Internet Assigned Numbers Authority

                                                        Authentication Method Reference Values

   Created
   2017-04-13

   Last Updated
   2023-05-08

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     • Authentication Method Reference Values

Authentication Method Reference Values

   Registration Procedure(s)

 Expert Review

   Expert(s)

 John Bradley, Michael B. Jones

   Reference
   [RFC8176]

   Note

 Registration requests should be sent to the mailing list described in
 [RFC8176]. If approved, designated experts should notify IANA within
 three weeks. For assistance, please contact iana@iana.org.


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   Authentication Method   Authentication Method                           Change Controller                                   Reference
      Reference Name       Reference Description
   face                  Facial recognition        [IESG]                                                            [RFC8176, Section 2]
   fpt                   Fingerprint biometric     [IESG]                                                            [RFC8176, Section 2]
   geo                   Geolocation               [IESG]                                                            [RFC8176, Section 2]
   hwk                   Proof-of-possession of a  [IESG]                                                            [RFC8176, Section 2]
                         hardware-secured key
   iris                  Iris scan biometric       [IESG]                                                            [RFC8176, Section 2]
   kba                   Knowledge-based           [IESG]                                                            [RFC8176, Section 2]
                         authentication
   mca                   Multiple-channel          [IESG]                                                            [RFC8176, Section 2]
                         authentication
   mfa                   Multiple-factor           [IESG]                                                            [RFC8176, Section 2]
                         authentication
   otp                   One-time password         [IESG]                                                            [RFC8176, Section 2]
   pin                   Personal Identification   [IESG]                                                            [RFC8176, Section 2]
                         Number or pattern
                         Proof-of-possession of a                                                                    [OpenID Connect Extended
   pop                   key                       [OpenID_Foundation_Enhanced_Authentication_Profile_Working_Group] Authentication Profile (EAP)
                                                                                                                     ACR Values 1.0]
   pwd                   Password-based            [IESG]                                                            [RFC8176, Section 2]
                         authentication
   rba                   Risk-based authentication [IESG]                                                            [RFC8176, Section 2]
   retina                Retina scan biometric     [IESG]                                                            [RFC8176, Section 2]
   sc                    Smart card                [IESG]                                                            [RFC8176, Section 2]
   sms                   Confirmation using SMS    [IESG]                                                            [RFC8176, Section 2]
   swk                   Proof-of-possession of a  [IESG]                                                            [RFC8176, Section 2]
                         software-secured key
   tel                   Confirmation by telephone [IESG]                                                            [RFC8176, Section 2]
                         call
   user                  User presence test        [IESG]                                                            [RFC8176, Section 2]
   vbm                   Voice biometric           [IESG]                                                            [RFC8176, Section 2]
   wia                   Windows integrated        [IESG]                                                            [RFC8176, Section 2]
                         authentication

                                                                 Contact Information

                                  ID                                           Name                          Contact URI                   Last
                                                                                                                                          Updated
   [IESG]                                                            IESG                      mailto:iesg&ietf.org
                                                                     OpenID Foundation
   [OpenID_Foundation_Enhanced_Authentication_Profile_Working_Group] Enhanced Authentication   mailto:openid-specs-eap&lists.openid.net
                                                                     Profile Working Group

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