Flamingo: Multi-Round Single-Server Secure Aggregation with Applications to Private Federated Learning

ePrint Report: Flamingo: Multi-Round Single-Server Secure Aggregation with Applications to Private Federated Learning

Yiping Ma, Jess Woods, Sebastian Angel, Antigoni Polychroniadou, Tal Rabin

This paper introduces Flamingo, a system for secure aggregation of data across a large set of clients that fits the stringent needs of federated learning settings. In secure aggregation, a server sums up the private inputs of clients and obtains the result without learning anything about the individual inputs beyond what is implied by the final sum. …

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