| 10082 | Composite Module-Lattice-Based Digital Signature Algorithm (ML-DSA) for Use in the Cryptographic Message Syntax (CMS)M. Ounsworth, J. Gray, J. Klaußner, D. Van Geest | Proposed Standard | November 2026 |
| 10004 | Certificate Management over CMS (CMC): Compliance RequirementsJ. Mandel, Ed., S. Turner, Ed. | Proposed Standard | July 2026 |
| 9919 | The Lightweight Online Certificate Status Protocol (OCSP) Profile for High-Volume EnvironmentsT. Ito, C. Wilson, C. Bonnell, S. Turner | Proposed Standard | July 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 |
| 9481 | Certificate Management Protocol (CMP) AlgorithmsH. Brockhaus, H. Aschauer, M. Ounsworth, J. Gray | Proposed Standard | November 2023 |
| 8756 | Commercial National Security Algorithm (CNSA) Suite Profile of Certificate Management over CMSM. Jenkins, L. Zieglar | Informational | March 2020 |
| 8755 | Using Commercial National Security Algorithm Suite Algorithms in Secure/Multipurpose Internet Mail ExtensionsM. Jenkins | Informational | March 2020 |
| 8591 | SIP-Based Messaging with S/MIMEB. Campbell, R. Housley | 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 |
| 8295 | EST (Enrollment over Secure Transport) ExtensionsS. Turner | Proposed Standard | January 2018 |
| 8162 | Using Secure DNS to Associate Certificates with Domain Names for S/MIMEP. Hoffman, J. Schlyter | Experimental | May 2017 |
| 7935 | The Profile for Algorithms and Key Sizes for Use in the Resource Public Key InfrastructureG. Huston, G. Michaelson, Ed. | Proposed Standard | August 2016 |
| 7929 | DNS-Based Authentication of Named Entities (DANE) Bindings for OpenPGPP. Wouters | Experimental | August 2016 |
| 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 |
| 7069 | DECoupled Application Data Enroute (DECADE)R. Alimi, A. Rahman, D. Kutscher, Y. Yang, H. Song, K. Pentikousis | Informational | November 2013 |
| 6485 | The Profile for Algorithms and Key Sizes for Use in the Resource Public Key Infrastructure (RPKI)G. Huston · obsoleted by RFC 7935 | Proposed Standard | February 2012 |
| 6403 | Suite B Profile of Certificate Management over CMSL. Zieglar, S. Turner, M. Peck | Historic | November 2011 |
| 6318 | Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)R. Housley, J. Solinas | Historic | June 2011 |
| 6160 | Algorithms for Cryptographic Message Syntax (CMS) Protection of Symmetric Key Package Content TypesS. Turner | Proposed Standard | April 2011 |
| 6072 | Certificate Management Service for the Session Initiation Protocol (SIP)C. Jennings, J. Fischl, Ed. | Proposed Standard | February 2011 |
| 6033 | Algorithms for Cryptographic Message Syntax (CMS) Encrypted Key Package Content TypeS. Turner | Proposed Standard | December 2010 |
| 5959 | Algorithms for Asymmetric Key Package Content TypeS. Turner | Proposed Standard | August 2010 |
| 5934 | Trust Anchor Management Protocol (TAMP)R. Housley, S. Ashmore, C. Wallace | Proposed Standard | August 2010 |
| 5753 | Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS)S. Turner, D. Brown | Informational | 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 |