Researchers have developed a new multi-secret-key homomorphic encryption protocol designed to enhance privacy in Federated Learning. This protocol addresses limitations in existing methods by avoiding the generation of a collective public key and instead encrypting client updates with individual secret keys. The proposed approach significantly reduces ciphertext expansion and computational costs associated with private average aggregation, offering improved performance compared to current state-of-the-art techniques. AI
IMPACT Enhances privacy in federated learning by reducing data leakage during model aggregation.
RANK_REASON The cluster contains an academic paper detailing a new cryptographic protocol for federated learning. [lever_c_demoted from research: ic=1 ai=1.0]
- Alberto Pedrouzo-Ulloa
- CKKS
- Federated Learning
- homomorphic encryption
- Multiparty Homomorphic Encryption from Ring-Learning-with-Errors
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