PyJWT 
A Python implementation of JSON Web Token draft 01.
Installing
$ pip install PyJWT
A Note on Dependencies:
The RSASSA-PKCS1-v1_5 algorithms depend on PyCrypto. If you plan on using any of those algorithms, you’ll need to install it as well.
$ pip install PyCrypto
The Elliptic Curve Digital Signature algorithms depend on Python-ECDSA. If you plan on using any of those algorithms, you’ll need to install it as well.
$ pip install ecdsa
Usage
import jwt
jwt.encode({'some': 'payload'}, 'secret')Additional headers may also be specified.
jwt.encode({'some': 'payload'}, 'secret', headers={'kid': '230498151c214b788dd97f22b85410a5'})Note the resulting JWT will not be encrypted, but verifiable with a secret key.
jwt.decode('someJWTstring', 'secret')If the secret is wrong, it will raise a jwt.DecodeError telling you as such. You can still get the payload by setting the verify argument to False.
jwt.decode('someJWTstring', verify=False)Algorithms
The JWT spec supports several algorithms for cryptographic signing. This library currently supports:
HS256 - HMAC using SHA-256 hash algorithm (default)
HS384 - HMAC using SHA-384 hash algorithm
HS512 - HMAC using SHA-512 hash algorithm
ES256 - ECDSA signature algorithm using SHA-256 hash algorithm
ES384 - ECDSA signature algorithm using SHA-384 hash algorithm
ES512 - ECDSA signature algorithm using SHA-512 hash algorithm
RS256 - RSASSA-PKCS1-v1_5 signature algorithm using SHA-256 hash algorithm
RS384 - RSASSA-PKCS1-v1_5 signature algorithm using SHA-384 hash algorithm
RS512 - RSASSA-PKCS1-v1_5 signature algorithm using SHA-512 hash algorithm
Change the algorithm with by setting it in encode:
jwt.encode({'some': 'payload'}, 'secret', 'HS512')When using the RSASSA-PKCS1-v1_5 algorithms, the key argument in both jwt.encode() and jwt.decode() ("secret" in the examples) is expected to be an RSA public or private key as imported with Crypto.PublicKey.RSA.importKey().
When using the ECDSA algorithms, the key argument is expected to be an Elliptic Curve private key as imported with ecdsa.SigningKey.from_pem(), or a public key as imported with ecdsa.VerifyingKey.from_pem().
Tests
You can run tests from the project root after cloning with:
$ python tests/test_jwt.py
Support of reserved claim names
JSON Web Token defines some reserved claim names and defines how they should be used. PyJWT supports these reserved claim names:
“exp” (Expiration Time) Claim
“nbf” (Not Before Time) Claim
“iss” (Issuer) Claim
“aud” (Audience) Claim
Expiration Time Claim
From [draft 01 of the JWT spec](http://self-issued.info/docs/draft-jones-json-web-token
1 maintainer
Metadata
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Release files for PyJWT 0.3.1
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
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| PyJWT-0.3.1.tar.gz | 8.0 kB | Details |
Built distribution (wheel)
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|---|---|---|---|---|
| PyJWT-0.3.1-py2.py3-none-any.whl | Python 3, Python 2 | none | any | Details |
Total release size: 19.4 kB
Release files / PyJWT-0.3.1.tar.gz
| Download URL | PyJWT-0.3.1.tar.gz |
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| Size | 11.4 kB |
| Tags | Python 2 Python 3 |
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