Comment on How Dropbox sacrifices user privacy for cost savings Comments−dpcan15yUhm "(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?−HerraBRE15yYou 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?−orangecat15yEncryption keys would be different for different users.−AjithAntony15yI don't think anyone suggested the keys were unique to users.
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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.