| 10004 | Certificate Management over CMS (CMC): Compliance RequirementsJ. Mandel, Ed., S. Turner, Ed. | Proposed Standard | July 2026 |
| 10002 | Certificate Management over CMS (CMC)J. Mandel, Ed., S. Turner, Ed. | Proposed Standard | July 2026 |
| 9977 | Publishing End-Site Prefix LengthsO. Gasser, R. Bush, M. Candela, R. Housley | Proposed Standard | May 2026 |
| 9958 | Post-Quantum Cryptography for EngineersA. Banerjee, T. Reddy.K, D. Schoinianakis, T. Hollebeek, M. Ounsworth | Informational | June 2026 |
| 9939 | PKCS #8: Private-Key Information Content TypesJ. Mandel, R. Housley, S. Turner | Proposed Standard | February 2026 |
| 9936 | Use of ML-KEM in the Cryptographic Message Syntax (CMS)J. Prat, M. Ounsworth, D. Van Geest | Proposed Standard | March 2026 |
| 9930 | Tunnel Extensible Authentication Protocol (TEAP) Version 1A. DeKok, Ed. | Proposed Standard | February 2026 |
| 9921 | CBOR Object Signing and Encryption (COSE) Header Parameter for Timestamp Tokens as Defined in RFC 3161H. Birkholz, T. Fossati, M. Riechert | Proposed Standard | February 2026 |
| 9882 | Use of the ML-DSA Signature Algorithm in the Cryptographic Message Syntax (CMS)B. Salter, A. Raine, D. Van Geest | Proposed Standard | October 2025 |
| 9814 | Use of the SLH-DSA Signature Algorithm in the Cryptographic Message Syntax (CMS)R. Housley, S. Fluhrer, P. Kampanakis, B. Westerbaan | Proposed Standard | July 2025 |
| 9810 | Internet X.509 Public Key Infrastructure -- Certificate Management Protocol (CMP)H. Brockhaus, D. von Oheimb, M. Ounsworth, J. Gray | Proposed Standard | July 2025 |
| 9788 | Header Protection for Cryptographically Protected EmailD. K. Gillmor, B. Hoeneisen, A. Melnikov | Proposed Standard | August 2025 |
| 9763 | Related Certificates for Use in Multiple Authentications within a ProtocolA. Becker, R. Guthrie, M. Jenkins | Proposed Standard | June 2025 |
| 9733 | BRSKI with Alternative Enrollment (BRSKI-AE)D. von Oheimb, Ed., S. Fries, H. Brockhaus | Proposed Standard | March 2025 |
| 9718 | DNSSEC Trust Anchor Publication for the Root ZoneJ. Abley, J. Schlyter, G. Bailey, P. Hoffman | Informational | January 2025 |
| 9709 | Encryption Key Derivation in the Cryptographic Message Syntax (CMS) Using HKDF with SHA-256R. Housley | Proposed Standard | January 2025 |
| 9708 | Use of the HSS/LMS Hash-Based Signature Algorithm in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | January 2025 |
| 9691 | A Profile for Resource Public Key Infrastructure (RPKI) Trust Anchor Keys (TAKs)C. Martinez, G. Michaelson, T. Harrison, T. Bruijnzeels, R. Austein | Proposed Standard | December 2024 |
| 9690 | Use of the RSA-KEM Algorithm in the Cryptographic Message Syntax (CMS)R. Housley, S. Turner | Proposed Standard | February 2025 |
| 9688 | Use of the SHA3 One-Way Hash Functions in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | November 2024 |
| 9675 | Delay-Tolerant Networking Management Architecture (DTNMA)E. Birrane, III, S. Heiner, E. Annis | Informational | November 2024 |
| 9640 | YANG Data Types and Groupings for CryptographyK. Watsen | Proposed Standard | October 2024 |
| 9632 | Finding and Using Geofeed DataR. Bush, M. Candela, W. Kumari, R. Housley | Proposed Standard | August 2024 |
| 9629 | Using Key Encapsulation Mechanism (KEM) Algorithms in the Cryptographic Message Syntax (CMS)R. Housley, J. Gray, T. Okubo | Proposed Standard | August 2024 |
| 9589 | On the Use of the Cryptographic Message Syntax (CMS) Signing-Time Attribute in Resource Public Key Infrastructure (RPKI) Signed ObjectsJ. Snijders, T. Harrison | Proposed Standard | May 2024 |
| 9582 | A Profile for Route Origin Authorizations (ROAs)J. Snijders, B. Maddison, M. Lepinski, D. Kong, S. Kent | Proposed Standard | May 2024 |
| 9548 | Generating Transport Key Containers (PFX) Using the GOST AlgorithmsE. Karelina, Ed. | Informational | May 2024 |
| 9483 | Lightweight Certificate Management Protocol (CMP) ProfileH. Brockhaus, D. von Oheimb, S. Fries | Proposed Standard | November 2023 |
| 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 |
| 9459 | CBOR Object Signing and Encryption (COSE): AES-CTR and AES-CBCR. Housley, H. Tschofenig | Proposed Standard | September 2023 |
| 9323 | A Profile for RPKI Signed Checklists (RSCs)J. Snijders, T. Harrison, B. Maddison | Proposed Standard | November 2022 |
| 9321 | Signature Validation TokenS. Santesson, R. Housley | Informational | October 2022 |
| 9286 | Manifests for the Resource Public Key Infrastructure (RPKI)R. Austein, G. Huston, S. Kent, M. Lepinski | Proposed Standard | June 2022 |
| 9215 | Using GOST R 34.10-2012 and GOST R 34.11-2012 Algorithms with the Internet X.509 Public Key InfrastructureD. Baryshkov, Ed., V. Nikolaev, A. Chelpanov | Informational | March 2022 |
| 9162 | Certificate Transparency Version 2.0B. Laurie, E. Messeri, R. Stradling | Experimental | December 2021 |
| 9152 | Secure Object Delivery Protocol (SODP) Server Interfaces: NSA's Profile for Delivery of Certificates, Certificate Revocation Lists (CRLs), and Symmetric Keys to ClientsM. Jenkins, S. Turner | Informational | April 2022 |
| 9092 | Finding and Using Geofeed DataR. Bush, M. Candela, W. Kumari, R. Housley · obsoleted by RFC 9632 | Proposed Standard | July 2021 |
| 9054 | CBOR Object Signing and Encryption (COSE): Hash AlgorithmsJ. Schaad | Informational | August 2022 |
| 9052 | CBOR Object Signing and Encryption (COSE): Structures and ProcessJ. Schaad | Internet Standard | August 2022 |
| 9044 | Using the AES-GMAC Algorithm with the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | June 2021 |
| 8995 | Bootstrapping Remote Secure Key Infrastructure (BRSKI)M. Pritikin, M. Richardson, T. Eckert, M. Behringer, K. Watsen | Proposed Standard | May 2021 |
| 8933 | Update to the Cryptographic Message Syntax (CMS) for Algorithm Identifier ProtectionR. Housley | Proposed Standard | October 2020 |
| 8894 | Simple Certificate Enrolment ProtocolP. Gutmann | Informational | September 2020 |
| 8769 | Cryptographic Message Syntax (CMS) Content Types for Concise Binary Object Representation (CBOR)J. Schaad | Informational | March 2020 |
| 8755 | Using Commercial National Security Algorithm Suite Algorithms in Secure/Multipurpose Internet Mail ExtensionsM. Jenkins | Informational | March 2020 |
| 8708 | Use of the HSS/LMS Hash-Based Signature Algorithm in the Cryptographic Message Syntax (CMS)R. Housley · obsoleted by RFC 9708 | Proposed Standard | February 2020 |
| 8702 | Use of the SHAKE One-Way Hash Functions in the Cryptographic Message Syntax (CMS)P. Kampanakis, Q. Dang | Proposed Standard | January 2020 |
| 8696 | Using Pre-Shared Key (PSK) in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | December 2019 |
| 8645 | Re-keying Mechanisms for Symmetric KeysS. Smyshlyaev, Ed. | Informational | August 2019 |
| 8636 | Public Key Cryptography for Initial Authentication in Kerberos (PKINIT) Algorithm AgilityL. Hornquist Astrand, L. Zhu, M. Cullen, G. Hudson | Proposed Standard | July 2019 |
| 8635 | Router Keying for BGPsecR. Bush, S. Turner, K. Patel | Proposed Standard | August 2019 |
| 8619 | Algorithm Identifiers for the HMAC-based Extract-and-Expand Key Derivation Function (HKDF)R. Housley | Proposed Standard | June 2019 |
| 8591 | SIP-Based Messaging with S/MIMEB. Campbell, R. Housley | Proposed Standard | April 2019 |
| 8576 | Internet of Things (IoT) Security: State of the Art and ChallengesO. Garcia-Morchon, S. Kumar, M. Sethi | Informational | April 2019 |
| 8572 | Secure Zero Touch Provisioning (SZTP)K. Watsen, I. Farrer, M. Abrahamsson | Proposed Standard | April 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 |
| 8520 | Manufacturer Usage Description SpecificationE. Lear, R. Droms, D. Romascanu | Proposed Standard | March 2019 |
| 8419 | Use of Edwards-Curve Digital Signature Algorithm (EdDSA) Signatures in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | August 2018 |
| 8418 | Use of the Elliptic Curve Diffie-Hellman Key Agreement Algorithm with X25519 and X448 in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | August 2018 |
| 8366 | A Voucher Artifact for Bootstrapping ProtocolsK. Watsen, M. Richardson, M. Pritikin, T. Eckert | Proposed Standard | May 2018 |
| 8358 | Update to Digital Signatures on Internet-Draft DocumentsR. Housley | Informational | March 2018 |
| 8295 | EST (Enrollment over Secure Transport) ExtensionsS. Turner | Proposed Standard | January 2018 |
| 8216 | HTTP Live StreamingR. Pantos, Ed., W. May | Informational | August 2017 |
| 8211 | Adverse Actions by a Certification Authority (CA) or Repository Manager in the Resource Public Key Infrastructure (RPKI)S. Kent, D. Ma | Informational | September 2017 |
| 8188 | Encrypted Content-Encoding for HTTPM. Thomson | Proposed Standard | June 2017 |
| 8183 | An Out-of-Band Setup Protocol for Resource Public Key Infrastructure (RPKI) Production ServicesR. Austein | Proposed Standard | July 2017 |
| 8181 | A Publication Protocol for the Resource Public Key Infrastructure (RPKI)S. Weiler, A. Sonalker, R. Austein | Proposed Standard | July 2017 |
| 8152 | CBOR Object Signing and Encryption (COSE)J. Schaad · obsoleted by RFC 9052, RFC 9053 | Proposed Standard | July 2017 |
| 8103 | Using ChaCha20-Poly1305 Authenticated Encryption in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | February 2017 |
| 8085 | UDP Usage GuidelinesL. Eggert, G. Fairhurst, G. Shepherd | Best Current Practice | March 2017 |
| 8062 | Anonymity Support for KerberosL. Zhu, P. Leach, S. Hartman, S. Emery, Ed. | Proposed Standard | February 2017 |
| 8018 | PKCS #5: Password-Based Cryptography Specification Version 2.1K. Moriarty, Ed., B. Kaliski, A. Rusch | Informational | January 2017 |
| 8017 | PKCS #1: RSA Cryptography Specifications Version 2.2K. Moriarty, Ed., B. Kaliski, J. Jonsson, A. Rusch | Informational | November 2016 |
| 7958 | DNSSEC Trust Anchor Publication for the Root ZoneJ. Abley, J. Schlyter, G. Bailey, P. Hoffman · obsoleted by RFC 9718 | Informational | August 2016 |
| 7935 | The Profile for Algorithms and Key Sizes for Use in the Resource Public Key InfrastructureG. Huston, G. Michaelson, Ed. | Proposed Standard | August 2016 |
| 7906 | NSA's Cryptographic Message Syntax (CMS) Key Management AttributesP. Timmel, R. Housley, S. Turner | Informational | June 2016 |
| 7696 | Guidelines for Cryptographic Algorithm Agility and Selecting Mandatory-to-Implement AlgorithmsR. Housley | Best Current Practice | November 2015 |
| 7518 | JSON Web Algorithms (JWA)M. Jones | Proposed Standard | May 2015 |
| 7516 | JSON Web Encryption (JWE)M. Jones, J. Hildebrand | Proposed Standard | May 2015 |
| 7508 | Securing Header Fields with S/MIMEL. Cailleux, C. Bonatti | Experimental | April 2015 |
| 7468 | Textual Encodings of PKIX, PKCS, and CMS StructuresS. Josefsson, S. Leonard | Proposed Standard | April 2015 |
| 7281 | Authentication-Results Registration for S/MIME Signature VerificationA. Melnikov | Informational | June 2014 |
| 7197 | Duplication Delay Attribute in the Session Description ProtocolA. Begen, Y. Cai, H. Ou | Proposed Standard | April 2014 |
| 7193 | The application/cms Media TypeS. Turner, R. Housley, J. Schaad | Informational | April 2014 |
| 7192 | Algorithms for Cryptographic Message Syntax (CMS) Key Package Receipt and Error Content TypesS. Turner | Proposed Standard | April 2014 |
| 7191 | Cryptographic Message Syntax (CMS) Key Package Receipt and Error Content TypesR. Housley | Proposed Standard | April 2014 |
| 7170 | Tunnel Extensible Authentication Protocol (TEAP) Version 1H. Zhou, N. Cam-Winget, J. Salowey, S. Hanna · obsoleted by RFC 9930 | Proposed Standard | May 2014 |
| 7165 | Use Cases and Requirements for JSON Object Signing and Encryption (JOSE)R. Barnes | Informational | April 2014 |
| 7104 | Duplication Grouping Semantics in the Session Description ProtocolA. Begen, Y. Cai, H. Ou | Proposed Standard | January 2014 |
| 7030 | Enrollment over Secure TransportM. Pritikin, Ed., P. Yee, Ed., D. Harkins, Ed. | Proposed Standard | October 2013 |
| 6979 | Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA)T. Pornin | Informational | August 2013 |
| 6896 | SCS: KoanLogic's Secure Cookie Sessions for HTTPS. Barbato, S. Dorigotti, T. Fossati, Ed. | Informational | March 2013 |
| 6837 | NERD: A Not-so-novel Endpoint ID (EID) to Routing Locator (RLOC) DatabaseE. Lear | Experimental | January 2013 |
| 6492 | A Protocol for Provisioning Resource CertificatesG. Huston, R. Loomans, B. Ellacott, R. Austein | Proposed Standard | February 2012 |
| 6488 | Signed Object Template for the Resource Public Key Infrastructure (RPKI)M. Lepinski, A. Chi, S. Kent | Proposed Standard | February 2012 |
| 6482 | A Profile for Route Origin Authorizations (ROAs)M. Lepinski, S. Kent, D. Kong · obsoleted by RFC 9582 | Proposed Standard | February 2012 |
| 6480 | An Infrastructure to Support Secure Internet RoutingM. Lepinski, S. Kent | Informational | February 2012 |
| 6477 | Registration of Military Message Handling System (MMHS) Header Fields for Use in Internet MailA. Melnikov, G. Lunt | Informational | January 2012 |
| 6476 | Using Message Authentication Code (MAC) Encryption in the Cryptographic Message Syntax (CMS)P. Gutmann | Proposed Standard | January 2012 |
| 6402 | Certificate Management over CMS (CMC) UpdatesJ. Schaad · obsoleted by RFC 10002, RFC 10003, RFC 10004 | Proposed Standard | November 2011 |
| 6318 | Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)R. Housley, J. Solinas | Historic | June 2011 |
| 6284 | Port Mapping between Unicast and Multicast RTP SessionsA. Begen, D. Wing, T. Van Caenegem | Proposed Standard | June 2011 |
| 6283 | Extensible Markup Language Evidence Record Syntax (XMLERS)A. Jerman Blazic, S. Saljic, T. Gondrom | Proposed Standard | July 2011 |
| 6278 | Use of Static-Static Elliptic Curve Diffie-Hellman Key Agreement in Cryptographic Message SyntaxJ. Herzog, R. Khazan | Informational | June 2011 |
| 6272 | Internet Protocols for the Smart GridF. Baker, D. Meyer | Informational | June 2011 |
| 6268 | Additional New ASN.1 Modules for the Cryptographic Message Syntax (CMS) and the Public Key Infrastructure Using X.509 (PKIX)J. Schaad, S. Turner | Informational | July 2011 |
| 6257 | Bundle Security Protocol SpecificationS. Symington, S. Farrell, H. Weiss, P. Lovell | Experimental | May 2011 |
| 6216 | Example Call Flows Using Session Initiation Protocol (SIP) Security MechanismsC. Jennings, K. Ono, R. Sparks, B. Hibbard, Ed. | Informational | April 2011 |
| 6211 | Cryptographic Message Syntax (CMS) Algorithm Identifier Protection AttributeJ. Schaad | Proposed Standard | April 2011 |
| 6210 | Experiment: Hash Functions with Parameters in the Cryptographic Message Syntax (CMS) and S/MIMEJ. Schaad | Experimental | April 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 |
| 6160 | Algorithms for Cryptographic Message Syntax (CMS) Protection of Symmetric Key Package Content TypesS. Turner | Proposed Standard | April 2011 |
| 6149 | MD2 to Historic StatusS. Turner, L. Chen | Informational | March 2011 |
| 6128 | RTP Control Protocol (RTCP) Port for Source-Specific Multicast (SSM) SessionsA. Begen | Proposed Standard | February 2011 |
| 6112 | Anonymity Support for KerberosL. Zhu, P. Leach, S. Hartman · obsoleted by RFC 8062 | Historic | April 2011 |
| 6109 | La Posta Elettronica Certificata - Italian Certified Electronic MailC. Petrucci, F. Gennai, A. Shahin, A. Vinciarelli | Informational | April 2011 |
| 6033 | Algorithms for Cryptographic Message Syntax (CMS) Encrypted Key Package Content TypeS. Turner | Proposed Standard | December 2010 |
| 6032 | Cryptographic Message Syntax (CMS) Encrypted Key Package Content TypeS. Turner, R. Housley | Proposed Standard | December 2010 |
| 6031 | Cryptographic Message Syntax (CMS) Symmetric Key Package Content TypeS. Turner, R. Housley | Proposed Standard | December 2010 |
| 6025 | ASN.1 TranslationC. Wallace, C. Gardiner | Informational | October 2010 |
| 6024 | Trust Anchor Management RequirementsR. Reddy, C. Wallace | Informational | October 2010 |
| 6019 | BinaryTime: An Alternate Format for Representing Date and Time in ASN.1R. Housley | Proposed Standard | September 2010 |
| 6010 | Cryptographic Message Syntax (CMS) Content Constraints ExtensionR. Housley, S. Ashmore, C. Wallace | Proposed Standard | September 2010 |
| 5990 | Use of the RSA-KEM Key Transport Algorithm in the Cryptographic Message Syntax (CMS)J. Randall, B. Kaliski, J. Brainard, S. Turner · obsoleted by RFC 9690 | Proposed Standard | September 2010 |
| 5981 | Authorization for NSIS Signaling Layer ProtocolsJ. Manner, M. Stiemerling, H. Tschofenig, R. Bless, Ed. | Experimental | February 2011 |
| 5959 | Algorithms for Asymmetric Key Package Content TypeS. Turner | Proposed Standard | August 2010 |
| 5958 | Asymmetric Key PackagesS. Turner | Proposed Standard | August 2010 |
| 5934 | Trust Anchor Management Protocol (TAMP)R. Housley, S. Ashmore, C. Wallace | Proposed Standard | August 2010 |
| 5914 | Trust Anchor FormatR. Housley, S. Ashmore, C. Wallace | Proposed Standard | June 2010 |
| 5911 | New ASN.1 Modules for Cryptographic Message Syntax (CMS) and S/MIMEP. Hoffman, J. Schaad | Informational | June 2010 |
| 5816 | ESSCertIDv2 Update for RFC 3161S. Santesson, N. Pope | Proposed Standard | April 2010 |
| 5755 | An Internet Attribute Certificate Profile for AuthorizationS. Farrell, R. Housley, S. Turner | Proposed Standard | January 2010 |
| 5754 | Using SHA2 Algorithms with Cryptographic Message SyntaxS. Turner | Proposed Standard | January 2010 |
| 5752 | Multiple Signatures in Cryptographic Message Syntax (CMS)S. Turner, J. Schaad | Proposed Standard | January 2010 |
| 5751 | Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Message SpecificationB. Ramsdell, S. Turner · obsoleted by RFC 8551 | Proposed Standard | January 2010 |
| 5750 | Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Certificate HandlingB. Ramsdell, S. Turner · obsoleted by RFC 8550 | Proposed Standard | January 2010 |
| 5698 | Data Structure for the Security Suitability of Cryptographic Algorithms (DSSC)T. Kunz, S. Okunick, U. Pordesch | Proposed Standard | November 2009 |
| 5544 | Syntax for Binding Documents with Time-StampsA. Santoni | Informational | February 2010 |