Et tu, Brute? SCA Assisted CCA using Valid Ciphertexts - A Case Study on HQC KEM. - Thales B. Paiva; Prasanna Ravi; Dirmanto Jap; Shivam Bhasin (IACR Cryptol. ePrint Arch., 2023)

Tailoring two-dimensional codes for structured lattice-based KEMs and applications to Kyber. - Thales B. Paiva; Marcos A. Simplício Jr.; Syed Mahbub Hafiz; Bahattin Yildiz; Eduardo Lopes Cominetti (IACR Cryptol. ePrint Arch., 2024)

Defeating Low-Cost Countermeasures against Side-Channel Attacks in Lattice-based Encryption A Case Study on Crystals-Kyber. - Prasanna Ravi; Thales B. Paiva; Dirmanto Jap; Jan-Pieter D'Anvers; Shivam Bhasin (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2024)

Et tu, Brute? Side-Channel Assisted Chosen Ciphertext Attacks Using Valid Ciphertexts on HQC KEM. - Thales B. Paiva; Prasanna Ravi; Dirmanto Jap; Shivam Bhasin; Sayan Das; Anupam Chattopadhyay (PQCrypto (2), 2025)

Incompleteness in Number-Theoretic Transforms: New Tradeoffs and Faster Lattice-Based Cryptographic Applications. - Syed Mahbub Hafiz; Bahattin Yildiz; Marcos A. Simplício Jr.; Thales B. Paiva; Henrique S. Ogawa; Gabrielle De Micheli; Eduardo Lopes Cominetti (IACR Cryptol. ePrint Arch., 2025)

Faster amortized bootstrapping using the incomplete NTT for free. - Thales B. Paiva; Gabrielle De Micheli; Syed Mahbub Hafiz; Marcos A. Simplício Jr.; Bahattin Yildiz (IACR Cryptol. ePrint Arch., 2025)

KyberSlash: Exploiting secret-dependent division timings in Kyber implementations. - Daniel J. Bernstein; Karthikeyan Bhargavan; Shivam Bhasin; Anupam Chattopadhyay; Tee Kiah Chia; Matthias J. Kannwischer; Franziskus Kiefer; Thales B. Paiva; Prasanna Ravi; Goutam Tamvada (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2025)

Tailorable codes for lattice-based KEMs with applications to compact ML-KEM instantiations. - Thales B. Paiva; Marcos A. Simplício Jr.; Syed Mahbub Hafiz; Bahattin Yildiz; Eduardo Lopes Cominetti; Henrique S. Ogawa (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2025)