@misc{kostler2026tutti, author = {Robin Köstler and Antonio Guimarães}, title = {{TUTTI: Parallel CKKS Bootstrapping in under 3 ms on CPU}}, howpublished = {arXiv:2611.12854}, year = {2026}, url = {https://arxiv.org/abs/2611.12854} } @inproceedings{cini2027tulva, author = {Valerio Cini and Antonio Guimarães and Russell W. F. Lai and Michał Osadnik and Ivy K. Y. Woo}, title = {{Tulva: Practical Asynchronous Threshold FHE}}, booktitle = {2027 IEEE Symposium on Security and Privacy (S\&P)}, year = {2027}, url = {https://arxiv.org/abs/2610.20521} } @inproceedings{cascudo2026batch, author = {Ignacio Cascudo and Anamaria Costache and Daniele Cozzo and Dario Fiore and Antonio Guimarães and Eduardo Soria-Vazquez}, title = {{Batch, Pack, and Prove: More Efficient Verifiable Computation for CKKS}}, booktitle = {Advances in Cryptology – ASIACRYPT 2026}, year = {2026}, url = {https://arxiv.org/abs/2611.16922} } @inproceedings{guimaraes2026petcha, author = {Antonio Guimarães and Gabriela M. Jacob and Hilder V. L. Pereira}, title = {{PETCHA: Post-quantum Efficient Transciphering with ChaCha}}, booktitle = {Post-Quantum Cryptography (PQCrypto 2026)}, year = {2026}, url = {https://eprint.iacr.org/2026/112} } @article{EPRINT:CGMMP25, author = {Nabil Chacal and Antonio Guimarães and Ange Martinelli and Pierrick Méaux and Romain Poussier}, title = {{Nostalgia Cipher: Can Filtered LFSRs Be Secure Again? An Application to Hybrid Homomorphic Encryption with Sub-50 ms Latency}}, journal = {IACR Transactions on Symmetric Cryptology, 2025(4), 1–30}, year = {2025}, url = {https://eprint.iacr.org/2025/2140} } @inproceedings{CCS:GuiPer25, author = {Antonio Guimarães and Hilder V. L. Pereira}, title = {{Fast amortized bootstrapping with small keys and polynomial noise overhead}}, booktitle = {ACM SIGSAC Conference on Computer and Communications Security (CCS 2025), Taipei}, year = {2025}, doi = {10.1145/3719027.3765181}, url = {https://eprint.iacr.org/2025/686} } @inproceedings{C:CCCFGS25, author = {Ignacio Cascudo and Anamaria Costache and Daniele Cozzo and Dario Fiore and Antonio Guimarães and Eduardo Soria-Vazquez}, title = {{Verifiable Computation for Approximate Homomorphic Encryption Schemes}}, booktitle = {Advances in Cryptology – CRYPTO 2025, Santa Barbara}, year = {2025}, doi = {10.1007/978-3-032-01907-3_21}, url = {https://eprint.iacr.org/2025/286} } @inproceedings{ACNS:NGAB25, author = {Leonardo Neumann and Antonio Guimarães and Diego F. Aranha and Edson Borin}, title = {{Homomorphic WiSARDs: Efficient Weightless Neural Network training over encrypted data}}, booktitle = {Applied Cryptography and Network Security (ACNS 2025), Munich}, year = {2025}, doi = {10.1007/978-3-031-95767-3_12}, url = {https://arxiv.org/abs/2403.20190} } @inproceedings{serodio2025risc, author = {João Seródio and Antonio Guimarães and Edson Borin}, title = {{RISC-V Assembly Learning Environment: An extensible web-based platform}}, booktitle = {Workshop on Computer Architecture Education (WCAE '25), at ISCA 2025, Tokyo}, year = {2025}, doi = {10.1145/3743646.3750016}, url = {https://doi.org/10.1145/3743646.3750016} } @article{TCHES:AGHM25, author = {Diego F. Aranha and Antonio Guimarães and Clément Hoffmann and Pierrick Méaux}, title = {{Secure and efficient transciphering for FHE-based MPC}}, journal = {IACR Transactions on Cryptographic Hardware and Embedded Systems, 2025(3), 745–780}, year = {2025}, doi = {10.46586/tches.v2025.i3.745-780}, url = {https://eprint.iacr.org/2024/1702} } @inproceedings{AC:ACGS24, author = {Diego F. Aranha and Anamaria Costache and Antonio Guimarães and Eduardo Soria-Vazquez}, title = {{HELIOPOLIS: Verifiable Computation over Homomorphically Encrypted Data from Interactive Oracle Proofs is Practical}}, booktitle = {Advances in Cryptology – ASIACRYPT 2024, Kolkata}, year = {2024}, doi = {10.1007/978-981-96-0935-2_10}, url = {https://eprint.iacr.org/2023/1949} } @article{EPRINT:GuiBorAra22, author = {Antonio Guimarães and Edson Borin and Diego F. Aranha}, title = {{MOSFHET: Optimized Software for FHE over the Torus}}, journal = {Journal of Cryptographic Engineering 14, 577–593 (2024)}, year = {2024}, doi = {10.1007/s13389-024-00359-z}, url = {https://eprint.iacr.org/2022/515} } @inproceedings{AC:GuiPervLe23, author = {Antonio Guimarães and Hilder V. L. Pereira and Barry van Leeuwen}, title = {{Amortized Bootstrapping Revisited: Simpler, Asymptotically-faster, Implemented}}, booktitle = {Advances in Cryptology – ASIACRYPT 2023, Guangzhou}, year = {2023}, doi = {10.1007/978-981-99-8736-8_1}, url = {https://eprint.iacr.org/2023/014} } @inproceedings{guimaraes2022homomorphic, author = {Antonio Guimarães and Leonardo Neumann and Fernanda A. Andaló and Diego F. Aranha and Edson Borin}, title = {{Homomorphic evaluation of large look-up tables for inference on human genome data in the cloud}}, booktitle = {2nd Workshop on Cloud Computing (WCC), at SBAC-PAD 2022, Bordeaux}, year = {2022}, doi = {10.1109/SBAC-PADW56527.2022.00015}, url = {https://doi.org/10.1109/SBAC-PADW56527.2022.00015} } @article{TCHES:GuiBorAra21, author = {Antonio Guimarães and Edson Borin and Diego F. Aranha}, title = {{Revisiting the functional bootstrap in TFHE}}, journal = {IACR Transactions on Cryptographic Hardware and Embedded Systems, 2021(2), 229–253}, year = {2021}, doi = {10.46586/tches.v2021.i2.229-253}, url = {https://doi.org/10.46586/tches.v2021.i2.229-253} } @article{guimaraes2021high, author = {Antonio Guimarães and Luis Lacalle and Charles B. Rodamilans and Edson Borin}, title = {{High-performance IO for seismic processing on the cloud}}, journal = {Concurrency and Computation: Practice and Experience, 2021}, year = {2021}, doi = {10.1002/cpe.6250}, url = {https://doi.org/10.1002/cpe.6250} } @article{JCEng:CruGuiAra20, author = {Rafael J. Cruz and Antonio Guimarães and Diego F. Aranha}, title = {{Efficient and secure software implementations of Fantomas}}, journal = {Journal of Cryptographic Engineering 10, 211–228 (2020)}, year = {2020}, doi = {10.1007/s13389-019-00218-2}, url = {https://eprint.iacr.org/2019/906} } @article{guimaraes2019optimized, author = {Antonio Guimarães and Diego F. Aranha and Edson Borin}, title = {{Optimized implementation of QC-MDPC code-based cryptography}}, journal = {Concurrency and Computation: Practice and Experience, 31(18), 2019}, year = {2019}, doi = {10.1002/cpe.5089}, url = {https://doi.org/10.1002/cpe.5089} } @inproceedings{guimaraes2019introducing, author = {Antonio Guimarães and Edson Borin and Diego F. Aranha}, title = {{Introducing Arithmetic Failures to Accelerate QC-MDPC Code-Based Cryptography}}, booktitle = {Code-Based Cryptography Workshop (CBC 2019), Darmstadt. Springer LNCS, pp. 44–68}, year = {2019}, doi = {10.1007/978-3-030-25922-8_3}, url = {https://doi.org/10.1007/978-3-030-25922-8_3} } @inproceedings{guimaraes2017optimizing, author = {Antonio Guimarães and Diego F. Aranha and Edson Borin}, title = {{Optimizing the Decoding Process of a Post-Quantum Cryptographic Algorithm}}, booktitle = {XVIII Simpósio em Sistemas Computacionais de Alto Desempenho (WSCAD 2017)}, year = {2017}, doi = {10.5753/wscad.2017.247}, url = {https://doi.org/10.5753/wscad.2017.247} }