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this post was submitted on 22 Mar 2024
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A "database of fingerprints" would only contain checksums. They can be used to verify the result of a reading but not to get the whole print.
Most of the time they don't even contain that. The primary checksum is stored only on the ID, which outputs a secondary one, which is matched against a verification checksum produced independently by a reader.
The national database doesn't need any of those, it holds the person ID numbers and their civil status and stuff like that not how they are verified.
that's the case for fingerprint readers in phones/laptops
But does that also apply to prints collected for government ID cards?
Most probably, for several reasons: