RFC 6238: TOTP: Time-Based One-Time Password Algorithm

This document describes an extension of the One-Time Password (OTP) algorithm, namely the HMAC-based One-Time Password (HOTP) algorithm, as defined in RFC…

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Outgoing relationships (7 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 2104: HMAC: Keyed-Hashing for Message Authentication
Normative reference — RFC 4086: Randomness Requirements for Security
Normative reference — RFC 4226: HOTP: An HMAC-Based One-Time Password Algorithm
Informative reference — RFC 5246: The Transport Layer Security (TLS) Protocol Version 1.2
Informative reference — RFC 4301: Security Architecture for the Internet Protocol
Informative reference — RFC 6030: Portable Symmetric Key Container (PSKC)

Incoming relationships (2 related RFCs)

Informatively referenced by — RFC 7894: Alternative Challenge Password Attributes for Enrollment over Secure Transport
Informatively referenced by — RFC 8176: Authentication Method Reference Values