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Oct 13, 2024
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Add ES256 usage #1003

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15 changes: 15 additions & 0 deletions docs/usage.rst
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Expand Up @@ -72,6 +72,21 @@ EdDSA encoding and decoding require the ``cryptography`` module. See :ref:`insta
>>> jwt.decode(encoded, public_key, algorithms=["EdDSA"])
{'some': 'payload'}

Encoding & Decoding Tokens with ES256 (ECDSA)
-------------------------------------------

ECDSA encoding and decoding require the ``cryptography`` module. See :ref:`installation_cryptography`.

.. code-block:: pycon

>>> import jwt
>>> private_key = b"-----BEGIN EC PRIVATE KEY-----\nMHcCAQEEIHAhM7P6HG3LgkDvgvfDeaMA6uELj+jEKWsSeOpS/SfYoAoGCCqGSM49\nAwEHoUQDQgAEXHVxB7s5SR7I9cWwry/JkECIRekaCwG3uOLCYbw5gVzn4dRmwMyY\nUJFcQWuFSfECRK+uQOOXD0YSEucBq0p5tA==\n-----END EC PRIVATE KEY-----\n"
>>> public_key = b"-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEXHVxB7s5SR7I9cWwry/JkECIReka\nCwG3uOLCYbw5gVzn4dRmwMyYUJFcQWuFSfECRK+uQOOXD0YSEucBq0p5tA==\n-----END PUBLIC KEY-----\n"
>>> encoded = jwt.encode({"some": "payload"}, private_key, algorithm="ES256")
>>> jwt.decode(encoded, public_key, algorithms=["ES256"])
{'some': 'payload'}


Specifying Additional Headers
-----------------------------

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