A Lean 4 formalization proves that value-independence implies identical marginal distributions for masking verification across all positive integers q.
Theorem 3.9.1 is the soundness guarantee for stage 4: any wire that SADC labels SECURE (i.e., value-independent) provably leaks no information about the secret
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From Finite Enumeration to Universal Proof: Ring-Theoretic Foundations for PQC Hardware Masking Verification
A Lean 4 formalization proves that value-independence implies identical marginal distributions for masking verification across all positive integers q.