this post was submitted on 30 Mar 2024
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Can I get an explanation on what exactly passkeys are? I already use bitwarden for passwords, is there any good reason to switch to passkeys if that works for me?
Passkeys are a form of passwordless authentication. You store them in Bitwarden like regular passwords, but when you want to access a site that supports them (e.g. eBay) instead of asking for you password and autofilling or copy pasting it from Bitwarden your Bitwarden pops up and asks you if you want to login and it just happens (if you have multiple passkeys associated with a site you can select which you want to use). That's it. No password fields which get autofilled and no password in your clipboard (history).
Thanks for the explanation. From the sound of it I'll probably stick with passwords—i like being able to copy them, cause I'm often signing in to an application, not a website, etc.
That's a reasonable decision. While passkeys are usually considered much safer than passwords they are not really common. It is mostly the big services (Google, Microsoft, eBay) which have implemented them. Also Bitwarden only supports them on desktop as they are currently working on mobile support. But this will change and as they follow a standard it will be no problem to log into apps with passkeys as the support widens.
Sounds a lot like SSO no?
It is a similar experience, but you don't need any infrastructure for it. Everything is handled by your device.
Not really, right now as the password resets all undermine passkeys for many sites. One day if/when passwords get replaced then there will be a need, but that is a long way off probably. A good random password along with any 2FA is really good enough for most cases, and Bitwarden already does that very well along with even random e-mail addresses.
It's ssh keys, basically.
Every service will have a keypair generated, managing the client keys is what all the passkey managers are doing.
Passkeys are great in that they are cryptographically secure, no guessed password issues. But now the client has to manage the keys. If you have a good workflow with your password manager, then passkeys are a strict improvement. If your workflow isn't great, then don't worry a out it, the benefit over strong passwords isn't huge yet.