Authentication

Authentication is the proof that a user is indeed who he claims to be. In a couple username/password, the password is the authentication, as only the user is supposed to know it. Identification is the other aspect of the problem.

Documentation

See Also

• HTTP authentication with PHP

Related

• Identification
• Framework
• hash_equals()
• Null
• Privacy
• Access Control List (ACL)
• Identity
• JSON Web Token (JWT)
• One-Time Password (OTP)
• Multi-Factor Authentication (MFA)
• Single Sign On (SSO)
• OAuth
• API Gateway
• Firewall
• OpenID Connect (OIDC)
• Security Assertion Markup Language (SAML)