Tuning the Winternitz hash-based digital signature scheme. - Lucas Pandolfo Perin; Gustavo Zambonin; Douglas Marcelino Beppler Martins; Ricardo Felipe Custódio; Jean Everson Martina (ISCC, 2018)

Handling Vinegar Variables to Shorten Rainbow Key Pairs. - Gustavo Zambonin; Matheus S. P. Bittencourt; Ricardo Felipe Custódio (AFRICACRYPT, 2019)

Improved constant-sum encodings for hash-based signatures. - Lucas Pandolfo Perin; Gustavo Zambonin; Ricardo Felipe Custódio; Lucia Moura; Daniel Panario (J. Cryptogr. Eng., 2021)

Monitoring Key Pair Usage through Distributed Ledgers and One-Time Signatures. - Lucas Mayr; Lucas M. Palma; Gustavo Zambonin; Wellington Silvano; Ricardo Custódio (Inf., 2023)

A Concrete LIP-Based KEM With Simple Lattices. - Gustavo de Castro Biage; Gustavo Zambonin; Thaís Bardini Idalino; Daniel Panario; Ricardo Felipe Custódio (IEEE Access, 2024)

From ElGamal to Lattice-Based: Enhancing Helios Voting with Quantum-Safe Cryptography. - João Pedro Cardoso Barbosa; Gustavo Zambonin; Thaís Bardini Idalino; Ricardo Felipe Custódio (ACNS (3), 2025)

Enhanced SIM Swap Security Practices via Ceremony Modeling. - Larissa Gremelmaier Rosa; Gustavo Zambonin; Jean Everson Martina (AINA (5), 2025)