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/