| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 4279 | Pre-Shared Key Ciphersuites for Transport Layer Security (TLS)P. Eronen, Ed., H. Tschofenig, Ed. | Proposed Standard | December 2005 |
| 5869 | HMAC-based Extract-and-Expand Key Derivation Function (HKDF)H. Krawczyk, P. Eronen | Informational | May 2010 |
| 6347 | Datagram Transport Layer Security Version 1.2E. Rescorla, N. Modadugu · obsoleted by RFC 9147 | Proposed Standard | January 2012 |
| 6655 | AES-CCM Cipher Suites for Transport Layer Security (TLS)D. McGrew, D. Bailey | Proposed Standard | July 2012 |
| 6749 | The OAuth 2.0 Authorization FrameworkD. Hardt, Ed. | Proposed Standard | October 2012 |
| 7250 | Using Raw Public Keys in Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)P. Wouters, Ed., H. Tschofenig, Ed., J. Gilmore, S. Weiler, T. Kivinen | Proposed Standard | June 2014 |
| 7251 | AES-CCM Elliptic Curve Cryptography (ECC) Cipher Suites for TLSD. McGrew, D. Bailey, M. Campagna, R. Dugal | Informational | June 2014 |
| 7252 | The Constrained Application Protocol (CoAP)Z. Shelby, K. Hartke, C. Bormann | Proposed Standard | June 2014 |
| 7662 | OAuth 2.0 Token IntrospectionJ. Richer, Ed. | Proposed Standard | October 2015 |
| 7748 | Elliptic Curves for SecurityA. Langley, M. Hamburg, S. Turner | Informational | January 2016 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7925 | Transport Layer Security (TLS) / Datagram Transport Layer Security (DTLS) Profiles for the Internet of ThingsH. Tschofenig, Ed., T. Fossati | Proposed Standard | July 2016 |
| 8032 | Edwards-Curve Digital Signature Algorithm (EdDSA)S. Josefsson, I. Liusvaara | Informational | January 2017 |
| 8152 | CBOR Object Signing and Encryption (COSE)J. Schaad · obsoleted by RFC 9052, RFC 9053 | Proposed Standard | July 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8392 | CBOR Web Token (CWT)M. Jones, E. Wahlstroem, S. Erdtman, H. Tschofenig | Proposed Standard | May 2018 |
| 8422 | Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer Security (TLS) Versions 1.2 and EarlierY. Nir, S. Josefsson, M. Pegourie-Gonnard · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8610 | Concise Data Definition Language (CDDL): A Notational Convention to Express Concise Binary Object Representation (CBOR) and JSON Data StructuresH. Birkholz, C. Vigano, C. Bormann | Proposed Standard | June 2019 |
| 8747 | Proof-of-Possession Key Semantics for CBOR Web Tokens (CWTs)M. Jones, L. Seitz, G. Selander, S. Erdtman, H. Tschofenig | Proposed Standard | March 2020 |
| 8949 | Concise Binary Object Representation (CBOR)C. Bormann, P. Hoffman | Internet Standard | December 2020 |
| 9147 | The Datagram Transport Layer Security (DTLS) Protocol Version 1.3E. Rescorla, H. Tschofenig, N. Modadugu | Proposed Standard | April 2022 |
| 9200 | Authentication and Authorization for Constrained Environments Using the OAuth 2.0 Framework (ACE-OAuth)L. Seitz, G. Selander, E. Wahlstroem, S. Erdtman, H. Tschofenig | Proposed Standard | August 2022 |
| 9201 | Additional OAuth Parameters for Authentication and Authorization for Constrained Environments (ACE)L. Seitz | Proposed Standard | August 2022 |