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JSON Web Tokens (JWT) are a compact, URL-safe means of representing claims to be transferred between two parties. They are often used for authentication and authorization purposes in web development. In Python, you can use the PyJWT library to work with JWTs. Here's a step-by-step tutorial on how to install and use PyJWT with code examples:
To install the PyJWT library, you can use the following pip command in your terminal or command prompt:
Once the installation is complete, you can start using PyJWT in your Python script. Import the library at the beginning of your script:
To create a JWT, you need to encode a set of claims into a JSON object and sign it using a secret key. Here's an example:
In this example, payload contains the claims you want to include in the JWT. The exp claim specifies the expiration time of the token. Adjust the payload according to your requirements.
To verify and decode a JWT, you can use the decode method:
Make sure to replace 'your_received_jwt' with the actual JWT you received. The decode method verifies the signature and checks for the token's expiration.
You've successfully installed the PyJWT library and created a simple JWT with Python. Remember to keep your secret key secure, and adjust the code based on your specific use case and requirements..JWTs are commonly used in web applications for authentication, so you may encounter them when working with authentication systems and APIs.
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