| 8351 | The PKCS #8 EncryptedPrivateKeyInfo Media TypeS. Leonard | Informational | June 2018 |
| 8018 | PKCS #5: Password-Based Cryptography Specification Version 2.1K. Moriarty, Ed., B. Kaliski, A. Rusch | Informational | January 2017 |
| 8009 | AES Encryption with HMAC-SHA2 for Kerberos 5M. Jenkins, M. Peck, K. Burgin | Informational | October 2016 |
| 7914 | The scrypt Password-Based Key Derivation FunctionC. Percival, S. Josefsson | Informational | August 2016 |
| 7804 | Salted Challenge Response HTTP Authentication MechanismA. Melnikov | Experimental | March 2016 |
| 7717 | IKEv2-Derived Shared Secret Key for the One-Way Active Measurement Protocol (OWAMP) and Two-Way Active Measurement Protocol (TWAMP)K. Pentikousis, Ed., E. Zhang, Y. Cui | Proposed Standard | December 2015 |
| 7518 | JSON Web Algorithms (JWA)M. Jones | Proposed Standard | May 2015 |
| 7401 | Host Identity Protocol Version 2 (HIPv2)R. Moskowitz, Ed., T. Heer, P. Jokela, T. Henderson | Proposed Standard | April 2015 |
| 7292 | PKCS #12: Personal Information Exchange Syntax v1.1K. Moriarty, Ed., M. Nystrom, S. Parkinson, A. Rusch, M. Scott | Informational | July 2014 |
| 6476 | Using Message Authentication Code (MAC) Encryption in the Cryptographic Message Syntax (CMS)P. Gutmann | Proposed Standard | January 2012 |
| 6149 | MD2 to Historic StatusS. Turner, L. Chen | Informational | March 2011 |
| 6072 | Certificate Management Service for the Session Initiation Protocol (SIP)C. Jennings, J. Fischl, Ed. | Proposed Standard | February 2011 |
| 6070 | PKCS #5: Password-Based Key Derivation Function 2 (PBKDF2) Test VectorsS. Josefsson | Informational | January 2011 |
| 5959 | Algorithms for Asymmetric Key Package Content TypeS. Turner | Proposed Standard | August 2010 |
| 5869 | HMAC-based Extract-and-Expand Key Derivation Function (HKDF)H. Krawczyk, P. Eronen | Informational | May 2010 |
| 5802 | Salted Challenge Response Authentication Mechanism (SCRAM) SASL and GSS-API MechanismsC. Newman, A. Menon-Sen, A. Melnikov, N. Williams | Proposed Standard | July 2010 |
| 5274 | Certificate Management Messages over CMS (CMC): Compliance RequirementsJ. Schaad, M. Myers · obsoleted by RFC 10004 | Proposed Standard | June 2008 |
| 5201 | Host Identity ProtocolR. Moskowitz, P. Nikander, P. Jokela, Ed., T. Henderson · obsoleted by RFC 7401 | Experimental | April 2008 |
| 5155 | DNS Security (DNSSEC) Hashed Authenticated Denial of ExistenceB. Laurie, G. Sisson, R. Arends, D. Blacka | Proposed Standard | March 2008 |
| 5018 | Connection Establishment in the Binary Floor Control Protocol (BFCP)G. Camarillo | Proposed Standard | September 2007 |
| 4949 | Internet Security Glossary, Version 2R. Shirey | Informational | August 2007 |
| 4793 | The EAP Protected One-Time Password Protocol (EAP-POTP)M. Nystroem | Informational | February 2007 |
| 4764 | The EAP-PSK Protocol: A Pre-Shared Key Extensible Authentication Protocol (EAP) MethodF. Bersani, H. Tschofenig | Experimental | January 2007 |
| 4656 | A One-way Active Measurement Protocol (OWAMP)S. Shalunov, B. Teitelbaum, A. Karp, J. Boote, M. Zekauskas | Proposed Standard | September 2006 |
| 4269 | The SEED Encryption AlgorithmH.J. Lee, S.J. Lee, J.H. Yoon, D.H. Cheon, J.I. Lee | Informational | December 2005 |
| 4009 | The SEED Encryption AlgorithmJ. Park, S. Lee, J. Kim, J. Lee · obsoleted by RFC 4269 | Informational | February 2005 |
| 3962 | Advanced Encryption Standard (AES) Encryption for Kerberos 5K. Raeburn | Proposed Standard | February 2005 |
| 3370 | Cryptographic Message Syntax (CMS) AlgorithmsR. Housley | Proposed Standard | September 2002 |
| 3211 | Password-based Encryption for CMSP. Gutmann · obsoleted by RFC 3369, RFC 3370 | Proposed Standard | December 2001 |
| 3185 | Reuse of CMS Content Encryption KeysS. Farrell, S. Turner | Proposed Standard | October 2001 |