Hardware tokens

These authenticate you with a challenge-response cryptographic algorithm. You can use them for two factor authentication.

• Nitrokey
• Solokey
• URU Key – ESP32 based thumb-size wireless biometric FIDO2 Authenticator device.
• YubiKey

• khefin – use a FIDO2 authenticator with hmac-secret extension support to generate passphrase-protected secrets.

• Trusted Platform Modules