Efficient, Constant-Round and Actively Secure MPC: Beyond the Three-Party Case

@inproceedings{Chandran2017EfficientCA,
  title={Efficient, Constant-Round and Actively Secure MPC: Beyond the Three-Party Case},
  author={Nishanth Chandran and Juan A. Garay and Payman Mohassel and Satyanarayana Vusirikala},
  booktitle={ACM Conference on Computer and Communications Security},
  year={2017}
}
While the feasibility of constant-round and actively secure MPC has been known for over two decades, the last few years have witnessed a flurry of designs and implementations that make its deployment a palpable reality. To our knowledge, however, existing concretely efficient MPC constructions are only for up to three parties. In this paper we design and implement a new actively secure 5PC protocol tolerating two corruptions that requires 8 rounds of interaction, only uses fast symmetric-key… CONTINUE READING

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