| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2986 | PKCS #10: Certification Request Syntax Specification Version 1.7M. Nystrom, B. Kaliski | Informational | November 2000 |
| 3279 | Algorithms and Identifiers for the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileL. Bassham, W. Polk, R. Housley | Proposed Standard | May 2002 |
| 3552 | Guidelines for Writing RFC Text on Security ConsiderationsE. Rescorla, B. Korver | Best Current Practice | July 2003 |
| 5116 | An Interface and Algorithms for Authenticated EncryptionD. McGrew | Proposed Standard | January 2008 |
| 5280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileD. Cooper, S. Santesson, S. Farrell, S. Boeyen, R. Housley, W. Polk | Proposed Standard | May 2008 |
| 5869 | HMAC-based Extract-and-Expand Key Derivation Function (HKDF)H. Krawczyk, P. Eronen | Informational | May 2010 |
| 6090 | Fundamental Elliptic Curve Cryptography AlgorithmsD. McGrew, K. Igoe, M. Salter | Informational | February 2011 |
| 6194 | Security Considerations for the SHA-0 and SHA-1 Message-Digest AlgorithmsT. Polk, L. Chen, S. Turner, P. Hoffman | Informational | March 2011 |
| 6960 | X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSPS. Santesson, M. Myers, R. Ankney, A. Malpani, S. Galperin, C. Adams | Proposed Standard | June 2013 |
| 6979 | Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA)T. Pornin | Informational | August 2013 |
| 7228 | Terminology for Constrained-Node NetworksC. Bormann, M. Ersue, A. Keranen | Informational | May 2014 |
| 7252 | The Constrained Application Protocol (CoAP)Z. Shelby, K. Hartke, C. Bormann | Proposed Standard | June 2014 |
| 7258 | Pervasive Monitoring Is an AttackS. Farrell, H. Tschofenig | Best Current Practice | May 2014 |
| 7296 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen | Internet Standard | October 2014 |
| 7624 | Confidentiality in the Face of Pervasive Surveillance: A Threat Model and Problem StatementR. Barnes, B. Schneier, C. Jennings, T. Hardie, B. Trammell, C. Huitema, D. Borkmann | Informational | August 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 |
| 7959 | Block-Wise Transfers in the Constrained Application Protocol (CoAP)C. Bormann, Z. Shelby, Ed. | Proposed Standard | August 2016 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8366 | A Voucher Artifact for Bootstrapping ProtocolsK. Watsen, M. Richardson, M. Pritikin, T. Eckert | Proposed Standard | May 2018 |
| 8376 | Low-Power Wide Area Network (LPWAN) OverviewS. Farrell, Ed. | Informational | May 2018 |
| 8392 | CBOR Web Token (CWT)M. Jones, E. Wahlstroem, S. Erdtman, H. Tschofenig | Proposed Standard | May 2018 |
| 8410 | Algorithm Identifiers for Ed25519, Ed448, X25519, and X448 for Use in the Internet X.509 Public Key InfrastructureS. Josefsson, J. Schaad | 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 |
| 8613 | Object Security for Constrained RESTful Environments (OSCORE)G. Selander, J. Mattsson, F. Palombini, L. Seitz | Proposed Standard | July 2019 |
| 8724 | SCHC: Generic Framework for Static Context Header Compression and FragmentationA. Minaburo, L. Toutain, C. Gomez, D. Barthel, JC. Zuniga | Proposed Standard | April 2020 |
| 8742 | Concise Binary Object Representation (CBOR) SequencesC. Bormann | Proposed Standard | February 2020 |
| 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 |
| 8937 | Randomness Improvements for Security ProtocolsC. Cremers, L. Garratt, S. Smyshlyaev, N. Sullivan, C. Wood | Informational | October 2020 |
| 8949 | Concise Binary Object Representation (CBOR)C. Bormann, P. Hoffman | Internet Standard | December 2020 |
| 9000 | QUIC: A UDP-Based Multiplexed and Secure TransportJ. Iyengar, Ed., M. Thomson, Ed. | Proposed Standard | May 2021 |
| 9052 | CBOR Object Signing and Encryption (COSE): Structures and ProcessJ. Schaad | Internet Standard | August 2022 |
| 9053 | CBOR Object Signing and Encryption (COSE): Initial AlgorithmsJ. Schaad | Informational | August 2022 |
| 9147 | The Datagram Transport Layer Security (DTLS) Protocol Version 1.3E. Rescorla, H. Tschofenig, N. Modadugu | Proposed Standard | April 2022 |
| 9175 | Constrained Application Protocol (CoAP): Echo, Request-Tag, and Token ProcessingC. Amsüss, J. Preuß Mattsson, G. Selander | Proposed Standard | February 2022 |
| 9176 | Constrained RESTful Environments (CoRE) Resource DirectoryC. Amsüss, Ed., Z. Shelby, M. Koster, C. Bormann, P. van der Stok | Proposed Standard | April 2022 |
| 9360 | CBOR Object Signing and Encryption (COSE): Header Parameters for Carrying and Referencing X.509 CertificatesJ. Schaad | Proposed Standard | February 2023 |
| 9397 | Trusted Execution Environment Provisioning (TEEP) ArchitectureM. Pei, H. Tschofenig, D. Thaler, D. Wheeler | Informational | July 2023 |
| 9529 | Traces of Ephemeral Diffie-Hellman Over COSE (EDHOC)G. Selander, J. Preuß Mattsson, M. Serafin, M. Tiloca, M. Vučinić | Informational | March 2024 |