD since January 2011)
Thesis: High-speed cryptography and cryptanalysis
Christine van Vredendaal (PhD since June 2018; supervised together with Daniel J. Bernstein)
Thesis Exploiting mathematical structures in cryptography

Master Theses

Milou Antheunisse Kleptography : cryptography with backdoors (2015)
Stefan van den Berg RISC-V implementation of the NaCl-library (2020)
See his GitHub pages for NaCl-RISC-V and SMArTCAT for RISC-V.
Jolijn Cottaar GoldSIDH: Combining SIDH and the Goldilocks prime (2022)
Niels Duif Smart card implementation of a digital signature scheme for Twisted Edwards curves (2011)
Lars Elmegaard-Fessel Efficient Scalar Multiplication and Security against Power Analysis in Cryptosystems based on the NIST Elliptic Curves over Prime Fields (2006)
Wouter de Groot A performance study of X25519 on Cortex-M3 and M4 (2015)
The code is online at Wouter's GitHub page
Leon Groot Bruinderink Towards post-quantum bitcoin : side-channel analysis of bimodal lattice signatures (2016)
Maran van Heesch Post-Quantum Key Exchange Based on ring-LWE (2016)
Iggy van Hoof Concrete quantum-cryptanalysis of binary elliptic curves (2019)
Bor de Kock A Non-Interactive Key Exchange based on Ring-Learning With Errors (2018)
Melvin Kool "Design and Implementation of an 256-bit AES-GCM encryption device for network"
Eran Lambooij Cryptanalysis of Simon et al. – Cryptanalysis of lightweight symmetric ciphers (2017)
Jonathan Levin PQConnect: An Automated Boring Protocol for Quantum-Secure Tunnels (2021)
Kay Lukas Algebraic differential attacks on symmetric cryptography (2016)
Marc Makkes Efficient implementation of homomorphic cryptosystems (2010)
Kai-Chun Ning An Adaption of the Crossbred Algorithm for Solving Multivariate Quadratic Systems over F₂ on GPUs (2017)
Cristina Onete Visualisation of modern key exchange schemes for more than two parties in CrypTool and their security analysis (2008)
Jeroen Pijnenburg Lattice-Based Signatures – Rényi Divergence Analysis (2017)
Iris Portegijs "Comparison of homomorphic cryptosystems: A deep dive into old and new HE cryptosystems"
Yujia Qiu On a link between towers of function fields and group theory (2010)
Inigo Querejeta A study of the General Number Field Sieve and a development of a CT2 plug-in using YAFU (2016)
Coen Ramaekers Fully homomorphic encryption in JCrypTool (2009)
Dimitrij Ray Constructing the Deuring Correspondence with Applications to Supersingular Isogeny-Based Cryptography (2018)
Björn Ruytenbearg When Lightning Strikes Thrice: Breaking Thunderbolt Security (2022)
Kit Smeets Securing BLISS-b Against Side-Channel Attacks Lattice-Based Cryptography in a Post-Quantum Setting (2017)
Sebastian Verschoor Secure messaging in mobile environments (2015)
Christine van Vredendaal Rank estimation methods in side channel attacks (2014)
Peter Wu Analysis of the WireGuard protocol (2019)

Bachelor Theses

Casper von Berg "Analyze the KpqC submission TiGER"
Jasper van Buul The relative efficiency of simple addition chain algorithms (2021)
Haico Dorenbos Efficiency of RNS in CSIDH (2019)
Stijn Gunter Timing Attacks and the NTRU Public-Key Cryptosystem (2019)
Iggy van Hoof Analysis of efficiency of algorithms used in batch factorization (2015)
Robin Kwant Klepto for Post-Quantum Encryption (2016)
Iris Portegijs Understanding LEDA crypt and the weak keys attack (2021)
Anne Smeets Transformation from Weierstrass curves to Jacobi curves (2014)
Luc Steenbakkers NTRU+ – Analyzing variants, attacks and security of a lattice-based post-quantum scheme (2023)
Kimberley Thissen Klepto for Post-Quantum Signatures (2016)
Bart de Wit NTRU : a lattice-based encryption system (2014)

Noteworthy internships

Iggy van Hoof interned at Ericson Lab and wrote a blog post about it,
Jonathan Levin did his internship with Radically Open Security and analyzed the IRMA system (among other things). His evaluation report is online
Michiel Marcus from RU Nijmegen wrote a whitepaper and Sage notebook on Classic McEliece with Binary Goppa Codes.

Last modified: 2025.05.01