Privacy-Preserving Federated Learning Framework with General Aggregation and Multiparty Entity Matching

Table 2

Definition of .

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Give function with homomorphic encryption function and when .
’s operation is as follows:
(1) On input (Input, ) from , set and send (Input, ) to adversary .
(2) On input (Compute, ) from , choose randomly, compute , and send them to CS if . If is corrupted, send () to it.
(3) On input (Aggregate, ), compute and send it to CS.

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