Overview

Protocols used in federated authentication

• OpenID Connect (OIDC)
• Security Assertion Markup Language (SAML)
• OAuth 2.0

Federated authentication

• Single-Sign-On
• OAuth Consent
• Multi-tenancy

Other authentication protocols

• LDAP
• RADIUS

Authentication methods

• Passwords
  • Hash Functions
• Magic link
• Multi-Factor Authentication (MFA)
  • Time based one-time password (TOTP)
  • SMS based one-time password (SMS TAN)
  • Email based one-time password (Email OTP)
• Passkeys

Tokens

• Access Token
• Opaque Tokens
• JWT Tokens
• Javascript Object Signing and Encryption (JOSE)
• Assertion

Authorization

• Role Based Access Management (RBAC)
• Attribute Based Access Management (ABAC)

Identity Management

• System for Cross-domain Identity Management (SCIM)

Application Types

• Web Application
• Mobile Application
• Backend for Frontend (BFF)