On: Interview: Apple’s Head of Privacy details child abuse detection

[fzzzy]

Send their enemies files which are hash collisions with cp images.

[zepto → fzzzy]

How will they do that without access to the images?

[fzzzy → zepto]

By hacking access to the hashes...

[zepto → fzzzy]

That won’t have any effect. Producing an image with a matching hash isn’t enough.

Your fake image also has to match the visual derivative, which isn’t possible since you don’t have access to the original image.