this post was submitted on 14 Mar 2025
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[โ€“] rockerface@lemm.ee 23 points 2 days ago (1 children)

I mean, generating a one time QR code for login is one thing. It's the equivalent of a one time password. But a permanent QR code is not that. They still aren't inherently secure, but they can be used in situations where showing a code in plain text would be just as secure.

[โ€“] vaguerant@fedia.io 8 points 2 days ago

Yeah, my language was overly broad. You can use QR codes as part of a system where the security is going on elsewhere, but the integrity of the QR code itself isn't something that can be relied on for security.