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rantwasp | 4 years ago

The Big Brain Scheme Apple uses for their CSAM stuff. Summary for the lazy:

- this is going to be out in ios15

- Apple will build and push a database of hashes with every update

- these hashes will be used to verify against the pics before they are uploaded to icloud and generate a "voucher"

- once a certain threshold of vouchers is passed, Apple will be able to decrypt the pictures in questions (all this discussion seems to assume Apple does not have access to icloud pictures - so maybe they are preparing to rollout full encrypted backups???)

- the crypto stuff is interesting

- the scary part is that there is nothing preventing Apple to do the same thing with other thing on your phone (assuming there is a way to generate a good enough matching hash - I can see how this could be easily extended to basically anything that's stored on the phone)

discuss

order

simondotau|4 years ago

Your last point is a slippery slope that began the moment you allowed any software on any device to update itself. Literally any software that updates itself could be converted into a treacherous surveillance system at any time.

And literally any cloud storage service could betray you at any time without pushing new binaries to your hardware.

And nobody ever has to tell you shit.

rantwasp|4 years ago

for all that i know the software doesn’t even need to update itself. it may have the backdoor built in.

so now what? go back to landlines? stop using a “smart”phone?