Nec Corporation

Miguel Ambrona

Claudio Soriente

Dario Fiore

In a system having a plurality of servers, a method is executed to perform an encryption scheme. The method includes a server of the plurality of servers receiving a request token to compute a function on a data point, the data point being encrypted as a ciphertext and the request token being based on the ciphertext and the function. The server grants the request to compute the function on the datapoint by sending a function evaluation key, and participates in a distributed decryption protocol for determining a result of computing the function on the data point by sending a master secret key.

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Pozuelo de Alarcon Madrid, Spain

Miguel Ambrona