Nick Sullivan
Pronouns: he/him

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Nick Sullivan

Nick Sullivan is a technology leader and cryptography expert with over 20 years of experience in software engineering, research, and architecture, focused on improving security, performance, and privacy on the internet. He founded Cloudflare Research, a hybrid industry–academic research organization dedicated to advancing a more secure and resilient Internet. Nick serves as co-chair of the Crypto Forum Research Group (CFRG) at the IRTF and Messaging Layer Security (MLS) at the IETF.

Roles

Role Group Email
Chair Crypto Forum (cfrg) nicholas.sullivan+ietf@gmail.com
Chair Messaging Layer Security (mls) nicholas.sullivan+ietf@gmail.com
Liaison Member The Tools Team (tools) nicholas.sullivan+ietf@gmail.com
Member Internet Research Steering Group (irsg) nicholas.sullivan+ietf@gmail.com
Member Internet Architecture Board (iab) nicholas.sullivan+ietf@gmail.com
Reviewer (See reviews) Security Area Directorate (secdir) nicholas.sullivan+ietf@gmail.com

RFCs (7)

RFC Date Title Cited by
RFC 8586 Apr 2019 Loop Detection in Content Delivery Networks (CDNs) 2 RFCs
RFC 8937 Oct 2020 Randomness Improvements for Security Protocols 5 RFCs
RFC 9261 Jul 2022 Exported Authenticators in TLS
RFC 9345 Jul 2023 Delegated Credentials for TLS and DTLS 5 RFCs
RFC 9380 Aug 2023 Hashing to Elliptic Curves 6 RFCs
RFC 9497 Dec 2023 Oblivious Pseudorandom Functions (OPRFs) Using Prime-Order Groups 4 RFCs
RFC 9849 Mar 2026 TLS Encrypted Client Hello 18 RFCs

Active Internet-Drafts (6)

Expired Internet-Drafts (23)

(Excluding replaced Internet-Drafts.)

Internet-Draft Activity