Browser-based proactive secret sharing demo — Herzberg-Jarecki-Krawczyk-Yung 1995. A threshold scheme stops an attacker who takes t shares at once, not one who takes them slowly. Reshare and every old share becomes garbage while the secret stays byte-identical. Real Shamir over GF(p) with Feldman commitments. No backends. No simulated math.
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Updated
Oct 1, 2026 - TypeScript