Qifei Li

LISA: LIghtweight single-server Secure Aggregation with a public source of randomness

2023 · arXiv (Cornell University)

Secure Aggregation (SA) is a key component of privacy-friendly federated learning applications, where the server learns the sum of many user-supplied gradients, while individual gradients are kept private. State-of-the-art SA protocols protect individual inputs with …