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Armando Faz Hernandez Armando Faz Hernandez
Research Engineer

Armando Faz is a research engineer working on securing cryptographic software and communication protocols. His research focuses on optimizing and developing communication protocols using classic and quantum-resistant cryptography.

Research Areas

Cryptography Engineering, Elliptic Curve Cryptography, Post-Quantum Cryptography

Projects

Publications

2025Rhizomes and the Roots of Efficiency — Improving Prio

International Conference on Cryptology and Information Security in Latin America (LATINCRYPT 2025). Lecture Notes in Computer Science, vol 16129, Springer, Cham, 2025.
Armando Faz-Hernandez

2023RFC 9497: Oblivious Pseudorandom Functions (OPRFs) Using Prime-Order Groups

Internet Research Task Force (IRTF). 2023.
Alex Davidson, Armando Faz-Hernandez, Nick Sullivan, Christopher A. Wood

2023RFC 9380: Hashing to Elliptic Curves

Internet Research Task Force (IRTF). 2023.
Armando Faz-Hernandez, Sam Scott, Nick Sullivan, Riad S. Wahby, Christopher A. Wood

2023Portunus: Re-imagining access control in distributed systems

2023 USENIX Annual Technical Conference (USENIX ATC 23), pp. 35-52, Boston, MA, 2023.
Watson Ladd, Marloes Venema, Tanya Verma, Armando Faz-Hernandez, Brendan McMillion, Avani Wildani, Nick Sullivan

2023Post-Quantum Privacy Pass via Post-Quantum Anonymous Credentials

Real World Crypto Symposium 2023. Tokyo, Japan. March 2023.
Vamsi Policharla, Bas Westerbaan, Armando Faz-Hernandez, Christopher A. Wood

2022Let The Right One In: Attestation as a Usable CAPTCHA Alternative

Eighteenth Symposium on Usable Privacy and Security (SOUPS 2022), Boston, MA. 2022.
Tara Whalen, Thibault Meunier, Mrudula Kodali, Alex Davidson, Marwan Fayed, Armando Faz-Hernandez, Watson Ladd, Deepak Maram, Nick Sullivan, Benedikt Christoph Wolters, Maxime Guerreiro, Andrew Galloni

2021Implementing and measuring KEMTLS

Progress in Cryptology – LATINCRYPT 2021, Lecture Notes in Computer Science(), vol 12912. Springer, 2021.
Sofía Celi, Armando Faz-Hernandez, Nick Sullivan, Goutam Tamvada, Luke Valenta, Thom Wiggers, Bas Westerbaan, Christopher A. Wood

2021Post-quantum TLS without handshake signatures

Real World Crypto Symposium 2021. Virtual. January 2021.
Sofía Celi, Armando Faz-Hernandez, Peter Schwabe, Douglas Stebila, Thom Wiggers

2021ZKAttest: Ring and Group Signatures for Existing ECDSA Keys

Selected Areas in Cryptography (SAC 2021). Lecture Notes in Computer Science, vol 13203, Springer, Cham, 2021.
Armando Faz-Hernandez, Watson Ladd, Deepak Maram

Blog posts