Teaching

Courses

• Quantum Computation Durham, 2022 · co-taught with T. Vasantam
• Cryptography: Theory and Applications York, 2019–2021 · module lead, co-taught with S. Shahandashti
• Wider Aspects of Cyber Security York, 2019–2021 · co-taught with S. Shahandashti
• Topics in Security and Privacy York, 2020 · co-taught with D. Kahrobaei
• Formal Languages, Computability, and Complexity ENS, 2017–2018 · co-taught with M. Abdalla
• Cryptology ESGI, 2017 & 2018 · co-taught with G. Fuchsbauer · lectures on hash functions, MACs, and authenticated encryption
• Gems of Cryptography TU Darmstadt, 2012–2013 · designed and co-taught with M. Fischlin
• Advanced Cryptography Royal Holloway, 2010 · graduate seminar series
• Basics of Provable Security for Public-Key Encryption Minho, 2009 · co-taught with M. Barbosa
• Introduction to Cryptography METU, 2008 · graduate seminar course

Schools and lecture series

• Summer School in Cryptography Bogotá, Colombia, 2016 · lectures on provable security · slides 1, 2, 3
• Winter School in Cryptography Tehran, Iran, 2016 · lectures on obfuscation · slides 1, 2, 3, 4

Supervision

• Postdoctoral researchers Dr Karl Southern (2022–2024) and Dr Charles Dodd (2025), on the EPSRC-funded project Untargeted Attacks in Cryptography
• PhD students Patrick Harasser (TU Darmstadt, 2020–), Instantiating Generic Groups
  Sogol Mazaheri (TU Darmstadt, 2017–2020), Combiners for Hash Functions
  Louiza Khati (ENS, 2016–2019), Block Cipher Provable Security
  Răzvan Roşie (ENS, 2016–2019), Robustness in Symmetric and Functional Encryption
  Gordon Procter (RHUL, 2014), Related-Key Attacks on Block Ciphers
• Interns Simon Rastikian (Mar–Sep 2021), fully funded by Crypto Quantique
• Student projects Charles Dodd (York, 2021), Developments in Memory-Hard Password Hashing
  Stephen Ilario (York, 2021), An Empirical Study of Cookies and Web Privacy in Africa Post-GDPR
  Yifan Yuan (York, 2021), Analysis of AES-GCM and AES-CCM
  Daniel Yates (York, 2020), Security of NIST Lightweight Crypto beyond Their Stated Guarantees
  Karlissa Smith (York, 2020), Security and Privacy of Coronavirus Contact-Tracing Applications
  Samuel Stevenson (QUB, 2015), Implementation Aspects of SHA-3 Finalists
  Luke Wilson (QUB, 2015), Cryptographic Hash Functions
  Afonso Arriaga (Minho, 2009), Randomness Reuse Across Different Cryptographic Primitives