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Pythonic WebAuthn

Project description


PyPI GitHub license Pythonic WebAuthn

A Python3 implementation of the WebAuthn API focused on making it easy to leverage the power of WebAuthn.

This library supports all FIDO2-compliant authenticators, including security keys, Touch ID, Face ID, Windows Hello, Android biometrics...and pretty much everything else.


This module is available on PyPI:

pip install webauthn


  • Python 3.8 and up


The library exposes just a few core methods on the root webauthn module:

  • generate_registration_options()
  • verify_registration_response()
  • generate_authentication_options()
  • verify_authentication_response()

Two additional helper methods are also exposed:

  • options_to_json()
  • base64url_to_bytes()

Additional data structures are available on webauthn.helpers.structs. These attrs-powered dataclasses are useful for constructing inputs to the methods above, and for providing type hinting to help ensure consistency in the shape of data being passed around.


See examples/ for practical examples of using generate_registration_options() and verify_registration_response().

You can also run these examples with the following:

# See "Development" below for venv setup instructions
venv $> python -m examples.registration


See examples/ for practical examples of using generate_authentication_options() and verify_authentication_response().

You can also run these examples with the following:

# See "Development" below for venv setup instructions
venv $> python -m examples.authentication



Set up a virtual environment, and then install the project's requirements:

$> python3 -m venv venv
$> source venv/bin/activate
venv $> pip install -r requirements.txt


Python's unittest module can be used to execute everything in the tests/ directory:

venv $> python -m unittest

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