Spring BootJWT Authentication
Spring Boot

JWT Authentication

Implement stateless authentication using JSON Web Tokens.

What is JWT?

JSON Web Token (JWT) is a compact, URL-safe token used for securely transmitting information. It consists of three parts: • Header: Algorithm and token type • Payload: Claims (user data) • Signature: Verifies the token hasn't been tampered with

JWT Token Structure

Example JWT:
Text
// Header.Payload.Signature
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.
eyJzdWIiOiJ1c2VyMSIsImlhdCI6MTUxNjIzOTAyMn0.
SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c