| 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 |
| 9581 | Concise Binary Object Representation (CBOR) Tags for Time, Duration, and PeriodC. Bormann, B. Gamari, H. Birkholz | Proposed Standard | August 2024 |
| 9321 | Signature Validation TokenS. Santesson, R. Housley | Informational | October 2022 |
| 8933 | Update to the Cryptographic Message Syntax (CMS) for Algorithm Identifier ProtectionR. Housley | Proposed Standard | October 2020 |
| 7299 | Object Identifier Registry for the PKIX Working GroupR. Housley | Informational | July 2014 |
| 7107 | Object Identifier Registry for the S/MIME Mail Security Working GroupR. Housley | Informational | January 2014 |
| 6283 | Extensible Markup Language Evidence Record Syntax (XMLERS)A. Jerman Blazic, S. Saljic, T. Gondrom | Proposed Standard | July 2011 |
| 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 |
| 5816 | ESSCertIDv2 Update for RFC 3161S. Santesson, N. Pope | Proposed Standard | April 2010 |
| 5544 | Syntax for Binding Documents with Time-StampsA. Santoni | Informational | February 2010 |
| 5485 | Digital Signatures on Internet-Draft DocumentsR. Housley | Informational | March 2009 |
| 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 |
| 5126 | CMS Advanced Electronic Signatures (CAdES)D. Pinkas, N. Pope, J. Ross | Informational | March 2008 |
| 4998 | Evidence Record Syntax (ERS)T. Gondrom, R. Brandner, U. Pordesch | Proposed Standard | August 2007 |
| 4949 | Internet Security Glossary, Version 2R. Shirey | Informational | August 2007 |
| 4810 | Long-Term Archive Service RequirementsC. Wallace, U. Pordesch, R. Brandner | Informational | March 2007 |
| 4535 | GSAKMP: Group Secure Association Key Management ProtocolH. Harney, U. Meth, A. Colegrove, G. Gross | Proposed Standard | June 2006 |
| 4049 | BinaryTime: An Alternate Format for Representing Date and Time in ASN.1R. Housley · obsoleted by RFC 6019 | Experimental | April 2005 |
| 3628 | Policy Requirements for Time-Stamping Authorities (TSAs)D. Pinkas, N. Pope, J. Ross | Informational | November 2003 |
| 3280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileR. Housley, W. Polk, W. Ford, D. Solo · obsoleted by RFC 5280 | Proposed Standard | May 2002 |
| 3126 | Electronic Signature Formats for long term electronic signaturesD. Pinkas, J. Ross, N. Pope · obsoleted by RFC 5126 | Informational | September 2001 |
| 3125 | Electronic Signature PoliciesJ. Ross, D. Pinkas, N. Pope | Experimental | September 2001 |