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Lecture Notes in Computer Science
We present threshold DSS (Digital Signature Standard) signatures where the power to sign is shared by n players such that for a given parameter t < n / 2 any subset of 2t + 1 signers can collaborate to produce a valid DSS signature on any given message, but no subset o f t corrupted players can forge a signature (in particular, cannot learn the signature key). In addition, we present a robust threshold DSS scheme that can also tolerate n / 3 players who refuse to participate in the signaturedoi:10.1007/3-540-68339-9_31 fatcat:ykm5xcfoonc2vbpxaod7a7yhia