Hello, I am currently experimenting with the re-encryption in a multi party setup using CKKS scheme, the idea is to re-encrypt the ciphertext which was encrypted using the shared public key. The setup is the following: Parties 1 and 2 and their corresponding secret shares of key pairs kp1 and kp2 …

Collective key switching

Caesar February 15, 2023, 1:46pm 11

The example in this post should help you achieve what you want.

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