| 10073 | Composite Module-Lattice-Based Digital Signature Algorithm (ML-DSA) for Use in X.509 Public Key InfrastructureM. Ounsworth, J. Gray, M. Pala, J. Klaußner, S. Fluhrer | Proposed Standard | November 2026 |
| 9966 | Bootstrapped TLS Authentication with Proof of KnowledgeO. Friel, D. Harkins | Proposed Standard | May 2026 |
| 9810 | Internet X.509 Public Key Infrastructure -- Certificate Management Protocol (CMP)H. Brockhaus, D. von Oheimb, M. Ounsworth, J. Gray | Proposed Standard | July 2025 |
| 9688 | Use of the SHA3 One-Way Hash Functions in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | November 2024 |
| 9481 | Certificate Management Protocol (CMP) AlgorithmsH. Brockhaus, H. Aschauer, M. Ounsworth, J. Gray | Proposed Standard | November 2023 |
| 9480 | Certificate Management Protocol (CMP) UpdatesH. Brockhaus, D. von Oheimb, J. Gray · obsoleted by RFC 9810, RFC 9811 | Proposed Standard | November 2023 |
| 9383 | SPAKE2+, an Augmented Password-Authenticated Key Exchange (PAKE) ProtocolT. Taubert, C. A. Wood | Informational | September 2023 |
| 9382 | SPAKE2, a Password-Authenticated Key ExchangeW. Ladd | Informational | September 2023 |
| 9053 | CBOR Object Signing and Encryption (COSE): Initial AlgorithmsJ. Schaad | Informational | August 2022 |
| 8813 | Clarifications for Elliptic Curve Cryptography Subject Public Key InformationT. Ito, S. Turner | Proposed Standard | August 2020 |
| 8755 | Using Commercial National Security Algorithm Suite Algorithms in Secure/Multipurpose Internet Mail ExtensionsM. Jenkins | Informational | March 2020 |
| 8702 | Use of the SHAKE One-Way Hash Functions in the Cryptographic Message Syntax (CMS)P. Kampanakis, Q. Dang | Proposed Standard | January 2020 |
| 8692 | Internet X.509 Public Key Infrastructure: Additional Algorithm Identifiers for RSASSA-PSS and ECDSA Using SHAKEsP. Kampanakis, Q. Dang | Proposed Standard | December 2019 |
| 8635 | Router Keying for BGPsecR. Bush, S. Turner, K. Patel | Proposed Standard | August 2019 |
| 8608 | BGPsec Algorithms, Key Formats, and Signature FormatsS. Turner, O. Borchert | Proposed Standard | June 2019 |
| 8603 | Commercial National Security Algorithm (CNSA) Suite Certificate and Certificate Revocation List (CRL) ProfileM. Jenkins, L. Zieglar | Informational | May 2019 |
| 8591 | SIP-Based Messaging with S/MIMEB. Campbell, R. Housley | Proposed Standard | April 2019 |
| 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 |
| 8208 | BGPsec Algorithms, Key Formats, and Signature FormatsS. Turner, O. Borchert · obsoleted by RFC 8608 | Proposed Standard | September 2017 |
| 8152 | CBOR Object Signing and Encryption (COSE)J. Schaad · obsoleted by RFC 9052, RFC 9053 | Proposed Standard | July 2017 |
| 7925 | Transport Layer Security (TLS) / Datagram Transport Layer Security (DTLS) Profiles for the Internet of ThingsH. Tschofenig, Ed., T. Fossati | Proposed Standard | July 2016 |
| 7670 | Generic Raw Public-Key Support for IKEv2T. Kivinen, P. Wouters, H. Tschofenig | Proposed Standard | January 2016 |
| 7427 | Signature Authentication in the Internet Key Exchange Version 2 (IKEv2)T. Kivinen, J. Snyder | Proposed Standard | January 2015 |
| 7299 | Object Identifier Registry for the PKIX Working GroupR. Housley | Informational | July 2014 |
| 7252 | The Constrained Application Protocol (CoAP)Z. Shelby, K. Hartke, C. Bormann | Proposed Standard | June 2014 |
| 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 |
| 7027 | Elliptic Curve Cryptography (ECC) Brainpool Curves for Transport Layer Security (TLS)J. Merkle, M. Lochter | Informational | October 2013 |
| 6664 | S/MIME Capabilities for Public Key DefinitionsJ. Schaad | Informational | July 2012 |
| 6584 | Simple Authentication Schemes for the Asynchronous Layered Coding (ALC) and NACK-Oriented Reliable Multicast (NORM) ProtocolsV. Roca | Proposed Standard | April 2012 |
| 6508 | Sakai-Kasahara Key Encryption (SAKKE)M. Groves | Informational | February 2012 |
| 6507 | Elliptic Curve-Based Certificateless Signatures for Identity-Based Encryption (ECCSI)M. Groves | Informational | February 2012 |
| 6318 | Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)R. Housley, J. Solinas | Historic | June 2011 |
| 6278 | Use of Static-Static Elliptic Curve Diffie-Hellman Key Agreement in Cryptographic Message SyntaxJ. Herzog, R. Khazan | Informational | June 2011 |
| 6187 | X.509v3 Certificates for Secure Shell AuthenticationK. Igoe, D. Stebila | Proposed Standard | March 2011 |
| 6162 | Elliptic Curve Algorithms for Cryptographic Message Syntax (CMS) Asymmetric Key Package Content TypeS. Turner | Proposed Standard | April 2011 |
| 6161 | Elliptic Curve Algorithms for Cryptographic Message Syntax (CMS) Encrypted Key Package Content TypeS. Turner | Proposed Standard | April 2011 |
| 5915 | Elliptic Curve Private Key StructureS. Turner, D. Brown | Informational | June 2010 |
| 5912 | New ASN.1 Modules for the Public Key Infrastructure Using X.509 (PKIX)P. Hoffman, J. Schaad | Informational | June 2010 |
| 5759 | Suite B Certificate and Certificate Revocation List (CRL) ProfileJ. Solinas, L. Zieglar | Historic | January 2010 |
| 5758 | Internet X.509 Public Key Infrastructure: Additional Algorithms and Identifiers for DSA and ECDSAQ. Dang, S. Santesson, K. Moriarty, D. Brown, T. Polk | Proposed Standard | January 2010 |
| 5755 | An Internet Attribute Certificate Profile for AuthorizationS. Farrell, R. Housley, S. Turner | Proposed Standard | January 2010 |
| 5753 | Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS)S. Turner, D. Brown | Informational | January 2010 |
| 5639 | Elliptic Curve Cryptography (ECC) Brainpool Standard Curves and Curve GenerationM. Lochter, J. Merkle | Informational | March 2010 |