Christopher Wood
Research Lead
Christopher Wood is a Research Lead at Cloudflare Research. Outside of Cloudflare, he is co-chair of the TLS and MASQUE working groups at the IETF, as well as the PEARG research group in the IRTF. Before joining Cloudflare, Christopher worked on transport security, privacy, and cryptography engineering at Apple, as well as future Internet architectures at Xerox PARC. His interests lay at the intersection of network protocol design, communications security, privacy, and applied cryptography. At Cloudflare, he leads projects focused on security and privacy enhancements to a variety of systems, protocols, and applications. Christopher holds a Ph.D. in computer science from UC Irvine.
Research Areas
Networking, Cryptography, Privacy, Security
Projects
Publications
pendingA Fast and Simple Partially Oblivious PRF, with Applications
Under submission, 2021
Nirvan Tyagi,
Sofía Celi,
Thomas Ristenpart,
Nick Sullivan,
Stefano Tessaro,
Christopher A. Wood
2021Implementing and measuring KEMTLS
Latincrypt 2021 (to appear).
Sofía Celi,
Armando Faz-Hernández,
Nick Sullivan,
Goutam Tamvada,
Luke Valenta,
Thom Wiggers,
Bas Westerbaan,
Christopher A. Wood
2021The Ties that un-Bind: Decoupling IP from web services and sockets for robust addressing agility at CDN-scale
Proceedings of the 2021 ACM SIGCOMM 2021 Conference, pp. 433–446. 2021.
Marwan Fayed,
Lorenz Bauer,
Vasileios Giotsas,
Sami Kerola,
Marek Majkowski,
Pavel Odinstov,
Jakub Sitnicki,
Taejoong Chung,
Dave Levin,
Alan Mislove,
Christopher A. Wood,
Nick Sullivan
2021Oblivious DNS over HTTPS (ODoH): A Practical Privacy Enhancement to DNS
Proceedings on Privacy Enhancing Technologies 2021, Volume 4, pp. 575–592. 2021.
Sudheesh Singanamalla,
Suphanat Chunhapanya,
Jonathan Hoyland,
Marek Vavruša,
Tanya Verma,
Peter Wu,
Marwan Fayed,
Kurtis Heimerl,
Nick Sullivan,
Christopher A. Wood
2020RFC 8937: Randomness Improvements for Security Protocols
Internet Research Task Force (IRTF). 2020.
Cas Cremers,
Luke Garratt,
Stanislav Smyshlyaev,
Nick Sullivan,
Christopher A. Wood
2020RFC 8922: A Survey of the Interaction between Security Protocols and Transport Services
Internet Engineering Task Force (IETF). 2020.
Theresa Enghardt,
Tommy Pauly,
Colin Perkins,
Kyle Rose,
Christopher A. Wood
Blog posts
- Privacy-Preserving Compromised Credential Checking
- Cloudflare and the IETF
- Handshake Encryption: Endgame (an ECH update)