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by swordswinger12 3615 days ago
-Usually the SSE model accounts for a malicious server that just stores every search token it's given, so the server doesn't need to reconstruct them.

- You could store W on the server, but you would leak additional information to the server during an update - namely, the per-keyword update frequency. Section 5.5 describes an extension to reduce client-side storage at the cost of additional computation.