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Google will now make passkeys the default for personal accounts (arstechnica.com)

submitted 1 year ago by Tibert@jlai.lu to c/technology@lemmy.world

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Passkey is some sort of specific unique key to a device allowing to use a pin on a device instead of the password. But which won't work on another device.

Now I don't know if that key can be stolen or not, or if it's really more secure or not, as people have really unsecure pins.

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[-] Tibert@jlai.lu 12 points 1 year ago* (last edited 1 year ago)

You won't need to?

The key is for a single device. Logging in on another one is going to generate another key.

They key is secured with the pin of the device, so when you try to log in, you can use the pin to log in, and not the password.

https://youtu.be/6lBixL_qpro?si=wFFQwrfjQBKDHs5B

[-] Kusimulkku@lemm.ee 9 points 1 year ago

Would you have to set up multiple devices when making your account then, if you wanted more than just your phone?

[-] Swarfega@lemm.ee 3 points 1 year ago

Yes. Unless there was a way to share that key between devices. I know Bitwarden is working on a vault for keys but it's not released yet. It was due out now so I assume it's delayed.

[-] alvvayson@lemmy.world 2 points 1 year ago

Apple is quite dogmatic in that their implementation demands cross device syncing.

It's definitely possible to have such an implementation and those will be the most common. You take a very small security risk for a huge convenience factor.

For the more paranoid, device-bound passkeys do not sync. If you lose the device, you will need to go through a recovery procedure.

[-] alvvayson@lemmy.world 2 points 1 year ago

Thanks for posting this video. Very good explanation for those unfamiliar with the technology.

this post was submitted on 11 Oct 2023

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