schnurrito@discuss.tchncs.de to Technology@beehaw.org · 3 days agoTake It Down Act Has Best Of Intentions, Worst Of Mechanismswww.techdirt.comexternal-linkmessage-square7fedilinkarrow-up123arrow-down10cross-posted to: technology@lemmy.worldtechnology@lemmy.ml
arrow-up123arrow-down1external-linkTake It Down Act Has Best Of Intentions, Worst Of Mechanismswww.techdirt.comschnurrito@discuss.tchncs.de to Technology@beehaw.org · 3 days agomessage-square7fedilinkcross-posted to: technology@lemmy.worldtechnology@lemmy.ml
minus-squarevrighter@discuss.tchncs.delinkfedilinkarrow-up6·3 days agobecause of the “perceptual” part. A normal hash has the property that it produces wildly different hashes for even the tiniest of changes in the file. Perceptual hashing flips that requirement on its head, and therefore makes finding a suitable hash function much harder.
minus-squarechicken@lemmy.dbzer0.comlinkfedilinkarrow-up1·3 days agoOh, the way I read it it seemed like they were saying perceptual hashes used to be easier to calculate
Why “no longer”?
because of the “perceptual” part.
A normal hash has the property that it produces wildly different hashes for even the tiniest of changes in the file.
Perceptual hashing flips that requirement on its head, and therefore makes finding a suitable hash function much harder.
Oh, the way I read it it seemed like they were saying perceptual hashes used to be easier to calculate