this post was submitted on 14 Mar 2025
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[–] baggins 52 points 2 days ago* (last edited 2 days ago) (25 children)

How would you make an arbitrary QR code have a verifiable signature?

[–] [email protected] -5 points 2 days ago (2 children)

A verifiable signature could be created but the use of public keys lets malicious actors to sign using the same key

[–] [email protected] 13 points 1 day ago

You can't use public keys to sign anything. You need the private one.

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