Passkey / Webauthn
WebAuthn is public key cryptography but more widespread and available via the FIDO (Fast IDentity Online) alliance.
https://fidoalliance.org/how-fido-works/
https://caniuse.com/?search=webauthn
Services
What services can we sign into with webauthn?
A distinct lack of support at the moment. The most offers for it so far are only as second factors.
1Password, Gmail offer keys as a second factor.
Clients
What does a user require to provide their credentials?
Physical FIDO2-compatible security keys:
- Yubikeys - $55 USD
- Token2
- Feitian - a little less expensive
- Google Titan
Software based:
- macOS Ventura (Secure Enclave)
- iOS 16 (Secure Enclave)
- 1Password 8
- Windows ??
Resource Links
Apple - https://support.apple.com/en-us/HT213305 1Password has announced support but nothing yet. https://webauthn.io/