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