Re:Apple plans to scan US iPhones for child abuse imagery
by gojomo on Thursday August 05, 2021 @01:12PM
(#28076583)
> but it’s very hard to “innocently” end up with one of those images that they are looking for from the database.
Are you sure, given how many iPhone takeover/jailbreak bugs regularly exist, including the recent 0-click iMessage bug? Would you like to dare a hacking group, domestic or foreign, to land a single verboten image on your iPhone?
> And the way it’s being done (hashes), a collision is highly unlikely.
The limited details so far are suggestive that its using perceptual hashes, which are more susceptible to collision-engineering/false-positives than cryptographically-secure hashes.
Are you sure, given how many iPhone takeover/jailbreak bugs regularly exist, including the recent 0-click iMessage bug? Would you like to dare a hacking group, domestic or foreign, to land a single verboten image on your iPhone?
> And the way it’s being done (hashes), a collision is highly unlikely.
The limited details so far are suggestive that its using perceptual hashes, which are more susceptible to collision-engineering/false-positives than cryptographically-secure hashes.