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Authentication Factors

taxonomy

Classification Objective

The objective of this classification is to inventory, characterize and compare authentication factors.

TODO

  •  Compile a quick version 1 of the list
  •  Complete it with a literature review
  •  List the key properties to characterize items

Classification

Class

Sub-class

Comments

Sources

Biometric Authentication

Facial Recognition

Fingerprint Scan

Iris Scanner

Voice Identification

Certificate-based Authentication

One-Time Passcode

Email OTP

Physical Token OTP

Software / App OTP

SMS OTP

Jover, 2020

Voice OTP

Password

Security Question

Single Sign-On (SSO)

Token-based Authentication

Session authentication

Standards

  •  Compile a list of authentication standards, even obsolete ones, then map these to the authentication methods
    Password Authentication Protocol (PAP)

  • Challenge Handshake Authentication Protocol (CHAP)

  • Extensible Authentication Protocol (EAP)

  • IP Security (IPSec) 

  • Kerberos

  • OAuth

  • OpenID Connect

  • Password Authentication Protocol (PAP)

  • SAML

  • Shiva PAP (SPAP)

  • U2F

  • WebAuthN