| 9985 | Optimizing Bidirectional Forwarding Detection (BFD) AuthenticationM. Jethanandani, A. Mishra, J. Haas, A. Saxena, M. Bhatia | Experimental | June 2026 |
| 9923 | The FNV Non-Cryptographic Hash AlgorithmL. Noll, K. Vo, D. Eastlake 3rd, T. Hansen | Informational | February 2026 |
| 9879 | Use of Password-Based Message Authentication Code 1 (PBMAC1) in PKCS #12 SyntaxA. Kario | Informational | September 2025 |
| 9690 | Use of the RSA-KEM Algorithm in the Cryptographic Message Syntax (CMS)R. Housley, S. Turner | Proposed Standard | February 2025 |
| 9579 | Use of Password-Based Message Authentication Code 1 (PBMAC1) in PKCS #12 SyntaxH. Kario · obsoleted by RFC 9879 | Informational | May 2024 |
| 9562 | Universally Unique IDentifiers (UUIDs)K. Davis, B. Peabody, P. Leach | Proposed Standard | May 2024 |
| 9530 | Digest FieldsR. Polli, L. Pardue | Proposed Standard | February 2024 |
| 9528 | Ephemeral Diffie-Hellman Over COSE (EDHOC)G. Selander, J. Preuß Mattsson, F. Palombini | Proposed Standard | March 2024 |
| 9415 | On the Generation of Transient Numeric IdentifiersF. Gont, I. Arce | Informational | July 2023 |
| 9231 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd | Proposed Standard | July 2022 |
| 9142 | Key Exchange (KEX) Method Updates and Recommendations for Secure Shell (SSH)M. Baushke | Proposed Standard | January 2022 |
| 9054 | CBOR Object Signing and Encryption (COSE): Hash AlgorithmsJ. Schaad | Informational | August 2022 |
| 9048 | Improved Extensible Authentication Protocol Method for 3GPP Mobile Network Authentication and Key Agreement (EAP-AKA')J. Arkko, V. Lehtovirta, V. Torvinen, P. Eronen | Proposed Standard | October 2021 |
| 9045 | Algorithm Requirements Update to the Internet X.509 Public Key Infrastructure Certificate Request Message Format (CRMF)R. Housley | Proposed Standard | June 2021 |
| 8812 | CBOR Object Signing and Encryption (COSE) and JSON Object Signing and Encryption (JOSE) Registrations for Web Authentication (WebAuthn) AlgorithmsM. Jones | Proposed Standard | August 2020 |
| 8732 | Generic Security Service Application Program Interface (GSS-API) Key Exchange with SHA-2S. Sorce, H. Kario | Proposed Standard | February 2020 |
| 8636 | Public Key Cryptography for Initial Authentication in Kerberos (PKINIT) Algorithm AgilityL. Hornquist Astrand, L. Zhu, M. Cullen, G. Hudson | Proposed Standard | July 2019 |
| 8551 | Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 4.0 Message SpecificationJ. Schaad, B. Ramsdell, S. Turner | Proposed Standard | April 2019 |
| 8550 | Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 4.0 Certificate HandlingJ. Schaad, B. Ramsdell, S. Turner | Proposed Standard | April 2019 |
| 8301 | Cryptographic Algorithm and Key Usage Update to DomainKeys Identified Mail (DKIM)S. Kitterman | Proposed Standard | January 2018 |
| 8269 | The ARIA Algorithm and Its Use with the Secure Real-Time Transport Protocol (SRTP)W. Kim, J. Lee, J. Park, D. Kwon, D. Kim | Informational | October 2017 |
| 8268 | More Modular Exponentiation (MODP) Diffie-Hellman (DH) Key Exchange (KEX) Groups for Secure Shell (SSH)M. Baushke | Proposed Standard | December 2017 |
| 8177 | YANG Data Model for Key ChainsA. Lindem, Ed., Y. Qu, D. Yeung, I. Chen, J. Zhang | Proposed Standard | June 2017 |
| 8018 | PKCS #5: Password-Based Cryptography Specification Version 2.1K. Moriarty, Ed., B. Kaliski, A. Rusch | Informational | January 2017 |
| 7677 | SCRAM-SHA-256 and SCRAM-SHA-256-PLUS Simple Authentication and Security Layer (SASL) MechanismsT. Hansen | Proposed Standard | November 2015 |
| 7574 | Peer-to-Peer Streaming Peer Protocol (PPSPP)A. Bakker, R. Petrocco, V. Grishchenko | Proposed Standard | July 2015 |
| 7298 | Babel Hashed Message Authentication Code (HMAC) Cryptographic AuthenticationD. Ovsienko · obsoleted by RFC 8967 | Experimental | July 2014 |
| 6931 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd · obsoleted by RFC 9231 | Proposed Standard | April 2013 |
| 6896 | SCS: KoanLogic's Secure Cookie Sessions for HTTPS. Barbato, S. Dorigotti, T. Fossati, Ed. | Informational | March 2013 |
| 6668 | SHA-2 Data Integrity Verification for the Secure Shell (SSH) Transport Layer ProtocolD. Bider, M. Baushke | Proposed Standard | July 2012 |
| 6584 | Simple Authentication Schemes for the Asynchronous Layered Coding (ALC) and NACK-Oriented Reliable Multicast (NORM) ProtocolsV. Roca | Proposed Standard | April 2012 |
| 6545 | Real-time Inter-network Defense (RID)K. Moriarty | Proposed Standard | April 2012 |
| 6537 | Host Identity Protocol Distributed Hash Table InterfaceJ. Ahrenholz | Experimental | February 2012 |
| 6275 | Mobility Support in IPv6C. Perkins, Ed., D. Johnson, J. Arkko | Proposed Standard | July 2011 |
| 6234 | US Secure Hash Algorithms (SHA and SHA-based HMAC and HKDF)D. Eastlake 3rd, T. Hansen | Informational | May 2011 |