Authentication & Authorization Patterns

Master JWT, OAuth, sessions, password management, and API security.

When to Use This Skill

• Implementing user login/logout
• Managing JWT tokens and refresh tokens
• Implementing OAuth 2.0 flows
• Hashing and validating passwords
• Creating password reset flows
• Implementing API keys
• Managing user sessions
• Implementing multi-factor authentication (MFA)
• Role-based access control (RBAC)

JWT Authentication

Generate and verify tokens: