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Concerns Raised Over Bitwarden Moving Further Away From Open-Source (www.phoronix.com)
submitted 2 years ago by to c/technology@lemmy.world
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[–] 13 points 2 years ago (13 children)

Keepass? No cross device support, you need to manage that yourself through something like Google Drive...

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  • [–] 17 points 2 years ago (10 children)

    What do you mean "no cross device support"? KeePassXC supports Win, Mac, Linux and there are iOS and Android apps available...

    As for the lack of cloud and requirement to provide your own synchronization, for some (like me) that's a feature, not a limitation :)

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  • [–] 8 points 2 years ago (9 children)

    Do any of the iOS or Android apps support passkeys? I looked into this a couple days ago and didn’t find any that did. (KeePassXC does.)

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  • [–] 2 points 2 years ago* (6 children)

    I don't use passkeys so I don't know. Maybe I should research into passkeys, what's the benefit over plain old (long, randomly generated) passwords?

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  • [–] 5 points 2 years ago

    I’m no expert in this but the passkeys really on some sort of public key, cryptographic pair. Your device will only send your encrypted cryptographic secret when it gets the correct encrypted cryptographic secret from the destination. This makes it much harder to steal credentials with a fake website or other service.

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  • [–] -1 points 2 years ago* (4 children)

    Ok, from a quick search, it seems passkeys rely on some trusted entity (your browser, OS, ...) to authenticate you, so, yeah, I'm not sure if I like that. The FIDO alliance website is all about how easy, convenient and secure passkeys are, and nothing about how they actually work under the hood, which is another red flag for me.

    I'll stick to old-fashioned, long, secure, randomly generated passwords, thanks.

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  • [–] 4 points 2 years ago (2 children)

    Passkeys rely on you holding a private key. The initial design was that a device (like a browser or computer/phone) stored the private key in a TPM-protected manner, but you can also store it in a password manager.

    This is more secure than a password because of the way private/public key encryption works. Your device receives a challenge encrypted with the public key, decrypts with the private key and then responds. The private key is never revealed, so if attackers get the public key they can’t do shit with it.

    Just be sure that your private key is safe (use a strong master password for your PM vault) and your passkey can’t be stolen by hacking of a website.

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  • [–] 1 point 2 years ago (1 child)

    I see, that makes sense and should be more secure, in theory. Thanks for the explanation.

    The issue I have is, whether I need to trust a third party with my private key, e.g. Google with Android, Microsoft with Windows, etc. (yes on linux it's different, but that's not my only OS).

    Also if the private key does get compromised (e.g. local malware steals it), hopefully there's an easy way to revoke it.

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  • [–] 1 point 2 years ago

    Your Passkeys have to be stored in something, but you don’t have to store them all in the same thing.

    If you store them with Microsoft’s Windows Hello, Apple Keychain, or Google Password Manager, all of which are closed source, then you have to trust MS/Apple/Google. However, Keychain is end to end encrypted (according to Apple) and Windows Hello is currently not synced to the cloud, so if you trust those claims, you don’t need to trust that they won’t misuse your data. I don’t know if Google’s offering is end to end encrypted, but I wouldn’t trust it either way.

    You can also store Passkeys in a password manager. Bitwarden is open source (though they did recently introduce a proprietary, source available SDK), as is KeepassXC. 1Password isn’t open source but can store Passkeys as well.

    And finally, you can store Passkeys in a compatible security key, like the YubiKey 5 series keys, which can each store 100 Passkeys. This makes them basically immune to being stolen. Note that if your primary interest in Passkeys is in the phishing resistance (basically nearly perfect immunity to MitM attacks) then you can get that same benefit by using WebAuthn as a second factor. However, my experience has been that Passkey support is broader.

    Revoking keys involves logging into the particular service and revoking them, just like changing your password. There isn’t a centralized way to do it as far as I’m aware. Each Passkey is only used for a single service, after all. However, in the same way that some password managers will offer to automatically change your passwords, they might develop a similar for passkeys.

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  • [–] 1 point 2 years ago

    I was finally able to find some technical detail on passkeys on FIDO website, and yeah, it actually looks like it's a real improvement over passwords: it's simple, uses proven technology (public/private keys), and should be much more secure than passwords.

    Also, nothing in the "specs" says I need to entrust my private key with the OS or a third party, which is good.

    That said, it seems some OS support is required nonetheless, to show the pin / biometrics prompt (or is it?), and on android at least, I'd need to buy a new device with Android 14 to use a non-Google passkey provider...

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