What is the process of JWT authentication?

2 years ago
Olivia Parker
1 minute

JWT（JSON Web Token）认证的流程通常包括以下步骤：

  1. Users provide their username and password to log in.
  2. The server checks the correctness of the username and password.
  3. The server generates a JWT and sends it back to the client.
  4. The client stores JWT, which can be stored in a Cookie, LocalStorage, or SessionStorage.
  5. When the client sends a request, they will send the JWT in the request’s header (usually in the Authorization header).
  6. The server verifies the validity and signature of the JWT.
  7. If the JWT verification is successful, the server will validate the permissions based on the information in the JWT and return the response data.
  8. The client processes the response data returned from the server accordingly.

The advantages of JWT authentication include being stateless, scalable, cross-origin, and compatible with multiple programming languages and platforms. However, it is important to protect the security of JWT during the authentication process to prevent malicious tampering or theft.

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