jwt

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python-jwt

python-jwt is a JSON Web Token (JWT) implementation in Python developed by Gehirn Inc_.

Examples

.. code-block:: python

import json from datetime import datetime, timedelta, timezone

from jwt import ( JWT, jwk_from_dict, jwk_from_pem, ) from jwt.utils import get_int_from_datetime

instance = JWT()

message = { 'iss': 'https://example.com/', 'sub': 'yosida95', 'iat': get_int_from_datetime(datetime.now(timezone.utc)), 'exp': get_int_from_datetime( datetime.now(timezone.utc) + timedelta(hours=1)), }

""" Encode the message to JWT(JWS). """

Load a RSA key from a JWK dict.

signing_key = jwk_from_dict({ 'kty': 'RSA', 'e': 'AQAB', 'n': '...', 'd': '...'})

Or load a RSA key from a PEM file.

with open('rsa_private_key.pem', 'rb') as fh: signing_key = jwk_from_pem(fh.read())

You can also load an octet key in the same manner as the RSA.

signing_key = jwk_from_dict({'kty': 'oct', 'k': '...'})

compact_jws = instance.encode(message, signing_key, alg='RS256')

""" Decode the JWT with verifying the signature. """

Load a public key from PEM file corresponding to the signing private key.

with open('rsa_public_key.json', 'r') as fh: verifying_key = jwk_from_dict(json.load(fh))

message_received = instance.decode( compact_jws, verifying_key, do_time_check=True)

""" Successfuly retrieved the message from the compact_jws """ assert message == message_received

Installation

You can install python-jwt with pip.

.. code-block:: shell

$ pip install jwt

Implementation Details

Supported Algorithms

- Unsecured

  - none (disabled by default for security)

- Symmetric

  - HS256
  - HS384
  - HS512

- Asymmetric

  - PS256
  - PS384
  - PS512
  - RS256
  - RS384
  - RS512

Supported Python Versions

• Python 3.6+

License

python-jwt is licensed under the Apache License version 2. See ./LICENSE.rst.

.. _Gehirn Inc: http://www.gehirn.co.jp/