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                                            Yoshi Chao

Modulus switching operation for CKKS scheme

Hi @Pro7ech, Thanks for your reply. For the `ModUp` you mentioned in bootstrapping process, is that algorithm the same as [key-switching procedure in the CKKS scheme under CRT representation](https://link.springer.com/content/pdf/10.1007/978-3-030-10970-7_16.pdf)? Since...

key switching procedure?

I'm considering the same question now. And I would like to ask about the meaning of key-switching procedure step2-1 "zero-padding and split" in paper "[Better Bootstrapping for Approximate Homomorphic Encryption](https://link.springer.com/chapter/10.1007/978-3-030-40186-3_16)"....