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

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)

• Kerberos

• OAuth

• OpenID Connect

• SAML

• U2F

• WebAuthN