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If you used a different key for each datum then you wouldn't be able to do this type of analyses. This analyses depends on the property of the same values prod
by brenden2 7y ago
If you used a different key for each datum then you wouldn't be able to do this type of analyses.
This analyses depends on the property of the same values producing the same ciphertext, which also mean you're leaking information.
- ummonk 7y agoNo it doesn’t. The model is trained on unencrypted data. It is then run on encrypted data sent by the client to generate an encrypted classification. The client then uses its decryption key to decrypt the encrypted classification. This process is possible because the model is built to commute with encryption.