Why does anyone still give a fuck what DHH has to say any more?
Rails is a ghetto has been a thing for over a decade, and the man is basically just a tech contrarian at this point.
this post was submitted on 16 Oct 2024
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Whatever way the world is moving, expect DHH to have a different opinion about it.
Random email auth is some thought leadering for sure.
This article is FUD from big password.
DHH with a pants-on-head stupid argument just because he hates the big players in tech? Must be a day ending in Y again.
I'm not gonna lie I still don't understand how passkeys work, or how they're different from 2fa. I'm just entering a PIN and it's ok somehow? I don't get it.
It uses asymmetric cryptography. You sign a login request with the locally stored private key and the service verifies the signature with their stored public key. The PIN on your device is used to unlock access to the private key to sign the login request.
So isn't the pin now the weakest link and shorter than a password
Typically in most situations where a PIN is used on a modern device, it is not just the number you enter but some kind of hardware backing that is limited to the local device and also does things like rate limiting attempts.
The passkey stored locally in some kind of hardware backed store on your device or in your password manager is the first factor: something you have.
The PIN/password or fingerprint/face to unlock the device and access the stored passkey is the second factor: something you know or something you are, respectively.
Two factors gets you to 2FA.
It is 2FA. Just easier to use.
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I wish FIDO had paid more attention to SQRL. It's long in the tooth now, but with some attention it could have been a better solution than passkeys, IMO.
I always thought of passkeys as a convenient way to authenticate.
I am password-less on multiple services.
I have an authentication app on my phone that authenticate me when I am away of my computers. I have passkeys on my personal computer and another set of passkeys on my work laptop.
If I have to authenticate from your computer I simply use my auth app, click on "it's a public computer" and I am good to go.
The dude discovered a butter knife and he tries to replace his spoon with it just to realize it doesn't work well for eating a soup.
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Why not just passkeys with a “magic link” fallback though?
This is the same as forgotten password so ytf not
Passkeys aren't a full replacement in my opinion, which is what DHH gets wrong. It's a secure, user-friendly alternative to password+MFA. If the device doesn't have a passkey set up you revert to password+MFA.
And the fewer times that people are entering their password or email/SMS-based 2FA codes because they're using passkeys, the less of an opportunity there is to be phished, even if the older authentication methods are still usable on the account.