2017-04-13 2024-10-04 Expert Review John Bradley, Mike Jones Registration requests should be sent to the mailing list described in . If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. IANA does not monitor the list. face Facial recognition RFC8176, Section 2 fpt Fingerprint biometric RFC8176, Section 2 geo Geolocation RFC8176, Section 2 hwk Proof-of-possession of a hardware-secured key RFC8176, Section 2 iris Iris scan biometric RFC8176, Section 2 kba Knowledge-based authentication RFC8176, Section 2 mca Multiple-channel authentication RFC8176, Section 2 mfa Multiple-factor authentication RFC8176, Section 2 otp One-time password RFC8176, Section 2 pin Personal Identification Number or pattern RFC8176, Section 2 pop Proof-of-possession of a key OpenID Connect Extended Authentication Profile (EAP) ACR Values 1.0 pwd Password-based authentication RFC8176, Section 2 rba Risk-based authentication RFC8176, Section 2 retina Retina scan biometric RFC8176, Section 2 sc Smart card RFC8176, Section 2 sms Confirmation using SMS RFC8176, Section 2 swk Proof-of-possession of a software-secured key RFC8176, Section 2 tel Confirmation by telephone call RFC8176, Section 2 user User presence test RFC8176, Section 2 vbm Voice biometric RFC8176, Section 2 wia Windows integrated authentication RFC8176, Section 2 IESG mailto:iesg&ietf.org OpenID Foundation Enhanced Authentication Profile Working Group mailto:openid-specs-eap&lists.openid.net