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by dodobirdlord
1926 days ago
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Most FHE schemes introduce some randomness into the request that differs on every request so that the executor can’t make that sort of association. So if you want the value at key ‘7’ you instead send a request like (7, nonce) but encrypted in a way so that different nonces will make the encrypted bytes of the request look totally different. If the FHE program then bundles the nonce back into the response you get a brand new request/response on every query, even if you’re just querying the same key over and over. |
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