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Comment on What is a passkey, in practice? Is it a file? A token? Can I keep it in an USB drive? How can I save it in case of device loss?

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Limonene@lemmy.world ⁨2⁩ ⁨months⁩ ago

I don’t know much about client certificates, because nobody ever used them. All I know is that they are decades older than passkeys, and “certificate” implies there is a public-private keypair, just like in a passkey.

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hedgehog@ttrpg.network ⁨2⁩ ⁨months⁩ ago
If I were talking about Passkeys and comparing them to client certificates, even though I don’t know much about client certificates in practice, I would say:

Passkeys can be installed in your password manager, which handles securely syncing it to all of your devices

Websites can make it very easy to create or log in with a passkey

Far more websites support passkeys

Websites can support multiple passkeys per user

The user experience is far better with passkeys

Even if your password manager isn’t installed on a given machine, you can still log in with a passkey via your phone, so long as both devices have bluetooth enabled. This allows you to log in on an untrusted device, like a library computer, without exposing your password (though unfortunately that would still result in that computer having access to the session and being able to modify account settings - best practice would be to log out when you’re done and then, from a trusted device, confirm that you were logged out / log out of all devices.)
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