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by thebean11 1698 days ago
https://support.apple.com/en-us/HT204587

> Touch ID doesn't store any images of your fingerprint, and instead relies only on a mathematical representation. It isn't possible for someone to reverse engineer your actual fingerprint image from this stored data.
1 comments
aeternum 1698 days ago
Remember when Apple claimed similar about their CSAM photo-scanning but then it turned out it was pretty easy to generate a hash collision?

AFAIK Apple has not opened their TouchID hash scheme so you must take them at their word that it cannot be reverse engineered.

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thebean11 1698 days ago
Sure, I think there are a million attack vectors for getting these "orbs" to send the same person money multiple times. Crafting a face that doesn't generate a hash collision (which would be the goal here) is probably an even easier problem!

I'm just pointing out that perceptual hashes do exist.

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