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> Since it is illegal to share those hashes in any way or form Source? (The link you provide does not claim that, as far as I could see.)
by FabHK 5y ago
> Since it is illegal to share those hashes in any way or form
Source? (The link you provide does not claim that, as far as I could see.)
- lixtra 5y agoThe article claims that photoDNA is reversible to 26x26 images and claims that the hashes are therefore CP.
- FabHK 5y agoAh, right. But Apple is using NeuralHash, not photoDNA, right? Does that suffer the same problem?
- nabakin 5y agoWe don't know but I think there's a good chance it does. It's important to determine before release. Maybe it's possible to encrypt them in such a way, no one can access them despite being on the device and still be able to use them for comparison
- FabHK 5y agoYes, that's what the paper A Concrete-Security Analysis of the Apple PSI Protocol from UC San Diego claims: > Reciprocally, the database of CSAM photos should not be made public or become known to the user. Apple has found a way to detect and report CSAM offenders while respecting these privacy constraints. https://www.apple.com/child-safety/pdf/Alternative_Security_Proof_of_Apple_PSI_System_Mihir_Bellare.pdf https://www.apple.com/child-safety/pdf/Alternative_Security_...