RSA Threshold Signatures

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In 1979, Adi Shamir (who represents the “S” in RSA) created a secret sharing algorithm that allows a secret to be split into parts, and only when a number of them are added together, we will be able to recover the secret (paper):

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Prof Bill Buchanan OBE FRSE
ASecuritySite: When Bob Met Alice

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.