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Authnkey

Authnkey icon

Authnkey

2 downloads

Uploaded by
Char0n
Version
1.2.0 (build 7) 
Size
2.8 MiB
Publish Date
2026-02-22
Category
Tools
Package
pl.lebihan.authnkey
Minimum OS
Android 14.0
Architecture
Universal
SHA1
b9ba747b6df90717120269951571a4be4775ab01
Security
✅ Verdict: Safe
ClamAV: Clean (scanned 2942876 bytes)
Description
Authnkey is a credential provider that lets you use FIDO2 security keys (like YubiKey or SoloKey) for passkey authentication on Android. Android's built-in WebAuthn support has a significant gap: it does not support CTAP2 over NFC. This means you cannot use PIN-protected passkeys or discoverable credentials with NFC security keys — you're limited to basic U2F tap-to-authenticate. Authnkey fills this gap by implementing the full CTAP2 protocol. The app registers as a credential provider, so any app or browser that supports the Android Credential Manager API will offer Authnkey as an option when passkeys are requested. This also works on devices without Google Play Services, since Authnkey implements the CTAP2 protocol directly rather than relying on Google's FIDO2 API. Supported features: - Passkey creation and authentication - PIN verification - Discoverable credentials - Multiple accounts per site - NFC and USB transports No root required.
Download (2.8 MiB)

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