Virtual WebAuthn

Locally stored WebAuthn Passkey

passkey.py

Virtual WebAuthn implemention of navigator.credentials.get() and navigator.credentials.create(), with self-attestation.

webauthn_server.py

Simple FastAPI server that acts as proxy for passkey.py on browser environment.

Use webauthn_server.js in userscript.js (like TamperMonkey), WebAuthn requests will be forwarded to your local script.

Private key for your Passkeys are stored in JSON file, you can backup your private key.

Works on most WebAuthn websites, including Google, Microsoft.