Sean Turner

Photo of Sean Turner

Sean Turner

Sean has been involved in the IETF since IETF 34 and has authored or co-authored over 50 RFCs. From March 2007 to March 2014, Sean served on the IESG as the IETF Security Area Director. Over the years Sean has chaired the RTCWEB, SMIME, WPACK, and XMPP WGs. Currently, Sean is chair of the DULT, MLS, TLS, and WISH WGs.

Sean is currently an ISOC Board appointed member of the IETF Administrative LLC Board. He has served as the Treasurer since 2019.

He is founder of sn3rd llc, which focuses on policy, design, and implementation of security solutions, and is author of the Implementing Email and Security Tokens: Current Standards, Tools, and Practices (John Wiley and Sons, 2008).

He served on the Internet Society's Board of Trustees as an IETF appointee from 2014-2020. While on the Board, he was a member of the Compensation, Elections, Executive, Finance, Governance, Nominations, and PIR Nomination Committees as well as serving a Treasurer from 2015-2019.

Roles

Role Group Email
Chair WebRTC Ingest Signaling over HTTPS (wish) [email protected]
Chair Detecting Unwanted Location Trackers (dult) [email protected]
Chair Messaging Layer Security (mls) [email protected]
Chair Transport Layer Security (tls) [email protected]
Liaison Manager IEEE 802.11 (ieee-802-11) [email protected]
Member IETF Administration LLC Board of Directors (llc-board) [email protected]
Reviewer ART Area Review Team (artart) [email protected]
Reviewer Security Area Directorate (secdir) [email protected]

RFCs (59)

RFC Date Title Cited by
RFC 3185 Oct 2001 Reuse of CMS Content Encryption Keys 1 RFC
RFC 4809 Feb 2007 Requirements for an IPsec Certificate Management Profile 1 RFC
RFC 5275 Jun 2008 CMS Symmetric Key Management and Distribution 3 RFCs
RFC 5480 Mar 2009 Elliptic Curve Cryptography Subject Public Key Information 37 RFCs
RFC 5750 Jan 2010 Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Certificate Handling 11 RFCs
RFC 5751 Jan 2010 Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Message Specification 76 RFCs
RFC 5752 Jan 2010 Multiple Signatures in Cryptographic Message Syntax (CMS) 6 RFCs
RFC 5753 Jan 2010 Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS) 19 RFCs
RFC 5754 Jan 2010 Using SHA2 Algorithms with Cryptographic Message Syntax 21 RFCs
RFC 5755 Jan 2010 An Internet Attribute Certificate Profile for Authorization 15 RFCs
RFC 5756 Jan 2010 Updates for RSAES-OAEP and RSASSA-PSS Algorithm Parameters 3 RFCs
RFC 5913 Jun 2010 Clearance Attribute and Authority Clearance Constraints Certificate Extension 2 RFCs
RFC 5915 Jun 2010 Elliptic Curve Private Key Structure 4 RFCs
RFC 5916 Jun 2010 Device Owner Attribute 1 RFC
RFC 5917 Jun 2010 Clearance Sponsor Attribute 1 RFC
RFC 5940 Aug 2010 Additional Cryptographic Message Syntax (CMS) Revocation Information Choices 1 RFC
RFC 5958 Aug 2010 Asymmetric Key Packages 24 RFCs
RFC 5959 Aug 2010 Algorithms for Asymmetric Key Package Content Type 7 RFCs
RFC 5967 Aug 2010 The application/pkcs10 Media Type 4 RFCs
RFC 5990 Sep 2010 Use of the RSA-KEM Key Transport Algorithm in the Cryptographic Message Syntax (CMS) 3 RFCs
RFC 6031 Dec 2010 Cryptographic Message Syntax (CMS) Symmetric Key Package Content Type 10 RFCs
RFC 6032 Dec 2010 Cryptographic Message Syntax (CMS) Encrypted Key Package Content Type 8 RFCs
RFC 6033 Dec 2010 Algorithms for Cryptographic Message Syntax (CMS) Encrypted Key Package Content Type 5 RFCs
RFC 6149 Mar 2011 MD2 to Historic Status 4 RFCs
RFC 6150 Mar 2011 MD4 to Historic Status 3 RFCs
RFC 6151 Mar 2011 Updated Security Considerations for the MD5 Message-Digest and the HMAC-MD5 Algorithms 37 RFCs
RFC 6160 Apr 2011 Algorithms for Cryptographic Message Syntax (CMS) Protection of Symmetric Key Package Content Types 5 RFCs
RFC 6161 Apr 2011 Elliptic Curve Algorithms for Cryptographic Message Syntax (CMS) Encrypted Key Package Content Type 4 RFCs
RFC 6162 Apr 2011 Elliptic Curve Algorithms for Cryptographic Message Syntax (CMS) Asymmetric Key Package Content Type 5 RFCs
RFC 6176 Mar 2011 Prohibiting Secure Sockets Layer (SSL) Version 2.0 7 RFCs
RFC 6194 Mar 2011 Security Considerations for the SHA-0 and SHA-1 Message-Digest Algorithms 27 RFCs
RFC 6268 Jul 2011 Additional New ASN.1 Modules for the Cryptographic Message Syntax (CMS) and the Public Key Infrastructure Using X.509 (PKIX) 16 RFCs
RFC 6403 Nov 2011 Suite B Profile of Certificate Management over CMS 3 RFCs
RFC 6916 Apr 2013 Algorithm Agility Procedure for the Resource Public Key Infrastructure (RPKI) 9 RFCs
RFC 7093 Dec 2013 Additional Methods for Generating Key Identifiers Values 1 RFC
RFC 7127 Jan 2014 Characterization of Proposed Standards 1 RFC
RFC 7169 Apr 2014 The NSA (No Secrecy Afforded) Certificate Extension 1 RFC
RFC 7192 Apr 2014 Algorithms for Cryptographic Message Syntax (CMS) Key Package Receipt and Error Content Types 2 RFCs
RFC 7193 Apr 2014 The application/cms Media Type 3 RFCs
RFC 7748 Jan 2016 Elliptic Curves for Security 32 RFCs
RFC 7906 Jun 2016 NSA's Cryptographic Message Syntax (CMS) Key Management Attributes 1 RFC
RFC 8208 Sep 2017 BGPsec Algorithms, Key Formats, and Signature Formats 8 RFCs
RFC 8209 Sep 2017 A Profile for BGPsec Router Certificates, Certificate Revocation Lists, and Certification Requests 8 RFCs
RFC 8226 Feb 2018 Secure Telephone Identity Credentials: Certificates 13 RFCs
RFC 8295 Jan 2018 EST (Enrollment over Secure Transport) Extensions 1 RFC
RFC 8447 Aug 2018 IANA Registry Updates for TLS and DTLS 12 RFCs
RFC 8550 Apr 2019 Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 4.0 Certificate Handling 5 RFCs
RFC 8551 Apr 2019 Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 4.0 Message Specification 14 RFCs
RFC 8608 Jun 2019 BGPsec Algorithms, Key Formats, and Signature Formats
RFC 8635 Aug 2019 Router Keying for BGPsec 1 RFC
RFC 8813 Aug 2020 Clarifications for Elliptic Curve Cryptography Subject Public Key Information
RFC 9001 May 2021 Using TLS to Secure QUIC 17 RFCs
RFC 9152 Apr 2022 Secure Object Delivery Protocol (SODP) Server Interfaces: NSA's Profile for Delivery of Certificates, Certificate Revocation Lists (CRLs), and Symmetric Keys to Clients
RFC 9191 Feb 2022 Handling Large Certificates and Long Certificate Chains in TLS-Based EAP Methods 2 RFCs
RFC 9295 Sep 2022 Clarifications for Ed25519, Ed448, X25519, and X448 Algorithm Identifiers
RFC 9310 Jan 2023 X.509 Certificate Extension for 5G Network Function Types
RFC 9336 Dec 2022 X.509 Certificate General-Purpose Extended Key Usage (EKU) for Document Signing
RFC 9646 Oct 2024 Conveying a Certificate Signing Request (CSR) in a Secure Zero-Touch Provisioning (SZTP) Bootstrapping Request
RFC 9662 Oct 2024 Updates to the Cipher Suites in Secure Syslog

Active Internet-Drafts (12)

Expired Internet-Drafts (58)

(Excluding replaced Internet-Drafts.)

Internet-Draft Activity