Paul E. Hoffman

Photo of Paul E. Hoffman

Paul E. Hoffman

Roles

Role Group Email
Chair Post-Quantum Use In Protocols (pquip) paul.hoffman@icann.org
Chair Concise Binary Object Representation Maintenance and Extensions (cbor) paul.hoffman@icann.org
Delegate Key Transparency (keytrans) paul.hoffman@icann.org
Member RFC Production Advisory Team (rpat) paul.hoffman@icann.org

RFCs (83)

RFC Date Title Cited by
RFC 2311 Mar 1998 S/MIME Version 2 Message Specification 25 RFCs
RFC 2312 Mar 1998 S/MIME Version 2 Certificate Handling 10 RFCs
RFC 2368 Jul 1998 The mailto URL scheme 20 RFCs
RFC 2487 Jan 1999 SMTP Service Extension for Secure SMTP over TLS 6 RFCs
RFC 2585 May 1999 Internet X.509 Public Key Infrastructure Operational Protocols: FTP and HTTP 26 RFCs
RFC 2634 Jun 1999 Enhanced Security Services for S/MIME 49 RFCs
RFC 2781 Feb 2000 UTF-16, an encoding of ISO 10646 40 RFCs
RFC 2987 Nov 2000 Registration of Charset and Languages Media Features Tags 3 RFCs
RFC 3207 Feb 2002 SMTP Service Extension for Secure SMTP over Transport Layer Security 37 RFCs
RFC 3233 Feb 2002 Defining the IETF 3 RFCs
RFC 3454 Jan 2003 Preparation of Internationalized Strings ("stringprep") 65 RFCs
RFC 3490 Mar 2003 Internationalizing Domain Names in Applications (IDNA) 82 RFCs
RFC 3491 Mar 2003 Nameprep: A Stringprep Profile for Internationalized Domain Names (IDN) 36 RFCs
RFC 3536 May 2003 Terminology Used in Internationalization in the IETF 7 RFCs
RFC 3664 Jan 2004 The AES-XCBC-PRF-128 Algorithm for the Internet Key Exchange Protocol (IKE) 7 RFCs
RFC 3766 Apr 2004 Determining Strengths For Public Keys Used For Exchanging Symmetric Keys 32 RFCs
RFC 3854 Jul 2004 Securing X.400 Content with Secure/Multipurpose Internet Mail Extensions (S/MIME) 2 RFCs
RFC 3855 Jul 2004 Transporting Secure/Multipurpose Internet Mail Extensions (S/MIME) Objects in X.400 3 RFCs
RFC 4109 May 2005 Algorithms for Internet Key Exchange version 1 (IKEv1) 3 RFCs
RFC 4134 Jul 2005 Examples of S/MIME Messages 6 RFCs
RFC 4156 Aug 2005 The wais URI Scheme 1 RFC
RFC 4157 Aug 2005 The prospero URI Scheme 1 RFC
RFC 4248 Oct 2005 The telnet URI Scheme 2 RFCs
RFC 4266 Nov 2005 The gopher URI Scheme 1 RFC
RFC 4270 Dec 2005 Attacks on Cryptographic Hashes in Internet Protocols 27 RFCs
RFC 4308 Dec 2005 Cryptographic Suites for IPsec 7 RFCs
RFC 4434 Feb 2006 The AES-XCBC-PRF-128 Algorithm for the Internet Key Exchange Protocol (IKE) 6 RFCs
RFC 4677 Sep 2006 The Tao of IETF - A Novice's Guide to the Internet Engineering Task Force 4 RFCs
RFC 4718 Oct 2006 IKEv2 Clarifications and Implementation Guidelines 8 RFCs
RFC 4894 May 2007 Use of Hash Algorithms in Internet Key Exchange (IKE) and IPsec 1 RFC
RFC 5518 Apr 2009 Vouch By Reference 8 RFCs
RFC 5895 Sep 2010 Mapping Characters for Internationalized Domain Names in Applications (IDNA) 2008 14 RFCs
RFC 5911 Jun 2010 New ASN.1 Modules for Cryptographic Message Syntax (CMS) and S/MIME 20 RFCs
RFC 5912 Jun 2010 New ASN.1 Modules for the Public Key Infrastructure Using X.509 (PKIX) 51 RFCs
RFC 5996 Sep 2010 Internet Key Exchange Protocol Version 2 (IKEv2) 67 RFCs
RFC 6014 Nov 2010 Cryptographic Algorithm Identifier Allocation for DNSSEC 5 RFCs
RFC 6194 Mar 2011 Security Considerations for the SHA-0 and SHA-1 Message-Digest Algorithms 28 RFCs
RFC 6292 Jun 2011 Requirements for a Working Group Charter Tool 3 RFCs
RFC 6293 Jun 2011 Requirements for Internet-Draft Tracking by the IETF Community in the Datatracker
RFC 6322 Jul 2011 Datatracker States and Annotations for the IAB, IRTF, and Independent Submission Streams 1 RFC
RFC 6358 Jan 2012 Additional Master Secret Inputs for TLS
RFC 6365 Sep 2011 Terminology Used in Internationalization in the IETF 21 RFCs
RFC 6433 Nov 2011 Requirements for a Working Group Milestones Tool
RFC 6452 Nov 2011 The Unicode Code Points and Internationalized Domain Names for Applications (IDNA) - Unicode 6.0 5 RFCs
RFC 6605 Apr 2012 Elliptic Curve Digital Signature Algorithm (DSA) for DNSSEC 7 RFCs
RFC 6698 Aug 2012 The DNS-Based Authentication of Named Entities (DANE) Transport Layer Security (TLS) Protocol: TLSA 44 RFCs
RFC 6722 Aug 2012 Publishing the "Tao of the IETF" as a Web Page 1 RFC
RFC 6927 May 2013 Variants in Second-Level Names Registered in Top-Level Domains 2 RFCs
RFC 7049 Oct 2013 Concise Binary Object Representation (CBOR) 28 RFCs
RFC 7085 Dec 2013 Top-Level Domains That Are Already Dotless
RFC 7296 Oct 2014 Internet Key Exchange Protocol Version 2 (IKEv2) 49 RFCs
RFC 7321 Aug 2014 Cryptographic Algorithm Implementation Requirements and Usage Guidance for Encapsulating Security Payload (ESP) and Authentication Header (AH) 5 RFCs
RFC 7386 Oct 2014 JSON Merge Patch
RFC 7396 Oct 2014 JSON Merge Patch 3 RFCs
RFC 7486 Mar 2015 HTTP Origin-Bound Authentication (HOBA) 4 RFCs
RFC 7706 Nov 2015 Decreasing Access Time to Root Servers by Running One on Loopback 2 RFCs
RFC 7719 Dec 2015 DNS Terminology 14 RFCs
RFC 7858 May 2016 Specification for DNS over Transport Layer Security (TLS) 44 RFCs
RFC 7958 Aug 2016 DNSSEC Trust Anchor Publication for the Root Zone 1 RFC
RFC 7991 Dec 2016 The "xml2rfc" Version 3 Vocabulary 16 RFCs
RFC 7992 Dec 2016 HTML Format for RFCs 3 RFCs
RFC 7998 Dec 2016 "xml2rfc" Version 3 Preparation Tool Description 2 RFCs
RFC 8109 Mar 2017 Initializing a DNS Resolver with Priming Queries 2 RFCs
RFC 8145 Apr 2017 Signaling Trust Anchor Knowledge in DNS Security Extensions (DNSSEC) 4 RFCs
RFC 8162 May 2017 Using Secure DNS to Associate Certificates with Domain Names for S/MIME 4 RFCs
RFC 8427 Jul 2018 Representing DNS Messages in JSON 2 RFCs
RFC 8484 Oct 2018 DNS Queries over HTTPS (DoH) 33 RFCs
RFC 8499 Jan 2019 DNS Terminology 34 RFCs
RFC 8806 Jun 2020 Running a Root Server Local to a Resolver 4 RFCs
RFC 8875 Aug 2020 Working Group GitHub Administration 1 RFC
RFC 8949 Dec 2020 Concise Binary Object Representation (CBOR) 23 RFCs
RFC 9156 Nov 2021 DNS Query Name Minimisation to Improve Privacy 1 RFC
RFC 9157 Dec 2021 Revised IANA Considerations for DNSSEC 1 RFC
RFC 9364 Feb 2023 DNS Security Extensions (DNSSEC) 1 RFC
RFC 9371 Mar 2023 Registration Procedures for Private Enterprise Numbers (PENs)
RFC 9476 Sep 2023 The .alt Special-Use Top-Level Domain 1 RFC
RFC 9499 Mar 2024 DNS Terminology 1 RFC
RFC 9539 Feb 2024 Unilateral Opportunistic Deployment of Encrypted Recursive-to-Authoritative DNS
RFC 9609 Feb 2025 Initializing a DNS Resolver with Priming Queries
RFC 9718 Jan 2025 DNSSEC Trust Anchor Publication for the Root Zone
RFC 9720 Jan 2025 RFC Formats and Versions 2 RFCs
RFC 9839 Aug 2025 Unicode Character Repertoire Subsets
RFC 9920 Feb 2026 RFC Editor Model (Version 3)

Active Internet-Drafts (5)

Expired Internet-Drafts (154)

(Excluding replaced Internet-Drafts.)

Internet-Draft Activity