Preprint
Sep 2026
Inevitability of Encrypted Traffic Side-Channel Leakage in the Multi-Class Setting
A summation-form MI lower bound over all active classes, a cascade critical cost theorem and a per-class budget corollary, nonzero where the uniform-budget bound vanishes, and an accuracy corollary.
Guang-Jie Liu, Guang Cheng, Wei-Wei Liu
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