Cited in: RFC 4226
4 RFCs mentioned in the text of RFC 4226 (HOTP: An HMAC-Based One-Time Password Algorithm)
| RFC | Title | Status | Date |
|---|---|---|---|
| 2104 | HMAC: Keyed-Hashing for Message Authentication | Informational | February 1997 |
| 2119 | Key words for use in RFCs to Indicate Requirement Levels | Best Current Practice | March 1997 |
| 3979 | Intellectual Property Rights in IETF Technology | Best Current Practice | March 2005 |
| 4086 | Randomness Requirements for Security | Best Current Practice | June 2005 |