Yes, 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

Yes, 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_...