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Uhm "(if it didn't, it wouldn't be able to detect duplicate data across different accounts"

How about comparing a hash of the encrypted data?



You are able to access the data from elsewhere once you've "uploaded it".

But wait, that never happened because it was a dup.

That means they can, and will, decrypt somebody else's data to serve your request. Cute, huh?


Encryption keys would be different for different users.


I don't think anyone suggested the keys were unique to users.




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