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arXiv cs.CR27d ago

On the Complexity of Symmetric Boolean Functions in Multiparty Private Simultaneous Messages

Paper proves superlinear PSM lower bounds for symmetric Boolean functions and near-linear support-private upper bounds.

cryptography psm

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arXiv cs.CROct 5, 2026

Explicit Nonlinear Functions beyond the Fourier bound

Cryptographers construct explicit highly nonlinear maps over finite fields that beat the classical Fourier agreement bound.

cryptography nonlinearity

1