Authentication Method Reference Values
Authentication Method Reference Values
- RFC 8176: Authentication Method Reference Values
Registration requests should be sent to the mailing list described in
RFC 8176. If approved, designated experts should notify IANA within
three weeks. For assistance, please contact iana@iana.org. IANA does not
monitor the list.
| Authentication Method Reference Name |
Authentication Method Reference Description |
Change Controller |
Reference |
| face |
Facial recognition |
IESG |
RFC 8176, Section 2 |
| fpt |
Fingerprint biometric |
IESG |
RFC 8176, Section 2 |
| geo |
Geolocation |
IESG |
RFC 8176, Section 2 |
| hwk |
Proof-of-possession of a hardware-secured key |
IESG |
RFC 8176, Section 2 |
| iris |
Iris scan biometric |
IESG |
RFC 8176, Section 2 |
| kba |
Knowledge-based authentication |
IESG |
RFC 8176, Section 2 |
| mca |
Multiple-channel authentication |
IESG |
RFC 8176, Section 2 |
| mfa |
Multiple-factor authentication |
IESG |
RFC 8176, Section 2 |
| otp |
One-time password |
IESG |
RFC 8176, Section 2 |
| pin |
Personal Identification Number or pattern |
IESG |
RFC 8176, Section 2 |
| pop |
Proof-of-possession of a key |
OpenID Foundation Enhanced Authentication Profile Working Group |
OpenID Connect Extended Authentication Profile (EAP) ACR Values 1.0 |
| pwd |
Password-based authentication |
IESG |
RFC 8176, Section 2 |
| rba |
Risk-based authentication |
IESG |
RFC 8176, Section 2 |
| retina |
Retina scan biometric |
IESG |
RFC 8176, Section 2 |
| sc |
Smart card |
IESG |
RFC 8176, Section 2 |
| sms |
Confirmation using SMS |
IESG |
RFC 8176, Section 2 |
| swk |
Proof-of-possession of a software-secured key |
IESG |
RFC 8176, Section 2 |
| tel |
Confirmation by telephone call |
IESG |
RFC 8176, Section 2 |
| user |
User presence test |
IESG |
RFC 8176, Section 2 |
| vbm |
Voice biometric |
IESG |
RFC 8176, Section 2 |
| wia |
Windows integrated authentication |
IESG |
RFC 8176, Section 2 |
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