A Lean 4 formalization proves that value-independence implies identical marginal distributions for masking verification across all positive integers q.
Arithmetic Masking in NTT Hardware First-order arithmetic masking splits a secret ๐ฅ โ โค๐ into two shares ๐ 0, ๐ 1 โ โค๐ satisfying ๐ 0 + ๐ 1 โก ๐ฅ (mod ๐)
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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.