FEITIAN FIDO Bridge

FEITIAN FIDO Bridge is an Android credential provider for compatible FEITIAN FIDO2 hardware security keys. It enables hardware-backed passkey registration and sign-in through NFC or USB.
The app communicates directly with the security key and does not depend on Google Play services. Passkey private keys remain protected inside the FEITIAN hardware and are never exported to the Android device.
Key features:
- Connect FEITIAN FIDO2 security keys through NFC
- Connect through USB or USB OTG
- Create and use hardware-backed passkeys
- Support discoverable credentials and account selection
- Perform CTAP2 hardware PIN verification
- Support compatible FEITIAN fingerprint security keys
- Present PIN and fingerprint as equal verification choices
- Support built-in user verification for FIDO_2_1 and FIDO_2_1_PRE
- Fall back to PIN when fingerprint verification fails or becomes blocked
- View authenticator information and supported capabilities
- View and manage discoverable credentials
- Set or change the security key PIN
- Use short APDU command chaining for NFC products that do not support extended-length commands