| 2104 | HMAC: Keyed-Hashing for Message AuthenticationH. Krawczyk, M. Bellare, R. Canetti | Informational | February 1997 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 4086 | Randomness Requirements for SecurityD. Eastlake 3rd, J. Schiller, S. Crocker | Best Current Practice | June 2005 |
| 5869 | HMAC-based Extract-and-Expand Key Derivation Function (HKDF)H. Krawczyk, P. Eronen | Informational | May 2010 |
| 7748 | Elliptic Curves for SecurityA. Langley, M. Hamburg, S. Turner | Informational | January 2016 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7914 | The scrypt Password-Based Key Derivation FunctionC. Percival, S. Josefsson | Informational | August 2016 |
| 8017 | PKCS #1: RSA Cryptography Specifications Version 2.2K. Moriarty, Ed., B. Kaliski, J. Jonsson, A. Rusch | Informational | November 2016 |
| 8018 | PKCS #5: Password-Based Cryptography Specification Version 2.1K. Moriarty, Ed., B. Kaliski, A. Rusch | Informational | January 2017 |
| 8125 | Requirements for Password-Authenticated Key Agreement (PAKE) SchemesJ. Schmidt | Informational | April 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 9106 | Argon2 Memory-Hard Function for Password Hashing and Proof-of-Work ApplicationsA. Biryukov, D. Dinu, D. Khovratovich, S. Josefsson | Informational | September 2021 |
| 9180 | Hybrid Public Key EncryptionR. Barnes, K. Bhargavan, B. Lipp, C. Wood | Informational | February 2022 |
| 9380 | Hashing to Elliptic CurvesA. Faz-Hernandez, S. Scott, N. Sullivan, R. S. Wahby, C. A. Wood | Informational | August 2023 |
| 9496 | The ristretto255 and decaf448 GroupsH. de Valence, J. Grigg, M. Hamburg, I. Lovecruft, G. Tankersley, F. Valsorda | Informational | December 2023 |
| 9497 | Oblivious Pseudorandom Functions (OPRFs) Using Prime-Order GroupsA. Davidson, A. Faz-Hernandez, N. Sullivan, C. A. Wood | Informational | December 2023 |