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> Perceptual hashes are only used to reduce the search space for human review. False. The Apple proposed system leaks the cryptographic keys needed to decode
by nullc 5y ago
> Perceptual hashes are only used to reduce the search space for human review.
False. The Apple proposed system leaks the cryptographic keys needed to decode the images conditional on the match (threshold of matches) of the faulty neuralhash perceptual hash.
Matching these hashes results in otherwise encrypted highly confidential data being decodable by apple, accessable on their servers to the relevant staff along with anyone who compromises them or coerces them.
- Retric 5y agoApple can decode the data either way. Their the ones doing the encryption on their servers. There are two basic reasons for this first it’s a backup service which makes end to end encryption risky, but second they also let users share access to their baked up photos. iCloud > photos > shared album.