Thales B. Paiva

12 papers A 1Journal 10Unranked 1
YearRankTypeTitle / Venue / Authors
2025 — conf
Et tu, Brute? Side-Channel Assisted Chosen Ciphertext Attacks Using Valid Ciphertexts on HQC KEM.
PQCrypto (2)
Thales B. Paiva, Prasanna Ravi, Dirmanto Jap, Shivam Bhasin, Sayan Das, Anupam Chattopadhyay
2025 J jnl
Faster amortized bootstrapping using the incomplete NTT for free.
IACR Cryptol. ePrint Arch.
Thales B. Paiva, Gabrielle De Micheli, Syed Mahbub Hafiz, Marcos A. Simplício Jr., Bahattin Yildiz
2025 J jnl
Faster amortized bootstrapping using the incomplete NTT for free.
IACR Trans. Cryptogr. Hardw. Embed. Syst.
Thales B. Paiva, Gabrielle De Micheli, Syed Mahbub Hafiz, Marcos A. Simplício Jr., Bahattin Yildiz
2025 A conf
Incompleteness in Number-Theoretic Transforms: New Tradeoffs and Faster Lattice-Based Cryptographic Applications.
EuroS&P
Syed Mahbub Hafiz, Bahattin Yildiz, Marcos A. Simplício Jr., Thales B. Paiva, Henrique S. Ogawa, Gabrielle De Micheli, Eduardo Lopes Cominetti
2025 J jnl
Incompleteness in Number-Theoretic Transforms: New Tradeoffs and Faster Lattice-Based Cryptographic Applications.
IACR Cryptol. ePrint Arch.
Syed Mahbub Hafiz, Bahattin Yildiz, Marcos A. Simplício Jr., Thales B. Paiva, Henrique S. Ogawa, Gabrielle De Micheli, Eduardo Lopes Cominetti
2025 J jnl
KyberSlash: Exploiting secret-dependent division timings in Kyber implementations.
IACR Trans. Cryptogr. Hardw. Embed. Syst.
Daniel J. Bernstein, Karthikeyan Bhargavan, Shivam Bhasin, Anupam Chattopadhyay, Tee Kiah Chia, Matthias J. Kannwischer, Franziskus Kiefer, Thales B. Paiva, Prasanna Ravi, Goutam Tamvada
2025 J jnl
Tailorable codes for lattice-based KEMs with applications to compact ML-KEM instantiations.
IACR Trans. Cryptogr. Hardw. Embed. Syst.
Thales B. Paiva, Marcos A. Simplício Jr., Syed Mahbub Hafiz, Bahattin Yildiz, Eduardo Lopes Cominetti, Henrique S. Ogawa
2024 J jnl
Defeating Low-Cost Countermeasures against Side-Channel Attacks in Lattice-based Encryption A Case Study on Crystals-Kyber.
IACR Trans. Cryptogr. Hardw. Embed. Syst.
Prasanna Ravi, Thales B. Paiva, Dirmanto Jap, Jan-Pieter D'Anvers, Shivam Bhasin
2024 J jnl
KyberSlash: Exploiting secret-dependent division timings in Kyber implementations.
IACR Cryptol. ePrint Arch.
Daniel J. Bernstein, Karthikeyan Bhargavan, Shivam Bhasin, Anupam Chattopadhyay, Tee Kiah Chia, Matthias J. Kannwischer, Franziskus Kiefer, Thales B. Paiva, Prasanna Ravi, Goutam Tamvada
2024 J jnl
Tailoring two-dimensional codes for structured lattice-based KEMs and applications to Kyber.
IACR Cryptol. ePrint Arch.
Thales B. Paiva, Marcos A. Simplício Jr., Syed Mahbub Hafiz, Bahattin Yildiz, Eduardo Lopes Cominetti
2023 J jnl
Defeating Low-Cost Countermeasures against Side-Channel Attacks in Lattice-based Encryption - A Case Study on Crystals-Kyber.
IACR Cryptol. ePrint Arch.
Prasanna Ravi, Thales B. Paiva, Dirmanto Jap, Jan-Pieter D'Anvers, Shivam Bhasin
2023 J jnl
Et tu, Brute? SCA Assisted CCA using Valid Ciphertexts - A Case Study on HQC KEM.
IACR Cryptol. ePrint Arch.
Thales B. Paiva, Prasanna Ravi, Dirmanto Jap, Shivam Bhasin