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August 18, 2021 06:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/tVMsK4uOSxo/apples-neuralhash-algorithm-has-been-reverse-engineered
Apple's NeuralHash Algorithm Has Been Reverse-Engineered
An anonymous reader writes: Apple's NeuralHash algorithm (PDF) -- the one it's using for client-side scanning on the iPhone -- has been reverse-engineered. Turns out it was already in iOS 14.3, and someone noticed: Early tests show that it can tolerate image resizing and compression, but not cropping or rotations. We also have the first collision: two images that hash to the same value. The next step is to generate innocuous images that NeuralHash classifies as prohibited content. This was a bad idea from the start, and Apple never seemed to consider the adversarial context of the system as a whole, and not just the cryptography.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/tVMsK4uOSxo/apples-neuralhash-algorithm-has-been-reverse-engineered
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