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dzmitry-savitski/webauthn.py

Last active August 13, 2025 21:30
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webauthn.py
# pip install fido2
import os
from fido2.client.windows import WindowsClient
from fido2.webauthn import PublicKeyCredentialRequestOptions
origin = "https://webauthn.io"
client = WindowsClient(origin) # wraps webauthn.dll on Windows
# Build proper WebAuthn request options
options = PublicKeyCredentialRequestOptions(
challenge=os.urandom(32),
rp_id="webauthn.io",
timeout=60000,
user_verification="discouraged", # we're just probing the transport
)
try:
result = client.get_assertion(options)
print("OK, transport works. Got", len(result.get_response(0).signature), "bytes of signature")
except Exception as e:
print("GetAssertion failed:", repr(e))
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