Web: http://arxiv.org/abs/2209.06373

Sept. 15, 2022, 1:20 a.m. | Si Chen, Junfeng Fan

cs.CR updates on arXiv.org arxiv.org

Security concerns about a machine learning model used in a
prediction-as-a-service include the privacy of the model, the query and the
result. Secure inference solutions based on homomorphic encryption (HE) and/or
multiparty computation (MPC) have been developed to protect all the sensitive
information. One of the most efficient type of solution utilizes HE for linear
layers, and MPC for non-linear layers. However, for such hybrid protocols with
semi-honest security, an adversary can malleate the intermediate features in
the inference process, …

attack hybrid protocols

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