RFC 4226: HOTP: An HMAC-Based One-Time Password Algorithm

This document describes an algorithm to generate one-time password values, based on Hashed Message Authentication Code (HMAC). A security analysis of the…

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Incoming relationships (8 related RFCs)

Normatively referenced by — RFC 6030: Portable Symmetric Key Container (PSKC)
Normatively referenced by — RFC 6238: TOTP: Time-Based One-Time Password Algorithm
Normatively referenced by — RFC 6287: OCRA: OATH Challenge-Response Algorithm
Informatively referenced by — RFC 4449: Securing Mobile IPv6 Route Optimization Using a Static Shared Key
Informatively referenced by — RFC 6150: MD4 to Historic Status
Informatively referenced by — RFC 6560: One-Time Password (OTP) Pre-Authentication
Informatively referenced by — RFC 7894: Alternative Challenge Password Attributes for Enrollment over Secure Transport
Informatively referenced by — RFC 8176: Authentication Method Reference Values