Fido2 / Passkeys

  • 10/2024: All the Things PQ– End-to-End PQ-Secure FIDO2 Protocol; Authenticate Con, Carlsbad, US (pre-recorded); [slides]
  • 09/2024: All the Things PQ – End-to-End PQ-Secure FIDO2 Protocol; ICMC, San Jose, US
  • 03/2024: All Things PQ: End-to-End PQ-Secure Fido2 Protocol; Open Source Cryptography Workshop; Toronto, Canada; [slides][video]

Batch signing

  • 07/2023: Batch me if you PQ-Sign; 7th NIST PQC Seminar; virtual [slides] [video]

Vehicle-to-vehicle communication

  • 04/2022: Drive (Quantum) Safe! --Towards Post-Quantum Security for Vehicle-to- Vehicle Communications; Real World Crypto 2022; Amsterdam, the Netherlands [slides]
  • 09/2021: Drive (Quantum) Safe! --Towards Post-Quantum Security for Vehicle-to- Vehicle Communications; CAST e.V. Workshop "Quantentechnologie und Quantencomputer-resistente Sicherheit" 2021 (virtual)
  • 08/2021: The Need for Being Explicit When Communicating; Conference, Cfail 2021 (virtual); [slides] [video]
  • 06/2021: Suitability of 3rd Round Signature Candidates for Vehicle-to-Vehicle Communication; Conference, 3rd PQC Standardization Conference (virtual); [slides] [video]

IND-CCA security of KEMs and decryption failures

  • 09/2020: Decryption Failure is More Likely After Success; Conference, PQCrypto 2020 (virtual); [slides] [video]
  • 06/2020: Tighter proofs of CCA security in the quantum random oracle model; Seminar, University of Ottawa, Ottawa, Canada (virtual); [slides]
  • 05/2020: Lattice-based cryptography--an example for quantum-secure cryptography; Seminar, University of Waterloo, Waterloo, Canada (virtual); [slides]
  • 01/2020: On the IND-CCA security of post-quantum public-key encryption schemes; Seminar, Yale University, New Haven, USA; [slides]
  • 12/2019: Tighter proofs of CCA security in the quantum random oracle model; Conference, IMACC 2019, Oxford, UK; [slides]
  • 12/2019: Tighter proofs of CCA security in the quantum random oracle model; Conference, TCC 2019, Nuremberg, Germany; [slides]

Composite (hybrid) schemes

  • 01/2019: Hybrid Cryptography for a Post-Quantum Transition; Seminar, Microsoft Research, Redmond, USA
  • 11/2017: Transitioning to a Quantum-Resistant Public Key Infrastructure; Workshop, Workshop on Cryptography for the Internet of Things and Cloud, Bochum, Germany; [slides]
  • 06/2017: Transitioning to a Quantum-Resistant Public Key Infrastructure; Conference, PQCrypto 2017, Utrecht, The Netherlands; [slides]

Lattices and TESLA family

  • 10/2020: The lattice-based signature scheme qTESLA; Conference ACNS 2020, (virtual); [slides] [video]
  • 05/2017: Ein deutsches digitales Signaturverfahren auf dem Weg zum internationalen kryptographischen Standard; Conference, 15. IT-Sicherheitskongress, Bonn, Germany; [slides]
  • 06/2016: Towards Practical Lattice-Based Signature Schemes; Seminar, Institute for Quantum Computing, University of Waterloo, Canada
  • 11/2015: Towards Practical and Provably Secure Lattice-Based Signatures; Workshop, CrossFyre 2015, Nijmegen, The Netherlands
  • 04/2016: An Efficient Lattice-Based Signature Scheme with Provably Secure Instantiation; Conference, AfricaCrypt 2016, Fés, Morocco; [slides]
  • 06/2015: TESLA: Tightly-Secure Efficient Signature Scheme from Standard Lattices; Workshop, The Mathematics of Modern Cryptography, Berkeley, USA

Fault and side channel attacks

  • 12/2017: If and how implementation attacks shape the design of lattice-based signature schemes; Conference, 16th IMA International conference on cryptography and coding; Oxford, UK; [slides]
  • 10/2017: Hampering fault attacks against lattice-based signature schemes— countermeasures and their efficiency; Conference, CODES/ISSS 2017 Companion, Seoul, South Korea; [slides]
  • 08/2016: Lattice-Based Signature Schemes and their Sensitivity to Fault Attacks; Workshop, FDTC 2016, Santa Barbara, USA; [slides]
  • 07/2021: The Promises and Challenges of Quantum; Panel discussion and podcast, Defence Deconstructed Podcast Series, CGAI (virtual); [podcast]
  • 07/2020: Governing the Future(s) of Emerging Technologies in Canada; NAADSN Ideas Series, (virtual); [summary] [video]

Others

  • 11/2023: PQ Transition of Real-World Protocols; Women in Cryptography Seminar (virtual) [video]
  • 12/2021: Post-Quantum Cryptography; Ada Lovelace Festival, lightning talk and panel discussion (virtual)
  • 12/2021: Post-quantum cryptography: faster, smaller, harder?; Mathematics of Digital Communication special session of the 2021 CMS Winter Meeting (virtual)
  • 11/2020: A status update on NIST's post-quantum standardization effort; Finite Fields Seminar, Carlton University Ottawa, Ottawa, Canada (virtual); [slides] [video]
  • 08/2020: A status update on NIST's post-quantum standardization effort; Seminar, University of Ottawa, Ottawa, Canada (virtual); [slides]