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Apple’s NeuralHash Algorithm Has Been Reverse-Engineered

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Apple’s NeuralHash algorithm — 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...

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elwillow
36 days ago
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Ottawa, Ontario
popular
38 days ago
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4 public comments
guilhermea
38 days ago
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People knew it was bound to happen, but this early? Wow.
London, England
jgbishop
38 days ago
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Got to love when Apple blows it!
Durham, NC
freeAgent
38 days ago
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I wonder if we'll see people creating false positives in order to frame others OR in order to jam up Apple's system with lots of false positives. Or both. Probably both.
Los Angeles, CA
zippy72
36 days ago
I can think of at least two governments that are probably working on the former. There's a few hackers on Twitter who claim to be working on the latter.
MotherHydra
38 days ago
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Clearly something that while helpful on its face has immense (possibly impossible) technical hurdles to overcome lest innocent people get flagged.
Space City, USA

Self-love

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Self-love

A comic about loving yourself.

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elwillow
50 days ago
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Ottawa, Ontario
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Why it breaks your brain to take a compliment

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Why it breaks your brain to take a compliment

The science and psychology of why taking compliments is so hard.

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elwillow
53 days ago
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Ottawa, Ontario
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Mine Captcha

3 Comments and 8 Shares
This data is actually going into improving our self-driving car project, so hurry up--it's almost at the minefield.
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elwillow
56 days ago
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Ottawa, Ontario
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3 public comments
llucax
57 days ago
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💣
Berlin
DexX
57 days ago
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I am offended that this is two correct solutions, and I am 99% certain Randall did that on purpose as an extra level on the joke.
Melbourne, Australia
Rendin
57 days ago
Are you sure that there are two? I would love that being part of the joke but I see only one valid solution.
aeonsablaze
57 days ago
Pretty sure there is only one.
flensrocker
57 days ago
I only see: 2210, MM31, 3M3M, 1121
DexX
57 days ago
You're right - I got it wrong. :P
jlvanderzwan
57 days ago
Would have been amazing (in the "hilariously evil" sense) if you were right though
silberbaer
57 days ago
Yes, only one, but I'm glad I'm not the only person who felt compelled to solve it.
contraryian
57 days ago
I think 2210, MM31, 332M, M111 is also valid?
aeonsablaze
57 days ago
Nope, take a closer look at the 3 in the second row.
xlythe
57 days ago
I feel let down that you can't actually submit the solution :(
alt_text_bot
57 days ago
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This data is actually going into improving our self-driving car project, so hurry up--it's almost at the minefield.

You know that moment when you don't fully understand something?

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You know that moment when you don't fully understand something?

A comic about explaining things to other people.

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elwillow
76 days ago
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Ottawa, Ontario
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Saturday Morning Breakfast Cereal - Detection

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Click here to go see the bonus panel!

Hovertext:
This may also work for the volume of the monologue.


Today's News:
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elwillow
172 days ago
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Ottawa, Ontario
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