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.. _jwk_guide:
JSON Web Key (JWK)
==================
.. important::
We are splitting the ``jose`` module into a separated package. You may be
interested in joserfc_.
.. _joserfc: https://jose.authlib.org/en/dev/guide/jwk/
.. module:: authlib.jose
:noindex:
A JSON Web Key (JWK) is a JavaScript Object Notation (JSON) data structure
that represents a cryptographic key. An example would help a lot::
{
"kty": "EC",
"crv": "P-256",
"x": "f83OJ3D2xF1Bg8vub9tLe1gHMzV76e8Tus9uPHvRVEU",
"y": "x_FEzRu9m36HLN_tue659LNpXW6pCyStikYjKIWI5a0",
"kid": "iss-a"
}
This is an Elliptic Curve Public Key represented by JSON data structure.
:meth:`JsonWebKey.import_key` will convert PEM, JSON, bytes into these keys:
1. :class:`OctKey`
2. :class:`RSAKey`
3. :class:`ECKey`
4. :class:`OKPKey`
Algorithms for ``kty`` (Key Type) is defined by :ref:`specs/rfc7518`.
Import a key with::
from authlib.jose import JsonWebKey
key_data = read_file('public.pem')
key = JsonWebKey.import_key(key_data, {'kty': 'RSA'})
key.as_dict()
key.as_json()
You may pass extra parameters into ``import_key`` method, available parameters can
be found on RFC7517 `Section 4`_.
.. _`Section 4`: https://tools.ietf.org/html/rfc7517#section-4
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