Publications and Talks

  • Mask Conversions for d+1 shares in Hardware, with Application to Lattice-based PQC with Quinten Norga, Suparna Kundu, Ingrid Verbauwhede [eprint]

  • FPT: a Fixed-Point Accelerator for Torus Fully Homomorphic Encryption with Michiel Van Beirendonck, Ingrid Verbauwhede, Conference on Computer and Communication Security (CCS) 2023 [eprint]

  • Neural Network Quantisation for Faster Homomorphic Encryption with Wouter Legiest, Furkan Turan, Michiel Van Beirendonck, Ingrid Verbauwhede, International Symposium on On-Line Testing and Robust System Design (IOLTS) 2023 [eprint]

  • Defeating Low-Cost Countermeasures against Side-Channel Attacks in Lattice-based Encryption-A Case Study on Crystals-Kyber with Prasanna Ravi, Thales Paiva, Dirmanto Jap, Shivam Bhasin [eprint]

  • One-Hot Conversion: Towards Faster Table-based A2B Conversion
    Eurocrypt 2023 [eprint]

  • Pushing the Limits of Generic Side-Channel Attacks on LWE-based KEMs-Parallel PC Oracle Attacks on Kyber KEM and Beyond
    with Gokulnath Rajendran, Prasanna Ravi, Shivam Bhasin, Anupam Chattopadhyay, IACR Transactions on Cryptographic Hardware and Embedded Systems (TCHES) 2023 [eprint]

  • Higher-order masked Saber
    with Suparna Kundu, Michiel Van Beirendonck, Angshuman Karmakar, Ingrid Verbauwhede, Security and Communication Networks (SCN) 2022 [eprint] [code]

  • Revisiting Higher-Order Masked Comparison for Lattice-Based Cryptography: Algorithms and Bit-sliced Implementations
    with Jan-Pieter D’Anvers, Michiel Van Beirendonck, Ingrid Verbauwhede, IEEE Transactions on Computers 2023 [eprint] [code]

  • Higher-Order Masked Ciphertext Comparison for Lattice-Based Cryptography
    with Jan-Pieter D’Anvers, Daniel Heinz, Peter Pessl, Michiel Van Beirendonck, Ingrid Verbauwhede, IACR Transactions on Cryptographic Hardware and Embedded Systems (TCHES) 2022 [eprint] [code]

  • Multitarget decryption failure attacks and their application to Saber and Kyber
    with Senne Batsleer, PKC 2022 [eprint] [code]

  • Attacking and Defending Masked Polynomial Comparison for Lattice-Based Cryptography
    with Shivam Bhasin, Daniel Heinz, Thomas Pöppelmann and Michiel Van Beirendonck, IACR Transactions on Cryptographic Hardware and Embedded Systems (TCHES) 2021 [eprint] [video]

  • Error Term Checking: Towards Chosen Ciphertext Security without Re-encryption
    with Emmanuela Orsini and Frederik Vercauteren, ACM ASIA Public-Key Cryptography Workshop 2021 (Best paper award) [eprint] [code]

  • Analysis and Comparison of Table-based Arithmetic to Boolean Masking
    with Michiel Van Beirendonck, Ingrid Verbauwhede, IACR Transactions on Cryptographic Hardware and Embedded Systems (TCHES) 2021 [eprint] [video]

  • A Side-Channel Resistant Implementation of SABER
    with Michiel Van Beirendonck, Angshuman Karmakar, Josep Balasch, Ingrid Verbauwhede, ACM Journal on Emerging Technologies in Computing Systems 2020 [eprint]

  • (One) Failure Is Not an Option: Bootstrapping the Search for Failures in Lattice-Based Encryption Schemes
    with Mélissa Rossi and Fernando Virdia, Eurocrypt 2020 [eprint] [video] [original code] [newest failure boosting code]

  • Exploiting Decryption Failures in Mersenne Number Cryptosystems
    with Marcel Tiepelt, APKC 2020 [eprint] [original code]

  • Decryption failure attacks on IND-CCA secure lattice-based schemes
    with Qian Guo, Thomas Johansson, Alexander Nilsson, Frederik Vercauteren and Ingrid Verbauwhede, PKC 2019 (merged paper)

    original paper: On the impact of decryption failures on the security of LWE/LWR based schemes
    with Frederik Vercauteren and Ingrid Verbauwhede, (merged for publication as explained above) [eprint] [video] [original code] [newest failure boosting code]

  • The Impact of Error Dependencies on Ring/Mod-LWE/LWR Based Schemes
    with Frederik Vercauteren and Ingrid Verbauwhede, PQCrypto 2019 [eprint] [video] [original code]

  • Timing Attacks on Error Correcting Codes in Post-Quantum Schemes
    with Marcel Tiepelt, Frederik Vercauteren and Ingrid Verbauwhede, Theory of Implementation Security 2019 [eprint] [original code]

  • Saber: Module-LWR based key exchange, CPA-secure encryption and CCA-secure KEM with Angshuman Karmakar, Sujoy Sinha Roy and Frederik Vercauteren, Africacrypt 2018 [eprint] [website] [code]

PhD thesis

  • Design and Security Analysis of Lattice-based Post-Quantum Encryption [thesis] [video]

Reports

  • Post-Quantum Cryptography: Current state and quantum mitigation with Ward Beullens, Andreas Hülsing, Tanja Lange, Lorenz Panny, Cyprien de Saint Guilhem, Nigel Smart, 2021 [website]

  • Saber: submission to round 1 of the NIST PQC standardization process
    with Angshuman Karmakar, Sujoy Sinha Roy, Frederik Vercauteren, 2017 [submission] [website]

  • Saber: submission to round 2 of the NIST PQC standardization process
    with Angshuman Karmakar, Sujoy Sinha Roy, Frederik Vercauteren, 2019 [submission] [website]

  • Saber: submission to round 3 of the NIST PQC standardization process
    with Andrea Basso, Jose Maria Bermudo, Michiel Van Beirendonck, Angshuman Karmakar, Sujoy Sinha Roy, Frederik Vercauteren, 2020 [submission] [website]

Talks

  • Computing on encrypted data: extracting value from confidential data ◦ Invited talk at Televic Group, 2023

  • Post-Quantum Cryptography: time to act ◦ Invited talk at Cybersecurity Research & Industry Event, Cybersecurity Flanders (CIF), 2022

  • Post-Quantum Cryptography: maintaining security in a quantum world
    ◦ Invited talk at Computer Science Seminars, Université Libre de Bruxelles, 2022

  • Masking Lattice-based Post-Quantum Encryption
    ◦ Invited talk at CryptoExperts, Paris 2022

  • Multitarget decryption failure attacks and their application to Saber and Kyber
    ◦ PKC 2022 (Online) [video]

  • Post-quantum Cryptography: Status and Masking Schemes
    ◦ Invited talk at Semiconductor Research Corporation 2021

  • Analysis and Comparison of Table-based Arithmetic to Boolean Masking
    ◦ CHES 2021 (Online) [video]

  • Error Term Checking: Towards Chosen Ciphertext Security without Re-encryption
    ◦ Crypto Seminar, Ruhr-Universität Bochum and Bochum Max-Planck institute 2021

  • (One) Failure Is Not an Option: Bootstrapping the Search for Failures in Lattice-Based Encryption Schemes
    ◦ Eurocrypt 2020 [video] [Q&A]

  • How Dangerous are Decryption Failures in Lattice-based Encryption?
    ◦ Invited talk at London-ish Lattice Coding & Crypto Meetings 2019 [slides]

  • Saber: submission to round 2 of the NIST PQC standardization process
    ◦ Second PQC Standardization Conference [slides]

  • Decryption failure attacks on IND-CCA secure lattice-based schemes
    ◦ PKC 2019
    ◦ Cosic Seminar 2019 [video]

  • The impact of decryption failures on the security of LWE/LWR based schemes
    ◦ Invited talk at Weekly Crypto Session, AriC, ENS Lyon 2019

  • The Impact of Error Dependencies on Ring/Mod-LWE/LWR Based Schemes
    ◦ PQ Crypto 2019
    ◦ Cosic Seminar 2019 [video]

  • Timing Attacks on Error Correcting Codes in Post-Quantum Schemes
    ◦ Theory of Implementation Security 2019

  • Saber: Module-LWR based key exchange, CPA-secure encryption and CCA-secure KEM
    ◦ Africacrypt 2018

Scientific activity

  • Program committee member of [[TCHES 2024]] [PQCrypto 2022], [CARDIS 2021] and [Latincrypt 2021].
  • Reviewer for among others Crypto, Eurocrypt, Asiacrypt, TCHES, DATE, IEEE Transactions on Computers and ACM Computing Surveys