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Does this rely on the Trust Me Bro model, or is there some way for the client to verify that the provider actually isn't able to see your inputs? I want to read a whitepaper but all I can find is the tl;dw conference presentation
Earlier quoted context omitted.
It's google. They are good at engineering. Not at creating trust. After the bizillionth time they have broken trust, there is no need for benefit of the doubt.
so what's the option ??? Meta ?? xAi ?? or OpenAI ???
One flaw with FHE is that it guarantees only that you need the key to see the inputs or outputs of the computation, but not necessarily that the computation is the one you want. For example, the computation could be adversarial for certain inputs, or an adversary could insert their own computation first (or last).
100% not an expert but my understanding was that part of what you are proving by signing the computation is that the computation itself was performed specifically as agreed to. I may be mixing this up with zero knowledge proofs.
Which is to say, I believe that google is strongly implying the falsehood of "no one at Google can read your stuff."
This is the same Google that doesn't have e2ee on their password manager by default. Like WTF, it's a password manager.
Encryption or not, if it's on somebody else's server, it isn't yours. I don't believe Google has my best interest.
This kind of attitude is really disrespectful of decades of progress in cryptography. Without even considering homomorphic encryption, classic encryption is specifically designed to make intermediate nodes such as ISP dumb pipes that do not know the contents of communication. The ISP can store your communications on their server however they want. If you don’t agree with this model, I’m afraid modern cryptography doe…
I think GP is trying to say something along those lines. Not that encryption isn't trustworthy, but that even with homomorphic encryption you still give up autonomy.
Proper encryption means the ciphertext is indistinguishable from noise. So...in order to be able to process on it, you have to make it not indistinguishable from noise. So I take offense to the term FHE. It's a oxymoron. The whole thing immidiatly stands out as a sham to build trust where it's gone.