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hdjrudni 3 days ago

Passkeys can be a pain in the ass too. Evidentially I set up my Yubikey with Github as some point, which is fine if I'm at my desktop where my key is plugged in, but if I want to sign in on mobile.... now what? I just couldn't log in on mobile for months until I realized I think there's a button on there somewhere that's like "use different 2fa" but then what was even the point of having a key registered if it can be bypassed.

sneak 3 days ago | parent | next [-]

You can use software u2f (iCloud supports this), you don’t need Yubikeys.

Also, Yubikeys work on phones just fine, via both NFC and USB.

dchest 3 days ago | parent | prev | next [-]

While you can setup passkeys with YubiKey, the most common intended use case is key pairs that are synchable via your Apple/Google/password manager account. So, once you add a passkey, you'll be able to sign in on mobile with it automatically.

nialv7 3 days ago | parent | prev | next [-]

you can use yubikeys for both passkey and password+2fa. this way you aren't bypassing anything. and btw, you can get USB-C yubikeys so you can plug it into your phone. if even that's not an option, you can get a USB-C to USB-A adapter.

yawaramin 3 days ago | parent | prev [-]

> but if I want to sign in on mobile.... now what?

Just set up a new passkey on the mobile device.