| 2046 | Multipurpose Internet Mail Extensions (MIME) Part Two: Media TypesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2585 | Internet X.509 Public Key Infrastructure Operational Protocols: FTP and HTTPR. Housley, P. Hoffman | Proposed Standard | May 1999 |
| 2818 | HTTP Over TLSE. Rescorla · obsoleted by RFC 9110 | Informational | May 2000 |
| 2985 | PKCS #9: Selected Object Classes and Attribute Types Version 2.0M. Nystrom, B. Kaliski | Informational | November 2000 |
| 3370 | Cryptographic Message Syntax (CMS) AlgorithmsR. Housley | Proposed Standard | September 2002 |
| 3394 | Advanced Encryption Standard (AES) Key Wrap AlgorithmJ. Schaad, R. Housley | Informational | October 2002 |
| 3688 | The IETF XML RegistryM. Mealling | Best Current Practice | January 2004 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 4073 | Protecting Multiple Contents with the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | May 2005 |
| 4086 | Randomness Requirements for SecurityD. Eastlake 3rd, J. Schiller, S. Crocker | Best Current Practice | June 2005 |
| 4108 | Using Cryptographic Message Syntax (CMS) to Protect Firmware PackagesR. Housley | Proposed Standard | August 2005 |
| 4514 | Lightweight Directory Access Protocol (LDAP): String Representation of Distinguished NamesK. Zeilenga, Ed. | Proposed Standard | June 2006 |
| 4949 | Internet Security Glossary, Version 2R. Shirey | Informational | August 2007 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |
| 5272 | Certificate Management over CMS (CMC)J. Schaad, M. Myers · obsoleted by RFC 10002 | Proposed Standard | June 2008 |
| 5273 | Certificate Management over CMS (CMC): Transport ProtocolsJ. Schaad, M. Myers · obsoleted by RFC 10003 | Proposed Standard | June 2008 |
| 5274 | Certificate Management Messages over CMS (CMC): Compliance RequirementsJ. Schaad, M. Myers · obsoleted by RFC 10004 | Proposed Standard | June 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 |
| 5649 | Advanced Encryption Standard (AES) Key Wrap with Padding AlgorithmR. Housley, M. Dworkin | Informational | September 2009 |
| 5652 | Cryptographic Message Syntax (CMS)R. Housley | Internet Standard | September 2009 |
| 5751 | Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Message SpecificationB. Ramsdell, S. Turner · obsoleted by RFC 8551 | Proposed Standard | January 2010 |
| 5753 | Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS)S. Turner, D. Brown | Informational | January 2010 |
| 5754 | Using SHA2 Algorithms with Cryptographic Message SyntaxS. Turner | Proposed Standard | January 2010 |
| 5934 | Trust Anchor Management Protocol (TAMP)R. Housley, S. Ashmore, C. Wallace | Proposed Standard | August 2010 |
| 5958 | Asymmetric Key PackagesS. Turner | Proposed Standard | August 2010 |
| 5959 | Algorithms for Asymmetric Key Package Content TypeS. Turner | Proposed Standard | August 2010 |
| 5967 | The application/pkcs10 Media TypeS. Turner | Informational | August 2010 |
| 6010 | Cryptographic Message Syntax (CMS) Content Constraints ExtensionR. Housley, S. Ashmore, C. Wallace | Proposed Standard | September 2010 |
| 6031 | Cryptographic Message Syntax (CMS) Symmetric Key Package Content TypeS. Turner, R. Housley | Proposed Standard | December 2010 |
| 6032 | Cryptographic Message Syntax (CMS) Encrypted Key Package Content TypeS. Turner, R. Housley | Proposed Standard | December 2010 |
| 6033 | Algorithms for Cryptographic Message Syntax (CMS) Encrypted Key Package Content TypeS. Turner | Proposed Standard | December 2010 |
| 6160 | Algorithms for Cryptographic Message Syntax (CMS) Protection of Symmetric Key Package Content TypesS. Turner | Proposed Standard | April 2011 |
| 6161 | Elliptic Curve Algorithms for Cryptographic Message Syntax (CMS) Encrypted Key Package Content TypeS. Turner | Proposed Standard | April 2011 |
| 6162 | Elliptic Curve Algorithms for Cryptographic Message Syntax (CMS) Asymmetric Key Package Content TypeS. Turner | Proposed Standard | April 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 |
| 6402 | Certificate Management over CMS (CMC) UpdatesJ. Schaad · obsoleted by RFC 10002, RFC 10003, RFC 10004 | Proposed Standard | November 2011 |
| 7030 | Enrollment over Secure TransportM. Pritikin, Ed., P. Yee, Ed., D. Harkins, Ed. | Proposed Standard | October 2013 |
| 7191 | Cryptographic Message Syntax (CMS) Key Package Receipt and Error Content TypesR. Housley | Proposed Standard | April 2014 |
| 7192 | Algorithms for Cryptographic Message Syntax (CMS) Key Package Receipt and Error Content TypesS. Turner | Proposed Standard | April 2014 |
| 7193 | The application/cms Media TypeS. Turner, R. Housley, J. Schaad | Informational | April 2014 |
| 7230 | Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and RoutingR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110, RFC 9112 | Proposed Standard | June 2014 |
| 7231 | Hypertext Transfer Protocol (HTTP/1.1): Semantics and ContentR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7292 | PKCS #12: Personal Information Exchange Syntax v1.1K. Moriarty, Ed., M. Nystrom, S. Parkinson, A. Rusch, M. Scott | Informational | July 2014 |
| 7303 | XML Media TypesH. Thompson, C. Lilley | Proposed Standard | July 2014 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 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 |
| 8259 | The JavaScript Object Notation (JSON) Data Interchange FormatT. Bray, Ed. | Internet Standard | December 2017 |