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JSON Web Token Authentication

Project description

Introduction

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JSON Web Token (JWT) Authentication module for CircuitPython. JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.

This library currently supports the following signature algorithms for JWT generation and verification:

Dependencies

This driver depends on:

Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.

Installing from PyPI

On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI. To install for current user:

pip3 install adafruit-circuitpython-jwt

To install system-wide (this may be required in some cases):

sudo pip3 install adafruit-circuitpython-jwt

To install in a virtual environment in your current project:

mkdir project-name && cd project-name
python3 -m venv .env
source .env/bin/activate
pip3 install adafruit-circuitpython-jwt

Usage Example

Generating encoded JWT

import adafruit_jwt
# Import Private RSA key from a secrets.py file
try:
    from secrets import secrets
except ImportError:
    print("WiFi secrets are kept in secrets.py, please add them there!")
    raise

# Create JWT Claims
claims = {"iss": "joe",
        "exp": 1300819380,
        "name": "John Doe",
        "admin": True}

# Generate JWT, sign with RSA private key and RS-256
encoded_jwt = adafruit_jwt.JWT.generate(
    claims, secrets["private_key"], algo="RS256")
print("Encoded JWT: ", encoded_jwt)

Validating a generated JWT, encoded_jwt.

import adafruit_jwt
decoded_jwt = adafruit_jwt.JWT.validate(encoded_jwt)
# The decoded JWT's JOSE header and claims set are returned as a tuple
print('JOSE Header: {}\nJWT Claims: {}'.format(decoded_jwt[0], decoded_jwt[1]))

Contributing

Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.

Documentation

For information on building library documentation, please check out this guide.

Project details


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