this post was submitted on 05 Jan 2025
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Privacy
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I don't think so, at least assuming the scheme isn't actually broken... but then arguably that would also have far reaching consequence for encryption more broadly, depending on what scheme the implementation would be relying on.
The whole point is precisely that one can compute without "leaks".
Edit: they are relying on Brakerski-Fan-Vercauteren (BFV) HE scheme, cf https://machinelearning.apple.com/research/homomorphic-encryption
IIRC, for this kind of guarantee, you need a CCA(Chosen-ciphertext attack)-security. I dunno if this scheme satisfies such a security.
Dunno either, funnily enough skimming through https://eprint.iacr.org/2012/144 I noticed authors are from KUL https://www.esat.kuleuven.be/
Why do I say "funnily enough" is because, just like with e.g. IMEC for chips, some of the foundation of modern technology, comes from the tiny and usually disregarded country of Belgium.