2020

DarKnight: A Data Privacy Scheme for Training and Inference of Deep Neural Networks

Hashemi, Hanieh, Wang, Yongqin, Annavaram, Murali

Understand

Protecting the privacy of input data is of growing importance as machine learning methods reach new application domains.

  • In this paper, we provide a unified training and inference framework for large DNNs while protecting input privacy and computation integrity.
  • Our approach called DarKnight uses a novel data blinding strategy using matrix masking to create input obfuscation within a trusted execution environment (TEE).
  • Our rigorous mathematical proof demonstrates that our blinding process provides information-theoretic privacy guarantee by bounding information leakage.

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